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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 Moq;
using System.Windows.Forms.TestUtilities;
using Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class MdiClientTests
{
[WinFormsFact]
public void MdiClient_Ctor_Default()
{
using MdiClient 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(SystemColors.AppWorkspace, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(0, control.Bottom);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.False(control.CanFocus);
Assert.False(control.CanSelect);
Assert.False(control.Capture);
Assert.True(control.CausesValidation);
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Null(control.Container);
Assert.False(control.ContainsFocus);
Assert.Null(control.ContextMenuStrip);
Assert.Same(control, Assert.IsType<MdiClient.ControlCollection>(control.Controls).Owner);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.False(control.Created);
Assert.Same(Cursors.Default, control.Cursor);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(DockStyle.Fill, control.Dock);
Assert.True(control.Enabled);
Assert.False(control.Focused);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(Control.DefaultForeColor, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(0, control.Height);
Assert.Equal(ImeMode.NoControl, control.ImeMode);
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.Empty(control.MdiChildren);
Assert.Same(control.MdiChildren, control.MdiChildren);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(Size.Empty, control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.Equal(0, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, control.TabIndex);
Assert.True(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(0, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetBackColorTheoryData))]
public void MdiClient_BackColor_Set_GetReturnsExpected(Color value, Color expected)
{
using MdiClient control = new()
{
BackColor = value
};
Assert.Equal(expected, control.BackColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackColor = value;
Assert.Equal(expected, control.BackColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void MdiClient_BackColor_SetWithHandler_CallsBackColorChanged()
{
using MdiClient control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.BackColorChanged += handler;
// Set different.
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(1, callCount);
// Set same.
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(1, callCount);
// Set different.
control.BackColor = Color.Empty;
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Equal(2, callCount);
// Remove handler.
control.BackColorChanged -= handler;
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void MdiClient_BackColor_ResetValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MdiClient))[nameof(MdiClient.BackColor)];
using MdiClient control = new();
Assert.False(property.CanResetValue(control));
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.True(property.CanResetValue(control));
property.ResetValue(control);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.True(property.CanResetValue(control));
}
[WinFormsFact]
public void MdiClient_BackColor_ShouldSerializeValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MdiClient))[nameof(MdiClient.BackColor)];
using MdiClient control = new();
Assert.False(property.ShouldSerializeValue(control));
control.BackColor = Color.Red;
Assert.Equal(Color.Red, control.BackColor);
Assert.True(property.ShouldSerializeValue(control));
property.ResetValue(control);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.True(property.ShouldSerializeValue(control));
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetImageTheoryData))]
public void MdiClient_BackgroundImage_GetWithParent_GetReturnsExpected(Image parentBackgroundImage)
{
using Bitmap image = new(10, 10);
using Control parent = new()
{
BackgroundImage = parentBackgroundImage
};
using MdiClient control = new()
{
Parent = parent
};
Assert.Same(parentBackgroundImage, control.BackgroundImage);
// Set custom.
control.BackgroundImage = image;
Assert.Same(image, control.BackgroundImage);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetImageTheoryData))]
public void MdiClient_BackgroundImage_Set_GetReturnsExpected(Image value)
{
using MdiClient 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 MdiClient_BackgroundImage_SetWithHandler_CallsBackgroundImageChanged()
{
using MdiClient 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 MdiClient_BackgroundImageLayout_GetWithParent_GetReturnsExpected(ImageLayout parentBackgroundImageLayout)
{
using Bitmap image = new(10, 10);
using Control parent = new()
{
BackgroundImageLayout = parentBackgroundImageLayout
};
using MdiClient control = new()
{
Parent = parent
};
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
// Set custom.
control.BackgroundImage = image;
Assert.Equal(parentBackgroundImageLayout, control.BackgroundImageLayout);
}
[WinFormsTheory]
[EnumData<ImageLayout>]
public void MdiClient_BackgroundImageLayout_Set_GetReturnsExpected(ImageLayout value)
{
using MdiClient control = new()
{
BackgroundImageLayout = value
};
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackgroundImageLayout = value;
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void MdiClient_BackgroundImageLayout_SetWithHandler_CallsBackgroundImageLayoutChanged()
{
using MdiClient control = new();
int callCount = 0;
EventHandler handler = (sender, 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<RightToLeft>]
public void MdiClient_Handle_Get_Success(RightToLeft rightToLeft)
{
using MdiClient control = new()
{
RightToLeft = rightToLeft
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.True(control.Enabled);
}
[WinFormsTheory]
[InlineData(RightToLeft.Inherit, true)]
[InlineData(RightToLeft.No, true)]
[InlineData(RightToLeft.Yes, true)]
public void MdiClient_Handle_GetDesignMode_Success(RightToLeft rightToleft, bool designMode)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
mockSite
.Setup(s => s.DesignMode)
.Returns(designMode);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(new AmbientProperties());
using MdiClient control = new()
{
Site = mockSite.Object,
RightToLeft = rightToleft
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.True(control.Enabled);
}
[WinFormsTheory]
[InlineData(RightToLeft.Inherit, RightToLeft.Inherit)]
[InlineData(RightToLeft.Inherit, RightToLeft.No)]
[InlineData(RightToLeft.Inherit, RightToLeft.Yes)]
[InlineData(RightToLeft.No, RightToLeft.Inherit)]
[InlineData(RightToLeft.No, RightToLeft.No)]
[InlineData(RightToLeft.No, RightToLeft.Yes)]
[InlineData(RightToLeft.Yes, RightToLeft.Inherit)]
[InlineData(RightToLeft.Yes, RightToLeft.No)]
[InlineData(RightToLeft.Yes, RightToLeft.Yes)]
public void MdiClient_Handle_GetWithParent_Success(RightToLeft parentRightToLeft, RightToLeft rightToLeft)
{
using Control parent = new()
{
RightToLeft = parentRightToLeft
};
using MdiClient control = new()
{
Parent = parent,
RightToLeft = rightToLeft
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.True(control.Enabled);
}
[WinFormsTheory]
[InlineData(RightToLeft.Inherit, RightToLeft.Inherit, true)]
[InlineData(RightToLeft.Inherit, RightToLeft.Inherit, false)]
[InlineData(RightToLeft.Inherit, RightToLeft.No, true)]
[InlineData(RightToLeft.Inherit, RightToLeft.No, false)]
[InlineData(RightToLeft.Inherit, RightToLeft.Yes, true)]
[InlineData(RightToLeft.Inherit, RightToLeft.Yes, false)]
[InlineData(RightToLeft.No, RightToLeft.Inherit, true)]
[InlineData(RightToLeft.No, RightToLeft.Inherit, false)]
[InlineData(RightToLeft.No, RightToLeft.No, true)]
[InlineData(RightToLeft.No, RightToLeft.No, false)]
[InlineData(RightToLeft.No, RightToLeft.Yes, true)]
[InlineData(RightToLeft.No, RightToLeft.Yes, false)]
[InlineData(RightToLeft.Yes, RightToLeft.Inherit, true)]
[InlineData(RightToLeft.Yes, RightToLeft.Inherit, false)]
[InlineData(RightToLeft.Yes, RightToLeft.No, true)]
[InlineData(RightToLeft.Yes, RightToLeft.No, false)]
[InlineData(RightToLeft.Yes, RightToLeft.Yes, true)]
[InlineData(RightToLeft.Yes, RightToLeft.Yes, false)]
public void MdiClient_Handle_GetParentDesignMode_SetsDisabled(RightToLeft parentRightToLeft, RightToLeft rightToLeft, bool designMode)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
mockSite
.Setup(s => s.DesignMode)
.Returns(designMode);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(new AmbientProperties());
using Control parent = new()
{
Site = mockSite.Object,
RightToLeft = parentRightToLeft
};
using MdiClient control = new()
{
Parent = parent,
RightToLeft = rightToLeft
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(!designMode, control.Enabled);
}
[WinFormsFact]
public void MdiClient_Location_ResetValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MdiClient))[nameof(MdiClient.Location)];
using MdiClient control = new();
Assert.True(property.CanResetValue(control));
control.Location = new Point(1, 0);
Assert.Equal(new Point(1, 0), control.Location);
Assert.True(property.CanResetValue(control));
control.Location = new Point(0, 1);
Assert.Equal(new Point(0, 1), control.Location);
Assert.True(property.CanResetValue(control));
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.True(property.CanResetValue(control));
property.ResetValue(control);
Assert.Equal(Point.Empty, control.Location);
Assert.True(property.CanResetValue(control));
}
[WinFormsFact]
public void MdiClient_Location_ShouldSerializeValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MdiClient))[nameof(MdiClient.Location)];
using MdiClient control = new();
Assert.True(property.ShouldSerializeValue(control));
control.Location = new Point(1, 0);
Assert.Equal(new Point(1, 0), control.Location);
Assert.True(property.ShouldSerializeValue(control));
control.Location = new Point(0, 1);
Assert.Equal(new Point(0, 1), control.Location);
Assert.True(property.ShouldSerializeValue(control));
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.True(property.ShouldSerializeValue(control));
property.ResetValue(control);
Assert.Equal(Point.Empty, control.Location);
Assert.True(property.ShouldSerializeValue(control));
}
public static IEnumerable<object[]> Size_Set_TestData()
{
yield return new object[] { new Size(-3, -4), -7, -8, 1 };
yield return new object[] { new Size(0, 0), 0, 0, 0 };
yield return new object[] { new Size(1, 0), -3, -4, 1 };
yield return new object[] { new Size(0, 2), -4, -2, 1 };
yield return new object[] { new Size(30, 40), 26, 36, 1 };
}
[WinFormsTheory]
[MemberData(nameof(Size_Set_TestData))]
public void MdiClient_Size_Set_GetReturnsExpected(Size value, int expectedWidth, int expectedHeight, int expectedLayoutCallCount)
{
using MdiClient control = new();
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
control.Size = value;
Assert.Equal(new Size(expectedWidth, expectedHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.DisplayRectangle);
Assert.Equal(value, control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(value.Width, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(value.Height, control.Bottom);
Assert.Equal(value.Width, control.Width);
Assert.Equal(value.Height, control.Height);
Assert.Equal(new Rectangle(0, 0, value.Width, value.Height), control.Bounds);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.Size = value;
Assert.Equal(new Size(expectedWidth, expectedHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.DisplayRectangle);
Assert.Equal(value, control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(value.Width, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(value.Height, control.Bottom);
Assert.Equal(value.Width, control.Width);
Assert.Equal(value.Height, control.Height);
Assert.Equal(new Rectangle(0, 0, value.Width, value.Height), control.Bounds);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Size_SetWithHandle_TestData()
{
yield return new object[] { new Size(0, 0), 0, 0, 0, 0, 0, 0 };
yield return new object[] { new Size(-3, -4), 0, 0, 0, 0, 0, 0 };
yield return new object[] { new Size(1, 0), 1, 0, 1, 0, 1, 0 };
yield return new object[] { new Size(0, 2), 0, 2, 0, 2, 1, 0 };
yield return new object[] { new Size(1, 2), 1, 2, 1, 2, 1, 0 };
yield return new object[] { new Size(30, 40), 30, 40, 26, 36, 1, 0 };
}
[WinFormsTheory]
[MemberData(nameof(Size_SetWithHandle_TestData))]
public void MdiClient_Size_SetWithHandle_GetReturnsExpected(Size value, int expectedWidth, int expectedHeight, int expectedClientWidth, int expectedClientHeight, int expectedLayoutCallCount, int expectedInvalidatedCallCount)
{
using MdiClient control = new();
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
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.Size = value;
Assert.Equal(new Size(expectedClientWidth, expectedClientHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(expectedWidth, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Call again.
control.Size = value;
Assert.Equal(new Size(expectedClientWidth, expectedClientHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(expectedWidth, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> Size_SetWithParentHandle_TestData()
{
yield return new object[] { new Size(0, 0), 0, 0, 0 };
yield return new object[] { new Size(-3, -4), 0, 0, 1 };
yield return new object[] { new Size(1, 0), 2, 0, 2 };
yield return new object[] { new Size(0, 2), 2, 0, 2 };
yield return new object[] { new Size(1, 2), 2, 0, 2 };
yield return new object[] { new Size(30, 40), 2, 0, 2 };
}
[WinFormsTheory]
[MemberData(nameof(Size_SetWithParentHandle_TestData))]
public void MdiClient_Size_SetWithParentWithHandle_GetReturnsExpected(Size value, int expectedLayoutCallCount, int expectedInvalidatedCallCount, int expectedParentLayoutCallCount)
{
using Control parent = new();
using MdiClient control = new()
{
Parent = parent
};
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
Assert.Equal(parentLayoutCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
Assert.Equal(parentLayoutCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
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.Size = value;
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(0, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(0, control.Bottom);
Assert.Equal(0, control.Width);
Assert.Equal(0, control.Height);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount, parentLayoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Call again.
control.Size = value;
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(0, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(0, control.Bottom);
Assert.Equal(0, control.Width);
Assert.Equal(0, control.Height);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.Equal(expectedLayoutCallCount * 2, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount * 2, parentLayoutCallCount);
Assert.Equal(expectedLayoutCallCount * 2, resizeCallCount);
Assert.Equal(expectedLayoutCallCount * 2, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount * 2, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, 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]
[MemberData(nameof(Size_SetWithParentHandle_TestData))]
public void MdiClient_Size_SetWithNonDesignModeParentWithHandle_GetReturnsExpected(Size value, int expectedLayoutCallCount, int expectedInvalidatedCallCount, int expectedParentLayoutCallCount)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
mockSite
.Setup(s => s.DesignMode)
.Returns(false);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(new AmbientProperties());
using Control parent = new()
{
Site = mockSite.Object
};
using MdiClient control = new()
{
Parent = parent
};
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
Assert.Equal(parentLayoutCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
Assert.Equal(parentLayoutCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
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.Size = value;
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(0, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(0, control.Bottom);
Assert.Equal(0, control.Width);
Assert.Equal(0, control.Height);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount, parentLayoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Call again.
control.Size = value;
Assert.Equal(Size.Empty, control.ClientSize);
Assert.Equal(Rectangle.Empty, control.ClientRectangle);
Assert.Equal(Rectangle.Empty, control.DisplayRectangle);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(0, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(0, control.Bottom);
Assert.Equal(0, control.Width);
Assert.Equal(0, control.Height);
Assert.Equal(Rectangle.Empty, control.Bounds);
Assert.Equal(expectedLayoutCallCount * 2, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount * 2, parentLayoutCallCount);
Assert.Equal(expectedLayoutCallCount * 2, resizeCallCount);
Assert.Equal(expectedLayoutCallCount * 2, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount * 2, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, 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;
}
}
public static IEnumerable<object[]> Size_SetWithDesignModeParentHandle_TestData()
{
yield return new object[] { new Size(0, 0), 0, 0, 0, 0, 0, 0, 0, 0, 0 };
yield return new object[] { new Size(-3, -4), 0, 0, 0, 0, 0, 0, 0, 1, 2 };
yield return new object[] { new Size(1, 0), 0, 0, 0, 0, 2, 4, 0, 2, 4 };
yield return new object[] { new Size(0, 2), 0, 0, 0, 0, 2, 4, 0, 2, 4 };
yield return new object[] { new Size(1, 2), 0, 0, 0, 0, 2, 4, 0, 2, 4 };
yield return new object[] { new Size(30, 40), 0, 0, 0, 0, 2, 4, 0, 2, 4 };
}
[WinFormsTheory]
[MemberData(nameof(Size_SetWithDesignModeParentHandle_TestData))]
public void MdiClient_Size_SetWithDesignModeParentWithHandle_GetReturnsExpected(Size value, int expectedWidth, int expectedHeight, int expectedClientWidth, int expectedClientHeight, int expectedLayoutCallCount1, int expectedLayoutCallCount2, int expectedInvalidatedCallCount, int expectedParentLayoutCallCount1, int expectedParentLayoutCallCount2)
{
Mock<ISite> mockSite = new(MockBehavior.Strict);
mockSite
.Setup(s => s.Container)
.Returns((IContainer)null);
mockSite
.Setup(s => s.DesignMode)
.Returns(true);
mockSite
.Setup(s => s.GetService(typeof(AmbientProperties)))
.Returns(new AmbientProperties());
using Control parent = new()
{
Site = mockSite.Object
};
using MdiClient control = new()
{
Parent = parent
};
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
int parentLayoutCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
Assert.Equal(parentLayoutCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
Assert.Equal(parentLayoutCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(parentLayoutCallCount, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
void parentHandler(object sender, LayoutEventArgs e)
{
Assert.Same(parent, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
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.Size = value;
Assert.Equal(new Size(expectedClientWidth, expectedClientHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(expectedWidth, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLayoutCallCount1, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount1, parentLayoutCallCount);
Assert.Equal(expectedLayoutCallCount1, resizeCallCount);
Assert.Equal(expectedLayoutCallCount1, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount1, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
// Call again.
control.Size = value;
Assert.Equal(new Size(expectedClientWidth, expectedClientHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedClientWidth, expectedClientHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(expectedWidth, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLayoutCallCount2, layoutCallCount);
Assert.Equal(expectedParentLayoutCallCount2, parentLayoutCallCount);
Assert.Equal(expectedLayoutCallCount2, resizeCallCount);
Assert.Equal(expectedLayoutCallCount2, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount2, clientSizeChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
}
finally
{
parent.Layout -= parentHandler;
}
}
[WinFormsFact]
public void MdiClient_Size_ResetValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MdiClient))[nameof(Control.Size)];
using MdiClient control = new();
Assert.False(property.CanResetValue(control));
control.Size = new Size(1, 0);
Assert.Equal(new Size(1, 0), control.Size);
Assert.False(property.CanResetValue(control));
control.Size = new Size(0, 1);
Assert.Equal(new Size(0, 1), control.Size);
Assert.False(property.CanResetValue(control));
control.Size = new Size(1, 2);
Assert.Equal(new Size(1, 2), control.Size);
Assert.False(property.CanResetValue(control));
property.ResetValue(control);
Assert.Equal(Size.Empty, control.Size);
Assert.False(property.CanResetValue(control));
}
[WinFormsFact]
public void MdiClient_Size_ShouldSerializeValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(MdiClient))[nameof(Control.Size)];
using MdiClient control = new();
Assert.False(property.ShouldSerializeValue(control));
control.Size = new Size(1, 0);
Assert.Equal(new Size(1, 0), control.Size);
Assert.False(property.ShouldSerializeValue(control));
control.Size = new Size(0, 1);
Assert.Equal(new Size(0, 1), control.Size);
Assert.False(property.ShouldSerializeValue(control));
control.Size = new Size(1, 2);
Assert.Equal(new Size(1, 2), control.Size);
Assert.False(property.ShouldSerializeValue(control));
property.ResetValue(control);
Assert.Equal(Size.Empty, control.Size);
Assert.False(property.ShouldSerializeValue(control));
}
[WinFormsTheory]
[EnumData<MdiLayout>]
[InvalidEnumData<MdiLayout>]
public void MdiClient_LayoutMdi_InvokeWithoutHandle_Nop(MdiLayout value)
{
using MdiClient control = new();
control.LayoutMdi(value);
Assert.True(control.IsHandleCreated);
}
[WinFormsTheory]
[EnumData<MdiLayout>]
[InvalidEnumData<MdiLayout>]
public void MdiClient_LayoutMdi_InvokeWithHandle_Success(MdiLayout value)
{
using MdiClient 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.LayoutMdi(value);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
}
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