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Zheng-Li01Zheng-Li01
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Add code coverage for ButtonRenderer (#13745)
* Add code coverage for ButtonRenderer * Address FeedBacks * Address Feedbacks
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‎src/test/unit/System.Windows.Forms/System/Windows/Forms/ButtonRendererTests.cs

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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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using System.Drawing;
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using System.Windows.Forms.VisualStyles;
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namespace System.Windows.Forms.Tests;
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public class ButtonRendererTests
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{
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public static TheoryData<PushButtonState> ButtonStates => new()
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{
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PushButtonState.Normal,
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PushButtonState.Hot,
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PushButtonState.Pressed,
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PushButtonState.Disabled,
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PushButtonState.Default
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};
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[WinFormsTheory]
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[MemberData(nameof(ButtonStates))]
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public void DrawButton_DoesNotThrow(PushButtonState state)
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{
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using Bitmap bitmap = new(50, 20);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 50, 20);
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Exception? exception = Record.Exception(() => ButtonRenderer.DrawButton(graphics, bounds, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[MemberData(nameof(ButtonStates))]
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public void DrawButton_IDeviceContext_DoesNotThrow(PushButtonState state)
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{
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using Bitmap bitmap = new(60, 25);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 60, 25);
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ButtonRenderer.RenderMatchingApplicationState = false;
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Exception? exception = Record.Exception(() => ButtonRenderer.DrawButton(graphics, bounds, state));
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exception.Should().BeNull();
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ButtonRenderer.RenderMatchingApplicationState = true;
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Exception? exception2 = Record.Exception(() => ButtonRenderer.DrawButton(graphics, bounds, state));
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exception2.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, true)]
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[InlineData(PushButtonState.Normal, false)]
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[InlineData(PushButtonState.Hot, true)]
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[InlineData(PushButtonState.Hot, false)]
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[InlineData(PushButtonState.Pressed, true)]
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[InlineData(PushButtonState.Pressed, false)]
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[InlineData(PushButtonState.Disabled, true)]
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[InlineData(PushButtonState.Disabled, false)]
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[InlineData(PushButtonState.Default, true)]
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[InlineData(PushButtonState.Default, false)]
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public void DrawButton_Focused_DoesNotThrow(PushButtonState state, bool focused)
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{
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using Bitmap bitmap = new(80, 30);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 80, 30);
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Exception? exception = Record.Exception(() => ButtonRenderer.DrawButton(graphics, bounds, focused, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, "Test", true)]
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[InlineData(PushButtonState.Normal, "Test", false)]
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[InlineData(PushButtonState.Normal, null, true)]
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[InlineData(PushButtonState.Normal, null, false)]
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[InlineData(PushButtonState.Hot, "Test", true)]
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[InlineData(PushButtonState.Hot, "Test", false)]
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[InlineData(PushButtonState.Hot, null, true)]
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[InlineData(PushButtonState.Hot, null, false)]
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[InlineData(PushButtonState.Pressed, "Test", true)]
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[InlineData(PushButtonState.Pressed, "Test", false)]
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[InlineData(PushButtonState.Pressed, null, true)]
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[InlineData(PushButtonState.Pressed, null, false)]
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[InlineData(PushButtonState.Disabled, "Test", true)]
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[InlineData(PushButtonState.Disabled, "Test", false)]
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[InlineData(PushButtonState.Disabled, null, true)]
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[InlineData(PushButtonState.Disabled, null, false)]
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[InlineData(PushButtonState.Default, "Test", true)]
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[InlineData(PushButtonState.Default, "Test", false)]
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[InlineData(PushButtonState.Default, null, true)]
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[InlineData(PushButtonState.Default, null, false)]
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public void DrawButton_TextFontFocused_DoesNotThrow(PushButtonState state, string? buttonText, bool focused)
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{
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using Bitmap bitmap = new(100, 40);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 100, 40);
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using Font font = new("Segoe UI", 10);
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Exception? exception = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, buttonText, font, focused, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, "Sample", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Normal, "Sample", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Normal, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Normal, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Hot, "Sample", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Hot, "Sample", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Hot, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Hot, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Pressed, "Sample", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Pressed, "Sample", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Pressed, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Pressed, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Disabled, "Sample", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Disabled, "Sample", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Disabled, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Disabled, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Default, "Sample", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Default, "Sample", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Default, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Default, "Button", TextFormatFlags.SingleLine, false)]
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public void DrawButton_TextFontFlagsFocused_DoesNotThrow(
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PushButtonState state, string? buttonText, TextFormatFlags flags, bool focused)
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{
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using Bitmap bitmap = new(120, 50);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 120, 50);
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using Font font = new("Arial", 12);
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Exception? exception = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, buttonText, font, flags, focused, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, true)]
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[InlineData(PushButtonState.Normal, false)]
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[InlineData(PushButtonState.Hot, true)]
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[InlineData(PushButtonState.Hot, false)]
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[InlineData(PushButtonState.Pressed, true)]
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[InlineData(PushButtonState.Pressed, false)]
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[InlineData(PushButtonState.Disabled, true)]
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[InlineData(PushButtonState.Disabled, false)]
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[InlineData(PushButtonState.Default, true)]
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[InlineData(PushButtonState.Default, false)]
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public void DrawButton_ImageImageBoundsFocused_DoesNotThrow(PushButtonState state, bool focused)
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{
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using Bitmap bitmap = new(120, 50);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 120, 50);
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using Bitmap image = new(32, 32);
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Rectangle imageBounds = new(10, 10, 32, 32);
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Exception? exception = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, image, imageBounds, focused, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, "Icon", true)]
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[InlineData(PushButtonState.Normal, "Icon", false)]
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[InlineData(PushButtonState.Normal, null, true)]
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[InlineData(PushButtonState.Normal, null, false)]
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[InlineData(PushButtonState.Hot, "Icon", true)]
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[InlineData(PushButtonState.Hot, "Icon", false)]
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[InlineData(PushButtonState.Hot, null, true)]
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[InlineData(PushButtonState.Hot, null, false)]
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[InlineData(PushButtonState.Pressed, "Icon", true)]
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[InlineData(PushButtonState.Pressed, "Icon", false)]
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[InlineData(PushButtonState.Pressed, null, true)]
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[InlineData(PushButtonState.Pressed, null, false)]
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[InlineData(PushButtonState.Disabled, "Icon", true)]
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[InlineData(PushButtonState.Disabled, "Icon", false)]
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[InlineData(PushButtonState.Disabled, null, true)]
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[InlineData(PushButtonState.Disabled, null, false)]
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[InlineData(PushButtonState.Default, "Icon", true)]
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[InlineData(PushButtonState.Default, "Icon", false)]
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[InlineData(PushButtonState.Default, null, true)]
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[InlineData(PushButtonState.Default, null, false)]
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public void DrawButton_TextFontImageImageBoundsFocused_DoesNotThrow(
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PushButtonState state, string? buttonText, bool focused)
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{
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using Bitmap bitmap = new(140, 60);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 140, 60);
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using Font font = new("Tahoma", 11);
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using Bitmap image = new(24, 24);
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Rectangle imageBounds = new(20, 18, 24, 24);
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Exception? exception = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, buttonText, font, image, imageBounds, focused, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, "Combo", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Normal, "Combo", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Normal, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Normal, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Hot, "Combo", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Hot, "Combo", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Hot, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Hot, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Pressed, "Combo", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Pressed, "Combo", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Pressed, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Pressed, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Disabled, "Combo", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Disabled, "Combo", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Disabled, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Disabled, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Default, "Combo", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Default, "Combo", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Default, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Default, "Button", TextFormatFlags.SingleLine, false)]
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public void DrawButton_TextFontFlagsImageImageBoundsFocused_DoesNotThrow(
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PushButtonState state,
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string? buttonText,
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TextFormatFlags flags,
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bool focused)
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{
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using Bitmap bitmap = new(160, 70);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 160, 70);
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using Font font = new("Verdana", 13);
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using Bitmap image = new(32, 32);
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Rectangle imageBounds = new(30, 20, 32, 32);
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Exception? exception = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, buttonText, font, flags, image, imageBounds, focused, state));
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exception.Should().BeNull();
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}
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[WinFormsTheory]
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[InlineData(PushButtonState.Normal, "Advanced", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Normal, "Advanced", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Normal, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Normal, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Hot, "Advanced", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Hot, "Advanced", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Hot, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Hot, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Pressed, "Advanced", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Pressed, "Advanced", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Pressed, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Pressed, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Disabled, "Advanced", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Disabled, "Advanced", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Disabled, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Disabled, "Button", TextFormatFlags.SingleLine, false)]
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[InlineData(PushButtonState.Default, "Advanced", TextFormatFlags.Default, true)]
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[InlineData(PushButtonState.Default, "Advanced", TextFormatFlags.Default, false)]
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[InlineData(PushButtonState.Default, null, TextFormatFlags.HorizontalCenter | TextFormatFlags.VerticalCenter, true)]
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[InlineData(PushButtonState.Default, "Button", TextFormatFlags.SingleLine, false)]
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public void DrawButton_IDeviceContext_TextFontFlagsImageImageBoundsFocused_DoesNotThrow(
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PushButtonState state,
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string? buttonText,
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TextFormatFlags flags,
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bool focused)
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{
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using Bitmap bitmap = new(180, 80);
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using Graphics graphics = Graphics.FromImage(bitmap);
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Rectangle bounds = new(0, 0, 180, 80);
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using Font font = new("Calibri", 14);
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using Bitmap image = new(40, 40);
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Rectangle imageBounds = new(40, 30, 40, 40);
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ButtonRenderer.RenderMatchingApplicationState = false;
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Exception? exception = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, buttonText, font, flags, image, imageBounds, focused, state));
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exception.Should().BeNull();
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ButtonRenderer.RenderMatchingApplicationState = true;
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Exception? exception2 = Record.Exception(() =>
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ButtonRenderer.DrawButton(graphics, bounds, buttonText, font, flags, image, imageBounds, focused, state));
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exception2.Should().BeNull();
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}
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}

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