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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing;
using System.Drawing.Imaging;
using System.Windows.Forms.TestUtilities;
using Microsoft.DotNet.RemoteExecutor;
using Moq;
using Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class TabPageTests
{
[WinFormsFact]
public void TabPage_Ctor_Default()
{
using SubTabPage control = new();
Assert.Null(control.AccessibleDefaultActionDescription);
Assert.Null(control.AccessibleDescription);
Assert.Null(control.AccessibleName);
Assert.Equal(AccessibleRole.Default, control.AccessibleRole);
Assert.False(control.AllowDrop);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
Assert.False(control.AutoScroll);
Assert.Equal(Size.Empty, control.AutoScrollMargin);
Assert.Equal(Size.Empty, control.AutoScrollMinSize);
Assert.Equal(Point.Empty, control.AutoScrollPosition);
Assert.False(control.AutoSize);
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(BorderStyle.None, control.BorderStyle);
Assert.Equal(100, control.Bottom);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.True(control.CanEnableIme);
Assert.False(control.CanFocus);
Assert.True(control.CanRaiseEvents);
Assert.False(control.CanSelect);
Assert.False(control.Capture);
Assert.True(control.CausesValidation);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Null(control.Container);
Assert.False(control.ContainsFocus);
Assert.True(control.CausesValidation);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.IsType<TabPage.TabPageControlCollection>(control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.Default, control.Cursor);
Assert.Same(Cursors.Default, control.DefaultCursor);
Assert.Equal(ImeMode.Inherit, control.DefaultImeMode);
Assert.Equal(new Padding(3), control.DefaultMargin);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(new Size(200, 100), control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.NotNull(control.DockPadding);
Assert.Same(control.DockPadding, control.DockPadding);
Assert.Equal(0, control.DockPadding.Top);
Assert.Equal(0, control.DockPadding.Bottom);
Assert.Equal(0, control.DockPadding.Left);
Assert.Equal(0, control.DockPadding.Right);
Assert.False(control.DoubleBuffered);
Assert.True(control.Enabled);
Assert.NotNull(control.Events);
Assert.Same(control.Events, control.Events);
Assert.False(control.Focused);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(100, control.Height);
Assert.NotNull(control.HorizontalScroll);
Assert.Same(control.HorizontalScroll, control.HorizontalScroll);
Assert.False(control.HScroll);
Assert.Equal(ImeMode.NoControl, control.ImeMode);
Assert.Equal(ImeMode.NoControl, control.ImeModeBase);
Assert.False(control.IsAccessible);
Assert.False(control.IsMirrored);
Assert.NotNull(control.LayoutEngine);
Assert.Same(control.LayoutEngine, control.LayoutEngine);
Assert.Equal(0, control.Left);
Assert.Equal(Point.Empty, control.Location);
Assert.Equal(new Padding(3), control.Margin);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(Size.Empty, control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(200, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.TabIndex);
Assert.False(control.TabStop);
Assert.Empty(control.Text);
Assert.Equal(0, control.Top);
Assert.Null(control.TopLevelControl);
Assert.False(control.UseVisualStyleBackColor);
Assert.False(control.UseWaitCursor);
Assert.True(control.Visible);
Assert.NotNull(control.VerticalScroll);
Assert.Same(control.VerticalScroll, control.VerticalScroll);
Assert.False(control.VScroll);
Assert.Equal(200, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Ctor_String(string text, string expectedText)
{
using SubTabPage control = new(text);
Assert.Null(control.AccessibleDefaultActionDescription);
Assert.Null(control.AccessibleDescription);
Assert.Null(control.AccessibleName);
Assert.Equal(AccessibleRole.Default, control.AccessibleRole);
Assert.False(control.AllowDrop);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
Assert.False(control.AutoScroll);
Assert.Equal(Size.Empty, control.AutoScrollMargin);
Assert.Equal(Size.Empty, control.AutoScrollMinSize);
Assert.Equal(Point.Empty, control.AutoScrollPosition);
Assert.False(control.AutoSize);
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(BorderStyle.None, control.BorderStyle);
Assert.Equal(100, control.Bottom);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.True(control.CanEnableIme);
Assert.False(control.CanFocus);
Assert.True(control.CanRaiseEvents);
Assert.False(control.CanSelect);
Assert.False(control.Capture);
Assert.True(control.CausesValidation);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Null(control.Container);
Assert.False(control.ContainsFocus);
Assert.True(control.CausesValidation);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.IsType<TabPage.TabPageControlCollection>(control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.Default, control.Cursor);
Assert.Same(Cursors.Default, control.DefaultCursor);
Assert.Equal(ImeMode.Inherit, control.DefaultImeMode);
Assert.Equal(new Padding(3), control.DefaultMargin);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(new Size(200, 100), control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.NotNull(control.DockPadding);
Assert.Same(control.DockPadding, control.DockPadding);
Assert.Equal(0, control.DockPadding.Top);
Assert.Equal(0, control.DockPadding.Bottom);
Assert.Equal(0, control.DockPadding.Left);
Assert.Equal(0, control.DockPadding.Right);
Assert.False(control.DoubleBuffered);
Assert.True(control.Enabled);
Assert.NotNull(control.Events);
Assert.Same(control.Events, control.Events);
Assert.False(control.Focused);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(100, control.Height);
Assert.NotNull(control.HorizontalScroll);
Assert.Same(control.HorizontalScroll, control.HorizontalScroll);
Assert.False(control.HScroll);
Assert.Equal(ImeMode.NoControl, control.ImeMode);
Assert.Equal(ImeMode.NoControl, control.ImeModeBase);
Assert.False(control.IsAccessible);
Assert.False(control.IsMirrored);
Assert.NotNull(control.LayoutEngine);
Assert.Same(control.LayoutEngine, control.LayoutEngine);
Assert.Equal(0, control.Left);
Assert.Equal(Point.Empty, control.Location);
Assert.Equal(new Padding(3), control.Margin);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(Size.Empty, control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(200, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.TabIndex);
Assert.False(control.TabStop);
Assert.Equal(expectedText, control.Text);
Assert.Equal(0, control.Top);
Assert.Null(control.TopLevelControl);
Assert.False(control.UseVisualStyleBackColor);
Assert.False(control.UseWaitCursor);
Assert.True(control.Visible);
Assert.NotNull(control.VerticalScroll);
Assert.Same(control.VerticalScroll, control.VerticalScroll);
Assert.False(control.VScroll);
Assert.Equal(200, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TabPage_CreateParams_GetDefault_ReturnsExpected()
{
using SubTabPage control = new();
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Null(createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0x10000, createParams.ExStyle);
Assert.Equal(100, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(0x56000000, createParams.Style);
Assert.Equal(200, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.Anchor_Set_TestData), MemberType = typeof(ControlTests))]
public void TabPage_Anchor_Set_GetReturnsExpected(AnchorStyles value, AnchorStyles expected)
{
using TabPage control = new()
{
Anchor = value
};
Assert.Equal(expected, control.Anchor);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.IsHandleCreated);
// Set same.
control.Anchor = value;
Assert.Equal(expected, control.Anchor);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.Anchor_Set_TestData), MemberType = typeof(ControlTests))]
public void TabPage_Anchor_SetWithOldValue_GetReturnsExpected(AnchorStyles value, AnchorStyles expected)
{
using TabPage control = new()
{
Anchor = AnchorStyles.Left
};
control.Anchor = value;
Assert.Equal(expected, control.Anchor);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.IsHandleCreated);
// Set same.
control.Anchor = value;
Assert.Equal(expected, control.Anchor);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.Anchor_SetWithDock_TestData), MemberType = typeof(ControlTests))]
public void TabPage_Anchor_SetWithDock_GetReturnsExpected(DockStyle dock, AnchorStyles value, AnchorStyles expectedAnchor, DockStyle expectedDock)
{
using TabPage control = new()
{
Dock = dock
};
control.Anchor = value;
Assert.Equal(expectedAnchor, control.Anchor);
Assert.Equal(expectedDock, control.Dock);
Assert.False(control.IsHandleCreated);
// Set same.
control.Anchor = value;
Assert.Equal(expectedAnchor, control.Anchor);
Assert.Equal(expectedDock, control.Dock);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void TabPage_AutoSize_Set_GetReturnsExpected(bool value)
{
using TabPage control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set different.
control.AutoSize = !value;
Assert.Equal(!value, control.AutoSize);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TabPage_AutoSize_SetWithHandler_CallsAutoSizeChanged()
{
using TabPage control = new()
{
AutoSize = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.AutoSizeChanged += handler;
// Set different.
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(1, callCount);
// Set same.
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(1, callCount);
// Set different.
control.AutoSize = true;
Assert.True(control.AutoSize);
Assert.Equal(2, callCount);
// Remove handler.
control.AutoSizeChanged -= handler;
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void TabPage_AutoSizeMode_Set_GetReturnsExpected(AutoSizeMode value)
{
using SubTabPage control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void TabPage_AutoSizeMode_SetWithParent_GetReturnsExpected(AutoSizeMode value)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentLayoutCallCount = 0;
parent.Layout += (sender, e) => parentLayoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(0, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(0, parentLayoutCallCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void TabPage_AutoSizeMode_SetWithHandle_GetReturnsExpected(AutoSizeMode value)
{
using SubTabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void TabPage_AutoSizeMode_SetWithHandleWithParent_GetReturnsExpected(AutoSizeMode value)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
int parentLayoutCallCount = 0;
parent.Layout += (sender, e) => parentLayoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.Equal(0, layoutCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
Assert.Equal(0, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.Equal(0, layoutCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
Assert.Equal(0, parentLayoutCallCount);
}
[WinFormsTheory]
[BoolData]
public static void TabPage_BackColor_Get_ReturnsExpected(bool useVisualStyleBackColor)
{
using TabPage control = new()
{
UseVisualStyleBackColor = useVisualStyleBackColor
};
Assert.Equal(Control.DefaultBackColor, control.BackColor);
}
[WinFormsTheory(Skip = "Crash with AbandonedMutexException. See: https://github.com/dotnet/arcade/issues/5325")]
[BoolData]
public static void TabPage_BackColor_GetVisualStyles_ReturnsExpected(bool useVisualStyleBackColorParam)
{
// Run this from another thread as we call Application.EnableVisualStyles.
RemoteExecutor.Invoke((useVisualStyleBackColorString) =>
{
bool useVisualStyleBackColor = bool.Parse(useVisualStyleBackColorString);
Application.EnableVisualStyles();
using TabPage control = new()
{
UseVisualStyleBackColor = useVisualStyleBackColor
};
Assert.Equal(Control.DefaultBackColor, control.BackColor);
}, useVisualStyleBackColorParam.ToString()).Dispose();
}
[WinFormsTheory]
[InlineData(true, TabAppearance.Buttons)]
[InlineData(true, TabAppearance.FlatButtons)]
// Has different behavior with VisualStyles on, see: TabPage_BackColor_TabAppearance_Normal_GetWithParent_ReturnsExpected
// [InlineData(true, TabAppearance.Normal)]
[InlineData(false, TabAppearance.Buttons)]
[InlineData(false, TabAppearance.FlatButtons)]
[InlineData(false, TabAppearance.Normal)]
public static void TabPage_BackColor_GetWithParent_ReturnsExpected(bool useVisualStyleBackColor, TabAppearance parentAppearance)
{
if (Application.UseVisualStyles)
{
return;
}
using TabControl parent = new()
{
Appearance = parentAppearance
};
using TabPage control = new()
{
UseVisualStyleBackColor = useVisualStyleBackColor,
Parent = parent
};
Assert.Equal(Control.DefaultBackColor, control.BackColor);
}
[WinFormsFact]
public static void TabPage_BackColor_TabAppearance_Normal_GetWithParent_ReturnsExpected()
{
using TabControl parent = new()
{
Appearance = TabAppearance.Normal
};
using TabPage control = new()
{
UseVisualStyleBackColor = true,
Parent = parent
};
if (Application.UseVisualStyles)
{
Assert.Equal(Color.Transparent, control.BackColor);
}
else
{
Assert.Equal(Control.DefaultBackColor, control.BackColor);
}
}
public static IEnumerable<object[]> BackColor_GetVisualStylesWithParent_TestData()
{
yield return new object[] { true, TabAppearance.Buttons, Control.DefaultBackColor };
yield return new object[] { true, TabAppearance.FlatButtons, Control.DefaultBackColor };
yield return new object[] { true, TabAppearance.Normal, Color.Transparent };
yield return new object[] { false, TabAppearance.Buttons, Control.DefaultBackColor };
yield return new object[] { false, TabAppearance.FlatButtons, Control.DefaultBackColor };
yield return new object[] { false, TabAppearance.Normal, Control.DefaultBackColor };
}
[WinFormsTheory(Skip = "Crash with AbandonedMutexException. See: https://github.com/dotnet/arcade/issues/5325")]
[MemberData(nameof(BackColor_GetVisualStylesWithParent_TestData))]
public static void TabPage_BackColor_GetVisualStylesWithParent_ReturnsExpected(bool useVisualStyleBackColorParam, TabAppearance parentAppearanceParam, Color expectedParam)
{
// Run this from another thread as we call Application.EnableVisualStyles.
RemoteExecutor.Invoke((useVisualStyleBackColorString, parentAppearanceString, expectedString) =>
{
bool useVisualStyleBackColor = bool.Parse(useVisualStyleBackColorString);
TabAppearance parentAppearance = (TabAppearance)Enum.Parse(typeof(TabAppearance), parentAppearanceString);
Color expected = Color.FromArgb(int.Parse(expectedString));
Application.EnableVisualStyles();
using TabControl parent = new()
{
Appearance = parentAppearance
};
using TabPage control = new()
{
UseVisualStyleBackColor = useVisualStyleBackColor,
Parent = parent
};
Assert.Equal(expected.ToArgb(), control.BackColor.ToArgb());
}, useVisualStyleBackColorParam.ToString(), parentAppearanceParam.ToString(), expectedParam.ToArgb().ToString()).Dispose();
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void TabPage_BackColor_Set_GetReturnsExpected(Color value, Color expected)
{
using TabPage control = new()
{
BackColor = value
};
Assert.Equal(expected, control.BackColor);
Assert.False(control.UseVisualStyleBackColor);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.False(control.UseVisualStyleBackColor);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void TabPage_BackColor_SetWithUseVisualStyleBackColor_GetReturnsExpected(Color value, Color expected)
{
using TabPage control = new()
{
UseVisualStyleBackColor = true,
BackColor = value
};
Assert.Equal(expected, control.BackColor);
Assert.False(control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.False(control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void TabPage_BackColor_SetDesignMode_GetReturnsExpected(Color value, Color expected)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IDictionaryService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IExtenderListService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(ITypeDescriptorFilterService)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabPage control = new()
{
Site = mockSite.Object,
BackColor = value
};
Assert.Equal(expected, control.BackColor);
Assert.False(control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.False(control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void TabPage_BackColor_SetDesignModeWithUseVisualStyleBackColor_GetReturnsExpected(Color value, Color expected)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IDictionaryService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IExtenderListService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(ITypeDescriptorFilterService)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabPage control = new()
{
Site = mockSite.Object,
UseVisualStyleBackColor = true,
BackColor = value
};
Assert.Equal(expected, control.BackColor);
Assert.Equal(value.IsEmpty, control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.Equal(value.IsEmpty, control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void TabPage_BackColor_SetDesignModeWithInvalidDescriptor_GetReturnsExpected(Color value, Color expected)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IDictionaryService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IExtenderListService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(IComponentChangeService)))
.Returns(null);
mockSite
.Setup(s => s.GetService(typeof(ITypeDescriptorFilterService)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabPage control = new()
{
Site = mockSite.Object,
UseVisualStyleBackColor = true,
};
Mock<ICustomTypeDescriptor> mockCustomTypeDescriptor = new(MockBehavior.Strict);
mockCustomTypeDescriptor
.Setup(d => d.GetProperties())
.Returns(PropertyDescriptorCollection.Empty);
Mock<TypeDescriptionProvider> mockProvider = new(MockBehavior.Strict);
mockProvider
.Setup(p => p.GetCache(control))
.CallBase();
mockProvider
.Setup(p => p.GetExtendedTypeDescriptor(control))
.CallBase();
mockProvider
.Setup(p => p.GetTypeDescriptor(typeof(TabPage), control))
.Returns(mockCustomTypeDescriptor.Object);
TypeDescriptor.AddProvider(mockProvider.Object, control);
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.True(control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.True(control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> BackColor_SetWithHandle_TestData()
{
yield return new object[] { Color.Red, Color.Red, 1 };
yield return new object[] { Color.Empty, Control.DefaultBackColor, 0 };
}
[WinFormsTheory]
[MemberData(nameof(BackColor_SetWithHandle_TestData))]
public void TabPage_BackColor_SetWithHandle_GetReturnsExpected(Color value, Color expected, int expectedInvalidatedCallCount)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TabPage_BackColor_SetWithHandler_CallsBackColorChanged()
{
using TabPage control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.BackColorChanged += handler;
// Set different.
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(1, callCount);
// Set same.
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(1, callCount);
// Set different.
control.BackColor = Color.Empty;
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Equal(2, callCount);
// Remove handler.
control.BackColorChanged -= handler;
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[EnumData<DockStyle>]
public void TabPage_Dock_Set_GetReturnsExpected(DockStyle value)
{
using TabPage control = new()
{
Dock = value
};
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
}
[WinFormsTheory]
[EnumData<DockStyle>]
public void TabPage_Dock_SetWithOldValue_GetReturnsExpected(DockStyle value)
{
using TabPage control = new()
{
Dock = DockStyle.Top
};
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.Dock_SetWithAnchor_TestData), MemberType = typeof(ControlTests))]
public void TabPage_Dock_SetWithAnchor_GetReturnsExpected(AnchorStyles anchor, DockStyle value, AnchorStyles expectedAnchor)
{
using TabPage control = new()
{
Anchor = anchor
};
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(expectedAnchor, control.Anchor);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(expectedAnchor, control.Anchor);
}
[WinFormsFact]
public void TabPage_Dock_SetWithHandler_CallsDockChanged()
{
using TabPage control = new()
{
Dock = DockStyle.None
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.DockChanged += handler;
// Set different.
control.Dock = DockStyle.Top;
Assert.Equal(DockStyle.Top, control.Dock);
Assert.Equal(1, callCount);
// Set same.
control.Dock = DockStyle.Top;
Assert.Equal(DockStyle.Top, control.Dock);
Assert.Equal(1, callCount);
// Set different.
control.Dock = DockStyle.Left;
Assert.Equal(DockStyle.Left, control.Dock);
Assert.Equal(2, callCount);
// Remove handler.
control.DockChanged -= handler;
control.Dock = DockStyle.Top;
Assert.Equal(DockStyle.Top, control.Dock);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InvalidEnumData<DockStyle>]
public void TabPage_Dock_SetInvalid_ThrowsInvalidEnumArgumentException(DockStyle value)
{
using TabPage control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.Dock = value);
}
[WinFormsTheory]
[BoolData]
public void TabPage_Enabled_Set_GetReturnsExpected(bool value)
{
using TabPage control = new()
{
Enabled = value
};
Assert.Equal(value, control.Enabled);
Assert.False(control.IsHandleCreated);
// Set same.
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.False(control.IsHandleCreated);
// Set different.
control.Enabled = !value;
Assert.Equal(!value, control.Enabled);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(true, false, 1, 2)]
[InlineData(true, true, 0, 1)]
[InlineData(false, false, 0, 0)]
[InlineData(false, true, 0, 0)]
public void TabPage_Enabled_SetWithHandle_GetReturnsExpected(bool userPaint, bool value, int expectedInvalidateCallCount1, int expectedInvalidateCallCount2)
{
using SubTabPage control = new();
control.SetStyle(ControlStyles.UserPaint, userPaint);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
Assert.Equal(userPaint, control.GetStyle(ControlStyles.UserPaint));
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Enabled = value;
Assert.Equal(value, control.Enabled);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.Enabled = !value;
Assert.Equal(!value, control.Enabled);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TabPage_Enabled_SetWithHandler_CallsEnabledChanged()
{
using TabPage control = new()
{
Enabled = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.EnabledChanged += handler;
// Set different.
control.Enabled = false;
Assert.False(control.Enabled);
Assert.Equal(1, callCount);
// Set same.
control.Enabled = false;
Assert.False(control.Enabled);
Assert.Equal(1, callCount);
// Set different.
control.Enabled = true;
Assert.True(control.Enabled);
Assert.Equal(2, callCount);
// Remove handler.
control.EnabledChanged -= handler;
control.Enabled = false;
Assert.False(control.Enabled);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_Set_GetReturnsExpected(int value)
{
using TabPage control = new()
{
ImageIndex = value
};
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_SetWithParent_GetReturnsExpected(int value)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent,
ImageIndex = value
};
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_SetWithDesignModeParent_GetReturnsExpected(int value)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent,
ImageIndex = value
};
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_SetWithImageKey_GetReturnsExpected(int value)
{
using TabPage control = new()
{
ImageKey = "imageKey",
ImageIndex = value
};
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_SetWithHandle_GetReturnsExpected(int value)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_SetWithParentWithHandle_GetReturnsExpected(int value)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public void TabPage_ImageIndex_SetWithDesignModeParentWithHandle_GetReturnsExpected(int value)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.ImageIndex = value;
Assert.Equal(value, control.ImageIndex);
Assert.Empty(control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public unsafe void TabPageCollection_ImageIndex_SetGetItemsWithHandle_Success(int imageIndex)
{
using TabControl owner = new();
using TabPage page1 = new();
using TabPage page2 = new()
{
Text = "Text",
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.ImageIndex = imageIndex;
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal("Text", new string(item.pszText));
Assert.Equal(imageIndex, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
public unsafe void TabPageCollection_ImageIndex_SetGetItemsWithHandleDesignMode_Success(int imageIndex)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl owner = new()
{
Site = mockSite.Object
};
using TabPage page1 = new();
using TabPage page2 = new()
{
Text = "Text",
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.ImageIndex = imageIndex;
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal("Text", new string(item.pszText));
Assert.Equal(imageIndex, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsFact]
public void TabPage_ImageIndex_SetInvalidValue_ThrowsArgumentOutOfRangeException()
{
using TabPage control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.ImageIndex = -2);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_Set_GetReturnsExpected(string value)
{
using TabPage control = new()
{
ImageKey = value
};
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_SetWithParent_GetReturnsExpected(string value)
{
using TabControl parent = new();
using TabPage control = new()
{
ImageKey = value
};
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_SetWithDesignModeParent_GetReturnsExpected(string value)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
ImageKey = value
};
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_SetWithImageIndex_GetReturnsExpected(string value)
{
using TabPage control = new()
{
ImageIndex = 1,
ImageKey = value
};
Assert.Equal(-1, control.ImageIndex);
Assert.True(control.Visible);
Assert.Equal(value, control.ImageKey);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.True(control.Visible);
Assert.Equal(value, control.ImageKey);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_SetWithHandle_GetReturnsExpected(string value)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_SetWithHandleWithParent_GetReturnsExpected(string value)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsTheory]
[StringData]
public void TabPage_ImageKey_SetWithDesignModeParentWithHandle_GetReturnsExpected(string value)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.ImageKey = value;
Assert.Equal(-1, control.ImageIndex);
Assert.Equal(value, control.ImageKey);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsFact]
public unsafe void TabPageCollection_ImageKey_SetGetItemsWithHandle_Success()
{
using TabControl owner = new();
using TabPage page1 = new();
using TabPage page2 = new()
{
Text = "Text",
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.ImageKey = "ImageKey";
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal("Text", new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsFact]
public unsafe void TabPageCollection_ImageKey_SetGetItemsWithHandleDesignMode_Success()
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl owner = new()
{
Site = mockSite.Object
};
using TabPage page1 = new();
using TabPage page2 = new()
{
Text = "Text",
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.ImageKey = "ImageKey";
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal("Text", new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
public static IEnumerable<object[]> Location_Set_TestData()
{
yield return new object[] { new Point(0, 0), 0 };
yield return new object[] { new Point(-1, -2), 1 };
yield return new object[] { new Point(1, 0), 1 };
yield return new object[] { new Point(0, 2), 1 };
yield return new object[] { new Point(1, 2), 1 };
}
[WinFormsTheory]
[MemberData(nameof(Location_Set_TestData))]
public void TabPage_Location_Set_GetReturnsExpected(Point value, int expectedLocationChangedCallCount)
{
using TabPage control = new();
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(Location_Set_TestData))]
public void TabPage_Location_SetWithParent_GetReturnsExpected(Point value, int expectedLocationChangedCallCount)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
int layoutCallCount = 0;
int moveCallCount = 0;
int locationChangedCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.Equal(expectedLocationChangedCallCount, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.Equal(expectedLocationChangedCallCount, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
}
finally
{
parent.Layout -= parentHandler;
}
}
public static IEnumerable<object[]> Location_SetWithHandle_TestData()
{
foreach (bool resizeRedraw in new bool[] { true, false })
{
yield return new object[] { resizeRedraw, new Point(0, 0), 0 };
yield return new object[] { resizeRedraw, new Point(-1, -2), 1 };
yield return new object[] { resizeRedraw, new Point(1, 0), 1 };
yield return new object[] { resizeRedraw, new Point(0, 2), 1 };
yield return new object[] { resizeRedraw, new Point(1, 2), 1 };
}
}
[WinFormsTheory]
[MemberData(nameof(Location_SetWithHandle_TestData))]
public void TabPage_Location_SetWithHandle_GetReturnsExpected(bool resizeRedraw, Point value, int expectedLocationChangedCallCount)
{
using SubTabPage control = new();
control.SetStyle(ControlStyles.ResizeRedraw, resizeRedraw);
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Call again.
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> Location_SetWithParentWithHandle_TestData()
{
foreach (bool resizeRedraw in new bool[] { true, false })
{
yield return new object[] { resizeRedraw, new Point(0, 0) };
yield return new object[] { resizeRedraw, new Point(-1, -2) };
yield return new object[] { resizeRedraw, new Point(1, 0) };
yield return new object[] { resizeRedraw, new Point(0, 2) };
yield return new object[] { resizeRedraw, new Point(1, 2) };
}
}
[WinFormsTheory]
[MemberData(nameof(Location_SetWithParentWithHandle_TestData))]
public void TabPage_Location_SetWithParentWithHandle_GetReturnsExpected(bool resizeRedraw, Point value)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
control.SetStyle(ControlStyles.ResizeRedraw, resizeRedraw);
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
Rectangle expected = parent.DisplayRectangle;
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.Location = value;
Assert.Equal(expected.Size, control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.DisplayRectangle);
Assert.Equal(expected.Size, control.Size);
Assert.Equal(expected.X, control.Left);
Assert.Equal(expected.X + expected.Width, control.Right);
Assert.Equal(expected.Location, control.Location);
Assert.Equal(expected.Y, control.Top);
Assert.Equal(expected.Y + expected.Height, control.Bottom);
Assert.Equal(expected.Width, control.Width);
Assert.Equal(expected.Height, control.Height);
Assert.Equal(expected, control.Bounds);
Assert.Equal(0, moveCallCount);
Assert.Equal(0, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(1, parentLayoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Call again.
control.Location = value;
Assert.Equal(expected.Size, control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.DisplayRectangle);
Assert.Equal(expected.Size, control.Size);
Assert.Equal(expected.X, control.Left);
Assert.Equal(expected.X + expected.Width, control.Right);
Assert.Equal(expected.Location, control.Location);
Assert.Equal(expected.Y, control.Top);
Assert.Equal(expected.Y + expected.Height, control.Bottom);
Assert.Equal(expected.Width, control.Width);
Assert.Equal(expected.Height, control.Height);
Assert.Equal(expected, control.Bounds);
Assert.Equal(0, moveCallCount);
Assert.Equal(0, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(2, parentLayoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsTheory]
[InlineData(true, 1)]
[InlineData(false, 0)]
public void TabPage_Location_SetWithHandleWithTransparentBackColor_DoesNotCallInvalidate(bool supportsTransparentBackgroundColor, int expectedInvalidatedCallCount)
{
using SubTabPage control = new();
control.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
control.BackColor = Color.FromArgb(254, 255, 255, 255);
control.SetStyle(ControlStyles.SupportsTransparentBackColor, supportsTransparentBackgroundColor);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
// Set different.
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
// Set same.
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
// Set different.
control.Location = new Point(2, 3);
Assert.Equal(new Point(2, 3), control.Location);
Assert.Equal(expectedInvalidatedCallCount * 2, invalidatedCallCount);
}
[WinFormsFact]
public void TabPage_Location_SetWithHandler_CallsLocationChanged()
{
using TabPage control = new();
int locationChangedCallCount = 0;
EventHandler locationChangedHandler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
locationChangedCallCount++;
};
control.LocationChanged += locationChangedHandler;
int moveCallCount = 0;
EventHandler moveHandler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
moveCallCount++;
};
control.Move += moveHandler;
// Set different.
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(1, locationChangedCallCount);
Assert.Equal(1, moveCallCount);
// Set same.
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(1, locationChangedCallCount);
Assert.Equal(1, moveCallCount);
// Set different x.
control.Location = new Point(2, 2);
Assert.Equal(new Point(2, 2), control.Location);
Assert.Equal(2, locationChangedCallCount);
Assert.Equal(2, moveCallCount);
// Set different y.
control.Location = new Point(2, 3);
Assert.Equal(new Point(2, 3), control.Location);
Assert.Equal(3, locationChangedCallCount);
Assert.Equal(3, moveCallCount);
// Remove handler.
control.LocationChanged -= locationChangedHandler;
control.Move -= moveHandler;
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(3, locationChangedCallCount);
Assert.Equal(3, moveCallCount);
}
[WinFormsFact]
public void TabPage_Location_ResetValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(TabPage))[nameof(TabPage.Location)];
using TabPage control = new();
Assert.False(property.CanResetValue(control));
control.Location = new Point(1, 0);
Assert.Equal(new Point(1, 0), control.Location);
Assert.False(property.CanResetValue(control));
control.Location = new Point(0, 1);
Assert.Equal(new Point(0, 1), control.Location);
Assert.False(property.CanResetValue(control));
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.False(property.CanResetValue(control));
property.ResetValue(control);
Assert.Equal(new Point(1, 2), control.Location);
Assert.False(property.CanResetValue(control));
control.Location = Point.Empty;
Assert.Equal(Point.Empty, control.Location);
Assert.False(property.CanResetValue(control));
}
[WinFormsFact]
public void TabPage_Location_ShouldSerializeValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(TabPage))[nameof(TabPage.Location)];
using TabPage control = new();
Assert.False(property.ShouldSerializeValue(control));
control.Location = new Point(1, 0);
Assert.Equal(new Point(1, 0), control.Location);
Assert.True(property.ShouldSerializeValue(control));
control.Location = new Point(0, 1);
Assert.Equal(new Point(0, 1), control.Location);
Assert.True(property.ShouldSerializeValue(control));
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.True(property.ShouldSerializeValue(control));
property.ResetValue(control);
Assert.Equal(new Point(1, 2), control.Location);
Assert.True(property.ShouldSerializeValue(control));
control.Location = Point.Empty;
Assert.Equal(Point.Empty, control.Location);
Assert.False(property.ShouldSerializeValue(control));
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.MaximumSize_Set_TestData), MemberType = typeof(ControlTests))]
public void TabPage_MaximumSize_Set_GetReturnsExpected(Size value)
{
using TabPage control = new()
{
Size = Size.Empty
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.MaximumSize = value;
Assert.Equal(value, control.MaximumSize);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.MaximumSize = value;
Assert.Equal(value, control.MaximumSize);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.MinimumSize_Set_TestData), MemberType = typeof(ControlTests))]
public void TabPage_MinimumSize_Set_GetReturnsExpected(Size value, Size expectedSize, int expectedLayoutCallCount)
{
using TabPage control = new()
{
Size = Size.Empty
};
int layoutCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
layoutCallCount++;
};
control.MinimumSize = value;
Assert.Equal(value, control.MinimumSize);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.MinimumSize = value;
Assert.Equal(value, control.MinimumSize);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Parent_Set_TestData()
{
yield return new object[] { null };
yield return new object[] { new TabControl() };
}
[WinFormsTheory]
[MemberData(nameof(Parent_Set_TestData))]
public void TabPage_Parent_Set_GetReturnsExpected(Control value)
{
using TabPage control = new()
{
Parent = value
};
Assert.Same(value, control.Parent);
Assert.False(control.IsHandleCreated);
// Set same.
control.Parent = value;
Assert.Same(value, control.Parent);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(Parent_Set_TestData))]
public void TabPage_Parent_SetWithNonNullOldParent_GetReturnsExpected(Control value)
{
using TabControl oldParent = new();
using TabPage control = new()
{
Parent = oldParent
};
control.Parent = value;
Assert.Same(value, control.Parent);
Assert.Empty(oldParent.Controls);
Assert.False(control.IsHandleCreated);
// Set same.
control.Parent = value;
Assert.Same(value, control.Parent);
Assert.Empty(oldParent.Controls);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TabPage_Parent_SetNonNull_AddsToControls()
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent
};
Assert.Same(parent, control.Parent);
Assert.Same(control, Assert.Single(parent.Controls));
Assert.False(control.IsHandleCreated);
// Set same.
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Same(control, Assert.Single(parent.Controls));
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(Parent_Set_TestData))]
public void TabPage_Parent_SetWithHandle_GetReturnsExpected(Control value)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Parent = value;
Assert.Same(value, control.Parent);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Parent = value;
Assert.Same(value, control.Parent);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TabPage_Parent_SetWithHandler_CallsParentChanged()
{
using TabControl parent = new();
using TabPage control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ParentChanged += handler;
// Set different.
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Equal(1, callCount);
// Set same.
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Equal(1, callCount);
// Set null.
control.Parent = null;
Assert.Null(control.Parent);
Assert.Equal(2, callCount);
// Remove handler.
control.ParentChanged -= handler;
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void TabPage_Parent_SetSame_ThrowsArgumentException()
{
using TabPage control = new();
Assert.Throws<ArgumentException>(() => control.Parent = control);
Assert.Null(control.Parent);
}
[WinFormsFact]
public void TabPage_Parent_SetNonTabControl_ThrowsArgumentException()
{
using Control parent = new();
using TabPage control = new();
Assert.Throws<ArgumentException>(() => control.Parent = parent);
Assert.Null(control.Parent);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(2)]
public void TabPage_TabIndex_Set_GetReturnsExpected(int value)
{
using TabPage control = new()
{
TabIndex = value
};
Assert.Equal(value, control.TabIndex);
Assert.False(control.IsHandleCreated);
// Set same.
control.TabIndex = value;
Assert.Equal(value, control.TabIndex);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TabPage_TabIndex_SetWithHandler_CallsTabIndexChanged()
{
using TabPage control = new()
{
TabIndex = 0
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.TabIndexChanged += handler;
// Set different.
control.TabIndex = 1;
Assert.Equal(1, control.TabIndex);
Assert.Equal(1, callCount);
// Set same.
control.TabIndex = 1;
Assert.Equal(1, control.TabIndex);
Assert.Equal(1, callCount);
// Set different.
control.TabIndex = 2;
Assert.Equal(2, control.TabIndex);
Assert.Equal(2, callCount);
// Remove handler.
control.TabIndexChanged -= handler;
control.TabIndex = 1;
Assert.Equal(1, control.TabIndex);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void TabPage_TabIndex_SetNegative_CallsArgumentOutOfRangeException()
{
using TabPage control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.TabIndex = -1);
}
[WinFormsTheory]
[BoolData]
public void TabPage_TabStop_Set_GetReturnsExpected(bool value)
{
using TabPage control = new()
{
TabStop = value
};
Assert.Equal(value, control.TabStop);
Assert.False(control.IsHandleCreated);
// Set same.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.False(control.IsHandleCreated);
// Set different.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void TabPage_TabStop_SetWithHandle_GetReturnsExpected(bool value)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.TabStop = value;
Assert.Equal(value, control.TabStop);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TabPage_TabStop_SetWithHandler_CallsTabStopChanged()
{
using TabPage control = new()
{
TabStop = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.TabStopChanged += handler;
// Set different.
control.TabStop = false;
Assert.False(control.TabStop);
Assert.Equal(1, callCount);
// Set same.
control.TabStop = false;
Assert.False(control.TabStop);
Assert.Equal(1, callCount);
// Set different.
control.TabStop = true;
Assert.True(control.TabStop);
Assert.Equal(2, callCount);
// Remove handler.
control.TabStopChanged -= handler;
control.TabStop = false;
Assert.False(control.TabStop);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Text_Set_GetReturnsExpected(string value, string expected)
{
using TabPage control = new()
{
Text = value
};
Assert.Equal(expected, control.Text);
Assert.False(control.IsHandleCreated);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Text_SetWithParent_GetReturnsExpected(string value, string expected)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent,
Text = value
};
Assert.Equal(expected, control.Text);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Text_SetWithDesignModeParent_GetReturnsExpected(string value, string expected)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent,
Text = value
};
Assert.Equal(expected, control.Text);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Text_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Text_SetWithParentWithHandle_GetReturnsExpected(string value, string expected)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_Text_SetWithDesignModeParentWithHandle_GetReturnsExpected(string value, string expected)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsTheory]
[InlineData("Text", "Text")]
[InlineData("&&Text", "&&Text")]
[InlineData("&", "&&")]
[InlineData("&Text", "&&Text")]
public unsafe void TabPageCollection_Text_SetGetItemsWithHandle_Success(string text, string expectedText)
{
using TabControl owner = new();
using TabPage page1 = new();
using TabPage page2 = new()
{
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.Text = text;
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal(expectedText, new string(item.pszText));
Assert.Equal(1, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsTheory]
[InlineData("Text", "Text")]
[InlineData("&&Text", "&&Text")]
[InlineData("&", "&&")]
[InlineData("&Text", "&&Text")]
public unsafe void TabPageCollection_Text_SetGetItemsWithHandleDesignMode_Success(string text, string expectedText)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl owner = new()
{
Site = mockSite.Object
};
using TabPage page1 = new();
using TabPage page2 = new()
{
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.Text = text;
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal(expectedText, new string(item.pszText));
Assert.Equal(1, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsFact]
public void TabPage_Text_SetWithHandler_CallsTextChanged()
{
using TabPage control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Equal(EventArgs.Empty, e);
callCount++;
};
control.TextChanged += handler;
// Set different.
control.Text = "text";
Assert.Equal("text", control.Text);
Assert.Equal(1, callCount);
// Set same.
control.Text = "text";
Assert.Equal("text", control.Text);
Assert.Equal(1, callCount);
// Set different.
control.Text = null;
Assert.Empty(control.Text);
Assert.Equal(2, callCount);
// Remove handler.
control.TextChanged -= handler;
control.Text = "text";
Assert.Equal("text", control.Text);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_ToolTipText_Set_GetReturnsExpected(string value, string expected)
{
using TabPage control = new()
{
ToolTipText = value
};
Assert.Equal(expected, control.ToolTipText);
Assert.False(control.IsHandleCreated);
// Set same.
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_ToolTipText_SetWithParent_GetReturnsExpected(string value, string expected)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent,
ToolTipText = value
};
Assert.Equal(expected, control.ToolTipText);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_ToolTipText_SetWithDesignModeParent_GetReturnsExpected(string value, string expected)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent,
ToolTipText = value
};
Assert.Equal(expected, control.ToolTipText);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.False(control.Visible);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void TabPage_ToolTipText_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(null, "", 0)]
[InlineData("", "", 0)]
[InlineData("text", "text", 1)]
public void TabPage_ToolTipText_SetWithParentWithHandle_GetReturnsExpected(string value, string expected, int expectedInvalidateCallCount)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsTheory]
[InlineData(null, "", 0)]
[InlineData("", "", 0)]
[InlineData("text", "text", 1)]
public void TabPage_ToolTipText_SetWithDesignModeParentWithHandle_GetReturnsExpected(string value, string expected, int expectedInvalidateCallCount)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl parent = new()
{
Site = mockSite.Object
};
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.ToolTipText = value;
Assert.Equal(expected, control.ToolTipText);
Assert.True(control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidateCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsFact]
public unsafe void TabPageCollection_ToolTipText_SetGetItemsWithHandle_Success()
{
using TabControl owner = new();
using TabPage page1 = new();
using TabPage page2 = new()
{
Text = "Text",
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.ToolTipText = "ToolTipText";
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal("Text", new string(item.pszText));
Assert.Equal(1, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsFact]
public unsafe void TabPageCollection_ToolTipText_SetGetItemsWithHandleDesignMode_Success()
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
using TabControl owner = new()
{
Site = mockSite.Object
};
using TabPage page1 = new();
using TabPage page2 = new()
{
Text = "Text",
ImageIndex = 1
};
using NullTextTabPage page3 = new();
owner.TabPages.Add(page1);
owner.TabPages.Add(page2);
owner.TabPages.Add(page3);
Assert.NotEqual(IntPtr.Zero, owner.Handle);
page2.ToolTipText = "ToolTipText";
Assert.Equal(3, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMCOUNT));
char* buffer = stackalloc char[256];
TCITEMW item = default;
item.cchTextMax = int.MaxValue;
item.pszText = buffer;
item.dwStateMask = (TAB_CONTROL_ITEM_STATE)uint.MaxValue;
item.mask = (TCITEMHEADERA_MASK)uint.MaxValue;
// Get item 0.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 0, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
// Get item 1.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 1, ref item));
Assert.Equal(TAB_CONTROL_ITEM_STATE.TCIS_BUTTONPRESSED, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Equal("Text", new string(item.pszText));
Assert.Equal(1, item.iImage);
// Get item 2.
Assert.Equal(1, (int)PInvokeCore.SendMessage(owner, PInvoke.TCM_GETITEMW, 2, ref item));
Assert.Equal((TAB_CONTROL_ITEM_STATE)0, item.dwState);
Assert.Equal(IntPtr.Zero, (nint)item.lParam);
Assert.Equal(int.MaxValue, item.cchTextMax);
Assert.Empty(new string(item.pszText));
Assert.Equal(-1, item.iImage);
}
[WinFormsTheory]
[BoolData]
public void TabPage_UseVisualStyleBackColor_Set_GetReturnsExpected(bool value)
{
using TabPage control = new()
{
UseVisualStyleBackColor = value
};
Assert.Equal(value, control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.UseVisualStyleBackColor = value;
Assert.Equal(value, control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
// Set different.
control.UseVisualStyleBackColor = !value;
Assert.Equal(!value, control.UseVisualStyleBackColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(true, 1)]
[InlineData(false, 0)]
public void TabPage_UseVisualStyleBackColor_SetWithHandle_GetReturnsExpected(bool value, int expectedInvalidatedCallCount)
{
using TabPage control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.UseVisualStyleBackColor = value;
Assert.Equal(value, control.UseVisualStyleBackColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.UseVisualStyleBackColor = value;
Assert.Equal(value, control.UseVisualStyleBackColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.UseVisualStyleBackColor = !value;
Assert.Equal(!value, control.UseVisualStyleBackColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount + 1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[BoolData]
public void TabPage_Visible_Set_GetReturnsExpected(bool value)
{
using TabPage control = new()
{
Visible = value
};
Assert.Equal(value, control.Visible);
Assert.False(control.IsHandleCreated);
// Set same.
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.False(control.IsHandleCreated);
// Set different.
control.Visible = !value;
Assert.Equal(!value, control.Visible);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void TabPage_Visible_SetWithParent_GetReturnsExpected(bool value)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent,
Visible = value
};
Assert.Equal(value, control.Visible);
Assert.Equal(value, control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.Equal(value, control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set different.
control.Visible = !value;
Assert.Equal(!value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
public static IEnumerable<object[]> Visible_SetWithHandle_TestData()
{
foreach (bool userPaint in new bool[] { true, false })
{
yield return new object[] { userPaint, true };
yield return new object[] { userPaint, false };
}
}
[WinFormsTheory]
[MemberData(nameof(Visible_SetWithHandle_TestData))]
public void TabPage_Visible_SetWithHandle_GetReturnsExpected(bool userPaint, bool value)
{
using SubTabPage control = new();
control.SetStyle(ControlStyles.UserPaint, userPaint);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.Visible = !value;
Assert.Equal(!value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[BoolData]
public void TabPage_Visible_SetWithParentWithHandle_GetReturnsExpected(bool value)
{
using TabControl parent = new();
using TabPage control = new()
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set same.
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Set different.
control.Visible = !value;
Assert.Equal(!value, control.Visible);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
[WinFormsFact]
public void TabPage_Visible_SetWithHandler_CallsVisibleChanged()
{
using TabPage control = new()
{
Visible = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.VisibleChanged += handler;
// Set different.
control.Visible = false;
Assert.False(control.Visible);
Assert.Equal(1, callCount);
// Set same.
control.Visible = false;
Assert.False(control.Visible);
Assert.Equal(1, callCount);
// Set different.
control.Visible = true;
Assert.True(control.Visible);
Assert.Equal(2, callCount);
// Remove handler.
control.VisibleChanged -= handler;
control.Visible = false;
Assert.False(control.Visible);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void TabPage_CreateControlsInstance_Invoke_ReturnsExpected()
{
using SubTabPage control = new();
Control.ControlCollection controls = Assert.IsType<TabPage.TabPageControlCollection>(control.CreateControlsInstance());
Assert.Empty(controls);
Assert.Same(control, controls.Owner);
Assert.False(controls.IsReadOnly);
Assert.NotSame(controls, control.CreateControlsInstance());
}
[WinFormsFact]
public void TabPage_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using SubTabPage control = new();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}
[WinFormsTheory]
[InlineData(0, true)]
[InlineData(SubTabPage.ScrollStateAutoScrolling, false)]
[InlineData(SubTabPage.ScrollStateFullDrag, false)]
[InlineData(SubTabPage.ScrollStateHScrollVisible, false)]
[InlineData(SubTabPage.ScrollStateUserHasScrolled, false)]
[InlineData(SubTabPage.ScrollStateVScrollVisible, false)]
[InlineData(int.MaxValue, false)]
[InlineData((-1), false)]
public void TabPage_GetScrollState_Invoke_ReturnsExpected(int bit, bool expected)
{
using SubTabPage control = new();
Assert.Equal(expected, control.GetScrollState(bit));
}
[WinFormsTheory]
[InlineData(ControlStyles.ContainerControl, true)]
[InlineData(ControlStyles.UserPaint, true)]
[InlineData(ControlStyles.Opaque, false)]
[InlineData(ControlStyles.ResizeRedraw, false)]
[InlineData(ControlStyles.FixedWidth, false)]
[InlineData(ControlStyles.FixedHeight, false)]
[InlineData(ControlStyles.StandardClick, true)]
[InlineData(ControlStyles.Selectable, false)]
[InlineData(ControlStyles.UserMouse, false)]
[InlineData(ControlStyles.SupportsTransparentBackColor, true)]
[InlineData(ControlStyles.StandardDoubleClick, true)]
[InlineData(ControlStyles.AllPaintingInWmPaint, false)]
[InlineData(ControlStyles.CacheText, true)]
[InlineData(ControlStyles.EnableNotifyMessage, false)]
[InlineData(ControlStyles.DoubleBuffer, false)]
[InlineData(ControlStyles.OptimizedDoubleBuffer, false)]
[InlineData(ControlStyles.UseTextForAccessibility, true)]
[InlineData((ControlStyles)0, true)]
[InlineData((ControlStyles)int.MaxValue, false)]
[InlineData((ControlStyles)(-1), false)]
public void TabPage_GetStyle_Invoke_ReturnsExpected(ControlStyles flag, bool expected)
{
using SubTabPage control = new();
Assert.Equal(expected, control.GetStyle(flag));
// Call again to test caching.
Assert.Equal(expected, control.GetStyle(flag));
}
[WinFormsFact]
public void TabPage_GetTopLevel_Invoke_ReturnsExpected()
{
using SubTabPage control = new();
Assert.False(control.GetTopLevel());
}
[WinFormsFact]
public void TabPage_GetTabPageOfComponent_InvokeTabPageInHierarchy_ReturnsExpected()
{
using TabPage grandparent = new();
using Control parent = new()
{
Parent = grandparent
};
using Control control = new()
{
Parent = parent
};
Assert.Same(grandparent, TabPage.GetTabPageOfComponent(control));
Assert.Same(grandparent, TabPage.GetTabPageOfComponent(parent));
Assert.Same(grandparent, TabPage.GetTabPageOfComponent(grandparent));
}
[WinFormsFact]
public void TabPage_GetTabPageOfComponent_InvokeNoTabPageInHierarchy_ReturnsNull()
{
using Control grandparent = new();
using Control parent = new()
{
Parent = grandparent
};
using Control control = new()
{
Parent = parent
};
Assert.Null(TabPage.GetTabPageOfComponent(control));
Assert.Null(TabPage.GetTabPageOfComponent(parent));
Assert.Null(TabPage.GetTabPageOfComponent(grandparent));
}
[WinFormsTheory]
[InlineData(null)]
[InlineData("NotAControl")]
public void TabPage_GetTabPageOfComponent_InvokeInvalidControl_ReturnsNull(object comp)
{
Assert.Null(TabPage.GetTabPageOfComponent(comp));
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TabPage_OnEnter_Invoke_DoesNotCallEnter(EventArgs eventArgs)
{
using SubTabPage control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Enter += handler;
control.OnEnter(eventArgs);
Assert.Equal(0, callCount);
// Remove handler.
control.Enter -= handler;
control.OnEnter(eventArgs);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TabPage_OnEnter_InvokeWithParent_DoesNotCallEnter(EventArgs eventArgs)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Enter += handler;
control.OnEnter(eventArgs);
Assert.Equal(0, callCount);
// Remove handler.
control.Enter -= handler;
control.OnEnter(eventArgs);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TabPage_OnLeave_Invoke_DoesNotCallLeave(EventArgs eventArgs)
{
using SubTabPage control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Leave += handler;
control.OnLeave(eventArgs);
Assert.Equal(0, callCount);
// Remove handler.
control.Leave -= handler;
control.OnLeave(eventArgs);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TabPage_OnLeave_InvokeWithParent_DoesNotCallLeave(EventArgs eventArgs)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Leave += handler;
control.OnLeave(eventArgs);
Assert.Equal(0, callCount);
// Remove handler.
control.Leave -= handler;
control.OnLeave(eventArgs);
Assert.Equal(0, callCount);
}
public static IEnumerable<object[]> OnPaintBackground_TestData()
{
foreach (Image backgroundImage in new Image[] { null, new Bitmap(10, 10, PixelFormat.Format32bppRgb), new Bitmap(10, 10, PixelFormat.Format32bppArgb) })
{
foreach (ImageLayout backgroundImageLayout in Enum.GetValues(typeof(ImageLayout)))
{
yield return new object[] { true, Color.Empty, backgroundImage, backgroundImageLayout };
yield return new object[] { true, Color.Red, backgroundImage, backgroundImageLayout };
yield return new object[] { true, Color.FromArgb(100, 50, 100, 150), backgroundImage, backgroundImageLayout };
yield return new object[] { true, Color.FromArgb(0, 50, 100, 150), backgroundImage, backgroundImageLayout };
yield return new object[] { false, Color.Empty, backgroundImage, backgroundImageLayout };
yield return new object[] { false, Color.Red, backgroundImage, backgroundImageLayout };
}
}
}
[WinFormsTheory]
[MemberData(nameof(OnPaintBackground_TestData))]
public void TabPage_OnPaintBackground_Invoke_Success(bool supportsTransparentBackColor, Color backColor, Image backgroundImage, ImageLayout backgroundImageLayout)
{
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
using PaintEventArgs eventArgs = new(graphics, new Rectangle(1, 2, 3, 4));
using SubTabPage control = new();
control.SetStyle(ControlStyles.SupportsTransparentBackColor, supportsTransparentBackColor);
control.BackColor = backColor;
control.BackgroundImage = backgroundImage;
control.BackgroundImageLayout = backgroundImageLayout;
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Paint += handler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.Paint -= handler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> OnPaintBackground_WithParent_TestData()
{
foreach (TabAppearance appearance in Enum.GetValues(typeof(TabAppearance)))
{
foreach (bool useVisualStyleBackColor in new bool[] { true, false })
{
foreach (Image backgroundImage in new Image[] { null, new Bitmap(10, 10, PixelFormat.Format32bppRgb) })
{
foreach (ImageLayout backgroundImageLayout in Enum.GetValues(typeof(ImageLayout)))
{
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Empty, backgroundImage, backgroundImageLayout, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Red, backgroundImage, backgroundImageLayout, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(100, 50, 100, 150), backgroundImage, backgroundImageLayout, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(0, 50, 100, 150), backgroundImage, backgroundImageLayout, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Empty, backgroundImage, backgroundImageLayout, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Red, backgroundImage, backgroundImageLayout, 0 };
}
}
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(100, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(0, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(100, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(0, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
}
}
}
[WinFormsTheory]
[MemberData(nameof(OnPaintBackground_WithParent_TestData))]
public void TabPage_OnPaintBackground_InvokeWithParent_CallsPaint(TabAppearance appearance, bool useVisualStyleBackColor, bool supportsTransparentBackColor, Color backColor, Image backgroundImage, ImageLayout backgroundImageLayout, int expectedPaintCallCount)
{
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
using PaintEventArgs eventArgs = new(graphics, new Rectangle(1, 2, 3, 4));
using TabControl parent = new()
{
Bounds = new Rectangle(1, 2, 30, 40),
Appearance = appearance
};
using SubTabPage control = new()
{
Bounds = new Rectangle(1, 2, 10, 20),
Parent = parent,
UseVisualStyleBackColor = useVisualStyleBackColor
};
control.SetStyle(ControlStyles.SupportsTransparentBackColor, supportsTransparentBackColor);
control.BackColor = backColor;
control.BackgroundImage = backgroundImage;
control.BackgroundImageLayout = backgroundImageLayout;
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
int parentCallCount = 0;
PaintEventHandler parentHandler = (sender, e) =>
{
Assert.Same(parent, sender);
Assert.NotSame(graphics, e.Graphics);
Assert.Equal(new Rectangle(1, 2, 0, 0), e.ClipRectangle);
parentCallCount++;
};
// Call with handler.
control.Paint += handler;
parent.Paint += parentHandler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.Equal(expectedPaintCallCount, parentCallCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.Paint -= handler;
parent.Paint -= parentHandler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.Equal(expectedPaintCallCount, parentCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(OnPaintBackground_TestData))]
public void TabPage_OnPaintBackground_InvokeWithHandle_Success(bool supportsTransparentBackColor, Color backColor, Image backgroundImage, ImageLayout backgroundImageLayout)
{
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
using PaintEventArgs eventArgs = new(graphics, new Rectangle(1, 2, 3, 4));
using SubTabPage control = new();
control.SetStyle(ControlStyles.SupportsTransparentBackColor, supportsTransparentBackColor);
control.BackColor = backColor;
control.BackgroundImage = backgroundImage;
control.BackgroundImageLayout = backgroundImageLayout;
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
// Call with handler.
control.Paint += handler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.Paint -= handler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> OnPaintBackground_WithParentWithHandle_TestData()
{
foreach (TabAppearance appearance in Enum.GetValues(typeof(TabAppearance)))
{
foreach (bool useVisualStyleBackColor in new bool[] { true, false })
{
foreach (Image backgroundImage in new Image[] { null, new Bitmap(10, 10, PixelFormat.Format32bppRgb) })
{
foreach (ImageLayout backgroundImageLayout in Enum.GetValues(typeof(ImageLayout)))
{
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Empty, backgroundImage, backgroundImageLayout, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Red, backgroundImage, backgroundImageLayout, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(100, 50, 100, 150), backgroundImage, backgroundImageLayout, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(0, 50, 100, 150), backgroundImage, backgroundImageLayout, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Empty, backgroundImage, backgroundImageLayout, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Red, backgroundImage, backgroundImageLayout, 0 };
}
}
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(100, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(0, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.None, 0 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(100, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, true, Color.FromArgb(0, 50, 100, 150), new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Empty, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
yield return new object[] { appearance, useVisualStyleBackColor, false, Color.Red, new Bitmap(10, 10, PixelFormat.Format32bppArgb), ImageLayout.Tile, 1 };
}
}
}
[WinFormsTheory]
[MemberData(nameof(OnPaintBackground_WithParentWithHandle_TestData))]
public void TabPage_OnPaintBackground_InvokeWithParentWithHandle_CallsPaint(TabAppearance appearance, bool useVisualStyleBackColor, bool supportsTransparentBackColor, Color backColor, Image backgroundImage, ImageLayout backgroundImageLayout, int expectedPaintCallCount)
{
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
using PaintEventArgs eventArgs = new(graphics, new Rectangle(1, 2, 3, 4));
using TabControl parent = new()
{
Bounds = new Rectangle(1, 2, 30, 40),
Appearance = appearance,
};
using SubTabPage control = new()
{
Bounds = new Rectangle(1, 2, 10, 20),
Parent = parent,
UseVisualStyleBackColor = useVisualStyleBackColor
};
control.SetStyle(ControlStyles.SupportsTransparentBackColor, supportsTransparentBackColor);
control.BackColor = backColor;
control.BackgroundImage = backgroundImage;
control.BackgroundImageLayout = backgroundImageLayout;
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
int parentCallCount = 0;
PaintEventHandler parentHandler = (sender, e) =>
{
Assert.Same(parent, sender);
Assert.NotSame(graphics, e.Graphics);
Assert.Equal(parent.DisplayRectangle, e.ClipRectangle);
parentCallCount++;
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
// Call with handler.
control.Paint += handler;
parent.Paint += parentHandler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.Equal(expectedPaintCallCount, parentCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.Paint -= handler;
parent.Paint -= parentHandler;
control.OnPaintBackground(eventArgs);
Assert.Equal(0, callCount);
Assert.Equal(expectedPaintCallCount, parentCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TabPage_OnPaintBackground_NullEventArgs_ThrowsArgumentNullException()
{
using SubTabPage control = new();
Assert.Throws<ArgumentNullException>(() => control.OnPaintBackground(null));
}
public static IEnumerable<object[]> SetBoundsCore_TestData()
{
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
yield return new object[] { 0, 0, 0, 0, specified, 0 };
yield return new object[] { -1, -2, -3, -4, specified, 1 };
yield return new object[] { 1, 0, 0, 0, specified, 1 };
yield return new object[] { 0, 2, 0, 0, specified, 1 };
yield return new object[] { 1, 2, 0, 0, specified, 1 };
yield return new object[] { 0, 0, 1, 0, specified, 0 };
yield return new object[] { 0, 0, 0, 2, specified, 0 };
yield return new object[] { 0, 0, 1, 2, specified, 0 };
yield return new object[] { 1, 2, 30, 40, specified, 1 };
}
}
[WinFormsTheory]
[MemberData(nameof(SetBoundsCore_TestData))]
public void TabPage_SetBoundsCore_Invoke_Success(int x, int y, int width, int height, BoundsSpecified specified, int expectedLocationChangedCallCount)
{
using SubTabPage control = new();
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
Assert.Equal(layoutCallCount, moveCallCount);
Assert.Equal(resizeCallCount, moveCallCount);
Assert.Equal(sizeChangedCallCount, moveCallCount);
Assert.Equal(clientSizeChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
Assert.Equal(layoutCallCount, locationChangedCallCount);
Assert.Equal(resizeCallCount, locationChangedCallCount);
Assert.Equal(sizeChangedCallCount, locationChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(width, height), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, width, height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, width, height), control.DisplayRectangle);
Assert.Equal(new Size(width, height), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + width, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + height, control.Bottom);
Assert.Equal(width, control.Width);
Assert.Equal(height, control.Height);
Assert.Equal(new Rectangle(x, y, width, height), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(1, layoutCallCount);
Assert.Equal(1, resizeCallCount);
Assert.Equal(1, sizeChangedCallCount);
Assert.Equal(1, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(width, height), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, width, height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, width, height), control.DisplayRectangle);
Assert.Equal(new Size(width, height), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + width, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + height, control.Bottom);
Assert.Equal(width, control.Width);
Assert.Equal(height, control.Height);
Assert.Equal(new Rectangle(x, y, width, height), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(1, layoutCallCount);
Assert.Equal(1, resizeCallCount);
Assert.Equal(1, sizeChangedCallCount);
Assert.Equal(1, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(SetBoundsCore_TestData))]
public void TabPage_SetBoundsCore_InvokeWithParent_Success(int x, int y, int width, int height, BoundsSpecified specified, int expectedLocationChangedCallCount)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
Assert.Equal(layoutCallCount, moveCallCount);
Assert.Equal(resizeCallCount, moveCallCount);
Assert.Equal(sizeChangedCallCount, moveCallCount);
Assert.Equal(clientSizeChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
Assert.Equal(layoutCallCount, locationChangedCallCount);
Assert.Equal(resizeCallCount, locationChangedCallCount);
Assert.Equal(sizeChangedCallCount, locationChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
Assert.Equal(parentLayoutCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
Assert.Equal(parentLayoutCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount - 1, parentLayoutCallCount);
Assert.Equal(layoutCallCount - 1, parentLayoutCallCount);
Assert.Equal(sizeChangedCallCount - 1, parentLayoutCallCount);
Assert.Equal(clientSizeChangedCallCount - 1, parentLayoutCallCount);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(width, height), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, width, height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, width, height), control.DisplayRectangle);
Assert.Equal(new Size(width, height), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + width, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + height, control.Bottom);
Assert.Equal(width, control.Width);
Assert.Equal(height, control.Height);
Assert.Equal(new Rectangle(x, y, width, height), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(1, layoutCallCount);
Assert.Equal(1, resizeCallCount);
Assert.Equal(1, sizeChangedCallCount);
Assert.Equal(1, clientSizeChangedCallCount);
Assert.Equal(1, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(width, height), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, width, height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, width, height), control.DisplayRectangle);
Assert.Equal(new Size(width, height), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + width, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + height, control.Bottom);
Assert.Equal(width, control.Width);
Assert.Equal(height, control.Height);
Assert.Equal(new Rectangle(x, y, width, height), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(1, layoutCallCount);
Assert.Equal(1, resizeCallCount);
Assert.Equal(1, sizeChangedCallCount);
Assert.Equal(1, clientSizeChangedCallCount);
Assert.Equal(1, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
}
finally
{
parent.Layout -= parentHandler;
}
}
public static IEnumerable<object[]> SetBoundsCore_WithHandle_TestData()
{
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
yield return new object[] { true, 0, 0, 0, 0, specified, 0, 0, 0, 1 };
yield return new object[] { true, -1, -2, -3, -4, specified, 0, 0, 1, 1 };
yield return new object[] { true, 1, 0, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, 0, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, 1, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, 0, 0, 1, 0, specified, 1, 0, 0, 1 };
yield return new object[] { true, 0, 0, 0, 2, specified, 0, 2, 0, 1 };
yield return new object[] { true, 0, 0, 1, 2, specified, 1, 2, 0, 1 };
yield return new object[] { true, 1, 2, 30, 40, specified, 30, 40, 1, 1 };
yield return new object[] { false, 0, 0, 0, 0, specified, 0, 0, 0, 0 };
yield return new object[] { false, -1, -2, -3, -4, specified, 0, 0, 1, 0 };
yield return new object[] { false, 1, 0, 0, 0, specified, 0, 0, 1, 0 };
yield return new object[] { false, 0, 2, 0, 0, specified, 0, 0, 1, 0 };
yield return new object[] { false, 1, 2, 0, 0, specified, 0, 0, 1, 0 };
yield return new object[] { false, 0, 0, 1, 0, specified, 1, 0, 0, 0 };
yield return new object[] { false, 0, 0, 0, 2, specified, 0, 2, 0, 0 };
yield return new object[] { false, 0, 0, 1, 2, specified, 1, 2, 0, 0 };
yield return new object[] { false, 1, 2, 30, 40, specified, 30, 40, 1, 0 };
}
}
[WinFormsTheory]
[MemberData(nameof(SetBoundsCore_WithHandle_TestData))]
public void TabPage_SetBoundsCore_InvokeWithHandle_Success(bool resizeRedraw, int x, int y, int width, int height, BoundsSpecified specified, int expectedWidth, int expectedHeight, int expectedLocationChangedCallCount, int expectedInvalidatedCallCount)
{
using SubTabPage control = new();
control.SetStyle(ControlStyles.ResizeRedraw, resizeRedraw);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
Assert.Equal(layoutCallCount, moveCallCount);
Assert.Equal(resizeCallCount, moveCallCount);
Assert.Equal(sizeChangedCallCount, moveCallCount);
Assert.Equal(clientSizeChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
Assert.Equal(layoutCallCount, locationChangedCallCount);
Assert.Equal(resizeCallCount, locationChangedCallCount);
Assert.Equal(sizeChangedCallCount, locationChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + expectedWidth, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(x, y, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(1, layoutCallCount);
Assert.Equal(1, resizeCallCount);
Assert.Equal(1, sizeChangedCallCount);
Assert.Equal(1, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Call again.
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + expectedWidth, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(x, y, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(1, layoutCallCount);
Assert.Equal(1, resizeCallCount);
Assert.Equal(1, sizeChangedCallCount);
Assert.Equal(1, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> SetBoundsCore_WithParentWithHandle_TestData()
{
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
foreach (bool resizeRedraw in new bool[] { true, false })
{
yield return new object[] { resizeRedraw, 0, 0, 0, 0, specified };
yield return new object[] { resizeRedraw, -1, -2, -3, -4, specified };
yield return new object[] { resizeRedraw, 1, 0, 0, 0, specified };
yield return new object[] { resizeRedraw, 0, 2, 0, 0, specified };
yield return new object[] { resizeRedraw, 1, 2, 0, 0, specified };
yield return new object[] { resizeRedraw, 0, 0, 1, 0, specified };
yield return new object[] { resizeRedraw, 0, 0, 0, 2, specified };
yield return new object[] { resizeRedraw, 0, 0, 1, 2, specified };
yield return new object[] { resizeRedraw, 1, 2, 30, 40, specified };
}
}
}
[WinFormsTheory]
[MemberData(nameof(SetBoundsCore_WithParentWithHandle_TestData))]
public void TabPage_SetBoundsCore_InvokeWithParentWithHandle_Success(bool resizeRedraw, int x, int y, int width, int height, BoundsSpecified specified)
{
using TabControl parent = new();
using SubTabPage control = new()
{
Parent = parent
};
control.SetStyle(ControlStyles.ResizeRedraw, resizeRedraw);
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
Rectangle expected = parent.DisplayRectangle;
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
Assert.Equal(layoutCallCount, moveCallCount);
Assert.Equal(resizeCallCount, moveCallCount);
Assert.Equal(sizeChangedCallCount, moveCallCount);
Assert.Equal(clientSizeChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
Assert.Equal(layoutCallCount, locationChangedCallCount);
Assert.Equal(resizeCallCount, locationChangedCallCount);
Assert.Equal(sizeChangedCallCount, locationChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
Assert.Equal(parentLayoutCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
Assert.Equal(parentLayoutCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount - 1, parentLayoutCallCount);
Assert.Equal(layoutCallCount - 1, parentLayoutCallCount);
Assert.Equal(sizeChangedCallCount - 1, parentLayoutCallCount);
Assert.Equal(clientSizeChangedCallCount - 1, parentLayoutCallCount);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(expected.Size, control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.DisplayRectangle);
Assert.Equal(expected.Size, control.Size);
Assert.Equal(expected.X, control.Left);
Assert.Equal(expected.X + expected.Width, control.Right);
Assert.Equal(expected.Location, control.Location);
Assert.Equal(expected.Y, control.Top);
Assert.Equal(expected.Y + expected.Height, control.Bottom);
Assert.Equal(expected.Width, control.Width);
Assert.Equal(expected.Height, control.Height);
Assert.Equal(expected, control.Bounds);
Assert.Equal(0, moveCallCount);
Assert.Equal(0, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, parentLayoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Call again.
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(expected.Size, control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expected.Width, expected.Height), control.DisplayRectangle);
Assert.Equal(expected.Size, control.Size);
Assert.Equal(expected.X, control.Left);
Assert.Equal(expected.X + expected.Width, control.Right);
Assert.Equal(expected.Location, control.Location);
Assert.Equal(expected.Y, control.Top);
Assert.Equal(expected.Y + expected.Height, control.Bottom);
Assert.Equal(expected.Width, control.Width);
Assert.Equal(expected.Height, control.Height);
Assert.Equal(expected, control.Bounds);
Assert.Equal(0, moveCallCount);
Assert.Equal(0, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, parentLayoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsFact]
public void TabPage_ToString_Invoke_ReturnsExpected()
{
using TabPage control = new();
Assert.Equal("TabPage: {}", control.ToString());
}
[WinFormsFact]
public void TabPage_ToString_InvokeWithText_ReturnsExpected()
{
using TabPage control = new("text");
Assert.Equal("TabPage: {text}", control.ToString());
}
[WinFormsFact]
public void TabPage_ToString_InvokeWithNullText_ReturnsExpected()
{
using NullTextTabPage control = new();
Assert.Equal("TabPage: {}", control.ToString());
}
[WinFormsFact]
public void TabPage_GetCaptionForTool_ReturnsToolTipText_IfToolTipTextIsSet()
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
using ToolTip toolTip = new();
string actual = ((IKeyboardToolTip)control).GetCaptionForTool(toolTip);
Assert.Equal(text, actual);
}
[WinFormsFact]
public void TabPage_GetCaptionForTool_ReturnsExternalToolTipText_IfInternalsAreNotSet()
{
using TabPage control = new();
using ToolTip toolTip = new();
control.CreateControl();
Assert.NotEqual(IntPtr.Zero, toolTip.Handle); // A workaround to create the tooltip native window Handle
string text = "Some test text";
toolTip.SetToolTip(control, text);
string actual = ((IKeyboardToolTip)control).GetCaptionForTool(toolTip);
Assert.Equal(text, actual);
}
[WinFormsFact]
public void TabPage_GetCaptionForTool_ReturnsNull_IfNoToolTipIsSet()
{
using TabPage control = new();
using ToolTip toolTip = new();
string actual = ((IKeyboardToolTip)control).GetCaptionForTool(toolTip);
Assert.Null(actual);
}
[WinFormsFact]
public void TabPage_GetNeighboringToolsRectangles_ReturnsEmptyCollection_IfPageDoesntHaveTabControl()
{
using TabPage control = new();
IList<Rectangle> actual = ((IKeyboardToolTip)control).GetNeighboringToolsRectangles();
Assert.Empty(actual);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(2)]
[InlineData(3)]
[InlineData(4)]
public void TabPage_GetNeighboringToolsRectangles_ReturnsCorrect(int index)
{
using TabControl tabControl = new();
const int pagesCount = 5;
for (int i = 0; i < pagesCount; i++)
{
tabControl.TabPages.Add(new TabPage());
}
TabPage testedTab = tabControl.TabPages[index];
IList<Rectangle> neighborsRectangles = ((IKeyboardToolTip)testedTab).GetNeighboringToolsRectangles();
Assert.NotEmpty(neighborsRectangles);
if (index > 0) // has the left neighbor
{
Assert.True(neighborsRectangles.Contains(GetTabRect(index - 1))); // check the left neighbor
for (int i = 0; i < index - 1; i++)
{
Assert.False(neighborsRectangles.Contains(GetTabRect(i))); // check the rest lefts
}
}
if (index < pagesCount - 1) // has the right neighbor
{
Assert.True(neighborsRectangles.Contains(GetTabRect(index + 1))); // check the right neighbor
for (int i = index + 2; i < pagesCount; i++)
{
Assert.False(neighborsRectangles.Contains(GetTabRect(i))); // check the rest rights
}
}
Rectangle GetTabRect(int index)
=> tabControl.RectangleToScreen(tabControl.GetTabRect(index));
}
[WinFormsFact]
public void TabPage_InternalToolTip_IsSet_IfNoExternalIsSet()
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
ToolTip internalToolTip = control.TestAccessor().Dynamic._internalToolTip;
string actual = internalToolTip.GetCaptionForTool(control);
Assert.Equal(text, actual);
}
[WinFormsFact]
public void TabPage_InternalToolTip_IsNotSet_IfExternalIsSet()
{
using TabPage control = new();
using ToolTip toolTip = new();
string text = "Some test text";
control.ToolTipText = text;
control.CreateControl();
Assert.NotEqual(IntPtr.Zero, toolTip.Handle); // A workaround to create the tooltip native window Handle
toolTip.SetToolTip(control, text);
ToolTip internalToolTip = control.TestAccessor().Dynamic._internalToolTip;
string actual = internalToolTip.GetCaptionForTool(control);
Assert.Null(actual);
}
[WinFormsFact]
public void TabPage_GetToolNativeScreenRectangle_ReturnsExpected()
{
using TabControl tabControl = new();
using TabPage page = new();
tabControl.TabPages.Add(page);
Rectangle expected = tabControl.RectangleToScreen(tabControl.GetTabRect(0));
Rectangle actual = page.GetToolNativeScreenRectangle();
Assert.Equal(expected, actual);
}
[WinFormsFact]
public void TabPage_GetToolNativeScreenRectangle_ReturnsEmpty_WithoutParent()
{
using TabPage control = new();
Rectangle actual = control.GetToolNativeScreenRectangle();
Assert.Equal(Rectangle.Empty, actual);
}
[WinFormsTheory]
[InlineData(true, null)]
[InlineData(false, "Some test text")]
public void TabPage_SetToolTip_ManagesAssociatedToolTips_ForOneToolTipInstance(bool createToolTip, string expectedText)
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
dynamic tabPageDynamic = control.TestAccessor().Dynamic;
ToolTip internalToolTip = tabPageDynamic._internalToolTip;
ToolTip externalToolTip = tabPageDynamic._externalToolTip;
List<ToolTip> associatedToolTips = tabPageDynamic._associatedToolTips;
string actualText = internalToolTip.GetCaptionForTool(control);
Assert.Equal(text, actualText);
Assert.Null(externalToolTip);
Assert.Null(associatedToolTips);
using ToolTip toolTip = createToolTip
? new ToolTip() // TabPage's SetToolTip will clear the internal toolTip because external one is set
: null; // TabPage's SetToolTip won't change states of fields and won't throw any exceptions
control.SetToolTip(toolTip);
externalToolTip = tabPageDynamic._externalToolTip;
associatedToolTips = tabPageDynamic._associatedToolTips;
actualText = internalToolTip.GetCaptionForTool(control);
Assert.Equal(expectedText, actualText);
Assert.Equal(toolTip, externalToolTip);
Assert.Null(associatedToolTips);
}
[WinFormsFact]
public void TabPage_SetToolTip_ManagesInternalAndAssociatedToolTips_ForTwoToolTipInstances()
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
dynamic tabPageDynamic = control.TestAccessor().Dynamic;
ToolTip internalToolTip = tabPageDynamic._internalToolTip;
ToolTip externalToolTip = tabPageDynamic._externalToolTip;
List<ToolTip> associatedToolTips = tabPageDynamic._associatedToolTips;
string actualText = internalToolTip.GetCaptionForTool(control);
Assert.Equal(text, actualText);
Assert.Null(externalToolTip);
Assert.Null(associatedToolTips);
using ToolTip toolTip1 = new();
using ToolTip toolTip2 = new();
control.SetToolTip(toolTip1);
control.SetToolTip(toolTip2);
actualText = internalToolTip.GetCaptionForTool(control);
externalToolTip = tabPageDynamic._externalToolTip;
associatedToolTips = tabPageDynamic._associatedToolTips;
Assert.Null(actualText);
Assert.Equal(toolTip1, externalToolTip);
Assert.Equal(2, associatedToolTips.Count);
Assert.Equal(toolTip1, associatedToolTips[0]);
Assert.Equal(toolTip2, associatedToolTips[1]);
}
[WinFormsTheory]
[InlineData(true, true)]
[InlineData(false, false)]
public void TabPage_RemoveToolTip_ManagesAssociatedToolTips_ForOneToolTipInstance(bool createToolTip, bool setToolTip)
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
dynamic tabPageDynamic = control.TestAccessor().Dynamic;
ToolTip internalToolTip = tabPageDynamic._internalToolTip;
ToolTip externalToolTip = tabPageDynamic._externalToolTip;
using ToolTip toolTip = createToolTip
? new ToolTip() // TabPage's RemoveToolTip will clear the internal toolTip because external one is set
: null; // TabPage's RemoveToolTip won't change states of fields and won't throw any exceptions
if (createToolTip && setToolTip)
{
// A simple workaround in the test to set expected states for fields
control.SetToolTip(toolTip);
}
control.RemoveToolTip(toolTip);
List<ToolTip> associatedToolTips = tabPageDynamic._associatedToolTips;
string actualText = internalToolTip.GetCaptionForTool(control);
Assert.Equal(text, actualText);
Assert.Null(externalToolTip);
Assert.Null(associatedToolTips);
}
[WinFormsFact]
public void TabPage_RemoveToolTip_ManagesAssociatedToolTips_ForTwoToolTipInstances()
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
dynamic tabPageDynamic = control.TestAccessor().Dynamic;
ToolTip internalToolTip = tabPageDynamic._internalToolTip;
using ToolTip toolTip1 = new();
using ToolTip toolTip2 = new();
// A simple workaround in the test to set expected states for fields
control.SetToolTip(toolTip1);
control.SetToolTip(toolTip2);
control.RemoveToolTip(toolTip1);
List<ToolTip> associatedToolTips = tabPageDynamic._associatedToolTips;
ToolTip externalToolTip = tabPageDynamic._externalToolTip;
Assert.Equal(toolTip2, externalToolTip);
Assert.Null(associatedToolTips);
}
[WinFormsFact]
public void TabPage_RemoveToolTip_ManagesAssociatedToolTips_ForThreeToolTipInstances()
{
using TabPage control = new();
string text = "Some test text";
control.ToolTipText = text;
dynamic tabPageDynamic = control.TestAccessor().Dynamic;
ToolTip internalToolTip = tabPageDynamic._internalToolTip;
ToolTip externalToolTip = tabPageDynamic._externalToolTip;
using ToolTip toolTip1 = new();
using ToolTip toolTip2 = new();
using ToolTip toolTip3 = new();
// A simple workaround in the test to set expected states for fields
control.SetToolTip(toolTip1);
control.SetToolTip(toolTip2);
control.SetToolTip(toolTip3);
control.RemoveToolTip(toolTip1);
List<ToolTip> associatedToolTips = tabPageDynamic._associatedToolTips;
Assert.Equal(2, associatedToolTips.Count);
Assert.Equal(toolTip2, associatedToolTips[0]);
Assert.Equal(toolTip3, associatedToolTips[1]);
}
private class NullTextTabPage : TabPage
{
public override string Text
{
get => null;
set { }
}
}
private class SubTabPage : TabPage
{
public new const int ScrollStateAutoScrolling = ScrollableControl.ScrollStateAutoScrolling;
public new const int ScrollStateHScrollVisible = ScrollableControl.ScrollStateHScrollVisible;
public new const int ScrollStateVScrollVisible = ScrollableControl.ScrollStateVScrollVisible;
public new const int ScrollStateUserHasScrolled = ScrollableControl.ScrollStateUserHasScrolled;
public new const int ScrollStateFullDrag = ScrollableControl.ScrollStateFullDrag;
public SubTabPage() : base()
{
}
public SubTabPage(string text) : base(text)
{
}
public new bool CanEnableIme => base.CanEnableIme;
public new bool CanRaiseEvents => base.CanRaiseEvents;
public new CreateParams CreateParams => base.CreateParams;
public new Cursor DefaultCursor => base.DefaultCursor;
public new ImeMode DefaultImeMode => base.DefaultImeMode;
public new Padding DefaultMargin => base.DefaultMargin;
public new Size DefaultMaximumSize => base.DefaultMaximumSize;
public new Size DefaultMinimumSize => base.DefaultMinimumSize;
public new Padding DefaultPadding => base.DefaultPadding;
public new Size DefaultSize => base.DefaultSize;
public new bool DesignMode => base.DesignMode;
public new bool DoubleBuffered
{
get => base.DoubleBuffered;
set => base.DoubleBuffered = value;
}
public new EventHandlerList Events => base.Events;
public new int FontHeight
{
get => base.FontHeight;
set => base.FontHeight = value;
}
public new ImeMode ImeModeBase
{
get => base.ImeModeBase;
set => base.ImeModeBase = value;
}
public new bool HScroll
{
get => base.HScroll;
set => base.HScroll = value;
}
public new bool ResizeRedraw
{
get => base.ResizeRedraw;
set => base.ResizeRedraw = value;
}
public new bool ShowFocusCues => base.ShowFocusCues;
public new bool ShowKeyboardCues => base.ShowKeyboardCues;
public new bool VScroll
{
get => base.VScroll;
set => base.VScroll = value;
}
public new ControlCollection CreateControlsInstance() => base.CreateControlsInstance();
public new AutoSizeMode GetAutoSizeMode() => base.GetAutoSizeMode();
public new bool GetScrollState(int bit) => base.GetScrollState(bit);
public new bool GetStyle(ControlStyles flag) => base.GetStyle(flag);
public new bool GetTopLevel() => base.GetTopLevel();
public new void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) => base.SetBoundsCore(x, y, width, height, specified);
public new void SetStyle(ControlStyles flag, bool value) => base.SetStyle(flag, value);
public new void OnEnter(EventArgs e) => base.OnEnter(e);
public new void OnLeave(EventArgs e) => base.OnLeave(e);
public new void OnPaintBackground(PaintEventArgs e) => base.OnPaintBackground(e);
}
}
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