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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;
namespace System.Windows.Forms.Tests;
public class FontDialogTests
{
[WinFormsFact]
public void FontDialog_Ctor_Default()
{
using SubFontDialog dialog = new();
Assert.True(dialog.AllowScriptChange);
Assert.True(dialog.AllowSimulations);
Assert.True(dialog.AllowVectorFonts);
Assert.True(dialog.AllowVerticalFonts);
Assert.True(dialog.CanRaiseEvents);
Assert.Equal(Color.Black, dialog.Color);
Assert.Null(dialog.Container);
Assert.False(dialog.DesignMode);
Assert.NotNull(dialog.Events);
Assert.Same(dialog.Events, dialog.Events);
Assert.False(dialog.FixedPitchOnly);
Assert.Equal(Control.DefaultFont, dialog.Font);
Assert.False(dialog.FontMustExist);
Assert.Equal(0, dialog.MaxSize);
Assert.Equal(0, dialog.MinSize);
Assert.Equal(0x40101, dialog.Options);
Assert.False(dialog.ScriptsOnly);
Assert.False(dialog.ShowApply);
Assert.False(dialog.ShowColor);
Assert.True(dialog.ShowEffects);
Assert.False(dialog.ShowHelp);
Assert.Null(dialog.Site);
Assert.Null(dialog.Tag);
}
[WinFormsFact]
public void FontDialog_Ctor_Default_OverridenReset()
{
using EmptyResetFontDialog dialog = new();
Assert.True(dialog.AllowScriptChange);
Assert.True(dialog.AllowSimulations);
Assert.True(dialog.AllowVectorFonts);
Assert.True(dialog.CanRaiseEvents);
Assert.True(dialog.AllowVerticalFonts);
Assert.True(dialog.CanRaiseEvents);
Assert.Equal(Color.Empty, dialog.Color);
Assert.Null(dialog.Container);
Assert.False(dialog.DesignMode);
Assert.NotNull(dialog.Events);
Assert.Same(dialog.Events, dialog.Events);
Assert.False(dialog.FixedPitchOnly);
Assert.Equal(Control.DefaultFont, dialog.Font);
Assert.False(dialog.FontMustExist);
Assert.Equal(0, dialog.MaxSize);
Assert.Equal(0, dialog.MinSize);
Assert.Equal(0, dialog.Options);
Assert.False(dialog.ScriptsOnly);
Assert.False(dialog.ShowApply);
Assert.False(dialog.ShowColor);
Assert.False(dialog.ShowEffects);
Assert.False(dialog.ShowHelp);
Assert.Null(dialog.Site);
Assert.Null(dialog.Tag);
}
[WinFormsTheory]
[InlineData(true, 0x40101, 0x440101)]
[InlineData(false, 0x440101, 0x40101)]
public void FontDialog_AllowScriptChange_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
AllowScriptChange = value
};
Assert.Equal(value, dialog.AllowScriptChange);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.AllowScriptChange = value;
Assert.Equal(value, dialog.AllowScriptChange);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.AllowScriptChange = !value;
Assert.Equal(!value, dialog.AllowScriptChange);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[InlineData(true, 0x40101, 0x41101)]
[InlineData(false, 0x41101, 0x40101)]
public void FontDialog_AllowSimulations_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
AllowSimulations = value
};
Assert.Equal(value, dialog.AllowSimulations);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.AllowSimulations = value;
Assert.Equal(value, dialog.AllowSimulations);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.AllowSimulations = !value;
Assert.Equal(!value, dialog.AllowSimulations);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[InlineData(true, 0x40101, 0x40901)]
[InlineData(false, 0x40901, 0x40101)]
public void FontDialog_AllowVectorFonts_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
AllowVectorFonts = value
};
Assert.Equal(value, dialog.AllowVectorFonts);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.AllowVectorFonts = value;
Assert.Equal(value, dialog.AllowVectorFonts);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.AllowVectorFonts = !value;
Assert.Equal(!value, dialog.AllowVectorFonts);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[InlineData(true, 0x40101, 0x1040101)]
[InlineData(false, 0x1040101, 0x40101)]
public void FontDialog_AllowVerticalFonts_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
AllowVerticalFonts = value
};
Assert.Equal(value, dialog.AllowVerticalFonts);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.AllowVerticalFonts = value;
Assert.Equal(value, dialog.AllowVerticalFonts);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.AllowVerticalFonts = !value;
Assert.Equal(!value, dialog.AllowVerticalFonts);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
public static IEnumerable<object[]> Color_Set_TestData()
{
yield return new object[] { Color.Empty, Color.Black };
yield return new object[] { Color.Black, Color.Black };
yield return new object[] { Color.Red, Color.Red };
yield return new object[] { Color.FromArgb(1, 2, 3, 4), Color.FromArgb(1, 2, 3, 4) };
yield return new object[] { SystemColors.ControlText, SystemColors.ControlText };
}
[WinFormsTheory]
[MemberData(nameof(Color_Set_TestData))]
public void FontDialog_Color_Set_GetReturnsExpected(Color value, Color expected)
{
using FontDialog dialog = new()
{
Color = value
};
Assert.Equal(expected, dialog.Color);
// Set same.
dialog.Color = value;
Assert.Equal(expected, dialog.Color);
}
[WinFormsTheory]
[MemberData(nameof(Color_Set_TestData))]
public void FontDialog_Color_SetWithCustomOldValue_GetReturnsExpected(Color value, Color expected)
{
using FontDialog dialog = new()
{
Color = Color.Yellow
};
dialog.Color = value;
Assert.Equal(expected, dialog.Color);
// Set same.
dialog.Color = value;
Assert.Equal(expected, dialog.Color);
}
[WinFormsTheory]
[InlineData(true, 0x44101, 0x40101)]
[InlineData(false, 0x40101, 0x44101)]
public void FontDialog_FixedPitchOnly_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
FixedPitchOnly = value
};
Assert.Equal(value, dialog.FixedPitchOnly);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.FixedPitchOnly = value;
Assert.Equal(value, dialog.FixedPitchOnly);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.FixedPitchOnly = !value;
Assert.Equal(!value, dialog.FixedPitchOnly);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsFact]
public void FontDialog_Font_GetWithSmallMinSize_ReturnsExpected()
{
using Font font = new("Arial", 8.25f);
using FontDialog dialog = new()
{
MinSize = 1,
Font = font
};
Assert.Same(font, dialog.Font);
}
[WinFormsFact]
public void FontDialog_Font_GetWithLargeMinSize_ReturnsExpected()
{
using Font font = new("Arial", 8.25f);
using FontDialog dialog = new()
{
MinSize = 100,
Font = font
};
Font result = dialog.Font;
Assert.NotSame(result, dialog.Font);
Assert.NotSame(font, dialog.Font);
Assert.Equal(font.FontFamily, result.FontFamily);
Assert.Equal(100, result.SizeInPoints);
Assert.Equal(font.Style, result.Style);
Assert.Equal(GraphicsUnit.Point, result.Unit);
}
[WinFormsFact]
public void FontDialog_Font_GetWithSmallMaxSize_ReturnsExpected()
{
using Font font = new("Arial", 8.25f);
using FontDialog dialog = new()
{
MaxSize = 1,
Font = font
};
Font result = dialog.Font;
Assert.NotSame(result, dialog.Font);
Assert.NotSame(font, dialog.Font);
Assert.Equal(font.FontFamily, result.FontFamily);
Assert.Equal(1, result.SizeInPoints);
Assert.Equal(font.Style, result.Style);
Assert.Equal(GraphicsUnit.Point, result.Unit);
}
[WinFormsFact]
public void FontDialog_Font_GetWithLargeMaxSize_ReturnsExpected()
{
using Font font = new("Arial", 8.25f);
using FontDialog dialog = new()
{
MaxSize = 100,
Font = font
};
Assert.Same(font, dialog.Font);
}
public static IEnumerable<object[]> Font_Set_TestData()
{
yield return new object[] { null };
yield return new object[] { SystemFonts.MenuFont };
Font font = new("Arial", 8.25f);
yield return new object[] { font };
}
[WinFormsTheory]
[MemberData(nameof(Font_Set_TestData))]
public void FontDialog_Font_Set_GetReturnsExpected(Font value)
{
using FontDialog dialog = new()
{
Font = value
};
Assert.Equal(value ?? Control.DefaultFont, dialog.Font);
// Set same.
dialog.Font = value;
Assert.Equal(value ?? Control.DefaultFont, dialog.Font);
}
[WinFormsTheory]
[MemberData(nameof(Font_Set_TestData))]
public void FontDialog_Font_SetWithCustomOldValue_GetReturnsExpected(Font value)
{
using Font font = new("Arial", 8.25f);
using FontDialog dialog = new()
{
Font = font
};
dialog.Font = value;
Assert.Equal(value ?? Control.DefaultFont, dialog.Font);
// Set same.
dialog.Font = value;
Assert.Equal(value ?? Control.DefaultFont, dialog.Font);
}
[WinFormsFact]
public void FontDialog_Font_ResetValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(FontDialog))[nameof(FontDialog.Font)];
using FontDialog dialog = new();
Assert.False(property.CanResetValue(dialog));
using Font font = new("Arial", 8.25f);
dialog.Font = font;
Assert.Same(font, dialog.Font);
Assert.True(property.CanResetValue(dialog));
property.ResetValue(dialog);
Assert.Equal(Control.DefaultFont, dialog.Font);
Assert.False(property.CanResetValue(dialog));
}
[WinFormsFact]
public void FontDialog_Font_ShouldSerializeValue_Success()
{
PropertyDescriptor property = TypeDescriptor.GetProperties(typeof(FontDialog))[nameof(FontDialog.Font)];
using FontDialog dialog = new();
Assert.False(property.ShouldSerializeValue(dialog));
using Font font = new("Arial", 8.25f);
dialog.Font = font;
Assert.Same(font, dialog.Font);
Assert.True(property.ShouldSerializeValue(dialog));
property.ResetValue(dialog);
Assert.Equal(Control.DefaultFont, dialog.Font);
Assert.False(property.ShouldSerializeValue(dialog));
}
[WinFormsTheory]
[InlineData(true, 0x50101, 0x40101)]
[InlineData(false, 0x40101, 0x50101)]
public void FontDialog_FontMustExist_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
FontMustExist = value
};
Assert.Equal(value, dialog.FontMustExist);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.FontMustExist = value;
Assert.Equal(value, dialog.FontMustExist);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.FontMustExist = !value;
Assert.Equal(!value, dialog.FontMustExist);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(1, 1)]
[InlineData(int.MaxValue, int.MaxValue)]
public void FontDialog_MinSize_Set_GetReturnsExpected(int value, int expected)
{
using FontDialog dialog = new()
{
MinSize = value
};
Assert.Equal(expected, dialog.MinSize);
Assert.Equal(0, dialog.MaxSize);
// Set same.
dialog.MinSize = value;
Assert.Equal(expected, dialog.MinSize);
Assert.Equal(0, dialog.MaxSize);
}
[WinFormsTheory]
[InlineData(-1, 0, 10)]
[InlineData(0, 0, 10)]
[InlineData(1, 1, 10)]
[InlineData(10, 10, 10)]
[InlineData(int.MaxValue, int.MaxValue, int.MaxValue)]
public void FontDialog_MinSize_SetWithMaxSize_GetReturnsExpected(int value, int expected, int expectedMaxSize)
{
using FontDialog dialog = new()
{
MaxSize = 10,
MinSize = value
};
Assert.Equal(expected, dialog.MinSize);
Assert.Equal(expectedMaxSize, dialog.MaxSize);
// Set same.
dialog.MinSize = value;
Assert.Equal(expected, dialog.MinSize);
Assert.Equal(expectedMaxSize, dialog.MaxSize);
}
[WinFormsTheory]
[InlineData(-1, 0)]
[InlineData(0, 0)]
[InlineData(1, 1)]
[InlineData(int.MaxValue, int.MaxValue)]
public void FontDialog_MaxSize_Set_GetReturnsExpected(int value, int expected)
{
using FontDialog dialog = new()
{
MaxSize = value
};
Assert.Equal(0, dialog.MinSize);
Assert.Equal(expected, dialog.MaxSize);
// Set same.
dialog.MaxSize = value;
Assert.Equal(0, dialog.MinSize);
Assert.Equal(expected, dialog.MaxSize);
}
[WinFormsTheory]
[InlineData(-1, 0, 10)]
[InlineData(0, 0, 10)]
[InlineData(1, 1, 1)]
[InlineData(10, 10, 10)]
[InlineData(int.MaxValue, int.MaxValue, 10)]
public void FontDialog_MaxSize_SetWithMinSize_GetReturnsExpected(int value, int expected, int expectedMinSize)
{
using FontDialog dialog = new()
{
MinSize = 10,
MaxSize = value
};
Assert.Equal(expectedMinSize, dialog.MinSize);
Assert.Equal(expected, dialog.MaxSize);
// Set same.
dialog.MaxSize = value;
Assert.Equal(expectedMinSize, dialog.MinSize);
Assert.Equal(expected, dialog.MaxSize);
}
[WinFormsTheory]
[InlineData(true, 0x40501, 0x40101)]
[InlineData(false, 0x40101, 0x40501)]
public void FontDialog_ScriptsOnly_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
ScriptsOnly = value
};
Assert.Equal(value, dialog.ScriptsOnly);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.ScriptsOnly = value;
Assert.Equal(value, dialog.ScriptsOnly);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.ScriptsOnly = !value;
Assert.Equal(!value, dialog.ScriptsOnly);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[InlineData(true, 0x40301, 0x40101)]
[InlineData(false, 0x40101, 0x40301)]
public void FontDialog_ShowApply_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
ShowApply = value
};
Assert.Equal(value, dialog.ShowApply);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.ShowApply = value;
Assert.Equal(value, dialog.ShowApply);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.ShowApply = !value;
Assert.Equal(!value, dialog.ShowApply);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[BoolData]
public void FontDialog_ShowColor_Set_GetReturnsExpected(bool value)
{
using FontDialog dialog = new()
{
ShowColor = value
};
Assert.Equal(value, dialog.ShowColor);
// Set same.
dialog.ShowColor = value;
Assert.Equal(value, dialog.ShowColor);
// Set different.
dialog.ShowColor = !value;
Assert.Equal(!value, dialog.ShowColor);
}
[WinFormsTheory]
[InlineData(true, 0x40101, 0x40001)]
[InlineData(false, 0x40001, 0x40101)]
public void FontDialog_ShowEffects_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
ShowEffects = value
};
Assert.Equal(value, dialog.ShowEffects);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.ShowEffects = value;
Assert.Equal(value, dialog.ShowEffects);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.ShowEffects = !value;
Assert.Equal(!value, dialog.ShowEffects);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsTheory]
[InlineData(true, 0x40105, 0x40101)]
[InlineData(false, 0x40101, 0x40105)]
public void FontDialog_ShowHelp_Set_GetReturnsExpected(bool value, int expectedOptions, int expectedOptionsAfter)
{
using SubFontDialog dialog = new()
{
ShowHelp = value
};
Assert.Equal(value, dialog.ShowHelp);
Assert.Equal(expectedOptions, dialog.Options);
// Set same.
dialog.ShowHelp = value;
Assert.Equal(value, dialog.ShowHelp);
Assert.Equal(expectedOptions, dialog.Options);
// Set different.
dialog.ShowHelp = !value;
Assert.Equal(!value, dialog.ShowHelp);
Assert.Equal(expectedOptionsAfter, dialog.Options);
}
[WinFormsFact]
public void FontDialog_Reset_Invoke_Success()
{
using Font font = new("Arial", 8.25f);
using SubFontDialog dialog = new()
{
AllowScriptChange = false,
AllowSimulations = false,
AllowVectorFonts = false,
AllowVerticalFonts = false,
FixedPitchOnly = true,
Font = font,
FontMustExist = true,
MaxSize = 10,
MinSize = 5,
ScriptsOnly = true,
ShowApply = true,
ShowColor = true,
ShowEffects = false,
ShowHelp = true,
Tag = "Tag",
};
dialog.Reset();
Assert.True(dialog.AllowScriptChange);
Assert.True(dialog.AllowSimulations);
Assert.True(dialog.AllowVectorFonts);
Assert.True(dialog.AllowVerticalFonts);
Assert.True(dialog.CanRaiseEvents);
Assert.Equal(Color.Black, dialog.Color);
Assert.Null(dialog.Container);
Assert.False(dialog.DesignMode);
Assert.NotNull(dialog.Events);
Assert.Same(dialog.Events, dialog.Events);
Assert.False(dialog.FixedPitchOnly);
Assert.Equal(Control.DefaultFont, dialog.Font);
Assert.False(dialog.FontMustExist);
Assert.Equal(0, dialog.MaxSize);
Assert.Equal(0, dialog.MinSize);
Assert.Equal(0x40101, dialog.Options);
Assert.False(dialog.ScriptsOnly);
Assert.False(dialog.ShowApply);
Assert.False(dialog.ShowColor);
Assert.True(dialog.ShowEffects);
Assert.False(dialog.ShowHelp);
Assert.Null(dialog.Site);
Assert.Equal("Tag", dialog.Tag);
}
public static IEnumerable<object[]> HookProc_TestData()
{
foreach (bool showColor in new bool[] { true, false })
{
yield return new object[] { showColor, (int)PInvoke.WM_INITDIALOG, IntPtr.Zero };
yield return new object[] { showColor, (int)PInvoke.WM_SETFOCUS, IntPtr.Zero };
yield return new object[] { showColor, (int)PInvoke.WM_COMMAND, IntPtr.Zero };
const uint CDM_SETDEFAULTFOCUS = (int)PInvoke.WM_USER + 0x51;
yield return new object[] { showColor, (int)CDM_SETDEFAULTFOCUS, IntPtr.Zero };
yield return new object[] { showColor, 0, IntPtr.Zero };
yield return new object[] { showColor, -1, IntPtr.Zero };
}
}
[WinFormsTheory]
[MemberData(nameof(HookProc_TestData))]
public void FontDialog_HookProc_Invoke_ReturnsZero(bool showColor, int msg, IntPtr wparam)
{
using SubFontDialog dialog = new()
{
ShowColor = showColor
};
int applyCallCount = 0;
dialog.Apply += (sender, e) => applyCallCount++;
Assert.Equal(IntPtr.Zero, dialog.HookProc(IntPtr.Zero, msg, wparam, IntPtr.Zero));
Assert.Equal(0, applyCallCount);
}
public static IEnumerable<object[]> HookProc_WithHWnd_TestData()
{
foreach (bool showColor in new bool[] { true, false })
{
yield return new object[] { showColor, (int)PInvoke.WM_INITDIALOG, IntPtr.Zero, 0 };
yield return new object[] { showColor, (int)PInvoke.WM_SETFOCUS, IntPtr.Zero, 0 };
yield return new object[] { showColor, (int)PInvoke.WM_COMMAND, IntPtr.Zero, 0 };
yield return new object[] { showColor, (int)PInvoke.WM_COMMAND, (IntPtr)0x402, 1 };
const uint CDM_SETDEFAULTFOCUS = (int)PInvoke.WM_USER + 0x51;
yield return new object[] { showColor, (int)CDM_SETDEFAULTFOCUS, IntPtr.Zero, 0 };
yield return new object[] { showColor, 0, IntPtr.Zero, 0 };
yield return new object[] { showColor, -1, IntPtr.Zero, 0 };
}
}
[WinFormsTheory]
[MemberData(nameof(HookProc_WithHWnd_TestData))]
public void FontDialog_HookProc_InvokeWithHWnd_ReturnsZero(bool showColor, int msg, IntPtr wparam, int expectedApplyCallCount)
{
using CustomClass control = new();
using SubFontDialog dialog = new()
{
ShowColor = showColor
};
int applyCallCount = 0;
dialog.Apply += (sender, e) => applyCallCount++;
Assert.Equal(IntPtr.Zero, dialog.HookProc(control.Handle, msg, wparam, IntPtr.Zero));
Assert.Equal(expectedApplyCallCount, applyCallCount);
}
private class CustomClass : Control
{
protected override unsafe void WndProc(ref Message m)
{
if (m.Msg == (int)PInvoke.WM_CHOOSEFONT_GETLOGFONT)
{
using Font font = new("Arial", 8.25f);
LOGFONTW* pLogfont = (LOGFONTW*)m.LParam;
object lf = new LOGFONTW();
font.ToLogFont(lf);
*pLogfont = (LOGFONTW)lf;
}
base.WndProc(ref m);
}
}
[WinFormsTheory]
[BoolData]
public void FontDialog_HookProc_Invoke_InvalidCommandHWnd(bool showColor)
{
using SubFontDialog dialog = new()
{
ShowColor = showColor
};
int applyCallCount = 0;
dialog.Apply += (sender, e) => applyCallCount++;
Assert.Throws<ArgumentException>(() => dialog.HookProc(IntPtr.Zero, (int)PInvoke.WM_COMMAND, 0x402, IntPtr.Zero));
}
[WinFormsTheory]
[NewAndDefaultData<EventArgs>]
public void FontDialog_OnApply_Invoke_CallsApply(EventArgs eventArgs)
{
using SubFontDialog dialog = new();
int callCount = 0;
EventHandler handler = (sender, e) =>
{
Assert.Same(dialog, sender);
Assert.Same(eventArgs, e);
callCount++;
};
// Call with handler.
dialog.Apply += handler;
dialog.OnApply(eventArgs);
Assert.Equal(1, callCount);
// Remove handler.
dialog.Apply -= handler;
dialog.OnApply(eventArgs);
Assert.Equal(1, callCount);
}
[WinFormsFact]
public void FontDialog_ToString_Invoke_ReturnsExpected()
{
using SubFontDialog dialog = new();
Assert.Equal($"System.Windows.Forms.Tests.FontDialogTests+SubFontDialog, Font: {Control.DefaultFont}", dialog.ToString());
}
private class SubFontDialog : FontDialog
{
public new bool CanRaiseEvents => base.CanRaiseEvents;
public new bool DesignMode => base.DesignMode;
public new EventHandlerList Events => base.Events;
public new int Options => base.Options;
public new IntPtr HookProc(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam) => base.HookProc(hWnd, msg, wparam, lparam);
public new bool RunDialog(IntPtr hWndOwner) => base.RunDialog(hWndOwner);
public new void OnApply(EventArgs e) => base.OnApply(e);
}
private class EmptyResetFontDialog : SubFontDialog
{
public override void Reset()
{
}
}
}
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