Add unit tests for ButtonBaseDesigner

src/System.Windows.Forms.Design/tests/UnitTests/ButtonBaseDesignerTests.cs

@@ -0,0 +1,54 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+using System.Collections;
+
+namespace System.Windows.Forms.Design.Tests;
+
+public class ButtonBaseDesignerTests
+{
+ [Fact]
+ public void ButtonBaseDesigner_Constructor_InitializesProperties()
+ {
+ using ButtonBaseDesigner buttonBaseDesigner = new();
+ bool autoResizeHandles = buttonBaseDesigner.AutoResizeHandles;
+
+ buttonBaseDesigner.Should().NotBeNull();
+ autoResizeHandles.Should().Be(true);
+ }
+
+ public static IEnumerable<object[]> IDictionary_TestData()
+ {
+ yield return new object[] { null };
+ yield return new object[] { new Dictionary<string, object>() };
+ }
+
+ [Theory]
+ [MemberData(nameof(IDictionary_TestData))]
+ public void ButtonBaseDesigner_InitializeNewComponent_WithDefaultButton(IDictionary defaultValues)
+ {
+ using ButtonBaseDesigner buttonBaseDesigner = new();
+ using Button button = new();
+ buttonBaseDesigner.Initialize(button);
+
+ buttonBaseDesigner.InitializeNewComponent(defaultValues);
+ }
+
+ [Theory]
+ [MemberData(nameof(IDictionary_TestData))]
+ public void ButtonBaseDesigner_InitializeNewComponent_Notinitialized(IDictionary defaultValues)
+ {
+ using ButtonBaseDesigner buttonBaseDesigner = new();
+ Assert.Throws<InvalidOperationException>(() => buttonBaseDesigner.InitializeNewComponent(defaultValues));
+ }
+
+ [Fact]
+ public void ButtonBaseDesigner_SnapLinesWithDefaultButton_ShouldReturnExpectedCount()
+ {
+ using ButtonBaseDesigner buttonBaseDesigner = new();
+ using Button button = new();
+ buttonBaseDesigner.Initialize(button);
+
+ buttonBaseDesigner.SnapLines.Count.Should().Be(9);
+ }
+}