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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.Layout;
using System.Windows.Forms.TestUtilities;
using Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class GroupBoxTests
{
[WinFormsFact]
public void GroupBox_Ctor_Default()
{
using SubGroupBox 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.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(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 Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), 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.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(new Padding(3), control.DefaultPadding);
Assert.Equal(new Size(200, 100), control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.DoubleBuffered);
Assert.True(control.Enabled);
Assert.NotNull(control.Events);
Assert.Same(control.Events, control.Events);
Assert.Equal(FlatStyle.Standard, control.FlatStyle);
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.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(new Padding(3), control.Padding);
Assert.Null(control.Parent);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.Equal(new Size(6, 6 + Control.DefaultFont.Height), control.PreferredSize);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.True(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.True(control.UseCompatibleTextRendering);
Assert.False(control.UseWaitCursor);
Assert.True(control.Visible);
Assert.Equal(200, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void GroupBox_CreateParams_GetDefault_ReturnsExpected()
{
using SubGroupBox 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]
[InlineData(FlatStyle.Flat, null, 0x56000000)]
[InlineData(FlatStyle.Popup, null, 0x56000000)]
[InlineData(FlatStyle.Standard, null, 0x56000000)]
[InlineData(FlatStyle.System, "Button", 0x56000007)]
public void GroupBox_CreateParams_GetFlatStyle_ReturnsExpected(FlatStyle flatStyle, string expectedClassName, int expectedStyle)
{
using SubGroupBox control = new()
{
FlatStyle = flatStyle
};
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal(expectedClassName, 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(expectedStyle, 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]
[BoolData]
public void ProgressBar_AllowDrop_Set_GetReturnsExpected(bool value)
{
using GroupBox 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]
[BoolData]
public void GroupBox_AutoSize_Set_GetReturnsExpected(bool value)
{
using GroupBox 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 GroupBox_AutoSize_SetWithHandler_CallsAutoSizeChanged()
{
using GroupBox 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>]
public void GroupBox_AutoSizeMode_Set_GetReturnsExpected(AutoSizeMode value)
{
using SubGroupBox control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
}
[WinFormsTheory]
[InlineData(AutoSizeMode.GrowAndShrink, 1)]
[InlineData(AutoSizeMode.GrowOnly, 0)]
public void GroupBox_AutoSizeMode_SetWithParent_GetReturnsExpected(AutoSizeMode value, int expectedLayoutCallCount)
{
using Control parent = new();
using SubGroupBox 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("AutoSize", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsTheory]
[InlineData(AutoSizeMode.GrowAndShrink, 1)]
[InlineData(AutoSizeMode.GrowOnly, 0)]
public void GroupBox_AutoSizeMode_SetWithCustomLayoutEngineParent_GetReturnsExpected(AutoSizeMode value, int expectedLayoutCallCount)
{
using CustomLayoutEngineControl parent = new();
using SubGroupBox control = new()
{
Parent = parent
};
parent.SetLayoutEngine(new SubLayoutEngine());
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("AutoSize", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
private class CustomLayoutEngineControl : Control
{
private LayoutEngine _layoutEngine;
public CustomLayoutEngineControl()
{
_layoutEngine = base.LayoutEngine;
}
public void SetLayoutEngine(LayoutEngine layoutEngine)
{
_layoutEngine = layoutEngine;
}
public override LayoutEngine LayoutEngine => _layoutEngine;
}
private class SubLayoutEngine : LayoutEngine
{
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
public void GroupBox_AutoSizeMode_SetWithHandle_GetReturnsExpected(AutoSizeMode value)
{
using SubGroupBox 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(value, control.AutoSizeMode);
Assert.Equal(value, 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(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(AutoSizeMode.GrowAndShrink, 1)]
[InlineData(AutoSizeMode.GrowOnly, 0)]
public void GroupBox_AutoSizeMode_SetWithParentWithHandle_GetReturnsExpected(AutoSizeMode value, int expectedLayoutCallCount)
{
using Control parent = new();
using SubGroupBox 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("AutoSize", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
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++;
try
{
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
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.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
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(AutoSizeMode.GrowAndShrink, 1)]
[InlineData(AutoSizeMode.GrowOnly, 0)]
public void GroupBox_AutoSizeMode_SetWithCustomLayoutEngineParentWithHandle_GetReturnsExpected(AutoSizeMode value, int expectedLayoutCallCount)
{
using CustomLayoutEngineControl parent = new();
using SubGroupBox 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("AutoSize", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
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++;
try
{
control.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
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.AutoSizeMode = value;
Assert.Equal(value, control.AutoSizeMode);
Assert.Equal(value, control.GetAutoSizeMode());
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, parentLayoutCallCount);
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]
[InvalidEnumData<AutoSizeMode>]
public void GroupBox_AutoSizeMode_SetInvalid_ThrowsInvalidEnumArgumentException(AutoSizeMode value)
{
using GroupBox control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.AutoSizeMode = value);
}
[WinFormsFact]
public void GroupBox_DisplayRectangle_Get_ReturnsExpected()
{
using GroupBox control = new();
Rectangle result = control.DisplayRectangle;
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
Assert.Equal(result, control.DisplayRectangle);
}
[WinFormsFact]
public void GroupBox_DisplayRectangle_GetWithCustomFontSetAfterCallingDisplayRectangle_ReturnsExpected()
{
using Font font = new("Arial", 8.25f);
using GroupBox control = new();
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
control.Font = font;
Rectangle result = control.DisplayRectangle;
Assert.Equal(new Rectangle(3, font.Height + 3, 194, 94 - font.Height), control.DisplayRectangle);
Assert.Equal(result, control.DisplayRectangle);
}
[WinFormsFact]
public void GroupBox_DisplayRectangle_GetWithCustomFontSetBeforeCallingDisplayRectangle_ReturnsExpected()
{
using Font font = new("Arial", 8.25f);
using GroupBox control = new()
{
Font = font
};
Rectangle result = control.DisplayRectangle;
Assert.Equal(new Rectangle(3, font.Height + 3, 194, 94 - font.Height), control.DisplayRectangle);
Assert.Equal(result, control.DisplayRectangle);
}
[WinFormsFact]
public void GroupBox_FontPropertyChange_UpdatesFontHeightAndCachedFont()
{
using GroupBox groupBox = new();
var originalFont = groupBox.Font;
using Font newFont = new(originalFont.FontFamily, originalFont.Size + 5, originalFont.Style);
groupBox.Font = newFont;
Rectangle result = groupBox.DisplayRectangle;
var accessor = groupBox.TestAccessor();
int updatedFontHeight = accessor.Dynamic._fontHeight;
Font updatedCachedFont = accessor.Dynamic._cachedFont;
updatedFontHeight.Should().Be(newFont.Height);
updatedCachedFont.Should().BeEquivalentTo(newFont);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat, true, true, true)]
[InlineData(FlatStyle.Popup, true, true, true)]
[InlineData(FlatStyle.Standard, false, true, false)]
[InlineData(FlatStyle.System, true, false, false)]
public void GroupBox_FlatStyle_Set_GetReturnsExpected(FlatStyle value, bool containerControl, bool ownerDraw, bool userMouse)
{
using SubGroupBox control = new();
control.SetStyle(ControlStyles.ContainerControl, false);
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.False(control.IsHandleCreated);
// Set same.
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat, FlatStyle.Flat, false, true, true)]
[InlineData(FlatStyle.Flat, FlatStyle.Popup, true, true, true)]
[InlineData(FlatStyle.Flat, FlatStyle.Standard, true, true, true)]
[InlineData(FlatStyle.Flat, FlatStyle.System, true, false, false)]
[InlineData(FlatStyle.Popup, FlatStyle.Flat, true, true, true)]
[InlineData(FlatStyle.Popup, FlatStyle.Popup, false, true, true)]
[InlineData(FlatStyle.Popup, FlatStyle.Standard, true, true, true)]
[InlineData(FlatStyle.Popup, FlatStyle.System, true, false, false)]
[InlineData(FlatStyle.Standard, FlatStyle.Flat, true, true, true)]
[InlineData(FlatStyle.Standard, FlatStyle.Popup, true, true, true)]
[InlineData(FlatStyle.Standard, FlatStyle.Standard, false, true, false)]
[InlineData(FlatStyle.Standard, FlatStyle.System, true, false, false)]
[InlineData(FlatStyle.System, FlatStyle.Flat, true, true, true)]
[InlineData(FlatStyle.System, FlatStyle.Popup, true, true, true)]
[InlineData(FlatStyle.System, FlatStyle.Standard, true, true, true)]
[InlineData(FlatStyle.System, FlatStyle.System, false, false, false)]
public void GroupBox_FlatStyle_SetWithCustomOldValue_GetReturnsExpected(FlatStyle oldValue, FlatStyle value, bool containerControl, bool ownerDraw, bool userMouse)
{
using SubGroupBox control = new()
{
FlatStyle = oldValue
};
control.SetStyle(ControlStyles.ContainerControl, false);
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.False(control.IsHandleCreated);
// Set same.
control.FlatStyle = value;
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.Equal(value, control.FlatStyle);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat, true, true, true, 1, 0)]
[InlineData(FlatStyle.Popup, true, true, true, 1, 0)]
[InlineData(FlatStyle.Standard, false, true, false, 0, 0)]
[InlineData(FlatStyle.System, true, false, false, 0, 1)]
public void GroupBox_FlatStyle_VisualStyles_off_SetWithHandle_GetReturnsExpected(FlatStyle value, bool containerControl, bool ownerDraw, bool userMouse, int expectedInvalidatedCallCount, int expectedCreatedCallCount)
{
if (Application.UseVisualStyles)
{
return;
}
using SubGroupBox 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.SetStyle(ControlStyles.ContainerControl, false);
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat, true, true, true, 1, 0)]
[InlineData(FlatStyle.Popup, true, true, true, 1, 0)]
[InlineData(FlatStyle.Standard, false, true, false, 0, 0)]
[InlineData(FlatStyle.System, true, false, false, 1, 1)]
public void GroupBox_FlatStyle_VisualStyles_on_SetWithHandle_GetReturnsExpected(
FlatStyle value,
bool containerControl,
bool ownerDraw,
bool userMouse,
int expectedInvalidatedCallCount,
int expectedCreatedCallCount)
{
if (!Application.UseVisualStyles)
{
return;
}
using SubGroupBox 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.SetStyle(ControlStyles.ContainerControl, false);
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat, FlatStyle.Flat, false, true, true, 0, 0)]
[InlineData(FlatStyle.Flat, FlatStyle.Popup, true, true, true, 1, 0)]
[InlineData(FlatStyle.Flat, FlatStyle.Standard, true, true, true, 1, 0)]
[InlineData(FlatStyle.Flat, FlatStyle.System, true, false, false, 0, 1)]
[InlineData(FlatStyle.Popup, FlatStyle.Flat, true, true, true, 1, 0)]
[InlineData(FlatStyle.Popup, FlatStyle.Popup, false, true, true, 0, 0)]
[InlineData(FlatStyle.Popup, FlatStyle.Standard, true, true, true, 1, 0)]
[InlineData(FlatStyle.Popup, FlatStyle.System, true, false, false, 0, 1)]
[InlineData(FlatStyle.Standard, FlatStyle.Flat, true, true, true, 1, 0)]
[InlineData(FlatStyle.Standard, FlatStyle.Popup, true, true, true, 1, 0)]
[InlineData(FlatStyle.Standard, FlatStyle.Standard, false, true, false, 0, 0)]
[InlineData(FlatStyle.Standard, FlatStyle.System, true, false, false, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.Flat, true, true, true, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.Popup, true, true, true, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.Standard, true, true, true, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.System, false, false, false, 0, 0)]
public void GroupBox_FlatStyle_VisualStyles_off_SetWithCustomOldValueWithHandle_GetReturnsExpected(FlatStyle oldValue, FlatStyle value, bool containerControl, bool ownerDraw, bool userMouse, int expectedInvalidatedCallCount, int expectedCreatedCallCount)
{
if (Application.UseVisualStyles)
{
return;
}
using SubGroupBox control = new()
{
FlatStyle = oldValue
};
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.SetStyle(ControlStyles.ContainerControl, false);
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat, FlatStyle.Flat, false, true, true, 0, 0)]
[InlineData(FlatStyle.Flat, FlatStyle.Popup, true, true, true, 1, 0)]
[InlineData(FlatStyle.Flat, FlatStyle.Standard, true, true, true, 1, 0)]
[InlineData(FlatStyle.Flat, FlatStyle.System, true, false, false, 0, 1)]
[InlineData(FlatStyle.Popup, FlatStyle.Flat, true, true, true, 1, 0)]
[InlineData(FlatStyle.Popup, FlatStyle.Popup, false, true, true, 0, 0)]
[InlineData(FlatStyle.Popup, FlatStyle.Standard, true, true, true, 1, 0)]
[InlineData(FlatStyle.Popup, FlatStyle.System, true, false, false, 0, 1)]
[InlineData(FlatStyle.Standard, FlatStyle.Flat, true, true, true, 1, 0)]
[InlineData(FlatStyle.Standard, FlatStyle.Popup, true, true, true, 1, 0)]
[InlineData(FlatStyle.Standard, FlatStyle.Standard, false, true, false, 0, 0)]
[InlineData(FlatStyle.Standard, FlatStyle.System, true, false, false, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.Flat, true, true, true, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.Popup, true, true, true, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.Standard, true, true, true, 0, 1)]
[InlineData(FlatStyle.System, FlatStyle.System, false, false, false, 0, 0)]
public void GroupBox_FlatStyle_VisualStyles_on_SetWithCustomOldValue_GetReturnsExpected(FlatStyle oldValue, FlatStyle value, bool containerControl, bool ownerDraw, bool userMouse, int expectedInvalidatedCallCount, int expectedCreatedCallCount)
{
if (!Application.UseVisualStyles)
{
return;
}
using SubGroupBox control = new()
{
FlatStyle = oldValue
};
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.SetStyle(ControlStyles.ContainerControl, false);
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.True(invalidatedCallCount >= expectedInvalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.FlatStyle = value;
Assert.Equal(value, control.FlatStyle);
Assert.Equal(containerControl, control.GetStyle(ControlStyles.ContainerControl));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.SupportsTransparentBackColor));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.UserPaint));
Assert.Equal(ownerDraw, control.GetStyle(ControlStyles.ResizeRedraw));
Assert.Equal(userMouse, control.GetStyle(ControlStyles.UserMouse));
Assert.True(control.IsHandleCreated);
Assert.True(invalidatedCallCount >= expectedInvalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
[WinFormsFact]
public void GroupBox_PreferredSize_GetWithChildrenSimple_ReturnsExpected()
{
using GroupBox control = new();
using Control child = new()
{
Size = new Size(16, 20)
};
control.Controls.Add(child);
Assert.Equal(new Size(22, 25), control.PreferredSize);
}
[WinFormsFact]
public void GroupBox_PreferredSize_GetWithBorder_ReturnsExpected()
{
using BorderedGroupBox control = new()
{
Padding = new Padding(1, 2, 3, 4)
};
Assert.Equal(new Size(8, 9), control.PreferredSize);
}
private class BorderedGroupBox : GroupBox
{
protected override CreateParams CreateParams
{
get
{
CreateParams cp = base.CreateParams;
cp.Style |= (int)WINDOW_STYLE.WS_BORDER;
cp.ExStyle |= (int)WINDOW_EX_STYLE.WS_EX_STATICEDGE;
return cp;
}
}
}
[WinFormsTheory]
[BoolData]
public void GroupBox_TabStop_Set_GetReturnsExpected(bool value)
{
using GroupBox 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 GroupBox_TabStop_SetWithHandle_GetReturnsExpected(bool value)
{
using GroupBox 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 GroupBox_TabStop_SetWithHandler_CallsTabStopChanged()
{
using GroupBox 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 GroupBox_Text_Set_GetReturnsExpected(string value, string expected)
{
using GroupBox 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 GroupBox_Text_SetInvisible_GetReturnsExpected(string value, string expected)
{
using GroupBox control = new()
{
Visible = false,
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 GroupBox_Text_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using GroupBox 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(1, 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(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[NormalizedStringData]
public void GroupBox_Text_SetInvisibleWithHandle_GetReturnsExpected(string value, string expected)
{
using GroupBox control = new()
{
Visible = false
};
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(1, 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(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void GroupBox_Text_SetWithHandler_CallsTextChanged()
{
using GroupBox 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]
[InlineData(true, true)]
[InlineData(true, false)]
[InlineData(false, true)]
[InlineData(false, false)]
public void GroupBox_UseCompatibleTextRendering_Set_GetReturnsExpected(bool autoSize, bool value)
{
using GroupBox control = new()
{
AutoSize = autoSize,
UseCompatibleTextRendering = value
};
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.False(control.IsHandleCreated);
// Set same.
control.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.False(control.IsHandleCreated);
// Set different.
control.UseCompatibleTextRendering = !value;
Assert.Equal(!value, control.UseCompatibleTextRendering);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(true, true, 0, 1)]
[InlineData(true, false, 1, 2)]
[InlineData(false, true, 0, 0)]
[InlineData(false, false, 0, 0)]
public void GroupBox_UseCompatibleTextRendering_SetWithParent_GetReturnsExpected(bool autoSize, bool value, int expectedParentLayoutCallCount1, int expectedParentLayoutCallCount2)
{
using Control parent = new();
using GroupBox control = new()
{
AutoSize = autoSize,
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("UseCompatibleTextRendering", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount1, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount1, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
// Set different.
control.UseCompatibleTextRendering = !value;
Assert.Equal(!value, control.UseCompatibleTextRendering);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount2, parentLayoutCallCount);
Assert.False(control.IsHandleCreated);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsTheory]
[InlineData(true, true, 0)]
[InlineData(true, false, 1)]
[InlineData(false, true, 0)]
[InlineData(false, false, 1)]
public void GroupBox_UseCompatibleTextRendering_SetWithHandle_GetReturnsExpected(bool autoSize, bool value, int expectedInvalidatedCallCount)
{
using GroupBox control = new()
{
AutoSize = autoSize
};
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.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.UseCompatibleTextRendering = !value;
Assert.Equal(!value, control.UseCompatibleTextRendering);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount + 1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InlineData(true, true, 0, 0, 1)]
[InlineData(true, false, 1, 1, 2)]
[InlineData(false, true, 0, 0, 0)]
[InlineData(false, false, 1, 0, 0)]
public void GroupBox_UseCompatibleTextRendering_SetWithParentWithHandle_GetReturnsExpected(bool autoSize, bool value, int expectedInvalidatedCallCount, int expectedParentLayoutCallCount1, int expectedParentLayoutCallCount2)
{
using Control parent = new();
using GroupBox control = new()
{
AutoSize = autoSize,
Parent = parent
};
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++;
int parentLayoutCallCount = 0;
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("UseCompatibleTextRendering", e.AffectedProperty);
parentLayoutCallCount++;
}
parent.Layout += parentHandler;
try
{
control.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount1, parentLayoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.UseCompatibleTextRendering = value;
Assert.Equal(value, control.UseCompatibleTextRendering);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount1, parentLayoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.UseCompatibleTextRendering = !value;
Assert.Equal(!value, control.UseCompatibleTextRendering);
Assert.Equal(0, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount2, parentLayoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount + 1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsFact]
public void GroupBox_CreateAccessibilityInstance_Invoke_ReturnsExpected()
{
using SubGroupBox control = new();
Control.ControlAccessibleObject instance = Assert.IsAssignableFrom<Control.ControlAccessibleObject>(control.CreateAccessibilityInstance());
Assert.NotNull(instance);
Assert.Same(control, instance.Owner);
Assert.Equal(AccessibleRole.Grouping, instance.Role);
Assert.NotSame(control.CreateAccessibilityInstance(), instance);
Assert.NotSame(control.AccessibilityObject, instance);
}
[WinFormsFact]
public void GroupBox_CreateAccessibilityInstance_InvokeWithCustomRole_ReturnsExpected()
{
using SubGroupBox control = new()
{
AccessibleRole = AccessibleRole.HelpBalloon
};
Control.ControlAccessibleObject instance = Assert.IsAssignableFrom<Control.ControlAccessibleObject>(control.CreateAccessibilityInstance());
Assert.NotNull(instance);
Assert.Same(control, instance.Owner);
Assert.Equal(AccessibleRole.HelpBalloon, instance.Role);
Assert.NotSame(control.CreateAccessibilityInstance(), instance);
Assert.NotSame(control.AccessibilityObject, instance);
}
[WinFormsFact]
public void GroupBox_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using SubGroupBox control = new();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}
[WinFormsTheory]
[InlineData(ControlStyles.ContainerControl, true)]
[InlineData(ControlStyles.UserPaint, true)]
[InlineData(ControlStyles.Opaque, false)]
[InlineData(ControlStyles.ResizeRedraw, true)]
[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, 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 GroupBox_GetStyle_Invoke_ReturnsExpected(ControlStyles flag, bool expected)
{
using SubGroupBox control = new();
Assert.Equal(expected, control.GetStyle(flag));
// Call again to test caching.
Assert.Equal(expected, control.GetStyle(flag));
}
[WinFormsFact]
public void GroupBox_GetTopLevel_Invoke_ReturnsExpected()
{
using SubGroupBox control = new();
Assert.False(control.GetTopLevel());
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void GroupBox_OnClick_Invoke_CallsClick(EventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Click += handler;
control.OnClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Click -= handler;
control.OnClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void GroupBox_OnDoubleClick_Invoke_CallsDoubleClick(EventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.DoubleClick += handler;
control.OnDoubleClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.DoubleClick -= handler;
control.OnDoubleClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void GroupBox_OnFontChanged_Invoke_CallsFontChanged(EventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.FontChanged += handler;
control.OnFontChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(Control.DefaultFont.Height, control.FontHeight);
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.FontChanged -= handler;
control.OnFontChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(Control.DefaultFont.Height, control.FontHeight);
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> OnFontChanged_WithHandle_TestData()
{
foreach (bool userPaint in new bool[] { true, false })
{
yield return new object[] { userPaint, null };
yield return new object[] { userPaint, new EventArgs() };
}
}
[WinFormsTheory]
[MemberData(nameof(OnFontChanged_WithHandle_TestData))]
public void GroupBox_OnFontChanged_InvokeWithHandle_CallsFontChangedAndInvalidated(bool userPaint, EventArgs eventArgs)
{
using SubGroupBox 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++;
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.FontChanged += handler;
control.OnFontChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(Control.DefaultFont.Height, control.FontHeight);
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.FontChanged -= handler;
control.OnFontChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.Equal(Control.DefaultFont.Height, control.FontHeight);
Assert.Equal(new Rectangle(3, Control.DefaultFont.Height + 3, 194, 94 - Control.DefaultFont.Height), control.DisplayRectangle);
Assert.True(control.IsHandleCreated);
Assert.Equal(4, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetKeyEventArgsTheoryData))]
public void GroupBox_OnKeyDown_Invoke_CallsKeyDown(KeyEventArgs eventArgs)
{
using SubGroupBox control = new();
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);
// Remove handler.
control.KeyDown -= handler;
control.OnKeyDown(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetKeyPressEventArgsTheoryData))]
public void GroupBox_OnKeyPress_Invoke_CallsKeyPress(KeyPressEventArgs eventArgs)
{
using SubGroupBox control = new();
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);
// Remove handler.
control.KeyPress -= handler;
control.OnKeyPress(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetKeyEventArgsTheoryData))]
public void GroupBox_OnKeyUp_Invoke_CallsKeyUp(KeyEventArgs eventArgs)
{
using SubGroupBox control = new();
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);
// Remove handler.
control.KeyUp -= handler;
control.OnKeyUp(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void GroupBox_OnMouseClick_Invoke_CallsMouseClick(MouseEventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseClick += handler;
control.OnMouseClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseClick -= handler;
control.OnMouseClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void GroupBox_OnMouseDoubleClick_Invoke_CallsMouseDoubleClick(MouseEventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseDoubleClick += handler;
control.OnMouseDoubleClick(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseDoubleClick -= handler;
control.OnMouseDoubleClick(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void GroupBox_OnMouseDown_Invoke_CallsMouseDown(MouseEventArgs eventArgs)
{
using SubGroupBox control = new();
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);
// Remove handler.
control.MouseDown -= handler;
control.OnMouseDown(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void GroupBox_OnMouseEnter_Invoke_CallsMouseEnter(EventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseEnter += handler;
control.OnMouseEnter(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseEnter -= handler;
control.OnMouseEnter(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void GroupBox_OnMouseLeave_Invoke_CallsMouseLeave(EventArgs eventArgs)
{
using SubGroupBox control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseLeave += handler;
control.OnMouseLeave(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseLeave -= handler;
control.OnMouseLeave(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void GroupBox_OnMouseMove_Invoke_CallsMouseMove(MouseEventArgs eventArgs)
{
using SubGroupBox control = new();
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);
// Remove handler.
control.MouseMove -= handler;
control.OnMouseMove(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void GroupBox_OnMouseUp_Invoke_CallsMouseUp(MouseEventArgs eventArgs)
{
using SubGroupBox control = new();
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);
// Remove handler.
control.MouseUp -= handler;
control.OnMouseUp(eventArgs);
Assert.Equal(1, callCount);
}
public static IEnumerable<object[]> OnPaint_TestData()
{
foreach (bool enabled in new bool[] { true, false })
{
foreach (bool useCompatibleTextRendering in new bool[] { true, false })
{
foreach (RightToLeft rightToLeft in Enum.GetValues(typeof(RightToLeft)))
{
foreach (Color foreColor in new Color[] { Color.Red, Color.Empty })
{
foreach (string text in new string[] { null, string.Empty, "text" })
{
yield return new object[] { new Size(100, 200), enabled, useCompatibleTextRendering, rightToLeft, foreColor, text };
yield return new object[] { new Size(10, 10), enabled, useCompatibleTextRendering, rightToLeft, foreColor, text };
yield return new object[] { new Size(9, 10), enabled, useCompatibleTextRendering, rightToLeft, foreColor, text };
yield return new object[] { new Size(10, 9), enabled, useCompatibleTextRendering, rightToLeft, foreColor, text };
yield return new object[] { new Size(9, 9), enabled, useCompatibleTextRendering, rightToLeft, foreColor, text };
}
}
}
}
}
}
[WinFormsTheory]
[MemberData(nameof(OnPaint_TestData))]
public void GroupBox_OnPaint_Invoke_CallsPaint(Size size, bool enabled, bool useCompatibleTextRendering, RightToLeft rightToLeft, Color foreColor, string text)
{
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
using PaintEventArgs eventArgs = new(graphics, Rectangle.Empty);
using SubGroupBox control = new()
{
Size = size,
Enabled = enabled,
UseCompatibleTextRendering = useCompatibleTextRendering,
RightToLeft = rightToLeft,
ForeColor = foreColor,
Text = text
};
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Paint += handler;
control.OnPaint(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.Paint -= handler;
control.OnPaint(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(OnPaint_TestData))]
public void GroupBox_OnPaint_InvokeWithHandle_CallsPaint(Size size, bool enabled, bool useCompatibleTextRendering, RightToLeft rightToLeft, Color foreColor, string text)
{
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
using PaintEventArgs eventArgs = new(graphics, Rectangle.Empty);
using SubGroupBox control = new()
{
Size = size,
Enabled = enabled,
UseCompatibleTextRendering = useCompatibleTextRendering,
RightToLeft = rightToLeft,
ForeColor = foreColor,
Text = text
};
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;
PaintEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Paint += handler;
control.OnPaint(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.Paint -= handler;
control.OnPaint(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void GroupBox_OnPaint_VisualStyles_on_NullE_ThrowsArgumentNullException()
{
if (!Application.RenderWithVisualStyles)
{
return;
}
using SubGroupBox control = new();
Assert.Throws<ArgumentNullException>(() => control.OnPaint(null));
}
[WinFormsFact]
public void GroupBox_OnPaint_VisualStyles_off_NullE_ThrowsNullReferenceException()
{
if (Application.RenderWithVisualStyles)
{
return;
}
using SubGroupBox control = new();
Assert.Throws<NullReferenceException>(() => control.OnPaint(null));
}
public static IEnumerable<object[]> ProcessMnemonic_TestData()
{
yield return new object[] { null, 'a', false };
yield return new object[] { string.Empty, 'a', false };
yield return new object[] { "a", 'a', false };
yield return new object[] { "&a", 'a', true };
}
[WinFormsTheory]
[MemberData(nameof(ProcessMnemonic_TestData))]
public void GroupBox_ProcessMnemonic_Invoke_ReturnsExpected(string text, char charCode, bool expected)
{
using SubGroupBox control = new()
{
Text = text
};
Assert.Equal(expected, control.ProcessMnemonic(charCode));
}
[WinFormsTheory]
[MemberData(nameof(ProcessMnemonic_TestData))]
public void GroupBox_ProcessMnemonic_InvokeWithParent_ReturnsExpected(string text, char charCode, bool expected)
{
using Control parent = new();
using SubGroupBox control = new()
{
Parent = parent,
Text = text
};
Assert.Equal(expected, control.ProcessMnemonic(charCode));
}
public static IEnumerable<object[]> ProcessMnemonic_CantProcess_TestData()
{
yield return new object[] { null, 'a' };
yield return new object[] { string.Empty, 'a' };
yield return new object[] { "a", 'a' };
yield return new object[] { "&a", 'a' };
}
[WinFormsTheory]
[MemberData(nameof(ProcessMnemonic_CantProcess_TestData))]
public void GroupBox_ProcessMnemonic_InvokeNotVisible_ReturnsFalse(string text, char charCode)
{
using SubGroupBox control = new()
{
Text = text,
Visible = false
};
Assert.False(control.ProcessMnemonic(charCode));
}
[WinFormsTheory]
[MemberData(nameof(ProcessMnemonic_CantProcess_TestData))]
public void GroupBox_ProcessMnemonic_InvokeNotEnabled_ReturnsFalse(string text, char charCode)
{
using SubGroupBox control = new()
{
Text = text,
Enabled = false
};
Assert.False(control.ProcessMnemonic(charCode));
}
[WinFormsTheory]
[MemberData(nameof(ProcessMnemonic_CantProcess_TestData))]
public void GroupBox_ProcessMnemonic_InvokeParentNotVisible_ReturnsFalse(string text, char charCode)
{
using Control parent = new()
{
Visible = false
};
using SubGroupBox control = new()
{
Parent = parent,
Text = text
};
Assert.False(control.ProcessMnemonic(charCode));
}
[WinFormsTheory]
[MemberData(nameof(ProcessMnemonic_CantProcess_TestData))]
public void GroupBox_ProcessMnemonic_InvokeParentNotEnabled_ReturnsFalse(string text, char charCode)
{
using Control parent = new()
{
Enabled = false
};
using SubGroupBox control = new()
{
Parent = parent,
Text = text
};
Assert.False(control.ProcessMnemonic(charCode));
}
[WinFormsFact]
public void GroupBox_ToString_Invoke_ReturnsExpected()
{
using GroupBox control = new();
Assert.Equal("System.Windows.Forms.GroupBox, Text: ", control.ToString());
}
[WinFormsFact]
public void GroupBox_ToString_InvokeWithText_ReturnsExpected()
{
using GroupBox control = new()
{
Text = "CustomText"
};
Assert.Equal("System.Windows.Forms.GroupBox, Text: CustomText", control.ToString());
}
public static IEnumerable<object[]> WndProc_EraseBkgnd_TestData()
{
yield return new object[] { PInvoke.WM_ERASEBKGND };
yield return new object[] { PInvoke.WM_PRINTCLIENT };
}
[WinFormsTheory]
[InlineData((int)PInvoke.WM_ERASEBKGND)]
[InlineData((int)PInvoke.WM_PRINTCLIENT)]
public void GroupBox_WndProc_InvokeEraseBkgndNotOwnerDrawWithoutHandle_Success(int msg)
{
using SubGroupBox control = new()
{
FlatStyle = FlatStyle.System
};
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
IntPtr hdc = graphics.GetHdc();
try
{
Message m = new()
{
Msg = msg,
WParam = hdc,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(1, m.Result);
Assert.True(control.IsHandleCreated);
}
finally
{
graphics.ReleaseHdc();
}
}
[WinFormsTheory]
[InlineData((int)PInvoke.WM_ERASEBKGND)]
[InlineData((int)PInvoke.WM_PRINTCLIENT)]
public void GroupBox_WndProc_InvokeEraseBkgndNotOwnerDrawWithHandle_Success(int msg)
{
using SubGroupBox control = new()
{
FlatStyle = FlatStyle.System
};
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++;
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
IntPtr hdc = graphics.GetHdc();
try
{
Message m = new()
{
Msg = msg,
WParam = hdc,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(1, m.Result);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
finally
{
graphics.ReleaseHdc();
}
}
[WinFormsTheory]
[InlineData((int)PInvoke.WM_ERASEBKGND)]
[InlineData((int)PInvoke.WM_PRINTCLIENT)]
public void GroupBox_WndProc_InvokeEraseBkgndNotOwnerDrawZeroWParam_DoesNotThrow(int msg)
{
using SubGroupBox control = new()
{
FlatStyle = FlatStyle.System
};
Message m = new()
{
Msg = msg,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(250, m.Result);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat)]
[InlineData(FlatStyle.Popup)]
[InlineData(FlatStyle.Standard)]
public void GroupBox_WndProc_InvokeEraseBkgndOwnerDrawWithHandleWithWParam_Success(FlatStyle flatStyle)
{
using SubGroupBox control = new()
{
FlatStyle = flatStyle
};
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 paintCallCount = 0;
control.Paint += (sender, e) => paintCallCount++;
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
IntPtr hdc = graphics.GetHdc();
try
{
Message m = new()
{
Msg = (int)PInvoke.WM_ERASEBKGND,
WParam = hdc,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(1, m.Result);
Assert.Equal(0, paintCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
finally
{
graphics.ReleaseHdc();
}
}
[WinFormsTheory]
[InlineData(FlatStyle.Flat)]
[InlineData(FlatStyle.Popup)]
[InlineData(FlatStyle.Standard)]
public void GroupBox_WndProc_InvokePrintClientOwnerDrawWithHandleWithWParam_Success(FlatStyle flatStyle)
{
using SubGroupBox control = new()
{
FlatStyle = flatStyle
};
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 paintCallCount = 0;
control.Paint += (sender, e) => paintCallCount++;
using Bitmap image = new(10, 10);
using Graphics graphics = Graphics.FromImage(image);
IntPtr hdc = graphics.GetHdc();
try
{
Message m = new()
{
Msg = (int)PInvoke.WM_PRINTCLIENT,
WParam = hdc,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(250, m.Result);
Assert.Equal(1, paintCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
finally
{
graphics.ReleaseHdc();
}
}
[WinFormsTheory]
[EnumData<FlatStyle>]
public void GroupBox_WndProc_InvokeMouseHoverWithHandle_Success(FlatStyle flatStyle)
{
using SubGroupBox control = new()
{
FlatStyle = flatStyle
};
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;
control.MouseHover += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
Message m = new()
{
Msg = (int)PInvoke.WM_MOUSEHOVER,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(IntPtr.Zero, m.Result);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public class SubGroupBox : GroupBox
{
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 AccessibleObject CreateAccessibilityInstance() => base.CreateAccessibilityInstance();
public new AutoSizeMode GetAutoSizeMode() => base.GetAutoSizeMode();
public new bool GetStyle(ControlStyles flag) => base.GetStyle(flag);
public new bool GetTopLevel() => base.GetTopLevel();
public new void OnClick(EventArgs e) => base.OnClick(e);
public new void OnDoubleClick(EventArgs e) => base.OnDoubleClick(e);
public new void OnFontChanged(EventArgs e) => base.OnFontChanged(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 OnMouseClick(MouseEventArgs e) => base.OnMouseClick(e);
public new void OnMouseDoubleClick(MouseEventArgs e) => base.OnMouseDoubleClick(e);
public new void OnMouseDown(MouseEventArgs e) => base.OnMouseDown(e);
public new void OnMouseEnter(EventArgs e) => base.OnMouseEnter(e);
public new void OnMouseLeave(EventArgs e) => base.OnMouseLeave(e);
public new void OnMouseMove(MouseEventArgs e) => base.OnMouseMove(e);
public new void OnMouseUp(MouseEventArgs e) => base.OnMouseUp(e);
public new void OnPaint(PaintEventArgs e) => base.OnPaint(e);
public new bool ProcessMnemonic(char charCode) => base.ProcessMnemonic(charCode);
public new void SetStyle(ControlStyles flag, bool value) => base.SetStyle(flag, value);
public new Size SizeFromClientSize(Size clientSize) => base.SizeFromClientSize(clientSize);
public new void WndProc(ref Message m) => base.WndProc(ref m);
}
}
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