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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 System.Drawing;
using Windows.Win32.System.Variant;
using Windows.Win32.UI.Accessibility;
namespace System.Windows.Forms.Tests.AccessibleObjects;
public class CheckedListBoxAccessibleObjectTests
{
[WinFormsFact]
public void CheckedListBoxAccessibleObject_CheckBounds()
{
using CheckedListBox checkedListBox = new();
checkedListBox.Size = new Size(120, 100);
checkedListBox.Items.Add("a");
checkedListBox.Items.Add("b");
checkedListBox.Items.Add("c");
checkedListBox.Items.Add("d");
checkedListBox.Items.Add("e");
checkedListBox.Items.Add("f");
checkedListBox.Items.Add("g");
checkedListBox.Items.Add("h");
checkedListBox.Items.Add("i");
int listBoxHeight = checkedListBox.AccessibilityObject.Bounds.Height;
int sumItemsHeight = 0;
for (int i = 0; i < checkedListBox.Items.Count; i++)
{
AccessibleObject item = checkedListBox.AccessibilityObject.GetChild(i);
sumItemsHeight += item.Bounds.Height;
}
Assert.Equal(listBoxHeight, sumItemsHeight);
}
[WinFormsTheory]
[InlineData(true, (int)UIA_CONTROLTYPE_ID.UIA_ListControlTypeId)]
[InlineData(false, (int)UIA_CONTROLTYPE_ID.UIA_ListControlTypeId)]
public void CheckedListBoxAccessibleObject_ControlType_IsExpected_IfAccessibleRoleIsDefault(bool createControl, int expectedType)
{
using CheckedListBox checkedListBox = new();
// AccessibleRole is not set = Default
if (createControl)
{
checkedListBox.CreateControl();
}
VARIANT actual = checkedListBox.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_ControlTypePropertyId);
Assert.Equal(expectedType, (int)actual);
Assert.Equal(createControl, checkedListBox.IsHandleCreated);
}
public static IEnumerable<object[]> CheckedListBoxAccessibleObject_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(CheckedListBoxAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole_TestData))]
public void CheckedListBoxAccessibleObject_GetPropertyValue_ControlType_IsExpected_ForCustomRole(AccessibleRole role)
{
using CheckedListBox checkedListBox = new();
checkedListBox.AccessibleRole = role;
VARIANT actual = checkedListBox.AccessibilityObject.GetPropertyValue(UIA_PROPERTY_ID.UIA_ControlTypePropertyId);
UIA_CONTROLTYPE_ID expected = AccessibleRoleControlTypeMap.GetControlType(role);
Assert.Equal(expected, (UIA_CONTROLTYPE_ID)(int)actual);
Assert.False(checkedListBox.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(true, AccessibleRole.List)]
[InlineData(false, AccessibleRole.None)]
public void CheckedListBoxAccessibleObject_Role_IsExpected_ByDefault(bool createControl, AccessibleRole expectedRole)
{
using CheckedListBox checkedListBox = new();
// AccessibleRole is not set = Default
if (createControl)
{
checkedListBox.CreateControl();
}
AccessibleRole actual = checkedListBox.AccessibilityObject.Role;
Assert.Equal(expectedRole, actual);
Assert.Equal(createControl, checkedListBox.IsHandleCreated);
}
[WinFormsTheory]
[InlineData(0)]
[InlineData(3)]
public void CheckedListBoxAccessibleObject_GetChildCount_ReturnsExpected(int childCount)
{
using CheckedListBox checkedListBox = new();
for (int i = 0; i < childCount; i++)
{
checkedListBox.Items.Add(i);
}
int actual = checkedListBox.AccessibilityObject.GetChildCount();
Assert.Equal(childCount, actual);
Assert.False(checkedListBox.IsHandleCreated);
}
[WinFormsFact]
public void CheckedListBoxAccessibleObject_RuntimeId_NotNull()
{
using CheckedListBox checkedListBox = new();
Assert.NotNull(checkedListBox.AccessibilityObject.RuntimeId);
Assert.False(checkedListBox.IsHandleCreated);
}
[WinFormsFact]
public void CheckedListBoxAccessibleObject_FragmentNavigate_NavigateToFirstChild_IsExpected()
{
using CheckedListBox checkedListBox = new();
AccessibleObject accessibleObject = checkedListBox.AccessibilityObject;
checkedListBox.Items.Add(0);
checkedListBox.Items.Add(1);
checkedListBox.Items.Add(2);
AccessibleObject expected = accessibleObject.GetChild(0);
Assert.Equal(expected, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild));
Assert.False(checkedListBox.IsHandleCreated);
}
[WinFormsFact]
public void CheckedListBoxAccessibleObject_FragmentNavigate_NavigateToLastChild_IsExpected()
{
using CheckedListBox checkedListBox = new();
AccessibleObject accessibleObject = checkedListBox.AccessibilityObject;
checkedListBox.Items.Add(0);
checkedListBox.Items.Add(1);
checkedListBox.Items.Add(2);
AccessibleObject expected = accessibleObject.GetChild(2);
Assert.Equal(expected, accessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild));
Assert.False(checkedListBox.IsHandleCreated);
}
}
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