public void ListViewGroupAccessibleObject_GetChild_Invoke_ReturnsExpected_IfHandleCreated(View view, bool showGroups)
{
using ListView listView = new ListView
{
View = view,
ShowGroups = showGroups
};
Assert.NotEqual(IntPtr.Zero, listView.Handle);
ListViewGroup listGroup1 = new ListViewGroup("Group1");
ListViewGroup listGroup2 = new ListViewGroup("Group2");
ListViewGroup listGroup3 = new ListViewGroup("Group2");
ListViewItem listItem1 = new ListViewItem(listGroup1);
ListViewItem listItem2 = new ListViewItem();
ListViewItem listItem3 = new ListViewItem(listGroup2);
ListViewItem listItem4 = new ListViewItem(listGroup2);
listView.Groups.Add(listGroup1);
listView.Groups.Add(listGroup2);
listView.Groups.Add(listGroup3);
listView.Items.Add(listItem1);
listView.Items.Add(listItem2);
listView.Items.Add(listItem3);
listView.Items.Add(listItem4);
ListViewGroupAccessibleObject group1AccObj = (ListViewGroupAccessibleObject)listGroup1.AccessibilityObject;
ListViewGroupAccessibleObject group2AccObj = (ListViewGroupAccessibleObject)listGroup2.AccessibilityObject;
ListViewGroupAccessibleObject group3AccObj = (ListViewGroupAccessibleObject)listGroup3.AccessibilityObject;
ListViewGroupAccessibleObject defaultGroupAccObj = (ListViewGroupAccessibleObject)listView.DefaultGroup.AccessibilityObject;
Assert.Null(group1AccObj.GetChild(-1));
Assert.Null(group1AccObj.GetChild(1));
Assert.Equal(listItem1.AccessibilityObject, group1AccObj.GetChild(0));
Assert.Null(group2AccObj.GetChild(-1));
Assert.Null(group2AccObj.GetChild(2));
Assert.Equal(listItem3.AccessibilityObject, group2AccObj.GetChild(0));
Assert.Equal(listItem4.AccessibilityObject, group2AccObj.GetChild(1));
Assert.Null(group3AccObj.GetChild(-1));
Assert.Null(group3AccObj.GetChild(0));
Assert.Null(defaultGroupAccObj.GetChild(-1));
Assert.Null(defaultGroupAccObj.GetChild(1));
Assert.Equal(listItem2.AccessibilityObject, defaultGroupAccObj.GetChild(0));
Assert.True(listView.IsHandleCreated);
}
public void ListViewGroupAccessibleObject_GetChild_Invoke_VirtualMode_ReturnExpected(View view, bool showGroups, bool createHandle)
{
using ListView listView = new ListView
{
View = view,
VirtualMode = true,
ShowGroups = showGroups,
VirtualListSize = 4
};
ListViewGroup listViewGroup1 = new ListViewGroup("Test1");
ListViewGroup listViewGroup2 = new ListViewGroup("Test2");
listView.Groups.Add(listViewGroup1);
listView.Groups.Add(listViewGroup2);
ListViewItem listItem1 = new ListViewItem(new string[] { "Item 1", "Item A" }, -1, listViewGroup1);
ListViewItem listItem2 = new ListViewItem("Group item 2", listViewGroup1);
ListViewItem listItem3 = new ListViewItem("Item 3");
ListViewItem listItem4 = new ListViewItem(new string[] { "Item 4", "Item B" }, -1);
listView.RetrieveVirtualItem += (s, e) =>
{
e.Item = e.ItemIndex switch
{
0 => listItem1,
1 => listItem2,
2 => listItem3,
3 => listItem4,
_ => throw new NotImplementedException()
};
};
if (createHandle)
{
listView.CreateControl();
}
listItem1.SetItemIndex(listView, 0);
listItem2.SetItemIndex(listView, 1);
listItem3.SetItemIndex(listView, 2);
listItem4.SetItemIndex(listView, 3);
ListViewGroupAccessibleObject group1AccObj = (ListViewGroupAccessibleObject)listViewGroup1.AccessibilityObject;
ListViewGroupAccessibleObject group2AccObj = (ListViewGroupAccessibleObject)listViewGroup2.AccessibilityObject;
ListViewGroupAccessibleObject defaultGroupAccObj = (ListViewGroupAccessibleObject)listView.DefaultGroup.AccessibilityObject;
Assert.Null(group1AccObj.GetChild(-1));
Assert.Null(group1AccObj.GetChild(0));
Assert.Null(group1AccObj.GetChild(1));
Assert.Null(group1AccObj.GetChild(2));
Assert.Null(group2AccObj.GetChild(-1));
Assert.Null(group2AccObj.GetChild(0));
Assert.Null(defaultGroupAccObj.GetChild(-1));
Assert.Null(defaultGroupAccObj.GetChild(0));
Assert.Null(defaultGroupAccObj.GetChild(1));
Assert.Null(defaultGroupAccObj.GetChild(2));
Assert.Equal(createHandle, listView.IsHandleCreated);
}