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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 Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class SplitterPanelTests
{
public static IEnumerable<object[]> Ctor_SplitContainer_TestData()
{
yield return new object[] { null };
yield return new object[] { new SplitContainer() };
}
[WinFormsTheory]
[MemberData(nameof(Ctor_SplitContainer_TestData))]
public void SplitterPanel_Ctor_SplitContainer(SplitContainer owner)
{
using SplitterPanel control = new(owner);
Assert.Null(control.AccessibleDefaultActionDescription);
Assert.Null(control.AccessibleDescription);
Assert.Null(control.AccessibleName);
Assert.Equal(AccessibleRole.Default, control.AccessibleRole);
Assert.False(control.AllowDrop);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
Assert.False(control.AutoScroll);
Assert.Equal(Size.Empty, control.AutoScrollMargin);
Assert.Equal(Size.Empty, control.AutoScrollMinSize);
Assert.Equal(Point.Empty, control.AutoScrollPosition);
Assert.False(control.AutoSize);
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(BorderStyle.None, control.BorderStyle);
Assert.Equal(100, control.Bottom);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.False(control.CanFocus);
Assert.False(control.CanSelect);
Assert.False(control.Capture);
Assert.True(control.CausesValidation);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Null(control.Container);
Assert.False(control.ContainsFocus);
Assert.Null(control.ContextMenuStrip);
Assert.Empty(control.Controls);
Assert.Same(control.Controls, control.Controls);
Assert.False(control.Created);
Assert.Equal(Cursors.Default, control.Cursor);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(DockStyle.None, control.Dock);
Assert.NotNull(control.DockPadding);
Assert.Same(control.DockPadding, control.DockPadding);
Assert.Equal(0, control.DockPadding.Top);
Assert.Equal(0, control.DockPadding.Bottom);
Assert.Equal(0, control.DockPadding.Left);
Assert.Equal(0, control.DockPadding.Right);
Assert.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(100, control.Height);
Assert.NotNull(control.HorizontalScroll);
Assert.Same(control.HorizontalScroll, control.HorizontalScroll);
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(Padding.Empty, control.Margin);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal(Size.Empty, control.PreferredSize);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.Equal(200, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.TabIndex);
Assert.False(control.TabStop);
Assert.Empty(control.Text);
Assert.Equal(0, control.Top);
Assert.Null(control.TopLevelControl);
Assert.False(control.UseWaitCursor);
Assert.True(control.Visible);
Assert.NotNull(control.VerticalScroll);
Assert.Same(control.VerticalScroll, control.VerticalScroll);
Assert.Equal(200, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.Anchor_Set_TestData), MemberType = typeof(ControlTests))]
public void SplitterPanel_Anchor_Set_GetReturnsExpected(AnchorStyles value, AnchorStyles expected)
{
using SplitterPanel control = new(null)
{
Anchor = value
};
Assert.Equal(expected, control.Anchor);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.IsHandleCreated);
// Set same.
control.Anchor = value;
Assert.Equal(expected, control.Anchor);
Assert.Equal(DockStyle.None, control.Dock);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void SplitterPanel_AutoSize_Set_GetReturnsExpected(bool value)
{
using SplitterPanel control = new(null);
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 SplitterPanel_AutoSize_SetWithHandler_CallsAutoSizeChanged()
{
using SplitterPanel control = new(null)
{
AutoSize = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.AutoSizeChanged += handler;
// Set different.
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(1, callCount);
// Set same.
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(1, callCount);
// Set different.
control.AutoSize = true;
Assert.True(control.AutoSize);
Assert.Equal(2, callCount);
// Remove handler.
control.AutoSizeChanged -= handler;
control.AutoSize = false;
Assert.False(control.AutoSize);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void SplitterPanel_AutoSizeMode_Set_GetReturnsExpected(AutoSizeMode value)
{
using SplitterPanel control = new(null);
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void SplitterPanel_AutoSizeMode_SetWithParent_GetReturnsExpected(AutoSizeMode value)
{
using Control parent = new();
using SplitterPanel control = new(null)
{
Parent = parent
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentLayoutCallCount = 0;
parent.Layout += (sender, e) => parentLayoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(0, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.False(control.IsHandleCreated);
Assert.Equal(0, layoutCallCount);
Assert.False(parent.IsHandleCreated);
Assert.Equal(0, parentLayoutCallCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void SplitterPanel_AutoSizeMode_SetWithHandle_GetReturnsExpected(AutoSizeMode value)
{
using SplitterPanel control = new(null);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[EnumData<AutoSizeMode>]
[InvalidEnumData<AutoSizeMode>]
public void SplitterPanel_AutoSizeMode_SetWithHandleWithParent_GetReturnsExpected(AutoSizeMode value)
{
using Control parent = new();
using SplitterPanel control = new(null)
{
Parent = parent
};
Assert.NotEqual(IntPtr.Zero, parent.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
int parentInvalidatedCallCount = 0;
parent.Invalidated += (sender, e) => parentInvalidatedCallCount++;
int parentStyleChangedCallCount = 0;
parent.StyleChanged += (sender, e) => parentStyleChangedCallCount++;
int parentCreatedCallCount = 0;
parent.HandleCreated += (sender, e) => parentCreatedCallCount++;
int parentLayoutCallCount = 0;
parent.Layout += (sender, e) => parentLayoutCallCount++;
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.Equal(0, layoutCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
Assert.Equal(0, parentLayoutCallCount);
// Set same.
control.AutoSizeMode = value;
Assert.Equal(AutoSizeMode.GrowOnly, control.AutoSizeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
Assert.Equal(0, layoutCallCount);
Assert.True(parent.IsHandleCreated);
Assert.Equal(0, parentInvalidatedCallCount);
Assert.Equal(0, parentStyleChangedCallCount);
Assert.Equal(0, parentCreatedCallCount);
Assert.Equal(0, parentLayoutCallCount);
}
[WinFormsTheory]
[EnumData<BorderStyle>]
public void SplitterPanel_BorderStyle_Set_GetReturnsExpected(BorderStyle value)
{
using SplitterPanel control = new(null)
{
BorderStyle = value
};
Assert.Equal(value, control.BorderStyle);
Assert.False(control.IsHandleCreated);
// Set same.
control.BorderStyle = value;
Assert.Equal(value, control.BorderStyle);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(BorderStyle.Fixed3D, 1)]
[InlineData(BorderStyle.FixedSingle, 1)]
[InlineData(BorderStyle.None, 0)]
public void SplitterPanel_BorderStyle_SetWithHandle_GetReturnsExpected(BorderStyle value, int expectedInvalidatedCallCount)
{
using SplitterPanel control = new(null);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.BorderStyle = value;
Assert.Equal(value, control.BorderStyle);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount * 2, invalidatedCallCount);
Assert.Equal(expectedInvalidatedCallCount, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.BorderStyle = value;
Assert.Equal(value, control.BorderStyle);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount * 2, invalidatedCallCount);
Assert.Equal(expectedInvalidatedCallCount, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[InvalidEnumData<BorderStyle>]
public void SplitterPanel_BorderStyle_SetInvalid_ThrowsInvalidEnumArgumentException(BorderStyle value)
{
using SplitterPanel control = new(null);
Assert.Throws<InvalidEnumArgumentException>("value", () => control.BorderStyle = value);
}
[WinFormsTheory]
[EnumData<DockStyle>]
public void SplitterPanel_Dock_Set_GetReturnsExpected(DockStyle value)
{
using SplitterPanel control = new(null)
{
Dock = value
};
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
// Set same.
control.Dock = value;
Assert.Equal(value, control.Dock);
Assert.Equal(AnchorStyles.Top | AnchorStyles.Left, control.Anchor);
}
[WinFormsFact]
public void SplitterPanel_Dock_SetWithHandler_CallsDockChanged()
{
using SplitterPanel control = new(null)
{
Dock = DockStyle.None
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.DockChanged += handler;
// Set different.
control.Dock = DockStyle.Top;
Assert.Equal(DockStyle.Top, control.Dock);
Assert.Equal(1, callCount);
// Set same.
control.Dock = DockStyle.Top;
Assert.Equal(DockStyle.Top, control.Dock);
Assert.Equal(1, callCount);
// Set different.
control.Dock = DockStyle.Left;
Assert.Equal(DockStyle.Left, control.Dock);
Assert.Equal(2, callCount);
// Remove handler.
control.DockChanged -= handler;
control.Dock = DockStyle.Top;
Assert.Equal(DockStyle.Top, control.Dock);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InvalidEnumData<DockStyle>]
public void SplitterPanel_Dock_SetInvalid_ThrowsInvalidEnumArgumentException(DockStyle value)
{
using SplitterPanel control = new(null);
Assert.Throws<InvalidEnumArgumentException>("value", () => control.Dock = value);
}
[WinFormsTheory]
[InlineData(-4)]
[InlineData(0)]
[InlineData(2)]
[InlineData(40)]
public void SplitterPanel_Height_Set_ThrowsNotSupportedException(int value)
{
using SplitterPanel control = new(null);
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
Assert.Throws<NotSupportedException>(() => control.Height = value);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(200, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
Assert.Throws<NotSupportedException>(() => control.Height = value);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(200, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Location_Set_TestData()
{
yield return new object[] { new Point(0, 0), 0 };
yield return new object[] { new Point(-1, -2), 1 };
yield return new object[] { new Point(1, 0), 1 };
yield return new object[] { new Point(0, 2), 1 };
yield return new object[] { new Point(1, 2), 1 };
}
[WinFormsTheory]
[MemberData(nameof(Location_Set_TestData))]
public void SplitterPanel_Location_Set_GetReturnsExpected(Point value, int expectedLocationChangedCallCount)
{
using SplitterPanel control = new(null);
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.Location = value;
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(value.X, control.Left);
Assert.Equal(value.X + 200, control.Right);
Assert.Equal(value, control.Location);
Assert.Equal(value.Y, control.Top);
Assert.Equal(value.Y + 100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(value.X, value.Y, 200, 100), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void SplitterPanel_Location_SetWithHandler_CallsLocationChanged()
{
using SplitterPanel control = new(null);
int locationChangedCallCount = 0;
EventHandler locationChangedHandler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
locationChangedCallCount++;
};
control.LocationChanged += locationChangedHandler;
int moveCallCount = 0;
EventHandler moveHandler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
moveCallCount++;
};
control.Move += moveHandler;
// Set different.
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(1, locationChangedCallCount);
Assert.Equal(1, moveCallCount);
// Set same.
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(1, locationChangedCallCount);
Assert.Equal(1, moveCallCount);
// Set different x.
control.Location = new Point(2, 2);
Assert.Equal(new Point(2, 2), control.Location);
Assert.Equal(2, locationChangedCallCount);
Assert.Equal(2, moveCallCount);
// Set different y.
control.Location = new Point(2, 3);
Assert.Equal(new Point(2, 3), control.Location);
Assert.Equal(3, locationChangedCallCount);
Assert.Equal(3, moveCallCount);
// Remove handler.
control.LocationChanged -= locationChangedHandler;
control.Move -= moveHandler;
control.Location = new Point(1, 2);
Assert.Equal(new Point(1, 2), control.Location);
Assert.Equal(3, locationChangedCallCount);
Assert.Equal(3, moveCallCount);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.MaximumSize_Set_TestData), MemberType = typeof(ControlTests))]
public void SplitterPanel_MaximumSize_Set_GetReturnsExpected(Size value)
{
using SplitterPanel control = new(null)
{
Size = Size.Empty
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.MaximumSize = value;
Assert.Equal(value, control.MaximumSize);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.MaximumSize = value;
Assert.Equal(value, control.MaximumSize);
Assert.Equal(Size.Empty, control.Size);
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ControlTests.MinimumSize_Set_TestData), MemberType = typeof(ControlTests))]
public void SplitterPanel_MinimumSize_Set_GetReturnsExpected(Size value, Size expectedSize, int expectedLayoutCallCount)
{
using SplitterPanel control = new(null)
{
Size = Size.Empty
};
int layoutCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
layoutCallCount++;
};
control.MinimumSize = value;
Assert.Equal(value, control.MinimumSize);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.MinimumSize = value;
Assert.Equal(value, control.MinimumSize);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NormalizedStringData]
public void SplitterPanel_Name_Set_GetReturnsExpected(string value, string expected)
{
using SplitterPanel control = new(null)
{
Name = value
};
Assert.Equal(expected, control.Name);
Assert.False(control.IsHandleCreated);
// Get again.
control.Name = value;
Assert.Equal(expected, control.Name);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Parent_Set_TestData()
{
yield return new object[] { null };
yield return new object[] { new Control() };
yield return new object[] { new Form() };
}
[WinFormsTheory]
[MemberData(nameof(Parent_Set_TestData))]
public void SplitterPanel_Parent_Set_GetReturnsExpected(Control value)
{
using SplitterPanel control = new(null)
{
Parent = value
};
Assert.Same(value, control.Parent);
Assert.False(control.IsHandleCreated);
// Set same.
control.Parent = value;
Assert.Same(value, control.Parent);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void SplitterPanel_Parent_SetWithHandler_CallsParentChanged()
{
using Control parent = new();
using SplitterPanel control = new(null);
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ParentChanged += handler;
// Set different.
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Equal(1, callCount);
// Set same.
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Equal(1, callCount);
// Set null.
control.Parent = null;
Assert.Null(control.Parent);
Assert.Equal(2, callCount);
// Remove handler.
control.ParentChanged -= handler;
control.Parent = parent;
Assert.Same(parent, control.Parent);
Assert.Equal(2, callCount);
}
public static IEnumerable<object[]> Size_Set_TestData()
{
yield return new object[] { new Size(-3, -4), 1 };
yield return new object[] { new Size(0, 0), 1 };
yield return new object[] { new Size(1, 0), 1 };
yield return new object[] { new Size(0, 2), 1 };
yield return new object[] { new Size(30, 40), 1 };
yield return new object[] { new Size(200, 100), 0 };
}
[WinFormsTheory]
[MemberData(nameof(Size_Set_TestData))]
public void SplitterPanel_Size_Set_GetReturnsExpected(Size value, int expectedLayoutCallCount)
{
using SplitterPanel control = new(null);
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(value, control.ClientSize);
Assert.Equal(new Rectangle(0, 0, value.Width, value.Height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, value.Width, value.Height), 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(value, control.ClientSize);
Assert.Equal(new Rectangle(0, 0, value.Width, value.Height), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, value.Width, value.Height), 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);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(2)]
public void SplitterPanel_TabIndex_Set_GetReturnsExpected(int value)
{
using SplitterPanel control = new(null)
{
TabIndex = value
};
Assert.Equal(value, control.TabIndex);
Assert.False(control.IsHandleCreated);
// Set same.
control.TabIndex = value;
Assert.Equal(value, control.TabIndex);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void SplitterPanel_TabIndex_SetWithHandler_CallsTabIndexChanged()
{
using SplitterPanel control = new(null)
{
TabIndex = 0
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.TabIndexChanged += handler;
// Set different.
control.TabIndex = 1;
Assert.Equal(1, control.TabIndex);
Assert.Equal(1, callCount);
// Set same.
control.TabIndex = 1;
Assert.Equal(1, control.TabIndex);
Assert.Equal(1, callCount);
// Set different.
control.TabIndex = 2;
Assert.Equal(2, control.TabIndex);
Assert.Equal(2, callCount);
// Remove handler.
control.TabIndexChanged -= handler;
control.TabIndex = 1;
Assert.Equal(1, control.TabIndex);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void SplitterPanel_TabIndex_SetNegative_CallsArgumentOutOfRangeException()
{
using SplitterPanel control = new(null);
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.TabIndex = -1);
}
[WinFormsTheory]
[BoolData]
public void SplitterPanel_TabStop_Set_GetReturnsExpected(bool value)
{
using SplitterPanel control = new(null)
{
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 SplitterPanel_TabStop_SetWithHandle_GetReturnsExpected(bool value)
{
using SplitterPanel control = new(null);
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 SplitterPanel_TabStop_SetWithHandler_CallsTabStopChanged()
{
using SplitterPanel control = new(null)
{
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 SplitterPanel_Text_Set_GetReturnsExpected(string value, string expected)
{
using SplitterPanel control = new(null)
{
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 SplitterPanel_Text_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using SplitterPanel control = new(null);
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void SplitterPanel_Text_SetWithHandler_CallsTextChanged()
{
using SplitterPanel control = new(null);
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]
[BoolData]
public void SplitterPanel_Visible_Set_GetReturnsExpected(bool value)
{
using SplitterPanel control = new(null)
{
Visible = value
};
Assert.Equal(value, control.Visible);
Assert.False(control.IsHandleCreated);
// Set same.
control.Visible = value;
Assert.Equal(value, control.Visible);
Assert.False(control.IsHandleCreated);
// Set different.
control.Visible = !value;
Assert.Equal(!value, control.Visible);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void SplitterPanel_Visible_SetWithHandler_CallsVisibleChanged()
{
using SplitterPanel control = new(null)
{
Visible = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.VisibleChanged += handler;
// Set different.
control.Visible = false;
Assert.False(control.Visible);
Assert.Equal(1, callCount);
// Set same.
control.Visible = false;
Assert.False(control.Visible);
Assert.Equal(1, callCount);
// Set different.
control.Visible = true;
Assert.True(control.Visible);
Assert.Equal(2, callCount);
// Remove handler.
control.VisibleChanged -= handler;
control.Visible = false;
Assert.False(control.Visible);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(-4)]
[InlineData(0)]
[InlineData(2)]
[InlineData(40)]
public void SplitterPanel_Width_Set_ThrowsNotSupportedException(int value)
{
using SplitterPanel control = new(null);
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.Resize += (sender, e) => resizeCallCount++;
control.SizeChanged += (sender, e) => sizeChangedCallCount++;
control.ClientSizeChanged += (sender, e) => clientSizeChangedCallCount++;
Assert.Throws<NotSupportedException>(() => control.Width = value);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(200, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
Assert.Throws<NotSupportedException>(() => control.Width = value);
Assert.Equal(new Size(200, 100), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.DisplayRectangle);
Assert.Equal(new Size(200, 100), control.Size);
Assert.Equal(0, control.Left);
Assert.Equal(200, control.Right);
Assert.Equal(0, control.Top);
Assert.Equal(100, control.Bottom);
Assert.Equal(200, control.Width);
Assert.Equal(100, control.Height);
Assert.Equal(new Rectangle(0, 0, 200, 100), control.Bounds);
Assert.Equal(0, layoutCallCount);
Assert.Equal(0, resizeCallCount);
Assert.Equal(0, sizeChangedCallCount);
Assert.Equal(0, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
}
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