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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.Drawing;
using System.Windows.Forms.TestUtilities;
using Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class SplitterTests
{
[WinFormsFact]
public void Splitter_Ctor_Default()
{
using SubSplitter 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.None, control.Anchor);
Assert.False(control.AutoSize);
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(3, control.Bottom);
Assert.Equal(new Rectangle(0, 0, 3, 3), control.Bounds);
Assert.False(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 Size(3, 3), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 3, 3), control.ClientRectangle);
Assert.Null(control.Container);
Assert.False(control.ContainsFocus);
Assert.Null(control.ContextMenuStrip);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.VSplit, control.Cursor);
Assert.Same(Cursors.VSplit, control.DefaultCursor);
Assert.Equal(ImeMode.Disable, 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(3, 3), control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(new Rectangle(0, 0, 3, 3), control.DisplayRectangle);
Assert.Equal(DockStyle.Left, control.Dock);
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(3, control.Height);
Assert.Equal(ImeMode.Disable, control.ImeMode);
Assert.Equal(ImeMode.Disable, 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(25, control.MinExtra);
Assert.Equal(25, control.MinSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(new Size(3, 3), control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(3, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.Equal(-1, control.SplitPosition);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(new Size(3, 3), 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.UseWaitCursor);
Assert.True(control.Visible);
Assert.Equal(3, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void Splitter_CreateParams_GetDefault_ReturnsExpected()
{
using SubSplitter control = new();
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Null(createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0, createParams.ExStyle);
Assert.Equal(3, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(0x56000000, createParams.Style);
Assert.Equal(3, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(BorderStyle.None, 0x56000000, 0)]
[InlineData(BorderStyle.Fixed3D, 0x56000000, 0x200)]
[InlineData(BorderStyle.FixedSingle, 0x56800000, 0)]
public void Splitter_CreateParams_GetBorderStyle_ReturnsExpected(BorderStyle borderStyle, int expectedStyle, int expectedExStyle)
{
using SubSplitter control = new()
{
BorderStyle = borderStyle
};
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Null(createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(expectedExStyle, createParams.ExStyle);
Assert.Equal(3, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(expectedStyle, createParams.Style);
Assert.Equal(3, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void Splitter_AllowDrop_Set_GetReturnsExpected(bool value)
{
using Splitter control = new()
{
AllowDrop = value
};
Assert.Equal(value, control.AllowDrop);
Assert.False(control.IsHandleCreated);
// Set same.
control.AllowDrop = value;
Assert.Equal(value, control.AllowDrop);
Assert.False(control.IsHandleCreated);
// Set different.
control.AllowDrop = !value;
Assert.Equal(!value, control.AllowDrop);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[EnumData<AnchorStyles>]
[InvalidEnumData<AnchorStyles>]
public void Splitter_Anchor_Set_GetReturnsExpected(AnchorStyles value)
{
using Splitter control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Anchor = value;
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(DockStyle.Left, control.Dock);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Anchor = value;
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(DockStyle.Left, control.Dock);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetImageTheoryData))]
public void Splitter_BackgroundImage_Set_GetReturnsExpected(Image value)
{
using Splitter control = new()
{
BackgroundImage = value
};
Assert.Same(value, control.BackgroundImage);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackgroundImage = value;
Assert.Same(value, control.BackgroundImage);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void Splitter_BackgroundImage_SetWithHandler_CallsBackgroundImageChanged()
{
using Splitter control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.BackgroundImageChanged += handler;
// Set different.
using Bitmap image1 = new(10, 10);
control.BackgroundImage = image1;
Assert.Same(image1, control.BackgroundImage);
Assert.Equal(1, callCount);
// Set same.
control.BackgroundImage = image1;
Assert.Same(image1, control.BackgroundImage);
Assert.Equal(1, callCount);
// Set different.
using Bitmap image2 = new(10, 10);
control.BackgroundImage = image2;
Assert.Same(image2, control.BackgroundImage);
Assert.Equal(2, callCount);
// Set null.
control.BackgroundImage = null;
Assert.Null(control.BackgroundImage);
Assert.Equal(3, callCount);
// Remove handler.
control.BackgroundImageChanged -= handler;
control.BackgroundImage = image1;
Assert.Same(image1, control.BackgroundImage);
Assert.Equal(3, callCount);
}
[WinFormsTheory]
[EnumData<ImageLayout>]
public void Splitter_BackgroundImageLayout_Set_GetReturnsExpected(ImageLayout value)
{
using SubSplitter control = new()
{
BackgroundImageLayout = value
};
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.DoubleBuffered);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackgroundImageLayout = value;
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.DoubleBuffered);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void Splitter_BackgroundImageLayout_SetWithHandler_CallsBackgroundImageLayoutChanged()
{
using Splitter control = new();
int callCount = 0;
void handler(object sender, EventArgs e)
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
}
control.BackgroundImageLayoutChanged += handler;
// Set different.
control.BackgroundImageLayout = ImageLayout.Center;
Assert.Equal(ImageLayout.Center, control.BackgroundImageLayout);
Assert.Equal(1, callCount);
// Set same.
control.BackgroundImageLayout = ImageLayout.Center;
Assert.Equal(ImageLayout.Center, control.BackgroundImageLayout);
Assert.Equal(1, callCount);
// Set different.
control.BackgroundImageLayout = ImageLayout.Stretch;
Assert.Equal(ImageLayout.Stretch, control.BackgroundImageLayout);
Assert.Equal(2, callCount);
// Remove handler.
control.BackgroundImageLayoutChanged -= handler;
control.BackgroundImageLayout = ImageLayout.Center;
Assert.Equal(ImageLayout.Center, control.BackgroundImageLayout);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[EnumData<BorderStyle>]
public void Splitter_BorderStyle_Set_GetReturnsExpected(BorderStyle value)
{
using Splitter control = new()
{
BorderStyle = value
};
Assert.Equal(value, control.BorderStyle);
Assert.Equal(3, control.Height);
Assert.False(control.IsHandleCreated);
// Set same.
control.BorderStyle = value;
Assert.Equal(value, control.BorderStyle);
Assert.Equal(3, control.Height);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(BorderStyle.Fixed3D, 1)]
[InlineData(BorderStyle.FixedSingle, 1)]
[InlineData(BorderStyle.None, 0)]
public void Splitter_BorderStyle_SetWithHandle_GetReturnsExpected(BorderStyle value, int expectedInvalidatedCallCount)
{
using Splitter 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.BorderStyle = value;
Assert.Equal(value, control.BorderStyle);
Assert.Equal(3, control.Height);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(expectedInvalidatedCallCount, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.BorderStyle = value;
Assert.Equal(value, control.BorderStyle);
Assert.Equal(3, control.Height);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(expectedInvalidatedCallCount, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InvalidEnumData<BorderStyle>]
public void Splitter_BorderStyle_SetInvalid_ThrowsInvalidEnumArgumentException(BorderStyle value)
{
using Splitter control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.BorderStyle = value);
}
public static IEnumerable<object[]> DefaultCursor_TestData()
{
yield return new object[] { DockStyle.Top, Cursors.HSplit };
yield return new object[] { DockStyle.Bottom, Cursors.HSplit };
yield return new object[] { DockStyle.Left, Cursors.VSplit };
yield return new object[] { DockStyle.Right, Cursors.VSplit };
}
[WinFormsTheory]
[MemberData(nameof(DefaultCursor_TestData))]
public void Splitter_DefaultCursor_GetWithDockStyle_ReturnsExpected(DockStyle dock, Cursor expected)
{
using SubSplitter control = new()
{
Dock = dock
};
Assert.Equal(expected, control.Cursor);
Assert.Equal(expected, control.DefaultCursor);
}
[WinFormsTheory]
[InlineData(DockStyle.Left)]
[InlineData(DockStyle.Right)]
[InlineData(DockStyle.Top)]
[InlineData(DockStyle.Bottom)]
public void Splitter_Dock_Set_GetReturnsExpected(DockStyle value)
{
using Splitter control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(3, control.Width);
Assert.Equal(3, control.Height);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(3, control.Width);
Assert.Equal(3, control.Height);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(DockStyle.Left, 40, 0)]
[InlineData(DockStyle.Right, 40, 0)]
[InlineData(DockStyle.Top, 50, 1)]
[InlineData(DockStyle.Bottom, 50, 1)]
public void Splitter_Dock_SetCustomWidthHeight_GetReturnsExpected(DockStyle value, int expectedHeight, int expectedLayoutCallCount)
{
using Splitter control = new()
{
Width = 50,
Height = 40
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(50, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(50, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(DockStyle.Left)]
[InlineData(DockStyle.Right)]
[InlineData(DockStyle.Top)]
[InlineData(DockStyle.Bottom)]
public void Splitter_Dock_SetWithOldValue_GetReturnsExpected(DockStyle value)
{
using Splitter control = new()
{
Dock = DockStyle.Top
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(3, control.Width);
Assert.Equal(3, control.Height);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(3, control.Width);
Assert.Equal(3, control.Height);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(DockStyle.Left, 40, 1)]
[InlineData(DockStyle.Right, 40, 1)]
[InlineData(DockStyle.Top, 50, 0)]
[InlineData(DockStyle.Bottom, 50, 0)]
public void Splitter_Dock_SetWithOldValueCustomWidthHeight_GetReturnsExpected(DockStyle value, int expectedWidth, int expectedLayoutCallCount)
{
using Splitter control = new()
{
Dock = DockStyle.Top,
Width = 50,
Height = 40
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(40, control.Height);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(40, control.Height);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Dock_SetWithParent_TestData()
{
yield return new object[] { DockStyle.Bottom, 1 };
yield return new object[] { DockStyle.Left, 0 };
yield return new object[] { DockStyle.Right, 1 };
yield return new object[] { DockStyle.Top, 1 };
}
[WinFormsTheory]
[MemberData(nameof(Dock_SetWithParent_TestData))]
public void Splitter_Dock_SetWithParent_GetReturnsExpected(DockStyle value, int expectedParentLayoutCallCount)
{
using Splitter parent = new();
using Splitter control = new()
{
Parent = parent
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentLayoutCallCount = 0;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Dock", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
}
finally
{
parent.Layout -= parentHandler;
}
}
public static IEnumerable<object[]> Splitter_Dock_SetWithOldValueWithParent_TestData()
{
yield return new object[] { DockStyle.Bottom, DockStyle.Bottom, 0 };
yield return new object[] { DockStyle.Left, DockStyle.Bottom, 1 };
yield return new object[] { DockStyle.Right, DockStyle.Bottom, 1 };
yield return new object[] { DockStyle.Top, DockStyle.Bottom, 1 };
yield return new object[] { DockStyle.Bottom, DockStyle.Left, 1 };
yield return new object[] { DockStyle.Left, DockStyle.Left, 0 };
yield return new object[] { DockStyle.Right, DockStyle.Left, 1 };
yield return new object[] { DockStyle.Top, DockStyle.Left, 1 };
yield return new object[] { DockStyle.Bottom, DockStyle.Right, 1 };
yield return new object[] { DockStyle.Left, DockStyle.Right, 1 };
yield return new object[] { DockStyle.Right, DockStyle.Right, 0 };
yield return new object[] { DockStyle.Top, DockStyle.Right, 1 };
yield return new object[] { DockStyle.Bottom, DockStyle.Top, 1 };
yield return new object[] { DockStyle.Left, DockStyle.Top, 1 };
yield return new object[] { DockStyle.Right, DockStyle.Top, 1 };
yield return new object[] { DockStyle.Top, DockStyle.Top, 0 };
}
[WinFormsTheory]
[MemberData(nameof(Splitter_Dock_SetWithOldValueWithParent_TestData))]
public void Splitter_Dock_SetWithOldValueWithParent_GetReturnsExpected(DockStyle oldValue, DockStyle value, int expectedParentLayoutCallCount)
{
using Splitter parent = new();
using Splitter control = new()
{
Dock = oldValue,
Parent = parent
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentLayoutCallCount = 0;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Dock", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsTheory]
[InlineData(DockStyle.Left)]
[InlineData(DockStyle.Right)]
[InlineData(DockStyle.Top)]
[InlineData(DockStyle.Bottom)]
public void Splitter_Dock_SetWithHandle_GetReturnsExpected(DockStyle value)
{
using Splitter 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++;
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(3, control.Width);
Assert.Equal(3, control.Height);
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.None, control.Anchor);
Assert.Equal(3, control.Width);
Assert.Equal(3, control.Height);
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void Splitter_Dock_SetWithHandler_CallsDockChanged()
{
using Splitter control = new()
{
Dock = DockStyle.Bottom
};
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>]
[InlineData(DockStyle.None)]
[InlineData(DockStyle.Fill)]
public void Splitter_Dock_SetInvalid_ThrowsInvalidEnumArgumentException(DockStyle value)
{
using Splitter control = new();
Assert.Throws<ArgumentException>(() => control.Dock = value);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetFontTheoryData))]
public void Splitter_Font_Set_GetReturnsExpected(Font value)
{
using SubSplitter control = new()
{
Font = value
};
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.False(control.IsHandleCreated);
// Set same.
control.Font = value;
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void Splitter_Font_SetWithHandler_CallsFontChanged()
{
using Splitter control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.FontChanged += handler;
// Set different.
using Font font1 = new("Arial", 8.25f);
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(1, callCount);
// Set same.
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(1, callCount);
// Set different.
using var font2 = SystemFonts.DialogFont;
control.Font = font2;
Assert.Same(font2, control.Font);
Assert.Equal(2, callCount);
// Set null.
control.Font = null;
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(3, callCount);
// Remove handler.
control.FontChanged -= handler;
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(3, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetForeColorTheoryData))]
public void Splitter_ForeColor_Set_GetReturnsExpected(Color value, Color expected)
{
using Splitter control = new()
{
ForeColor = value
};
Assert.Equal(expected, control.ForeColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.ForeColor = value;
Assert.Equal(expected, control.ForeColor);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> ForeColor_SetWithHandle_TestData()
{
yield return new object[] { Color.Red, Color.Red, 1 };
yield return new object[] { Color.FromArgb(254, 1, 2, 3), Color.FromArgb(254, 1, 2, 3), 1 };
yield return new object[] { Color.Empty, Control.DefaultForeColor, 0 };
}
[WinFormsTheory]
[MemberData(nameof(ForeColor_SetWithHandle_TestData))]
public void Splitter_ForeColor_SetWithHandle_GetReturnsExpected(Color value, Color expected, int expectedInvalidatedCallCount)
{
using Splitter 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.ForeColor = value;
Assert.Equal(expected, control.ForeColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ForeColor = value;
Assert.Equal(expected, control.ForeColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void Splitter_ForeColor_SetWithHandler_CallsForeColorChanged()
{
using Splitter control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ForeColorChanged += handler;
// Set different.
control.ForeColor = Color.Red;
Assert.Equal(Color.Red, control.ForeColor);
Assert.Equal(1, callCount);
// Set same.
control.ForeColor = Color.Red;
Assert.Equal(Color.Red, control.ForeColor);
Assert.Equal(1, callCount);
// Set different.
control.ForeColor = Color.Empty;
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.Equal(2, callCount);
// Remove handler.
control.ForeColorChanged -= handler;
control.ForeColor = Color.Red;
Assert.Equal(Color.Red, control.ForeColor);
Assert.Equal(2, callCount);
}
public static IEnumerable<object[]> ImeMode_Set_TestData()
{
yield return new object[] { ImeMode.Inherit, ImeMode.NoControl };
yield return new object[] { ImeMode.NoControl, ImeMode.NoControl };
yield return new object[] { ImeMode.On, ImeMode.On };
yield return new object[] { ImeMode.Off, ImeMode.Off };
yield return new object[] { ImeMode.Disable, ImeMode.Disable };
yield return new object[] { ImeMode.Hiragana, ImeMode.Hiragana };
yield return new object[] { ImeMode.Katakana, ImeMode.Katakana };
yield return new object[] { ImeMode.KatakanaHalf, ImeMode.KatakanaHalf };
yield return new object[] { ImeMode.AlphaFull, ImeMode.AlphaFull };
yield return new object[] { ImeMode.Alpha, ImeMode.Alpha };
yield return new object[] { ImeMode.HangulFull, ImeMode.HangulFull };
yield return new object[] { ImeMode.Hangul, ImeMode.Hangul };
yield return new object[] { ImeMode.Close, ImeMode.Close };
yield return new object[] { ImeMode.OnHalf, ImeMode.On };
}
[WinFormsTheory]
[MemberData(nameof(ImeMode_Set_TestData))]
public void Splitter_ImeMode_Set_GetReturnsExpected(ImeMode value, ImeMode expected)
{
using Splitter control = new()
{
ImeMode = value
};
Assert.Equal(expected, control.ImeMode);
Assert.False(control.IsHandleCreated);
// Set same.
control.ImeMode = value;
Assert.Equal(expected, control.ImeMode);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ImeMode_Set_TestData))]
public void Splitter_ImeMode_SetWithHandle_GetReturnsExpected(ImeMode value, ImeMode expected)
{
using Splitter 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.ImeMode = value;
Assert.Equal(expected, control.ImeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ImeMode = value;
Assert.Equal(expected, control.ImeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void Splitter_ImeMode_SetWithHandler_CallsImeModeChanged()
{
using Splitter control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ImeModeChanged += handler;
// Set different.
control.ImeMode = ImeMode.On;
Assert.Equal(ImeMode.On, control.ImeMode);
Assert.Equal(0, callCount);
// Set same.
control.ImeMode = ImeMode.On;
Assert.Equal(ImeMode.On, control.ImeMode);
Assert.Equal(0, callCount);
// Set different.
control.ImeMode = ImeMode.Off;
Assert.Equal(ImeMode.Off, control.ImeMode);
Assert.Equal(0, callCount);
// Remove handler.
control.ImeModeChanged -= handler;
control.ImeMode = ImeMode.Off;
Assert.Equal(ImeMode.Off, control.ImeMode);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[InvalidEnumData<ImeMode>]
public void Splitter_ImeMode_SetInvalid_ThrowsInvalidEnumArgumentException(ImeMode value)
{
using Splitter control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.ImeMode = value);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(25, 25)]
[InlineData(50, 50)]
public void Splitter_MinExtra_Set_GetReturnsExpected(int value, int expected)
{
using Splitter control = new()
{
MinExtra = value
};
Assert.Equal(expected, control.MinExtra);
Assert.False(control.IsHandleCreated);
// Set same.
control.MinExtra = value;
Assert.Equal(expected, control.MinExtra);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(25, 25)]
[InlineData(50, 50)]
public void Splitter_MinExtra_SetWithHandle_GetReturnsExpected(int value, int expected)
{
using Splitter 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.MinExtra = value;
Assert.Equal(expected, control.MinExtra);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.MinExtra = value;
Assert.Equal(expected, control.MinExtra);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(25, 25)]
[InlineData(50, 50)]
public void Splitter_MinSize_Set_GetReturnsExpected(int value, int expected)
{
using Splitter control = new()
{
MinSize = value
};
Assert.Equal(expected, control.MinSize);
Assert.False(control.IsHandleCreated);
// Set same.
control.MinSize = value;
Assert.Equal(expected, control.MinSize);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(25, 25)]
[InlineData(50, 50)]
public void Splitter_MinSize_SetWithHandle_GetReturnsExpected(int value, int expected)
{
using Splitter 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.MinSize = value;
Assert.Equal(expected, control.MinSize);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.MinSize = value;
Assert.Equal(expected, control.MinSize);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> SplitPosition_Set_TestData()
{
yield return new object[] { DockStyle.Right, -2 };
yield return new object[] { DockStyle.Right, 1 };
yield return new object[] { DockStyle.Right, 0 };
yield return new object[] { DockStyle.Right, 25 };
yield return new object[] { DockStyle.Left, -2 };
yield return new object[] { DockStyle.Left, 1 };
yield return new object[] { DockStyle.Left, 0 };
yield return new object[] { DockStyle.Left, 25 };
yield return new object[] { DockStyle.Top, -2 };
yield return new object[] { DockStyle.Top, 1 };
yield return new object[] { DockStyle.Top, 0 };
yield return new object[] { DockStyle.Top, 25 };
yield return new object[] { DockStyle.Bottom, -2 };
yield return new object[] { DockStyle.Bottom, 1 };
yield return new object[] { DockStyle.Bottom, 0 };
yield return new object[] { DockStyle.Bottom, 25 };
}
[WinFormsTheory]
[MemberData(nameof(SplitPosition_Set_TestData))]
public void Splitter_SplitPosition_Set_GetReturnsExpected(DockStyle dock, int value)
{
using Splitter control = new()
{
Dock = dock
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(SplitPosition_Set_TestData))]
public void Splitter_SplitPosition_SetWithParent_GetReturnsExpected(DockStyle dock, int value)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Splitter control = new()
{
Parent = parent,
Dock = dock
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
public static IEnumerable<object[]> SplitPosition_SetWithParentNoChild_TestData()
{
foreach (DockStyle childDock in Enum.GetValues(typeof(DockStyle)))
{
yield return new object[] { childDock, DockStyle.Right, -2 };
yield return new object[] { childDock, DockStyle.Right, 1 };
yield return new object[] { childDock, DockStyle.Right, 0 };
yield return new object[] { childDock, DockStyle.Right, 25 };
yield return new object[] { childDock, DockStyle.Left, -2 };
yield return new object[] { childDock, DockStyle.Left, 1 };
yield return new object[] { childDock, DockStyle.Left, 0 };
yield return new object[] { childDock, DockStyle.Left, 25 };
yield return new object[] { childDock, DockStyle.Top, -2 };
yield return new object[] { childDock, DockStyle.Top, 1 };
yield return new object[] { childDock, DockStyle.Top, 0 };
yield return new object[] { childDock, DockStyle.Top, 25 };
yield return new object[] { childDock, DockStyle.Bottom, -2 };
yield return new object[] { childDock, DockStyle.Bottom, 1 };
yield return new object[] { childDock, DockStyle.Bottom, 0 };
yield return new object[] { childDock, DockStyle.Bottom, 25 };
}
}
[WinFormsTheory]
[MemberData(nameof(SplitPosition_SetWithParentNoChild_TestData))]
public void Splitter_SplitPosition_SetWithParentNoChild_GetReturnsExpected(DockStyle childDock, DockStyle dock, int value)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Control child = new()
{
Parent = parent,
Dock = childDock,
Bounds = new Rectangle(10, 10, 50, 50)
};
using Splitter control = new()
{
Parent = parent,
Dock = dock,
Location = new Point(50, 0)
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
Assert.False(child.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
Assert.False(child.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-2, 25)]
[InlineData(-1, 25)]
[InlineData(0, 25)]
[InlineData(25, 25)]
[InlineData(40, 40)]
[InlineData(50, 50)]
[InlineData(100, 72)]
[InlineData(110, 72)]
public void Splitter_SplitPosition_SetWithParentLeftChild_GetReturnsExpected(int value, int expected)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Control child = new()
{
Parent = parent,
Bounds = new Rectangle(0, 0, 0, 100)
};
using Splitter control = new()
{
Parent = parent,
Dock = DockStyle.Left,
Bounds = new Rectangle(50, 0, 3, 3)
};
Assert.Equal(child.Right, control.Left);
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(expected, control.SplitPosition);
Assert.False(control.IsHandleCreated);
Assert.False(child.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.False(control.IsHandleCreated);
Assert.False(child.IsHandleCreated);
Assert.False(parent.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(SplitPosition_Set_TestData))]
public void Splitter_SplitPosition_SetWithHandle_GetReturnsExpected(DockStyle dock, int value)
{
using Splitter control = new()
{
Dock = dock
};
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 layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[MemberData(nameof(SplitPosition_Set_TestData))]
public void Splitter_SplitPosition_SetWithParentHandle_GetReturnsExpected(DockStyle dock, int value)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Splitter control = new()
{
Parent = parent,
Dock = dock
};
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 layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(-2, 25)]
[InlineData(-1, 25)]
[InlineData(0, 25)]
[InlineData(25, 25)]
[InlineData(40, 40)]
[InlineData(50, 50)]
[InlineData(100, 72)]
[InlineData(110, 72)]
public void Splitter_SplitPosition_SetWithParentLeftChildWithHandle_GetReturnsExpected(int value, int expected)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Control child = new()
{
Parent = parent,
Bounds = new Rectangle(0, 0, 0, 100)
};
using Splitter control = new()
{
Parent = parent,
Dock = DockStyle.Left,
Bounds = new Rectangle(50, 0, 3, 3)
};
Assert.Equal(child.Right, control.Left);
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
parent.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
parent.HandleCreated += (sender, e) => createdCallCount++;
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.SplitPosition = value;
Assert.Equal(expected, control.SplitPosition);
Assert.True(control.IsHandleCreated);
Assert.True(child.IsHandleCreated);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.SplitPosition = value;
Assert.Equal(-1, control.SplitPosition);
Assert.True(control.IsHandleCreated);
Assert.True(child.IsHandleCreated);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void Splitter_SplitPosition_SetWithHandler_DoesNotCallsSplitterMoved()
{
using Splitter control = new()
{
SplitPosition = 0
};
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int callCount = 0;
SplitterEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Equal(control.Left, e.X);
Assert.Equal(control.Top, e.Y);
Assert.Equal(control.Left + control.Bounds.Width / 2, e.SplitX);
Assert.Equal(control.Top + control.Bounds.Height / 2, e.SplitY);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.SplitterMoved += handler;
// Set different.
control.SplitPosition = 1;
Assert.Equal(-1, control.SplitPosition);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, callCount);
// Set same.
control.SplitPosition = 1;
Assert.Equal(-1, control.SplitPosition);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, callCount);
// Set different.
control.SplitPosition = 2;
Assert.Equal(-1, control.SplitPosition);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, callCount);
// Remove handler.
control.SplitterMoved -= handler;
control.SplitPosition = 1;
Assert.Equal(-1, control.SplitPosition);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[BoolData]
public void Splitter_TabStop_Set_GetReturnsExpected(bool value)
{
using Splitter 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 Splitter_TabStop_SetWithHandle_GetReturnsExpected(bool value)
{
using Splitter 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 Splitter_TabStop_SetWithHandler_CallsTabStopChanged()
{
using Splitter 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 Splitter_Text_Set_GetReturnsExpected(string value, string expected)
{
using Splitter 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 Splitter_Text_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using Splitter 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);
}
[WinFormsFact]
public void Splitter_Text_SetWithHandler_CallsTextChanged()
{
using Splitter 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.Same("text", control.Text);
Assert.Equal(1, callCount);
// Set same.
control.Text = "text";
Assert.Same("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.Same("text", control.Text);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void Splitter_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using SubSplitter control = new();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}
[WinFormsTheory]
[InlineData(ControlStyles.ContainerControl, false)]
[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, false)]
[InlineData(ControlStyles.StandardDoubleClick, true)]
[InlineData(ControlStyles.AllPaintingInWmPaint, true)]
[InlineData(ControlStyles.CacheText, false)]
[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 Splitter_GetStyle_Invoke_ReturnsExpected(ControlStyles flag, bool expected)
{
using SubSplitter control = new();
Assert.Equal(expected, control.GetStyle(flag));
// Call again to test caching.
Assert.Equal(expected, control.GetStyle(flag));
}
[WinFormsFact]
public void Splitter_GetTopLevel_Invoke_ReturnsExpected()
{
using SubSplitter control = new();
Assert.False(control.GetTopLevel());
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void Splitter_OnEnter_Invoke_CallsEnter(EventArgs eventArgs)
{
using SubSplitter 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(1, callCount);
// Remove handler.
control.Enter -= handler;
control.OnEnter(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void Splitter_OnHandleCreated_Invoke_CallsHandleCreated(EventArgs eventArgs)
{
using SubSplitter control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void Splitter_OnHandleCreated_InvokeWithHandle_CallsHandleCreated(EventArgs eventArgs)
{
using SubSplitter control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void Splitter_OnHandleDestroyed_Invoke_CallsHandleDestroyed(EventArgs eventArgs)
{
using SubSplitter control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleDestroyed += handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.HandleDestroyed -= handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void Splitter_OnHandleDestroyed_InvokeWithHandle_CallsHandleDestroyed(EventArgs eventArgs)
{
using SubSplitter 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++;
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleDestroyed += handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.HandleDestroyed -= handler;
control.OnHandleDestroyed(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> KeyEventArgs_TestData()
{
yield return new object[] { new KeyEventArgs(Keys.None) };
yield return new object[] { new KeyEventArgs(Keys.Cancel) };
yield return new object[] { new KeyEventArgs(Keys.Escape) };
}
[WinFormsTheory]
[MemberData(nameof(KeyEventArgs_TestData))]
public void Splitter_OnKeyDown_Invoke_CallsKeyDown(KeyEventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
KeyEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.KeyDown += handler;
control.OnKeyDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
// Remove handler.
control.KeyDown -= handler;
control.OnKeyDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetKeyPressEventArgsTheoryData))]
public void Splitter_OnKeyPress_Invoke_CallsKeyPress(KeyPressEventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
KeyPressEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.KeyPress += handler;
control.OnKeyPress(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
// Remove handler.
control.KeyPress -= handler;
control.OnKeyPress(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
}
[WinFormsTheory]
[MemberData(nameof(KeyEventArgs_TestData))]
public void Splitter_OnKeyUp_Invoke_CallsKeyUp(KeyEventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
KeyEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.KeyUp += handler;
control.OnKeyUp(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
// Remove handler.
control.KeyUp -= handler;
control.OnKeyUp(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void Splitter_OnLeave_Invoke_CallsLeave(EventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
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(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
// Remove handler.
control.Leave -= handler;
control.OnLeave(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
}
public static IEnumerable<object[]> OnMouseDown_TestData()
{
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 0, 2, 3, 4) };
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 1, 2, 3, 4) };
yield return new object[] { new MouseEventArgs(MouseButtons.Middle, 1, 2, 3, 4) };
yield return new object[] { new HandledMouseEventArgs(MouseButtons.Left, 1, 2, 3, 4) };
}
[WinFormsTheory]
[MemberData(nameof(OnMouseDown_TestData))]
public void Splitter_OnMouseDown_Invoke_CallsMouseDown(MouseEventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDown += handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.MouseDown -= handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> OnMouseDown_WithTarget_TestData()
{
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 0, 2, 3, 4), false };
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 1, 2, 3, 4), true };
yield return new object[] { new MouseEventArgs(MouseButtons.Middle, 1, 2, 3, 4), false };
yield return new object[] { new HandledMouseEventArgs(MouseButtons.Left, 1, 2, 3, 4), true };
}
[WinFormsTheory]
[MemberData(nameof(OnMouseDown_WithTarget_TestData))]
public void Splitter_OnMouseDown_InvokeWithTarget_CallsMouseDown(MouseEventArgs eventArgs, bool expectedIsHandleCreated)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Control child = new()
{
Parent = parent,
Bounds = new Rectangle(0, 0, 0, 100)
};
using SubSplitter control = new()
{
Parent = parent,
Dock = DockStyle.Left,
Bounds = new Rectangle(50, 0, 3, 3)
};
Assert.Equal(child.Right, control.Left);
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDown += handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.Equal(expectedIsHandleCreated, control.IsHandleCreated);
Assert.Equal(expectedIsHandleCreated, child.IsHandleCreated);
Assert.Equal(expectedIsHandleCreated, parent.IsHandleCreated);
// Remove handler.
control.MouseDown -= handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.Equal(expectedIsHandleCreated, control.IsHandleCreated);
Assert.Equal(expectedIsHandleCreated, child.IsHandleCreated);
Assert.Equal(expectedIsHandleCreated, parent.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(OnMouseDown_TestData))]
public void Splitter_OnMouseDown_InvokeWithHandle_CallsMouseDown(MouseEventArgs eventArgs)
{
using SubSplitter 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++;
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDown += handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.MouseDown -= handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[MemberData(nameof(OnMouseDown_TestData))]
public void Splitter_OnMouseDown_InvokeWithTargetWithHandle_CallsMouseDown(MouseEventArgs eventArgs)
{
using Control parent = new()
{
Width = 100,
Height = 100
};
using Control child = new()
{
Parent = parent,
Bounds = new Rectangle(0, 0, 0, 100)
};
using SubSplitter control = new()
{
Parent = parent,
Dock = DockStyle.Left,
Bounds = new Rectangle(50, 0, 3, 3)
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
parent.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
parent.HandleCreated += (sender, e) => createdCallCount++;
Assert.Equal(child.Right, control.Left);
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDown += handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.True(control.IsHandleCreated);
Assert.True(child.IsHandleCreated);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.MouseDown -= handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
Assert.True(control.IsHandleCreated);
Assert.True(child.IsHandleCreated);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void Splitter_OnMouseDown_NullE_ThrowsNullReferenceException()
{
using SubSplitter control = new();
Assert.Throws<NullReferenceException>(() => control.OnMouseDown(null));
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void Splitter_OnMouseMove_Invoke_CallsMouseMove(MouseEventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseMove += handler;
control.OnMouseMove(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
// Remove handler.
control.MouseMove -= handler;
control.OnMouseMove(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void Splitter_OnMouseUp_Invoke_CallsMouseUp(MouseEventArgs eventArgs)
{
using SubSplitter control = new();
int splitterMovingCallCount = 0;
control.SplitterMoving += (sender, e) => splitterMovingCallCount++;
int splitterMovedCallCount = 0;
control.SplitterMoved += (sender, e) => splitterMovedCallCount++;
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseUp += handler;
control.OnMouseUp(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
// Remove handler.
control.MouseUp -= handler;
control.OnMouseUp(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(0, splitterMovingCallCount);
Assert.Equal(0, splitterMovedCallCount);
}
public static IEnumerable<object[]> SplitterEventArgs_TestData()
{
yield return new object[] { null };
yield return new object[] { new SplitterEventArgs(0, 0, 0, 0) };
}
[WinFormsTheory]
[MemberData(nameof(SplitterEventArgs_TestData))]
public void Splitter_OnSplitterMoved_Invoke_CallsSplitterMoved(SplitterEventArgs eventArgs)
{
using SubSplitter control = new();
int callCount = 0;
SplitterEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.SplitterMoved += handler;
control.OnSplitterMoved(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.SplitterMoved -= handler;
control.OnSplitterMoved(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[MemberData(nameof(SplitterEventArgs_TestData))]
public void Splitter_OnSplitterMoving_Invoke_CallsSplitterMoving(SplitterEventArgs eventArgs)
{
using SubSplitter control = new();
int callCount = 0;
SplitterEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.SplitterMoving += handler;
control.OnSplitterMoving(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.SplitterMoving -= handler;
control.OnSplitterMoving(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsFact]
public void Control_ToString_Invoke_ReturnsExpected()
{
using Splitter control = new();
Assert.Equal("System.Windows.Forms.Splitter, MinExtra: 25, MinSize: 25", control.ToString());
}
private class SubSplitter : Splitter
{
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 ResizeRedraw
{
get => base.ResizeRedraw;
set => base.ResizeRedraw = value;
}
public new bool ShowFocusCues => base.ShowFocusCues;
public new bool ShowKeyboardCues => base.ShowKeyboardCues;
public new AutoSizeMode GetAutoSizeMode() => base.GetAutoSizeMode();
public new bool GetStyle(ControlStyles flag) => base.GetStyle(flag);
public new bool GetTopLevel() => base.GetTopLevel();
public new void OnEnter(EventArgs e) => base.OnEnter(e);
public new void OnHandleCreated(EventArgs e) => base.OnHandleCreated(e);
public new void OnHandleDestroyed(EventArgs e) => base.OnHandleDestroyed(e);
public new void OnKeyDown(KeyEventArgs e) => base.OnKeyDown(e);
public new void OnKeyPress(KeyPressEventArgs e) => base.OnKeyPress(e);
public new void OnKeyUp(KeyEventArgs e) => base.OnKeyUp(e);
public new void OnLeave(EventArgs e) => base.OnLeave(e);
public new void OnMouseDown(MouseEventArgs e) => base.OnMouseDown(e);
public new void OnMouseMove(MouseEventArgs e) => base.OnMouseMove(e);
public new void OnMouseUp(MouseEventArgs e) => base.OnMouseUp(e);
public new void OnSplitterMoved(SplitterEventArgs sevent) => base.OnSplitterMoved(sevent);
public new void OnSplitterMoving(SplitterEventArgs sevent) => base.OnSplitterMoving(sevent);
}
}
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