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Add code coverage for CheckBox #13455

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Add code coverage for CheckBox #13455

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f990756
Add code coverage for CheckBox
Zheng-Li01 May 14, 2025
e36c1f9
Address FeedBacks
Zheng-Li01 May 15, 2025
f1b0038
Address FeedBacks
Zheng-Li01 May 15, 2025
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52 changes: 52 additions & 0 deletions src/test/unit/System.Windows.Forms/System/Windows/Forms/CheckBoxTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -873,5 +873,57 @@ public void CheckBox_ProcessMnemonic_ValidCases(bool useMnemonic, char charCode,
checkBox.CheckState.Should().Be(CheckState.Checked);
}

[WinFormsTheory]
[InlineData(Appearance.Button, FlatStyle.Standard, "Test", 12, 8, 100, 20)]
[InlineData(Appearance.Normal, FlatStyle.System, "Test", 12, 8, 100, 20)]
[InlineData(Appearance.Normal, FlatStyle.Flat, "Test", 12, 8, 100, 20)]
[InlineData(Appearance.Normal, FlatStyle.Standard, "Test", 12, 8, 100, 20)]
public void CheckBox_GetPreferredSizeCore_VariousStyles_ReturnsExpected(
Appearance appearance, FlatStyle flatStyle, string text, int fontSize, int padding, int width, int height)
{
using SubCheckBox control = (SubCheckBox)CreateButton();
control.Appearance = appearance;
control.FlatStyle = flatStyle;
control.Text = text;
control.Font = new Font(FontFamily.GenericSansSerif, fontSize);
control.Padding = new Padding(padding);

Size proposed = new(width, height);

if (appearance == Appearance.Button)
{
Size size = control.GetPreferredSizeCore(proposed);
size.Width.Should().BeGreaterThan(0);
size.Height.Should().BeGreaterThan(0);
}
else if (flatStyle == FlatStyle.System)
{
Size size = control.GetPreferredSizeCore(proposed);
size.Width.Should().BeGreaterThan(0);
size.Height.Should().BeGreaterThan(0);
}
else
{
Size size = control.GetPreferredSizeCore(proposed);
size.Width.Should().BeGreaterThan(0);
size.Height.Should().BeGreaterThan(0);
}
}

[WinFormsFact]
public void CheckBox_GetPreferredSizeCore_EnsuresMinimumHeight()
{
using SubCheckBox control = (SubCheckBox)CreateButton();
control.FlatStyle = FlatStyle.System;
control.Text = "A";
control.Font = new Font(FontFamily.GenericSansSerif, 1);
control.Padding = Padding.Empty;

Size proposed = new(1, 1);
Size result = control.GetPreferredSizeCore(proposed);

result.Height.Should().BeGreaterThanOrEqualTo(13);
}

protected override ButtonBase CreateButton() => new SubCheckBox();
}