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Olina-ZhangOlina-Zhang
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Add unit test for ToolStripControlHost.ToolStripHostedControlAccessibleObject.cs file (#13794)
Add more test for uncovered internal override methods of ToolStripControlHost.ToolStripHostedControlAccessibleObject.cs file
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‎src/test/unit/System.Windows.Forms/System/Windows/Forms/AccessibleObjects/ToolStripControlHost.ToolStripHostedControlAccessibleObjectTests.cs‎

Lines changed: 131 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -4,12 +4,32 @@
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#nullable disable
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using System.Drawing;
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using Windows.Win32.System.Variant;
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using Windows.Win32.UI.Accessibility;
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namespace System.Windows.Forms.Tests.AccessibleObjects;
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public class ToolStripControlHost_ToolStripHostedControlAccessibleObjectTests
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public class ToolStripControlHost_ToolStripHostedControlAccessibleObjectTests : IDisposable
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{
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private readonly ToolStrip _toolStrip;
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private readonly TextBox _textBox;
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private readonly ToolStripControlHost _host;
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public ToolStripControlHost_ToolStripHostedControlAccessibleObjectTests()
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{
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_toolStrip = new ToolStrip();
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_textBox = new TextBox();
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_host = new ToolStripControlHost(_textBox);
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_toolStrip.Items.Add(_host);
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}
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public void Dispose()
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{
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_host.Dispose();
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_textBox.Dispose();
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_toolStrip.Dispose();
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}
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public static IEnumerable<object[]> ToolStripItemAccessibleObject_TestData()
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{
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return ReflectionHelper.GetPublicNotAbstractClasses<ToolStripControlHost>().Select(type => new object[] { type });
@@ -19,14 +39,119 @@ public static IEnumerable<object[]> ToolStripItemAccessibleObject_TestData()
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[MemberData(nameof(ToolStripItemAccessibleObject_TestData))]
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public void ToolStripHostedControlAccessibleObject_GetPropertyValue_IsOffscreenPropertyId_ReturnExpected(Type type)
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{
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using ToolStrip toolStrip = new();
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toolStrip.CreateControl();
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_toolStrip.CreateControl();
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using ToolStripControlHost item = ReflectionHelper.InvokePublicConstructor<ToolStripControlHost>(type);
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item.Size = new Size(0, 0);
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toolStrip.Items.Add(item);
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_toolStrip.Items.Add(item);
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GetIsOffscreenPropertyValue(item.AccessibilityObject).Should().BeTrue();
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GetIsOffscreenPropertyValue(item.Control.AccessibilityObject).Should().BeTrue();
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_FragmentRoot_Returns_Owner_AccessibilityObject_When_Valid()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, _host);
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IRawElementProviderFragmentRoot.Interface fragmentRoot = accessibleObject.FragmentRoot;
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fragmentRoot.Should().BeSameAs(_toolStrip.AccessibilityObject);
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_FragmentRoot_FallsBack_ToBase_When_Null()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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IRawElementProviderFragmentRoot.Interface fragmentRoot = accessibleObject.FragmentRoot;
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fragmentRoot.Should().Be(_textBox.AccessibilityObject.FragmentRoot);
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_FragmentNavigate_FallsBack_ToBase_When_Null()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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// Use a valid direction that is not handled by the switch, e.g. NavigateDirection.NavigateDirection_FirstChild
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NavigateDirection direction = NavigateDirection.NavigateDirection_FirstChild;
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IRawElementProviderFragment.Interface expected = _textBox.AccessibilityObject.FragmentNavigate(direction);
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IRawElementProviderFragment.Interface actual = accessibleObject.FragmentNavigate(direction);
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actual.Should().Be(expected);
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_ReturnsVariant_ForIsOffscreenPropertyId()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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VARIANT value = accessibleObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_IsOffscreenPropertyId);
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value.Type.Should().Be(VARENUM.VT_BOOL);
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((bool)value).Should().BeTrue();
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_GetPropertyValue_UnknownPropertyId_FallsBack_ToBase()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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VARIANT value = accessibleObject.GetPropertyValue((UIA_PROPERTY_ID)99999);
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value.Should().Be(_textBox.AccessibilityObject.GetPropertyValue((UIA_PROPERTY_ID)99999));
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_FragmentNavigate_Delegates_To_Host_For_Parent()
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{
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// Ensure the host is fully initialized and accessible
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_toolStrip.CreateControl();
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, _host);
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IRawElementProviderFragment.Interface expected =
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_host.AccessibilityObject.FragmentNavigate(NavigateDirection.NavigateDirection_Parent);
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IRawElementProviderFragment.Interface actual =
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accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_Parent);
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actual.Should().Be(expected);
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_FragmentNavigate_FallsBack_ToBase_For_OtherDirections()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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// Use a direction not handled by the switch, e.g. FirstChild
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IRawElementProviderFragment.Interface expected =
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_textBox.AccessibilityObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild);
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IRawElementProviderFragment.Interface actual =
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accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild);
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actual.Should().Be(expected);
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_IsPatternSupported_ValuePatternId_Returns_True()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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bool result = accessibleObject.IsPatternSupported(UIA_PATTERN_ID.UIA_ValuePatternId);
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result.Should().BeTrue();
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}
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[WinFormsFact]
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public void ToolStripHostedControlAccessibleObject_IsPatternSupported_UnknownPatternId_FallsBack_ToBase()
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{
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ToolStripControlHost.ToolStripHostedControlAccessibleObject accessibleObject =
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new(_textBox, null);
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bool expected = _textBox.AccessibilityObject.IsPatternSupported((UIA_PATTERN_ID)99999);
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bool actual = accessibleObject.IsPatternSupported((UIA_PATTERN_ID)99999);
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28-
Assert.True(GetIsOffscreenPropertyValue(item.AccessibilityObject));
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Assert.True(GetIsOffscreenPropertyValue(item.Control.AccessibilityObject));
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actual.Should().Be(expected);
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}
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private bool GetIsOffscreenPropertyValue(AccessibleObject accessibleObject) =>

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