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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms.TestUtilities;
using Point = System.Drawing.Point;
using Size = System.Drawing.Size;
namespace System.Windows.Forms.Tests;
public class TrackBarTests
{
public static readonly int s_dimension = (SystemInformation.HorizontalScrollBarHeight * 8) / 3;
[WinFormsFact]
public void TrackBar_Ctor_Default()
{
using SubTrackBar 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.True(control.AutoSize);
Assert.Equal(Control.DefaultBackColor, control.BackColor);
Assert.Null(control.BackgroundImage);
Assert.Equal(ImageLayout.Tile, control.BackgroundImageLayout);
Assert.Null(control.BindingContext);
Assert.Equal(s_dimension, control.Bottom);
Assert.Equal(new Rectangle(0, 0, 104, s_dimension), control.Bounds);
Assert.False(control.CanEnableIme);
Assert.False(control.CanFocus);
Assert.True(control.CanRaiseEvents);
Assert.True(control.CanSelect);
Assert.False(control.Capture);
Assert.True(control.CausesValidation);
Assert.Equal(new Size(104, s_dimension), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, 104, s_dimension), 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.Disable, control.DefaultImeMode);
Assert.Equal(new Padding(3), control.DefaultMargin);
Assert.Equal(Size.Empty, control.DefaultMaximumSize);
Assert.Equal(Size.Empty, control.DefaultMinimumSize);
Assert.Equal(Padding.Empty, control.DefaultPadding);
Assert.Equal(new Size(104, s_dimension), control.DefaultSize);
Assert.False(control.DesignMode);
Assert.Equal(new Rectangle(0, 0, 104, s_dimension), 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.False(control.Focused);
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.False(control.HasChildren);
Assert.Equal(s_dimension, control.Height);
Assert.Equal(ImeMode.Disable, control.ImeMode);
Assert.Equal(ImeMode.Disable, control.ImeModeBase);
Assert.False(control.IsAccessible);
Assert.False(control.IsMirrored);
Assert.Equal(5, control.LargeChange);
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(10, control.Maximum);
Assert.Equal(Size.Empty, control.MaximumSize);
Assert.Equal(0, control.Minimum);
Assert.Equal(Size.Empty, control.MinimumSize);
Assert.Equal(Orientation.Horizontal, control.Orientation);
Assert.Equal(Padding.Empty, control.Padding);
Assert.Null(control.Parent);
Assert.Equal("Microsoft\u00AE .NET", control.ProductName);
Assert.Equal(new Size(104, s_dimension), control.PreferredSize);
Assert.False(control.RecreatingHandle);
Assert.Null(control.Region);
Assert.False(control.ResizeRedraw);
Assert.Equal(104, control.Right);
Assert.Equal(RightToLeft.No, control.RightToLeft);
Assert.False(control.RightToLeftLayout);
Assert.True(control.ShowFocusCues);
Assert.True(control.ShowKeyboardCues);
Assert.Null(control.Site);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.Equal(1, control.SmallChange);
Assert.Equal(0, control.TabIndex);
Assert.True(control.TabStop);
Assert.Empty(control.Text);
Assert.Equal(1, control.TickFrequency);
Assert.Equal(TickStyle.BottomRight, control.TickStyle);
Assert.Equal(0, control.Top);
Assert.Null(control.TopLevelControl);
Assert.False(control.UseWaitCursor);
Assert.Equal(0, control.Value);
Assert.True(control.Visible);
Assert.Equal(104, control.Width);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TrackBar_CreateParams_GetDefault_ReturnsExpected()
{
using SubTrackBar control = new();
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal("msctls_trackbar32", createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0, createParams.ExStyle);
Assert.Equal(s_dimension, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(0x56010001, createParams.Style);
Assert.Equal(104, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(TickStyle.Both, 0x56010009)]
[InlineData(TickStyle.BottomRight, 0x56010001)]
[InlineData(TickStyle.None, 0x56010010)]
[InlineData(TickStyle.TopLeft, 0x56010005)]
public void TrackBar_CreateParams_GetTickStyle_ReturnsExpected(TickStyle tickStyle, int expectedStyle)
{
using SubTrackBar control = new()
{
TickStyle = tickStyle
};
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal("msctls_trackbar32", createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0, createParams.ExStyle);
Assert.Equal(s_dimension, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(expectedStyle, createParams.Style);
Assert.Equal(104, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(Orientation.Horizontal, 0x56010001)]
[InlineData(Orientation.Vertical, 0x56010003)]
public void TrackBar_CreateParams_GetOrientation_ReturnsExpected(Orientation orientation, int expectedStyle)
{
using SubTrackBar control = new()
{
Orientation = orientation
};
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal("msctls_trackbar32", createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(0, createParams.ExStyle);
Assert.Equal(s_dimension, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(expectedStyle, createParams.Style);
Assert.Equal(104, createParams.Width);
Assert.Equal(0, createParams.X);
Assert.Equal(0, createParams.Y);
Assert.Same(createParams, control.CreateParams);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(RightToLeft.Inherit, true, 0x0)]
[InlineData(RightToLeft.No, true, 0x0)]
[InlineData(RightToLeft.Yes, true, 0x500000)]
[InlineData(RightToLeft.Inherit, false, 0x0)]
[InlineData(RightToLeft.No, false, 0x0)]
[InlineData(RightToLeft.Yes, false, 0x7000)]
public void TrackBar_CreateParams_GetRightToLeft_ReturnsExpected(RightToLeft rightToLeft, bool rightToLeftLayout, int expectedExStyle)
{
using SubTrackBar control = new()
{
RightToLeft = rightToLeft,
RightToLeftLayout = rightToLeftLayout
};
CreateParams createParams = control.CreateParams;
Assert.Null(createParams.Caption);
Assert.Equal("msctls_trackbar32", createParams.ClassName);
Assert.Equal(0x8, createParams.ClassStyle);
Assert.Equal(expectedExStyle, createParams.ExStyle);
Assert.Equal(s_dimension, createParams.Height);
Assert.Equal(IntPtr.Zero, createParams.Parent);
Assert.Null(createParams.Param);
Assert.Equal(0x56010001, createParams.Style);
Assert.Equal(104, 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 TrackBar_AutoSize_Set_GetReturnsExpected(bool value)
{
using SubTrackBar control = new();
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.False(control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.False(control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set different.
control.AutoSize = !value;
Assert.Equal(!value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.False(control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(!value, control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void TrackBar_AutoSize_SetWithOrientation_GetReturnsExpected(bool value)
{
using SubTrackBar control = new()
{
Orientation = Orientation.Vertical
};
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.Equal(value, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.Equal(value, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set different.
control.AutoSize = !value;
Assert.Equal(!value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.Equal(!value, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void TrackBar_AutoSize_SetWithHandle_GetReturnsExpected(bool value)
{
using SubTrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.False(control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.False(control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.AutoSize = !value;
Assert.Equal(!value, control.AutoSize);
Assert.Equal(new Size(104, s_dimension), control.Size);
Assert.False(control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(!value, control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[BoolData]
public void TrackBar_AutoSize_SetWithOrientationWithHandle_GetReturnsExpected(bool value)
{
using SubTrackBar control = new()
{
Orientation = Orientation.Vertical
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int layoutCallCount = 0;
control.Layout += (sender, e) => layoutCallCount++;
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(s_dimension, s_dimension), control.Size);
Assert.Equal(value, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.AutoSize = value;
Assert.Equal(value, control.AutoSize);
Assert.Equal(new Size(s_dimension, s_dimension), control.Size);
Assert.Equal(value, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.AutoSize = !value;
Assert.Equal(!value, control.AutoSize);
Assert.Equal(new Size(s_dimension, s_dimension), control.Size);
Assert.Equal(!value, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.Equal(0, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void ToolStrip_AutoSize_SetWithHandler_CallsAutoSizeChanged()
{
using ToolStrip 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]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetImageTheoryData))]
public void TrackBar_BackgroundImage_Set_GetReturnsExpected(Image value)
{
using TrackBar 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 TrackBar_BackgroundImage_SetWithHandler_CallsBackgroundImageChanged()
{
using TrackBar 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 TrackBar_BackgroundImageLayout_Set_GetReturnsExpected(ImageLayout value)
{
using SubTrackBar control = new()
{
BackgroundImageLayout = value
};
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.DoubleBuffered);
Assert.False(control.IsHandleCreated);
// Set same.
control.BackgroundImageLayout = value;
Assert.Equal(value, control.BackgroundImageLayout);
Assert.False(control.DoubleBuffered);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TrackBar_BackgroundImageLayout_SetWithHandler_CallsBackgroundImageLayoutChanged()
{
using TrackBar 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]
[BoolData]
public void TrackBar_DoubleBuffered_Get_ReturnsExpected(bool value)
{
using SubTrackBar control = new();
control.SetStyle(ControlStyles.OptimizedDoubleBuffer, value);
Assert.Equal(value, control.DoubleBuffered);
}
[WinFormsTheory]
[BoolData]
public void TrackBar_DoubleBuffered_Set_GetReturnsExpected(bool value)
{
using SubTrackBar control = new()
{
DoubleBuffered = value
};
Assert.Equal(value, control.DoubleBuffered);
Assert.Equal(value, control.GetStyle(ControlStyles.OptimizedDoubleBuffer));
Assert.False(control.IsHandleCreated);
// Set same.
control.DoubleBuffered = value;
Assert.Equal(value, control.DoubleBuffered);
Assert.Equal(value, control.GetStyle(ControlStyles.OptimizedDoubleBuffer));
Assert.False(control.IsHandleCreated);
// Set different.
control.DoubleBuffered = !value;
Assert.Equal(!value, control.DoubleBuffered);
Assert.Equal(!value, control.GetStyle(ControlStyles.OptimizedDoubleBuffer));
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[BoolData]
public void TrackBar_DoubleBuffered_SetWithHandle_GetReturnsExpected(bool value)
{
using SubTrackBar 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.DoubleBuffered = value;
Assert.Equal(value, control.DoubleBuffered);
Assert.Equal(value, control.GetStyle(ControlStyles.OptimizedDoubleBuffer));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.DoubleBuffered = value;
Assert.Equal(value, control.DoubleBuffered);
Assert.Equal(value, control.GetStyle(ControlStyles.OptimizedDoubleBuffer));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set different.
control.DoubleBuffered = !value;
Assert.Equal(!value, control.DoubleBuffered);
Assert.Equal(!value, control.GetStyle(ControlStyles.OptimizedDoubleBuffer));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetFontTheoryData))]
public void TrackBar_Font_Set_GetReturnsExpected(Font value)
{
using SubTrackBar control = new()
{
Font = value
};
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.False(control.IsHandleCreated);
// Set same.
control.Font = value;
Assert.Equal(value ?? Control.DefaultFont, control.Font);
Assert.Equal(control.Font.Height, control.FontHeight);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TrackBar_Font_SetWithHandler_CallsFontChanged()
{
using TrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.FontChanged += handler;
// Set different.
using Font font1 = new("Arial", 8.25f);
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(1, callCount);
// Set same.
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(1, callCount);
// Set different.
using var font2 = SystemFonts.DialogFont;
control.Font = font2;
Assert.Same(font2, control.Font);
Assert.Equal(2, callCount);
// Set null.
control.Font = null;
Assert.Equal(Control.DefaultFont, control.Font);
Assert.Equal(3, callCount);
// Remove handler.
control.FontChanged -= handler;
control.Font = font1;
Assert.Same(font1, control.Font);
Assert.Equal(3, callCount);
}
public static IEnumerable<object[]> ForeColor_Set_TestData()
{
yield return new object[] { Color.Red };
yield return new object[] { Color.FromArgb(254, 1, 2, 3) };
yield return new object[] { Color.White };
yield return new object[] { Color.Black };
yield return new object[] { Color.Empty };
}
[WinFormsTheory]
[MemberData(nameof(ForeColor_Set_TestData))]
public void TrackBar_ForeColor_Set_Nop(Color value)
{
using TrackBar control = new()
{
ForeColor = value
};
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.False(control.IsHandleCreated);
// Set same.
control.ForeColor = value;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ForeColor_Set_TestData))]
public void TrackBar_ForeColor_SetWithHandle_Nop(Color value)
{
using TrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.ForeColor = value;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ForeColor = value;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_ForeColor_SetWithHandler_DoesNotCallForeColorChanged()
{
using TrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ForeColorChanged += handler;
// Set different.
control.ForeColor = Color.Red;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.Equal(0, callCount);
// Set same.
control.ForeColor = Color.Red;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.Equal(0, callCount);
// Set different.
control.ForeColor = Color.Empty;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.Equal(0, callCount);
// Remove handler.
control.ForeColorChanged -= handler;
control.ForeColor = Color.Red;
Assert.Equal(SystemColors.WindowText, control.ForeColor);
Assert.Equal(0, callCount);
}
[WinFormsFact]
public void TrackBar_Handle_GetWithMaximum_Success()
{
using TrackBar control = new()
{
Maximum = 11
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(11, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
}
[WinFormsFact]
public void TrackBar_Handle_GetWithMinimum_Success()
{
using TrackBar control = new()
{
Minimum = 11
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(11, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
}
[WinFormsTheory]
[InlineData(RightToLeft.Inherit, true, 5)]
[InlineData(RightToLeft.No, true, 5)]
[InlineData(RightToLeft.Yes, true, 5)]
[InlineData(RightToLeft.Inherit, false, 5)]
[InlineData(RightToLeft.No, false, 5)]
[InlineData(RightToLeft.Yes, false, 5)]
public void TrackBar_Handle_GetWithValue_Success(RightToLeft rightToLeft, bool rightToLeftLayout, int expected)
{
using TrackBar control = new()
{
Value = 5,
RightToLeft = rightToLeft,
RightToLeftLayout = rightToLeftLayout
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(expected, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
}
[WinFormsFact]
public void TrackBar_Handle_GetWithValueVertical_Success()
{
using TrackBar control = new()
{
Orientation = Orientation.Vertical,
Value = 5
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(5, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
}
[WinFormsFact]
public void TrackBar_Handle_GetWithLargeChange_Success()
{
using TrackBar control = new()
{
LargeChange = 11
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(11, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPAGESIZE));
}
[WinFormsFact]
public void TrackBar_Handle_GetWithSmallChange_Success()
{
using TrackBar control = new()
{
SmallChange = 11
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(11, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETLINESIZE));
}
public static IEnumerable<object[]> Handle_GetSize_TestData()
{
yield return new object[] { true, Orientation.Horizontal, new Size(104, s_dimension) };
yield return new object[] { true, Orientation.Vertical, new Size(s_dimension, s_dimension) };
yield return new object[] { false, Orientation.Horizontal, new Size(104, s_dimension) };
yield return new object[] { false, Orientation.Vertical, new Size(s_dimension, s_dimension) };
}
[WinFormsTheory]
[MemberData(nameof(Handle_GetSize_TestData))]
public void TrackBar_Handle_GetSize_Success(bool autoSize, Orientation orientation, Size expected)
{
using TrackBar control = new()
{
AutoSize = autoSize,
Orientation = orientation
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
Assert.Equal(expected, control.Size);
}
public static IEnumerable<object[]> ImeMode_Set_TestData()
{
yield return new object[] { ImeMode.Inherit, ImeMode.NoControl };
yield return new object[] { ImeMode.NoControl, ImeMode.NoControl };
yield return new object[] { ImeMode.On, ImeMode.On };
yield return new object[] { ImeMode.Off, ImeMode.Off };
yield return new object[] { ImeMode.Disable, ImeMode.Disable };
yield return new object[] { ImeMode.Hiragana, ImeMode.Hiragana };
yield return new object[] { ImeMode.Katakana, ImeMode.Katakana };
yield return new object[] { ImeMode.KatakanaHalf, ImeMode.KatakanaHalf };
yield return new object[] { ImeMode.AlphaFull, ImeMode.AlphaFull };
yield return new object[] { ImeMode.Alpha, ImeMode.Alpha };
yield return new object[] { ImeMode.HangulFull, ImeMode.HangulFull };
yield return new object[] { ImeMode.Hangul, ImeMode.Hangul };
yield return new object[] { ImeMode.Close, ImeMode.Close };
yield return new object[] { ImeMode.OnHalf, ImeMode.On };
}
[WinFormsTheory]
[MemberData(nameof(ImeMode_Set_TestData))]
public void TrackBar_ImeMode_Set_GetReturnsExpected(ImeMode value, ImeMode expected)
{
using TrackBar control = new()
{
ImeMode = value
};
Assert.Equal(expected, control.ImeMode);
Assert.False(control.IsHandleCreated);
// Set same.
control.ImeMode = value;
Assert.Equal(expected, control.ImeMode);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[MemberData(nameof(ImeMode_Set_TestData))]
public void TrackBar_ImeMode_SetWithHandle_GetReturnsExpected(ImeMode value, ImeMode expected)
{
using TrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.ImeMode = value;
Assert.Equal(expected, control.ImeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.ImeMode = value;
Assert.Equal(expected, control.ImeMode);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_ImeMode_SetWithHandler_CallsImeModeChanged()
{
using TrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ImeModeChanged += handler;
// Set different.
control.ImeMode = ImeMode.On;
Assert.Equal(ImeMode.On, control.ImeMode);
Assert.Equal(0, callCount);
// Set same.
control.ImeMode = ImeMode.On;
Assert.Equal(ImeMode.On, control.ImeMode);
Assert.Equal(0, callCount);
// Set different.
control.ImeMode = ImeMode.Off;
Assert.Equal(ImeMode.Off, control.ImeMode);
Assert.Equal(0, callCount);
// Remove handler.
control.ImeModeChanged -= handler;
control.ImeMode = ImeMode.Off;
Assert.Equal(ImeMode.Off, control.ImeMode);
Assert.Equal(0, callCount);
}
[WinFormsTheory]
[InvalidEnumData<ImeMode>]
public void TrackBar_ImeMode_SetInvalid_ThrowsInvalidEnumArgumentException(ImeMode value)
{
using TrackBar control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.ImeMode = value);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(11)]
public void TrackBar_LargeChange_Set_GetReturnsExpected(int value)
{
using SubTrackBar control = new()
{
LargeChange = value
};
Assert.Equal(value, control.LargeChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(11)]
public void TrackBar_LargeChange_SetWithHandle_GetReturnsExpected(int value)
{
using SubTrackBar 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.LargeChange = value;
Assert.Equal(value, control.LargeChange);
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPAGESIZE));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.LargeChange = value;
Assert.Equal(value, control.LargeChange);
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPAGESIZE));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_LargeChange_SetNegative_ThrowsArgumentOutOfRangeException()
{
using SubTrackBar control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.LargeChange = -1);
Assert.Equal(5, control.LargeChange);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(8)]
[InlineData(10)]
[InlineData(11)]
public void TrackBar_Maximum_Set_GetReturnsExpected(int value)
{
using SubTrackBar control = new()
{
Maximum = value
};
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0, 1)]
[InlineData(8, 1)]
[InlineData(10, 0)]
[InlineData(11, 1)]
public void TrackBar_Maximum_SetWithHandle_GetReturnsExpected(int value, int expectedInvalidatedCallCount)
{
using SubTrackBar 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.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(0, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(0, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Maximum = value;
Assert.Equal(value, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(0, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(0, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(0, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_Maximum_SetLessThanValueAndMinimum_SetsValueAndMinimum()
{
using SubTrackBar control = new()
{
Value = 10,
Minimum = 8,
Maximum = 5
};
Assert.Equal(5, control.Maximum);
Assert.Equal(5, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TrackBar_Maximum_SetLessThanValueAndMinimumWithHandle_SetsValueAndMinimum()
{
using SubTrackBar control = new()
{
Value = 10,
Minimum = 8
};
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.Maximum = 5;
Assert.Equal(5, control.Maximum);
Assert.Equal(5, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(5, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(5, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(5, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_Maximum_SetNegative_SetsValueAndMinimum()
{
using SubTrackBar control = new()
{
Maximum = -1
};
Assert.Equal(-1, control.Maximum);
Assert.Equal(-1, control.Minimum);
Assert.Equal(-1, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(5)]
public void TrackBar_Minimum_Set_GetReturnsExpected(int value)
{
using SubTrackBar control = new()
{
Value = 5,
Minimum = value
};
Assert.Equal(10, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Minimum = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1, 1)]
[InlineData(0, 0)]
[InlineData(5, 1)]
public void TrackBar_Minimum_SetWithHandle_GetReturnsExpected(int value, int expectedInvalidatedCallCount)
{
using SubTrackBar control = new()
{
Value = 5
};
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.Minimum = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(10, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(5, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Minimum = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(value, control.Minimum);
Assert.Equal(5, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(10, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(5, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_Minimum_SetGreaterThanValueAndMaximum_SetsValueAndMinimum()
{
using SubTrackBar control = new()
{
Value = 10,
Maximum = 8,
Minimum = 12
};
Assert.Equal(12, control.Maximum);
Assert.Equal(12, control.Minimum);
Assert.Equal(12, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TrackBar_Minimum_SetGreaterThanValueAndMaximumWithHandle_SetsValueAndMinimum()
{
using SubTrackBar control = new()
{
Value = 10,
Maximum = 8
};
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.Minimum = 12;
Assert.Equal(12, control.Maximum);
Assert.Equal(12, control.Minimum);
Assert.Equal(12, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(12, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(12, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(12, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(1, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
public static IEnumerable<object[]> Orientation_Set_TestData()
{
yield return new object[] { true, Orientation.Horizontal, new Size(104, s_dimension), false };
yield return new object[] { true, Orientation.Vertical, new Size(104, s_dimension), true };
yield return new object[] { false, Orientation.Horizontal, new Size(104, s_dimension), false };
yield return new object[] { false, Orientation.Vertical, new Size(104, s_dimension), false };
}
[WinFormsTheory]
[MemberData(nameof(Orientation_Set_TestData))]
public void TrackBar_Orientation_Set_GetReturnsExpected(bool autoSize, Orientation value, Size expectedSize, bool expectedFixedWidth)
{
using SubTrackBar control = new()
{
AutoSize = autoSize,
Orientation = value
};
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.False(control.IsHandleCreated);
// Set same.
control.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.False(control.GetStyle(ControlStyles.FixedHeight));
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Orientation_SetWithCustomOldValue_TestData()
{
yield return new object[] { true, Orientation.Horizontal, new Size(s_dimension, s_dimension), false, true };
yield return new object[] { true, Orientation.Vertical, new Size(104, s_dimension), true, false };
yield return new object[] { false, Orientation.Horizontal, new Size(s_dimension, s_dimension), false, false };
yield return new object[] { false, Orientation.Vertical, new Size(104, s_dimension), false, false };
}
[WinFormsTheory]
[MemberData(nameof(Orientation_SetWithCustomOldValue_TestData))]
public void TrackBar_Orientation_SetWithCustomOldValue_GetReturnsExpected(bool autoSize, Orientation value, Size expectedSize, bool expectedFixedWidth, bool expectedFixedHeight)
{
using SubTrackBar control = new()
{
AutoSize = autoSize,
Orientation = Orientation.Vertical
};
control.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(expectedFixedHeight, control.GetStyle(ControlStyles.FixedHeight));
Assert.False(control.IsHandleCreated);
// Set same.
control.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(expectedFixedHeight, control.GetStyle(ControlStyles.FixedHeight));
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Orientation_SetWithHandle_TestData()
{
yield return new object[] { true, Orientation.Horizontal, new Size(104, s_dimension), false, false, 0 };
yield return new object[] { true, Orientation.Vertical, new Size(s_dimension, 104), true, false, 1 };
yield return new object[] { false, Orientation.Horizontal, new Size(104, s_dimension), false, false, 0 };
yield return new object[] { false, Orientation.Vertical, new Size(s_dimension, 104), false, false, 1 };
}
[WinFormsTheory]
[MemberData(nameof(Orientation_SetWithHandle_TestData))]
public void TrackBar_Orientation_SetWithHandle_GetReturnsExpected(bool autoSize, Orientation value, Size expectedSize, bool expectedFixedWidth, bool expectedFixedHeight, int expectedCreatedCallCount)
{
using SubTrackBar 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.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(expectedFixedHeight, control.GetStyle(ControlStyles.FixedHeight));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(expectedFixedHeight, control.GetStyle(ControlStyles.FixedHeight));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
public static IEnumerable<object[]> Orientation_SetWithCustomOldValueWithHandle_TestData()
{
yield return new object[] { true, Orientation.Horizontal, new Size(s_dimension, s_dimension), false, true, 1 };
yield return new object[] { true, Orientation.Vertical, new Size(s_dimension, s_dimension), true, false, 0 };
yield return new object[] { false, Orientation.Horizontal, new Size(s_dimension, s_dimension), false, false, 1 };
yield return new object[] { false, Orientation.Vertical, new Size(s_dimension, s_dimension), false, false, 0 };
}
[WinFormsTheory]
[MemberData(nameof(Orientation_SetWithCustomOldValueWithHandle_TestData))]
public void TrackBar_Orientation_SetWithCustomOldValueWithHandle_GetReturnsExpected(bool autoSize, Orientation value, Size expectedSize, bool expectedFixedWidth, bool expectedFixedHeight, int expectedCreatedCallCount)
{
using SubTrackBar control = new()
{
AutoSize = autoSize,
Orientation = Orientation.Vertical
};
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.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(expectedFixedHeight, control.GetStyle(ControlStyles.FixedHeight));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.Orientation = value;
Assert.Equal(value, control.Orientation);
Assert.Equal(expectedSize, control.Size);
Assert.Equal(expectedFixedWidth, control.GetStyle(ControlStyles.FixedWidth));
Assert.Equal(expectedFixedHeight, control.GetStyle(ControlStyles.FixedHeight));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
[WinFormsTheory]
[InvalidEnumData<Orientation>]
public void TrackBar_Orientation_SetInvalidValue_ThrowsInvalidEnumArgumentException(Orientation value)
{
using TrackBar control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.Orientation = value);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetPaddingNormalizedTheoryData))]
public void TrackBar_Padding_Set_GetReturnsExpected(Padding value, Padding expected)
{
using TrackBar control = new()
{
Padding = value
};
Assert.Equal(expected, control.Padding);
Assert.False(control.IsHandleCreated);
// Set same.
control.Padding = value;
Assert.Equal(expected, control.Padding);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetPaddingNormalizedTheoryData))]
public void TrackBar_Padding_SetWithHandle_GetReturnsExpected(Padding value, Padding expected)
{
using TrackBar 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.Padding = value;
Assert.Equal(expected, control.Padding);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Padding = value;
Assert.Equal(expected, control.Padding);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_Padding_SetWithHandler_CallsPaddingChanged()
{
using TrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Equal(control, sender);
Assert.Equal(EventArgs.Empty, e);
callCount++;
};
control.PaddingChanged += handler;
// Set different.
Padding padding1 = new(1);
control.Padding = padding1;
Assert.Equal(padding1, control.Padding);
Assert.Equal(1, callCount);
// Set same.
control.Padding = padding1;
Assert.Equal(padding1, control.Padding);
Assert.Equal(1, callCount);
// Set different.
Padding padding2 = new(2);
control.Padding = padding2;
Assert.Equal(padding2, control.Padding);
Assert.Equal(2, callCount);
// Remove handler.
control.PaddingChanged -= handler;
control.Padding = padding1;
Assert.Equal(padding1, control.Padding);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(RightToLeft.Yes, true, 1)]
[InlineData(RightToLeft.Yes, false, 0)]
[InlineData(RightToLeft.No, true, 1)]
[InlineData(RightToLeft.No, false, 0)]
[InlineData(RightToLeft.Inherit, true, 1)]
[InlineData(RightToLeft.Inherit, false, 0)]
public void TrackBar_RightToLeftLayout_Set_GetReturnsExpected(RightToLeft rightToLeft, bool value, int expectedLayoutCallCount)
{
using SubTrackBar control = new()
{
RightToLeft = rightToLeft
};
int layoutCallCount = 0;
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("RightToLeftLayout", e.AffectedProperty);
layoutCallCount++;
};
control.RightToLeftLayout = value;
Assert.Equal(value, control.RightToLeftLayout);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set same.
control.RightToLeftLayout = value;
Assert.Equal(value, control.RightToLeftLayout);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.False(control.IsHandleCreated);
// Set different.
control.RightToLeftLayout = !value;
Assert.Equal(!value, control.RightToLeftLayout);
Assert.Equal(expectedLayoutCallCount + 1, layoutCallCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(RightToLeft.Yes, true, 1, 1, 2)]
[InlineData(RightToLeft.Yes, false, 0, 0, 1)]
[InlineData(RightToLeft.No, true, 1, 0, 0)]
[InlineData(RightToLeft.No, false, 0, 0, 0)]
[InlineData(RightToLeft.Inherit, true, 1, 0, 0)]
[InlineData(RightToLeft.Inherit, false, 0, 0, 0)]
public void TrackBar_RightToLeftLayout_SetWithHandle_GetReturnsExpected(RightToLeft rightToLeft, bool value, int expectedLayoutCallCount, int expectedCreatedCallCount1, int expectedCreatedCallCount2)
{
using TrackBar control = new()
{
RightToLeft = rightToLeft
};
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) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("RightToLeftLayout", e.AffectedProperty);
layoutCallCount++;
};
control.RightToLeftLayout = value;
Assert.Equal(value, control.RightToLeftLayout);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount1, createdCallCount);
// Set same.
control.RightToLeftLayout = value;
Assert.Equal(value, control.RightToLeftLayout);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount1, createdCallCount);
// Set different.
control.RightToLeftLayout = !value;
Assert.Equal(!value, control.RightToLeftLayout);
Assert.Equal(expectedLayoutCallCount + 1, layoutCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount2, createdCallCount);
}
[WinFormsFact]
public void TrackBar_RightToLeftLayout_SetWithHandler_CallsRightToLeftLayoutChanged()
{
using TrackBar control = new()
{
RightToLeftLayout = true
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.RightToLeftLayoutChanged += handler;
// Set different.
control.RightToLeftLayout = false;
Assert.False(control.RightToLeftLayout);
Assert.Equal(1, callCount);
// Set same.
control.RightToLeftLayout = false;
Assert.False(control.RightToLeftLayout);
Assert.Equal(1, callCount);
// Set different.
control.RightToLeftLayout = true;
Assert.True(control.RightToLeftLayout);
Assert.Equal(2, callCount);
// Remove handler.
control.RightToLeftLayoutChanged -= handler;
control.RightToLeftLayout = false;
Assert.False(control.RightToLeftLayout);
Assert.Equal(2, callCount);
}
[WinFormsFact]
public void TrackBar_RightToLeftLayout_SetWithHandlerInDisposing_DoesNotRightToLeftLayoutChanged()
{
using TrackBar control = new()
{
RightToLeft = RightToLeft.Yes
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int callCount = 0;
control.RightToLeftLayoutChanged += (sender, e) => callCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int disposedCallCount = 0;
control.Disposed += (sender, e) =>
{
control.RightToLeftLayout = true;
Assert.True(control.RightToLeftLayout);
Assert.Equal(0, callCount);
Assert.Equal(0, createdCallCount);
disposedCallCount++;
};
control.Dispose();
Assert.Equal(1, disposedCallCount);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(11)]
public void TrackBar_SmallChange_Set_GetReturnsExpected(int value)
{
using SubTrackBar control = new()
{
SmallChange = value
};
Assert.Equal(value, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.SmallChange = value;
Assert.Equal(value, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(11)]
public void TrackBar_SmallChange_SetWithHandle_GetReturnsExpected(int value)
{
using SubTrackBar 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.SmallChange = value;
Assert.Equal(value, control.SmallChange);
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETLINESIZE));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.SmallChange = value;
Assert.Equal(value, control.SmallChange);
Assert.Equal(value, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETLINESIZE));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_SmallChange_SetNegative_ThrowsArgumentOutOfRangeException()
{
using SubTrackBar control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.SmallChange = -1);
Assert.Equal(1, control.SmallChange);
}
[WinFormsTheory]
[NormalizedStringData]
public void TrackBar_Text_Set_GetReturnsExpected(string value, string expected)
{
using TrackBar 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 TrackBar_Text_SetWithHandle_GetReturnsExpected(string value, string expected)
{
using TrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Text = value;
Assert.Equal(expected, control.Text);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_Text_SetWithHandler_CallsTextChanged()
{
using TrackBar 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(-1)]
[InlineData(0)]
[InlineData(1)]
[InlineData(20)]
[InlineData(int.MaxValue)]
public void TrackBar_TickFrequency_Set_GetReturnsExpected(int value)
{
using TrackBar control = new()
{
TickFrequency = value
};
Assert.Equal(value, control.TickFrequency);
Assert.False(control.IsHandleCreated);
// Set same.
control.TickFrequency = value;
Assert.Equal(value, control.TickFrequency);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1, 1)]
[InlineData(0, 1)]
[InlineData(1, 0)]
[InlineData(20, 1)]
[InlineData(int.MaxValue, 1)]
public void TrackBar_TickFrequency_SetWithHandle_GetReturnsExpected(int value, int expectedInvalidatedCallCount)
{
using TrackBar 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.TickFrequency = value;
Assert.Equal(value, control.TickFrequency);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.TickFrequency = value;
Assert.Equal(value, control.TickFrequency);
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[EnumData<TickStyle>]
public void TrackBar_TickStyle_Set_GetReturnsExpected(TickStyle value)
{
using TrackBar control = new()
{
TickStyle = value
};
Assert.Equal(value, control.TickStyle);
Assert.False(control.IsHandleCreated);
// Set same.
control.TickStyle = value;
Assert.Equal(value, control.TickStyle);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(TickStyle.Both, 1)]
[InlineData(TickStyle.BottomRight, 0)]
[InlineData(TickStyle.None, 1)]
[InlineData(TickStyle.TopLeft, 1)]
public void TrackBar_TickStyle_SetWithHandle_GetReturnsExpected(TickStyle value, int expectedCreatedCallCount)
{
using TrackBar 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.TickStyle = value;
Assert.Equal(value, control.TickStyle);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Set same.
control.TickStyle = value;
Assert.Equal(value, control.TickStyle);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
}
[WinFormsTheory]
[InvalidEnumData<TickStyle>]
public void TrackBar_TickStyle_SetInvalidValue_ThrowsInvalidEnumArgumentException(TickStyle value)
{
using TrackBar control = new();
Assert.Throws<InvalidEnumArgumentException>("value", () => control.TickStyle = value);
}
public static IEnumerable<object[]> Value_Set_TestData()
{
foreach (Orientation orientation in Enum.GetValues(typeof(Orientation)))
{
foreach (RightToLeft rightToLeft in Enum.GetValues(typeof(RightToLeft)))
{
foreach (bool rightToLeftLayout in new bool[] { true, false })
{
yield return new object[] { orientation, rightToLeft, rightToLeftLayout, 0 };
yield return new object[] { orientation, rightToLeft, rightToLeftLayout, 1 };
yield return new object[] { orientation, rightToLeft, rightToLeftLayout, 5 };
yield return new object[] { orientation, rightToLeft, rightToLeftLayout, 9 };
yield return new object[] { orientation, rightToLeft, rightToLeftLayout, 10 };
}
}
}
}
[WinFormsTheory]
[MemberData(nameof(Value_Set_TestData))]
public void TrackBar_Value_Set_GetReturnsExpected(Orientation orientation, RightToLeft rightToLeft, bool rightToLeftLayout, int value)
{
using TrackBar control = new()
{
Orientation = orientation,
RightToLeft = rightToLeft,
RightToLeftLayout = rightToLeftLayout,
Value = value
};
Assert.Equal(10, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Value = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(9)]
[InlineData(10)]
[InlineData(11)]
public void TrackBar_Value_SetInitializing_GetReturnsExpected(int value)
{
using TrackBar control = new();
control.BeginInit();
control.Value = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
// Set same.
control.Value = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> Value_SetWithHandle_TestData()
{
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, true, 0, 0 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, false, 0, 10 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, true, 0, 0 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, false, 0, 0 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, true, 0, 0 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, false, 0, 0 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, true, 0, 10 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, false, 0, 10 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, true, 0, 10 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, false, 0, 10 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, true, 0, 10 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, false, 0, 10 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, true, 1, 1 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, false, 1, 9 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, true, 1, 1 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, false, 1, 1 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, true, 1, 1 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, false, 1, 1 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, true, 1, 9 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, false, 1, 9 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, true, 1, 9 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, false, 1, 9 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, true, 1, 9 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, false, 1, 9 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, true, 5, 5 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, false, 5, 5 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, true, 5, 5 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, false, 5, 5 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, true, 5, 5 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, false, 5, 5 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, true, 5, 5 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, false, 5, 5 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, true, 5, 5 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, false, 5, 5 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, true, 5, 5 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, false, 5, 5 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, true, 9, 9 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, false, 9, 1 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, true, 9, 9 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, false, 9, 9 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, true, 9, 9 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, false, 9, 9 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, true, 9, 1 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, false, 9, 1 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, true, 9, 1 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, false, 9, 1 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, true, 9, 1 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, false, 9, 1 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, true, 10, 10 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Yes, false, 10, 0 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, true, 10, 10 };
yield return new object[] { Orientation.Horizontal, RightToLeft.No, false, 10, 10 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, true, 10, 10 };
yield return new object[] { Orientation.Horizontal, RightToLeft.Inherit, false, 10, 10 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, true, 10, 0 };
yield return new object[] { Orientation.Vertical, RightToLeft.Yes, false, 10, 0 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, true, 10, 0 };
yield return new object[] { Orientation.Vertical, RightToLeft.No, false, 10, 0 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, true, 10, 0 };
yield return new object[] { Orientation.Vertical, RightToLeft.Inherit, false, 10, 0 };
}
[WinFormsTheory]
[MemberData(nameof(Value_SetWithHandle_TestData))]
public void TrackBar_Value_SetWithHandle_GetReturnsExpected(Orientation orientation, RightToLeft rightToLeft, bool rightToLeftLayout, int value, int expectedPos)
{
using TrackBar control = new()
{
Orientation = orientation,
RightToLeft = rightToLeft,
RightToLeftLayout = rightToLeftLayout
};
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.Value = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(expectedPos, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Set same.
control.Value = value;
Assert.Equal(10, control.Maximum);
Assert.Equal(0, control.Minimum);
Assert.Equal(value, control.Value);
Assert.Equal(5, control.LargeChange);
Assert.Equal(1, control.SmallChange);
Assert.Equal(expectedPos, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_Value_SetWithHandler_CallsValueChanged()
{
using TrackBar control = new();
int callCount = 0;
EventHandler valueChangedHandler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
callCount++;
};
control.ValueChanged += valueChangedHandler;
// Set different.
control.Value = 1;
Assert.Equal(1, control.Value);
Assert.Equal(1, callCount);
// Set same.
control.Value = 1;
Assert.Equal(1, control.Value);
Assert.Equal(1, callCount);
// Set different.
control.Value = 2;
Assert.Equal(2, control.Value);
Assert.Equal(2, callCount);
// Remove handler.
control.ValueChanged -= valueChangedHandler;
control.Value = 1;
Assert.Equal(1, control.Value);
Assert.Equal(2, callCount);
}
[WinFormsTheory]
[InlineData(-1)]
[InlineData(11)]
public void TrackBar_Value_SetOutOfRange_ThrowsArgumentOutOfRangeException(int value)
{
using TrackBar control = new();
Assert.Throws<ArgumentOutOfRangeException>("value", () => control.Value = value);
Assert.Equal(0, control.Value);
}
[WinFormsFact]
public void TrackBar_BeginInit_InvokeMultipleTimes_Success()
{
using TrackBar control = new();
control.BeginInit();
// Call again.
control.BeginInit();
}
[WinFormsFact]
public void TrackBar_CreateHandle_Invoke_Success()
{
using SubTrackBar control = new();
control.CreateHandle();
Assert.True(control.Created);
Assert.True(control.IsHandleCreated);
Assert.NotEqual(IntPtr.Zero, control.Handle);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(1)]
[InlineData(5)]
[InlineData(9)]
[InlineData(10)]
public void TrackBar_EndInit_InvokeNotInitializing_Nop(int value)
{
using TrackBar control = new();
control.Value = value;
Assert.Equal(value, control.Value);
control.EndInit();
Assert.Equal(value, control.Value);
Assert.False(control.IsHandleCreated);
// Call again.
control.EndInit();
Assert.Equal(value, control.Value);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(1, 1)]
[InlineData(5, 5)]
[InlineData(9, 9)]
[InlineData(10, 10)]
[InlineData(11, 10)]
public void TrackBar_EndInit_InvokeInitializing_Success(int value, int expectedValue)
{
using TrackBar control = new();
control.BeginInit();
control.Value = value;
Assert.Equal(value, control.Value);
control.EndInit();
Assert.Equal(expectedValue, control.Value);
Assert.False(control.IsHandleCreated);
// Call again.
control.EndInit();
Assert.Equal(expectedValue, control.Value);
Assert.False(control.IsHandleCreated);
}
[WinFormsFact]
public void TrackBar_GetAutoSizeMode_Invoke_ReturnsExpected()
{
using SubTrackBar control = new();
Assert.Equal(AutoSizeMode.GrowOnly, control.GetAutoSizeMode());
}
[WinFormsTheory]
[InlineData(ControlStyles.ContainerControl, false)]
[InlineData(ControlStyles.UserPaint, false)]
[InlineData(ControlStyles.Opaque, false)]
[InlineData(ControlStyles.ResizeRedraw, false)]
[InlineData(ControlStyles.FixedWidth, false)]
[InlineData(ControlStyles.FixedHeight, false)]
[InlineData(ControlStyles.StandardClick, true)]
[InlineData(ControlStyles.Selectable, true)]
[InlineData(ControlStyles.UserMouse, false)]
[InlineData(ControlStyles.SupportsTransparentBackColor, false)]
[InlineData(ControlStyles.StandardDoubleClick, true)]
[InlineData(ControlStyles.AllPaintingInWmPaint, true)]
[InlineData(ControlStyles.CacheText, false)]
[InlineData(ControlStyles.EnableNotifyMessage, false)]
[InlineData(ControlStyles.DoubleBuffer, false)]
[InlineData(ControlStyles.OptimizedDoubleBuffer, false)]
[InlineData(ControlStyles.UseTextForAccessibility, false)]
[InlineData((ControlStyles)0, true)]
[InlineData((ControlStyles)int.MaxValue, false)]
[InlineData((ControlStyles)(-1), false)]
public void TrackBar_GetStyle_Invoke_ReturnsExpected(ControlStyles flag, bool expected)
{
using SubTrackBar control = new();
Assert.Equal(expected, control.GetStyle(flag));
// Call again to test caching.
Assert.Equal(expected, control.GetStyle(flag));
}
[WinFormsFact]
public void TrackBar_GetTopLevel_Invoke_ReturnsExpected()
{
using SubTrackBar control = new();
Assert.False(control.GetTopLevel());
}
[WinFormsTheory]
[InlineData(Keys.Alt, false)]
[InlineData(Keys.Alt | Keys.PageUp, false)]
[InlineData(Keys.PageUp, true)]
[InlineData(Keys.PageDown, true)]
[InlineData(Keys.Home, true)]
[InlineData(Keys.End, true)]
[InlineData(Keys.A, false)]
public void TrackBar_IsInputKey_Invoke_ReturnsExpected(Keys keyData, bool expected)
{
using SubTrackBar control = new();
Assert.Equal(expected, control.IsInputKey(keyData));
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnBackColorChanged_Invoke_CallsBackColorChanged(EventArgs eventArgs)
{
using SubTrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.BackColorChanged += handler;
control.OnBackColorChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.BackColorChanged -= handler;
control.OnBackColorChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnBackColorChanged_InvokeWithHandle_CallsBackColorChanged(EventArgs eventArgs)
{
using SubTrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.BackColorChanged += handler;
control.OnBackColorChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.BackColorChanged -= handler;
control.OnBackColorChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(4, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnClick_Invoke_CallsClick(EventArgs eventArgs)
{
using SubTrackBar 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 TrackBar_OnDoubleClick_Invoke_CallsDoubleClick(EventArgs eventArgs)
{
using SubTrackBar 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 TrackBar_OnHandleCreated_Invoke_CallsHandleCreated(EventArgs eventArgs)
{
using SubTrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnHandleCreated_InvokeWithHandle_CallsHandleCreated(EventArgs eventArgs)
{
using SubTrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.HandleCreated += handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
// Remove handler.
control.HandleCreated -= handler;
control.OnHandleCreated(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
}
[WinFormsTheory]
[CommonMemberData(typeof(CommonTestHelperEx), nameof(CommonTestHelperEx.GetMouseEventArgsTheoryData))]
public void TrackBar_OnMouseClick_Invoke_CallsMouseClick(MouseEventArgs eventArgs)
{
using SubTrackBar 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 TrackBar_OnMouseDoubleClick_Invoke_CallsMouseDoubleClick(MouseEventArgs eventArgs)
{
using SubTrackBar 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);
}
public static IEnumerable<object[]> MouseEventArgs_TestData()
{
yield return new object[] { new MouseEventArgs(MouseButtons.None, 0, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 0, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Right, 0, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 1, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Right, 1, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 2, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Right, 2, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Left, 3, 0, 0, 0) };
yield return new object[] { new MouseEventArgs(MouseButtons.Right, 3, 0, 0, 0) };
}
[WinFormsTheory]
[MemberData(nameof(MouseEventArgs_TestData))]
public void TrackBar_OnMouseWheel_Invoke_CallsMouseWheel(MouseEventArgs eventArgs)
{
using SubTrackBar control = new();
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.MouseWheel += handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.MouseWheel -= handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[BoolData]
public void TrackBar_OnMouseWheel_InvokeHandledMouseEventArgs_SetsHandled(bool handled)
{
using SubTrackBar control = new();
HandledMouseEventArgs eventArgs = new(MouseButtons.Left, 1, 2, 3, 4, handled);
int callCount = 0;
MouseEventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
Assert.Equal(handled, eventArgs.Handled);
callCount++;
};
control.MouseWheel += handler;
control.OnMouseWheel(eventArgs);
Assert.Equal(1, callCount);
Assert.True(eventArgs.Handled);
}
[WinFormsFact]
public void TrackBar_OnMouseWheel_NullE_ThrowsNullReferenceException()
{
using SubTrackBar control = new();
Assert.Throws<NullReferenceException>(() => control.OnMouseWheel(null));
}
public static IEnumerable<object[]> OnRightToLeftLayoutChanged_TestData()
{
yield return new object[] { RightToLeft.Yes, null };
yield return new object[] { RightToLeft.Yes, new EventArgs() };
yield return new object[] { RightToLeft.No, null };
yield return new object[] { RightToLeft.No, new EventArgs() };
yield return new object[] { RightToLeft.Inherit, null };
yield return new object[] { RightToLeft.Inherit, new EventArgs() };
}
[WinFormsTheory]
[MemberData(nameof(OnRightToLeftLayoutChanged_TestData))]
public void TrackBar_OnRightToLeftLayoutChanged_Invoke_CallsRightToLeftLayoutChanged(RightToLeft rightToLeft, EventArgs eventArgs)
{
using SubTrackBar control = new()
{
RightToLeft = rightToLeft
};
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.RightToLeftLayoutChanged += handler;
control.OnRightToLeftLayoutChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.RightToLeftLayoutChanged -= handler;
control.OnRightToLeftLayoutChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> OnRightToLeftLayoutChanged_WithHandle_TestData()
{
yield return new object[] { RightToLeft.Yes, null, 1 };
yield return new object[] { RightToLeft.Yes, new EventArgs(), 1 };
yield return new object[] { RightToLeft.No, null, 0 };
yield return new object[] { RightToLeft.No, new EventArgs(), 0 };
yield return new object[] { RightToLeft.Inherit, null, 0 };
yield return new object[] { RightToLeft.Inherit, new EventArgs(), 0 };
}
[WinFormsTheory]
[MemberData(nameof(OnRightToLeftLayoutChanged_WithHandle_TestData))]
public void TrackBar_OnRightToLeftLayoutChanged_InvokeWithHandle_CallsRightToLeftLayoutChanged(RightToLeft rightToLeft, EventArgs eventArgs, int expectedCreatedCallCount)
{
using SubTrackBar control = new()
{
RightToLeft = rightToLeft
};
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.RightToLeftLayoutChanged += handler;
control.OnRightToLeftLayoutChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount, createdCallCount);
// Remove handler.
control.RightToLeftLayoutChanged -= handler;
control.OnRightToLeftLayoutChanged(eventArgs);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(expectedCreatedCallCount * 2, createdCallCount);
}
[WinFormsFact]
public void TrackBar_OnRightToLeftLayoutChanged_InvokeInDisposing_DoesNotCallRightToLeftLayoutChanged()
{
using SubTrackBar control = new()
{
RightToLeft = RightToLeft.Yes
};
Assert.NotEqual(IntPtr.Zero, control.Handle);
int callCount = 0;
control.RightToLeftLayoutChanged += (sender, e) => callCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int disposedCallCount = 0;
control.Disposed += (sender, e) =>
{
control.OnRightToLeftLayoutChanged(EventArgs.Empty);
Assert.Equal(0, callCount);
Assert.Equal(0, createdCallCount);
disposedCallCount++;
};
control.Dispose();
Assert.Equal(1, disposedCallCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnScroll_Invoke_CallsScroll(EventArgs eventArgs)
{
using SubTrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.Scroll += handler;
control.OnScroll(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.Scroll -= handler;
control.OnScroll(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnSystemColorsChanged_Invoke_CallsSystemColorsChanged(EventArgs eventArgs)
{
using SubTrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.SystemColorsChanged += handler;
control.OnSystemColorsChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
// Remove handler.
control.SystemColorsChanged -= handler;
control.OnSystemColorsChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.False(control.IsHandleCreated);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnSystemColorsChanged_InvokeWithHandle_CallsSystemColorsChanged(EventArgs eventArgs)
{
using SubTrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.SystemColorsChanged += handler;
control.OnSystemColorsChanged(eventArgs);
Assert.Equal(1, callCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(2, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
// Remove handler.
control.SystemColorsChanged -= handler;
control.OnSystemColorsChanged(eventArgs);
Assert.True(control.IsHandleCreated);
Assert.Equal(4, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void TrackBar_OnValueChanged_Invoke_CallsValueChanged(EventArgs eventArgs)
{
using SubTrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
control.ValueChanged += handler;
control.OnValueChanged(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
control.ValueChanged -= handler;
control.OnValueChanged(eventArgs);
Assert.Equal(1, callCount);
}
public static IEnumerable<object[]> SetBoundsCore_TestData()
{
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
foreach (Orientation orientation in Enum.GetValues(typeof(Orientation)))
{
yield return new object[] { false, orientation, 0, 0, 104, s_dimension, specified, 104, s_dimension, 0, 0 };
yield return new object[] { false, orientation, 0, 0, 0, 0, specified, 0, 0, 0, 1 };
yield return new object[] { false, orientation, -1, -2, -3, -4, specified, -3, -4, 1, 1 };
yield return new object[] { false, orientation, 1, 0, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { false, orientation, 0, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { false, orientation, 1, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { false, orientation, 0, 0, 1, 0, specified, 1, 0, 0, 1 };
yield return new object[] { false, orientation, 0, 0, 0, 2, specified, 0, 2, 0, 1 };
yield return new object[] { false, orientation, 0, 0, 1, 2, specified, 1, 2, 0, 1 };
yield return new object[] { false, orientation, 1, 2, 30, 40, specified, 30, 40, 1, 1 };
}
}
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
if ((specified & BoundsSpecified.Height) != 0)
{
continue;
}
yield return new object[] { true, Orientation.Horizontal, 0, 0, 104, s_dimension, specified, 104, s_dimension, 0, 0 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 0, 0, specified, 0, 0, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, -1, -2, -3, -4, specified, -3, -4, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 1, 0, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 1, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 1, 0, specified, 1, 0, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 0, 2, specified, 0, 2, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 1, 2, specified, 1, 2, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, 1, 2, 30, 40, specified, 30, 40, 1, 1 };
}
foreach (BoundsSpecified specified in new BoundsSpecified[] { BoundsSpecified.Height, BoundsSpecified.Size, BoundsSpecified.All })
{
yield return new object[] { true, Orientation.Horizontal, 0, 0, 104, s_dimension, specified, 104, s_dimension, 0, 0 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 0, 0, specified, 0, s_dimension, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, -1, -2, -3, -4, specified, -3, s_dimension, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 1, 0, 0, 0, specified, 0, s_dimension, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 2, 0, 0, specified, 0, s_dimension, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 1, 2, 0, 0, specified, 0, s_dimension, 1, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 1, 0, specified, 1, s_dimension, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 0, 2, specified, 0, s_dimension, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, 0, 0, 1, 2, specified, 1, s_dimension, 0, 1 };
yield return new object[] { true, Orientation.Horizontal, 1, 2, 30, 40, specified, 30, s_dimension, 1, 1 };
}
foreach (BoundsSpecified specified in Enum.GetValues(typeof(BoundsSpecified)))
{
if ((specified & BoundsSpecified.Width) != 0)
{
continue;
}
yield return new object[] { true, Orientation.Vertical, 0, 0, 104, s_dimension, specified, 104, s_dimension, 0, 0 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 0, 0, specified, 0, 0, 0, 1 };
yield return new object[] { true, Orientation.Vertical, -1, -2, -3, -4, specified, -3, -4, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 1, 0, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 1, 2, 0, 0, specified, 0, 0, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 1, 0, specified, 1, 0, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 0, 2, specified, 0, 2, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 1, 2, specified, 1, 2, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 1, 2, 30, 40, specified, 30, 40, 1, 1 };
}
foreach (BoundsSpecified specified in new BoundsSpecified[] { BoundsSpecified.Width, BoundsSpecified.Size, BoundsSpecified.All })
{
yield return new object[] { true, Orientation.Vertical, 0, 0, 104, s_dimension, specified, s_dimension, s_dimension, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 0, 0, specified, s_dimension, 0, 0, 1 };
yield return new object[] { true, Orientation.Vertical, -1, -2, -3, -4, specified, s_dimension, -4, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 1, 0, 0, 0, specified, s_dimension, 0, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 2, 0, 0, specified, s_dimension, 0, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 1, 2, 0, 0, specified, s_dimension, 0, 1, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 1, 0, specified, s_dimension, 0, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 0, 2, specified, s_dimension, 2, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 0, 0, 1, 2, specified, s_dimension, 2, 0, 1 };
yield return new object[] { true, Orientation.Vertical, 1, 2, 30, 40, specified, s_dimension, 40, 1, 1 };
}
}
[WinFormsTheory]
[MemberData(nameof(SetBoundsCore_TestData))]
public void TrackBar_SetBoundsCore_Invoke_Success(bool autoSize, Orientation orientation, int x, int y, int width, int height, BoundsSpecified specified, int expectedWidth, int expectedHeight, int expectedLocationChangedCallCount, int expectedLayoutCallCount)
{
using SubTrackBar control = new()
{
AutoSize = autoSize,
Orientation = orientation
};
int moveCallCount = 0;
int locationChangedCallCount = 0;
int layoutCallCount = 0;
int resizeCallCount = 0;
int sizeChangedCallCount = 0;
int clientSizeChangedCallCount = 0;
control.Move += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(locationChangedCallCount, moveCallCount);
Assert.Equal(layoutCallCount, moveCallCount);
Assert.Equal(resizeCallCount, moveCallCount);
Assert.Equal(sizeChangedCallCount, moveCallCount);
Assert.Equal(clientSizeChangedCallCount, moveCallCount);
moveCallCount++;
};
control.LocationChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(moveCallCount - 1, locationChangedCallCount);
Assert.Equal(layoutCallCount, locationChangedCallCount);
Assert.Equal(resizeCallCount, locationChangedCallCount);
Assert.Equal(sizeChangedCallCount, locationChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, locationChangedCallCount);
locationChangedCallCount++;
};
control.Layout += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(control, e.AffectedControl);
Assert.Equal("Bounds", e.AffectedProperty);
Assert.Equal(resizeCallCount, layoutCallCount);
Assert.Equal(sizeChangedCallCount, layoutCallCount);
Assert.Equal(clientSizeChangedCallCount, layoutCallCount);
layoutCallCount++;
};
control.Resize += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(layoutCallCount - 1, resizeCallCount);
Assert.Equal(sizeChangedCallCount, resizeCallCount);
Assert.Equal(clientSizeChangedCallCount, resizeCallCount);
resizeCallCount++;
};
control.SizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, sizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, sizeChangedCallCount);
Assert.Equal(clientSizeChangedCallCount, sizeChangedCallCount);
sizeChangedCallCount++;
};
control.ClientSizeChanged += (sender, e) =>
{
Assert.Same(control, sender);
Assert.Same(EventArgs.Empty, e);
Assert.Equal(resizeCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(layoutCallCount - 1, clientSizeChangedCallCount);
Assert.Equal(sizeChangedCallCount - 1, clientSizeChangedCallCount);
clientSizeChangedCallCount++;
};
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + expectedWidth, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(x, y, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
// Call again.
control.SetBoundsCore(x, y, width, height, specified);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.ClientSize);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.ClientRectangle);
Assert.Equal(new Rectangle(0, 0, expectedWidth, expectedHeight), control.DisplayRectangle);
Assert.Equal(new Size(expectedWidth, expectedHeight), control.Size);
Assert.Equal(x, control.Left);
Assert.Equal(x + expectedWidth, control.Right);
Assert.Equal(y, control.Top);
Assert.Equal(y + expectedHeight, control.Bottom);
Assert.Equal(expectedWidth, control.Width);
Assert.Equal(expectedHeight, control.Height);
Assert.Equal(new Rectangle(x, y, expectedWidth, expectedHeight), control.Bounds);
Assert.Equal(expectedLocationChangedCallCount, moveCallCount);
Assert.Equal(expectedLocationChangedCallCount, locationChangedCallCount);
Assert.Equal(expectedLayoutCallCount, layoutCallCount);
Assert.Equal(expectedLayoutCallCount, resizeCallCount);
Assert.Equal(expectedLayoutCallCount, sizeChangedCallCount);
Assert.Equal(expectedLayoutCallCount, clientSizeChangedCallCount);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> SetRange_TestData()
{
yield return new object[] { 0, 10, 0, 10, 5 };
yield return new object[] { 0, 9, 0, 9, 5 };
yield return new object[] { 1, 10, 1, 10, 5 };
yield return new object[] { 10, 0, 10, 10, 10 };
yield return new object[] { 1, 9, 1, 9, 5 };
yield return new object[] { 5, 9, 5, 9, 5 };
yield return new object[] { 6, 9, 6, 9, 6 };
yield return new object[] { 1, 5, 1, 5, 5 };
yield return new object[] { 1, 4, 1, 4, 4 };
}
[WinFormsTheory]
[MemberData(nameof(SetRange_TestData))]
public void TrackBar_SetRange_Invoke_Success(int minValue, int maxValue, int expectedMinimum, int expectedMaximum, int expectedValue)
{
using TrackBar control = new()
{
Value = 5
};
control.SetRange(minValue, maxValue);
Assert.Equal(expectedMinimum, control.Minimum);
Assert.Equal(expectedMaximum, control.Maximum);
Assert.Equal(expectedValue, control.Value);
Assert.False(control.IsHandleCreated);
}
public static IEnumerable<object[]> SetRange_WithRange_TestData()
{
yield return new object[] { 0, 10, 0, 10, 5, 0 };
yield return new object[] { 0, 9, 0, 9, 5, 1 };
yield return new object[] { 1, 10, 1, 10, 5, 1 };
yield return new object[] { 10, 0, 10, 10, 10, 1 };
yield return new object[] { 1, 9, 1, 9, 5, 1 };
yield return new object[] { 5, 9, 5, 9, 5, 1 };
yield return new object[] { 6, 9, 6, 9, 6, 1 };
yield return new object[] { 1, 5, 1, 5, 5, 1 };
yield return new object[] { 1, 4, 1, 4, 4, 1 };
}
[WinFormsTheory]
[MemberData(nameof(SetRange_WithRange_TestData))]
public void TrackBar_SetRange_InvokeWithHandle_Success(int minValue, int maxValue, int expectedMinimum, int expectedMaximum, int expectedValue, int expectedInvalidatedCallCount)
{
using TrackBar control = new()
{
Value = 5
};
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.SetRange(minValue, maxValue);
Assert.Equal(expectedMinimum, control.Minimum);
Assert.Equal(expectedMaximum, control.Maximum);
Assert.Equal(expectedValue, control.Value);
Assert.Equal(expectedMinimum, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMIN));
Assert.Equal(expectedMaximum, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETRANGEMAX));
Assert.Equal(expectedValue, (int)PInvoke.SendMessage(control, PInvoke.TBM_GETPOS));
Assert.True(control.IsHandleCreated);
Assert.Equal(expectedInvalidatedCallCount, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_ToString_Invoke_ReturnsExpected()
{
using TrackBar control = new();
Assert.Equal("System.Windows.Forms.TrackBar, Minimum: 0, Maximum: 10, Value: 0", control.ToString());
}
[WinFormsFact]
public void TrackBar_WndProc_InvokeMouseHoverWithHandle_Success()
{
using SubTrackBar control = new();
Assert.NotEqual(IntPtr.Zero, control.Handle);
int invalidatedCallCount = 0;
control.Invalidated += (sender, e) => invalidatedCallCount++;
int styleChangedCallCount = 0;
control.StyleChanged += (sender, e) => styleChangedCallCount++;
int createdCallCount = 0;
control.HandleCreated += (sender, e) => createdCallCount++;
int callCount = 0;
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 static IEnumerable<object[]> WndProc_Scroll_TestData()
{
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, IntPtr.Zero };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(-1, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(0, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(1, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(2, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(3, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(4, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(5, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(6, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(7, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(8, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_HSCROLL, PARAM.FromLowHigh(9, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, IntPtr.Zero };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(-1, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(0, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(1, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(2, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(3, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(4, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(5, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(6, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(7, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(8, int.MaxValue) };
yield return new object[] { MessageId.WM_REFLECT | PInvoke.WM_VSCROLL, PARAM.FromLowHigh(9, int.MaxValue) };
}
[WinFormsTheory]
[MemberData(nameof(WndProc_Scroll_TestData))]
public void TrackBar_WndProc_InvokeScrollWithHandle_Success(int msg, IntPtr wParam)
{
using SubTrackBar control = new()
{
Value = 10
};
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 scrollCallCount = 0;
control.Scroll += (sender, e) => scrollCallCount++;
int valueChangedCallCount = 0;
control.ValueChanged += (sender, e) => valueChangedCallCount++;
Message m = new()
{
Msg = msg,
WParam = wParam,
Result = 250
};
control.WndProc(ref m);
Assert.Equal(250, m.Result);
Assert.Equal(10, control.Value);
Assert.Equal(0, scrollCallCount);
Assert.Equal(0, valueChangedCallCount);
Assert.True(control.IsHandleCreated);
Assert.Equal(0, invalidatedCallCount);
Assert.Equal(0, styleChangedCallCount);
Assert.Equal(0, createdCallCount);
}
[WinFormsFact]
public void TrackBar_AutoSizeChangedEvent_AddRemove_Success()
{
using TrackBar control = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
sender.Should().BeSameAs(control);
e.Should().BeSameAs(EventArgs.Empty);
callCount++;
};
control.AutoSizeChanged += handler;
control.AutoSize = !control.AutoSize;
callCount.Should().Be(1);
control.AutoSizeChanged -= handler;
control.AutoSize = !control.AutoSize;
callCount.Should().Be(1);
}
[WinFormsTheory]
[InlineData(100, 200, 0, 0, 50, 100)]
[InlineData(200, 300, 10, 20, 70, 140)]
[InlineData(300, 400, -10, -20, 70, 140)]
[InlineData(400, 500, 0, 0, 1, 1)]
[InlineData(500, 600, 0, 0, 500, 600)]
public void TrackBar_PaintEvent_AddRemove_Success(int bitmapWidth, int bitmapHeight, int rectX, int rectY, int rectWidth, int rectHeight)
{
using Bitmap bitmap = new(bitmapWidth, bitmapHeight);
using Graphics graphics = Graphics.FromImage(bitmap);
Rectangle rectangle = new(rectX, rectY, rectWidth, rectHeight);
using SubTrackBar trackBar = new();
int callCount = 0;
PaintEventHandler handler = (sender, e) =>
{
sender.Should().BeSameAs(trackBar);
e.Graphics.Should().BeSameAs(graphics);
e.ClipRectangle.Should().Be(rectangle);
callCount++;
};
trackBar.Paint += handler;
using (var eventArgs = new PaintEventArgs(graphics, rectangle))
{
trackBar.OnPaint(eventArgs);
}
callCount.Should().Be(1);
callCount = 0;
trackBar.Paint -= handler;
using (var eventArgs = new PaintEventArgs(graphics, rectangle))
{
trackBar.OnPaint(eventArgs);
}
trackBar.Invalidate();
callCount.Should().Be(0);
}
public class SubTrackBar : TrackBar
{
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 void CreateHandle() => base.CreateHandle();
public new AutoSizeMode GetAutoSizeMode() => base.GetAutoSizeMode();
public new bool GetStyle(ControlStyles flag) => base.GetStyle(flag);
public new bool GetTopLevel() => base.GetTopLevel();
public new bool IsInputKey(Keys keyData) => base.IsInputKey(keyData);
public new void OnBackColorChanged(EventArgs e) => base.OnBackColorChanged(e);
public new void OnClick(EventArgs e) => base.OnClick(e);
public new void OnDoubleClick(EventArgs e) => base.OnDoubleClick(e);
public new void OnForeColorChanged(EventArgs e) => base.OnForeColorChanged(e);
public new void OnHandleCreated(EventArgs e) => base.OnHandleCreated(e);
public new void OnHandleDestroyed(EventArgs e) => base.OnHandleDestroyed(e);
public new void OnMouseClick(MouseEventArgs e) => base.OnMouseClick(e);
public new void OnMouseDoubleClick(MouseEventArgs e) => base.OnMouseDoubleClick(e);
public new void OnMouseWheel(MouseEventArgs e) => base.OnMouseWheel(e);
public new void OnPaint(PaintEventArgs e) => base.OnPaint(e);
public new void OnRightToLeftLayoutChanged(EventArgs e) => base.OnRightToLeftLayoutChanged(e);
public new void OnScroll(EventArgs e) => base.OnScroll(e);
public new void OnSystemColorsChanged(EventArgs e) => base.OnSystemColorsChanged(e);
public new void OnValueChanged(EventArgs e) => base.OnValueChanged(e);
public new void SetBoundsCore(int x, int y, int width, int height, BoundsSpecified specified) => base.SetBoundsCore(x, y, width, height, specified);
public new void SetStyle(ControlStyles flag, bool value) => base.SetStyle(flag, value);
public new void WndProc(ref Message m) => base.WndProc(ref m);
}
}
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