public void ComboBoxItemAccessibleObject_Get_Not_ThrowsException()
{
using (new NoAssertContext())
{
using ComboBox control = new ComboBox();
HashNotImplementedObject item1 = new();
HashNotImplementedObject item2 = new();
HashNotImplementedObject item3 = new();
control.Items.AddRange(new[] { item1, item2, item3 });
ComboBox.ComboBoxAccessibleObject comboBoxAccessibleObject = (ComboBox.ComboBoxAccessibleObject)control.AccessibilityObject;
bool exceptionThrown = false;
try
{
ComboBox.ComboBoxItemAccessibleObject item1AccessibleObject = comboBoxAccessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(control.Items.InnerList[0]);
ComboBox.ComboBoxItemAccessibleObject item2AccessibleObject = comboBoxAccessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(control.Items.InnerList[1]);
ComboBox.ComboBoxItemAccessibleObject item3AccessibleObject = comboBoxAccessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(control.Items.InnerList[2]);
}
catch
{
exceptionThrown = true;
}
Assert.False(exceptionThrown, "Getting accessible object for ComboBox item has thrown an exception.");
}
}
public void ComboBoxItemAccessibleObject_SeveralSameItems_FragmentNavigate_NextSibling_ReturnExpected(ComboBoxStyle comboBoxStyle)
{
using ComboBox comboBox = new ComboBox
{
DropDownStyle = comboBoxStyle
};
comboBox.Items.AddRange(new[] { "aaa", "aaa", "aaa" });
comboBox.CreateControl();
ComboBoxItemAccessibleObjectCollection itemAccessibleObjects = ((ComboBox.ComboBoxAccessibleObject)comboBox.AccessibilityObject).ItemAccessibleObjects;
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
Assert.Equal("aaa", comboBoxItem1.Name);
Assert.Equal(comboBoxItem1, itemAccessibleObjects.GetComboBoxItemAccessibleObject(comboBox.Items.InnerList[0]));
// FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling) should return accessible object for second "aaa" item
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
Assert.NotEqual(comboBoxItem1, comboBoxItem2);
Assert.Equal("aaa", comboBoxItem2.Name);
Assert.Equal(comboBoxItem2, itemAccessibleObjects.GetComboBoxItemAccessibleObject(comboBox.Items.InnerList[1]));
// FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling) should return accessible object for third "aaa" item
ComboBox.ComboBoxItemAccessibleObject comboBoxItem3 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem2
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
Assert.NotEqual(comboBoxItem3, comboBoxItem2);
Assert.NotEqual(comboBoxItem3, comboBoxItem1);
Assert.Equal("aaa", comboBoxItem3.Name);
Assert.Equal(comboBoxItem3, itemAccessibleObjects.GetComboBoxItemAccessibleObject(comboBox.Items.InnerList[2]));
Assert.True(comboBox.IsHandleCreated);
}
public void ComboBoxItemAccessibleObject_SeveralSameItems_FragmentNavigate_NextSibling_ReturnExpected()
{
using (new NoAssertContext())
{
using ComboBox comboBox = new ComboBox();
comboBox.CreateControl();
comboBox.Items.AddRange(new[] { "aaa", "aaa", "aaa" });
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
Assert.Equal("aaa", comboBoxItem1.Name);
// FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling) should return accessible object for second "aaa" item
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
Assert.NotEqual(comboBoxItem1, comboBoxItem2);
Assert.Equal("aaa", comboBoxItem2.Name);
// FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling) should return accessible object for third "aaa" item
ComboBox.ComboBoxItemAccessibleObject comboBoxItem3 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem2
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
Assert.NotEqual(comboBoxItem3, comboBoxItem2);
Assert.NotEqual(comboBoxItem3, comboBoxItem1);
Assert.Equal("aaa", comboBoxItem3.Name);
Assert.True(comboBox.IsHandleCreated);
}
}
public void ComboBoxItemAccessibleObject_DropDownCollapsed_GetOffScreenProperty_ReturnExpected(ComboBoxStyle comboBoxStyle)
{
using ComboBox comboBox = GetComboBox(comboBoxStyle);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
AssertExtensions.True(comboBoxItem1, UiaCore.UIA.IsOffscreenPropertyId);
AssertExtensions.True(comboBoxItem2, UiaCore.UIA.IsOffscreenPropertyId);
}
public void ComboBoxItemAccessibleObject_DropDownCollapsed_State_ReturnExpected(ComboBoxStyle comboBoxStyle)
{
using ComboBox comboBox = GetComboBox(comboBoxStyle);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
Assert.Equal(comboBoxItem1.State, InvisibleItemState);
Assert.Equal(comboBoxItem2.State, InvisibleItemState);
}
public void ComboBoxItemAccessibleObject_GetOffScreenProperty_ReturnExpected()
{
using ComboBox comboBox = GetComboBoxWithMaxSize(ComboBoxStyle.Simple);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem3 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem2
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
AssertExtensions.True(comboBoxItem1, UiaCore.UIA.IsOffscreenPropertyId); // comboBoxItem1 above the visible area
AssertExtensions.False(comboBoxItem2, UiaCore.UIA.IsOffscreenPropertyId); // comboBoxItem2 in the visible area
AssertExtensions.True(comboBoxItem3, UiaCore.UIA.IsOffscreenPropertyId); // comboBoxItem3 below the visible area
}
public void ComboBoxItemAccessibleObject_DropDownHeight_State_ReturnExpected(ComboBoxStyle comboBoxStyle)
{
using ComboBox comboBox = GetComboBoxWithMaxHeight(comboBoxStyle);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem3 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem2
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
Assert.Equal(comboBoxItem1.State, InvisibleItemState); // comboBoxItem1 above the visible area
Assert.Equal(comboBoxItem2.State, VisibleItemState); // comboBoxItem2 in the visible area
Assert.Equal(comboBoxItem3.State, InvisibleItemState); // comboBoxItem3 below the visible area
}
public void ComboBoxItemAccessibleObject_State_ReturnExpected()
{
using ComboBox comboBox = GetComboBoxWithMaxSize(ComboBoxStyle.Simple);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem1 = (ComboBox.ComboBoxItemAccessibleObject)comboBox
.ChildListAccessibleObject.FragmentNavigate(Interop.UiaCore.NavigateDirection.FirstChild);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem2 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem1
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
ComboBox.ComboBoxItemAccessibleObject comboBoxItem3 = (ComboBox.ComboBoxItemAccessibleObject)comboBoxItem2
.FragmentNavigate(Interop.UiaCore.NavigateDirection.NextSibling);
AccessibleStates itemState = AccessibleStates.Invisible | AccessibleStates.Selected | AccessibleStates.Focusable | AccessibleStates.Selectable;
Assert.Equal(comboBoxItem1.State, InvisibleItemState); // comboBoxItem1 above the visible area
Assert.Equal(comboBoxItem2.State, itemState); // comboBoxItem2 in the visible area
Assert.Equal(comboBoxItem3.State, InvisibleItemState); // comboBoxItem3 below the visible area
}
public void ComboBoxItemAccessibleObject_DataBoundAccessibleName()
{
using (new NoAssertContext())
{
// Regression test for https://github.com/dotnet/winforms/issues/3549
using ComboBox control = new ComboBox()
{
DataSource = TestDataSources.GetPersons(),
DisplayMember = TestDataSources.PersonDisplayMember
};
ComboBox.ComboBoxAccessibleObject accessibleObject = Assert.IsType <ComboBox.ComboBoxAccessibleObject>(control.AccessibilityObject);
foreach (Person person in TestDataSources.GetPersons())
{
ComboBox.ComboBoxItemAccessibleObject item = accessibleObject.ItemAccessibleObjects.GetComboBoxItemAccessibleObject(new Entry(person));
AccessibleObject itemAccessibleObject = Assert.IsType <ComboBox.ComboBoxItemAccessibleObject>(item);
Assert.Equal(person.Name, itemAccessibleObject.Name);
}
}
}
