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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 Windows.Win32.System.Variant;
using Windows.Win32.UI.Accessibility;
namespace System.Windows.Forms.Tests.AccessibleObjects;
public class PictureBox_PictureBoxAccessibleObjectTests
{
[WinFormsFact]
public void PictureBoxAccessibleObject_Ctor_NullControl_ThrowsArgumentNullException()
{
Assert.Throws<ArgumentNullException>("ownerControl", () => new PictureBox.PictureBoxAccessibleObject(null));
}
[WinFormsFact]
public void PictureBoxAccessibleObject_Ctor_Default()
{
using PictureBox pictureBox = new();
Assert.False(pictureBox.IsHandleCreated);
var pictureBoxAccessibleObject = new PictureBox.PictureBoxAccessibleObject(pictureBox);
Assert.NotNull(pictureBoxAccessibleObject.Owner);
Assert.False(pictureBox.IsHandleCreated);
}
[WinFormsFact]
public void PictureBoxAccessibleObject_Description_ReturnsExpected()
{
using PictureBox pictureBox = new()
{
AccessibleDescription = "TestDescription",
};
Assert.False(pictureBox.IsHandleCreated);
var pictureBoxAccessibleObject = new PictureBox.PictureBoxAccessibleObject(pictureBox);
Assert.Equal("TestDescription", pictureBoxAccessibleObject.Description);
Assert.False(pictureBox.IsHandleCreated);
}
[WinFormsFact]
public void PictureBoxAccessibleObject_Name_ReturnsExpected()
{
using PictureBox pictureBox = new()
{
AccessibleName = "TestName"
};
Assert.False(pictureBox.IsHandleCreated);
var pictureBoxAccessibleObject = new PictureBox.PictureBoxAccessibleObject(pictureBox);
Assert.Equal("TestName", pictureBoxAccessibleObject.Name);
Assert.False(pictureBox.IsHandleCreated);
}
[WinFormsFact]
public void PictureBoxAccessibleObject_CustomRole_ReturnsExpected()
{
using PictureBox pictureBox = new()
{
AccessibleRole = AccessibleRole.PushButton
};
Assert.False(pictureBox.IsHandleCreated);
var pictureBoxAccessibleObject = new PictureBox.PictureBoxAccessibleObject(pictureBox);
Assert.Equal(AccessibleRole.PushButton, pictureBoxAccessibleObject.Role);
Assert.False(pictureBox.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(true, AccessibleRole.Client)]
[InlineData(false, AccessibleRole.None)]
public void PictureBoxAccessibleObject_DefaultRole_ReturnsExpected(bool createControl, AccessibleRole accessibleRole)
{
using PictureBox pictureBox = new();
if (createControl)
{
pictureBox.CreateControl();
}
var pictureBoxAccessibleObject = new PictureBox.PictureBoxAccessibleObject(pictureBox);
Assert.Equal(accessibleRole, pictureBoxAccessibleObject.Role);
Assert.Equal(createControl, pictureBox.IsHandleCreated);
}
[WinFormsTheory]
[InlineData((int)UIA_PROPERTY_ID.UIA_NamePropertyId, "TestName")]
[InlineData((int)UIA_PROPERTY_ID.UIA_ControlTypePropertyId, (int)UIA_CONTROLTYPE_ID.UIA_PaneControlTypeId)] // If AccessibleRole is Default
[InlineData((int)UIA_PROPERTY_ID.UIA_IsKeyboardFocusablePropertyId, true)]
[InlineData((int)UIA_PROPERTY_ID.UIA_AutomationIdPropertyId, "PictureBox1")]
public void PictureBoxAccessibleObject_GetPropertyValue_Invoke_ReturnsExpected(int propertyID, object expected)
{
using PictureBox pictureBox = new()
{
Name = "PictureBox1",
AccessibleName = "TestName"
};
PictureBox.PictureBoxAccessibleObject pictureBoxAccessibleObject = new(pictureBox);
using VARIANT value = pictureBoxAccessibleObject.GetPropertyValue((UIA_PROPERTY_ID)propertyID);
Assert.Equal(expected, value.ToObject());
Assert.False(pictureBox.IsHandleCreated);
}
[WinFormsFact]
public void PictureBoxAccessibleObject_IsPatternSupported_Invoke_ReturnsTrue_ForLegacyIAccessiblePatternId()
{
using PictureBox pictureBox = new();
Assert.False(pictureBox.IsHandleCreated);
var pictureBoxAccessibleObject = new PictureBox.PictureBoxAccessibleObject(pictureBox);
Assert.True(pictureBoxAccessibleObject.IsPatternSupported(UIA_PATTERN_ID.UIA_LegacyIAccessiblePatternId));
Assert.False(pictureBox.IsHandleCreated);
}
public static IEnumerable<object[]> PictureBoxAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole_TestData()
{
Array roles = Enum.GetValues(typeof(AccessibleRole));
foreach (AccessibleRole role in roles)
{
if (role == AccessibleRole.Default)
{
continue; // The test checks custom roles
}
yield return new object[] { role };
}
}
[WinFormsTheory]
[MemberData(nameof(PictureBoxAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole_TestData))]
public void PictureBoxAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole(AccessibleRole role)
{
using PictureBox pictureBox = new();
pictureBox.AccessibleRole = role;
var actual = (UIA_CONTROLTYPE_ID)(int)pictureBox.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_ControlTypePropertyId);
UIA_CONTROLTYPE_ID expected = AccessibleRoleControlTypeMap.GetControlType(role);
Assert.Equal(expected, actual);
Assert.False(pictureBox.IsHandleCreated);
}
}
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