// 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.UI.Accessibility; using static System.Windows.Forms.ListViewItem; namespace System.Windows.Forms.Tests.AccessibleObjects; public class ListViewItem_ListViewItemWithImageAccessibleObjectTests { [WinFormsTheory] [MemberData(nameof(GetViewTheoryData))] public void ListViewItemListAccessibleObject_FragmentNavigate_Children_ReturnsNull_WithoutImage(View view) { using ListView control = new(); control.View = view; control.Items.Add(new ListViewItem()); AccessibleObject listViewItemAccessibleObject = control.Items[0].AccessibilityObject; Assert.Null(listViewItemAccessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild)); Assert.Null(listViewItemAccessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild)); Assert.False(control.IsHandleCreated); } [WinFormsTheory] [MemberData(nameof(GetViewTheoryData))] public void ListViewItemListAccessibleObject_FragmentNavigate_Children_IsExpected_WithImage(View view) { using ImageList imageCollection = new(); imageCollection.Images.Add(Form.DefaultIcon); ListViewItem listViewItem = new("Test", 0); using ListView control = new() { View = view, SmallImageList = imageCollection, LargeImageList = imageCollection }; if (!control.IsHandleCreated) { Assert.NotEqual(IntPtr.Zero, control.Handle); } control.Items.Add(listViewItem); AccessibleObject listViewItemAccessibleObject = control.Items[0].AccessibilityObject; var firstChild = listViewItemAccessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_FirstChild); var lastChild = listViewItemAccessibleObject.FragmentNavigate(NavigateDirection.NavigateDirection_LastChild); Assert.IsType<ListViewItemImageAccessibleObject>(firstChild); Assert.IsType<ListViewItemImageAccessibleObject>(lastChild); Assert.Same(firstChild, lastChild); Assert.True(control.IsHandleCreated); } [WinFormsTheory] [MemberData(nameof(GetViewTheoryData))] public void ListViewItemListAccessibleObject_GetChild_ReturnsNull_WithoutImage(View view) { using ListView control = new(); control.View = view; control.Items.Add(new ListViewItem()); AccessibleObject listViewItemAccessibleObject = control.Items[0].AccessibilityObject; Assert.Null(listViewItemAccessibleObject.GetChild(0)); Assert.False(control.IsHandleCreated); } [WinFormsTheory] [MemberData(nameof(GetViewTheoryData))] public void ListViewItemListAccessibleObject_GetChild_IsExpected_WithImage(View view) { using ImageList imageCollection = new(); imageCollection.Images.Add(Form.DefaultIcon); ListViewItem listViewItem = new("Test", 0); using ListView control = new() { View = view, SmallImageList = imageCollection, LargeImageList = imageCollection }; control.Items.Add(listViewItem); AccessibleObject listViewItemAccessibleObject = control.Items[0].AccessibilityObject; Assert.IsType<ListViewItemImageAccessibleObject>(listViewItemAccessibleObject.GetChild(0)); Assert.False(control.IsHandleCreated); } [WinFormsTheory] [MemberData(nameof(GetViewTheoryData))] public void ListViewItemListAccessibleObject_GetChildCount_WithoutImage(View view) { using ListView control = new(); control.View = view; control.Items.Add(new ListViewItem()); control.CreateControl(); AccessibleObject listViewItemAccessibleObject = control.Items[0].AccessibilityObject; Assert.Equal(AccessibleObject.InvalidIndex, listViewItemAccessibleObject.GetChildCount()); Assert.True(control.IsHandleCreated); } [WinFormsTheory] [MemberData(nameof(GetViewTheoryData))] public void ListViewItemListAccessibleObject_GetChildCount_WithImage(View view) { using ImageList imageCollection = new(); imageCollection.Images.Add(Form.DefaultIcon); ListViewItem listViewItem = new("Test", 0); using ListView control = new() { View = view, SmallImageList = imageCollection, LargeImageList = imageCollection }; control.Items.Add(listViewItem); control.CreateControl(); AccessibleObject listViewItemAccessibleObject = control.Items[0].AccessibilityObject; Assert.Equal(1, listViewItemAccessibleObject.GetChildCount()); Assert.True(control.IsHandleCreated); } public static TheoryData<View> GetViewTheoryData() { return [ View.LargeIcon, View.SmallIcon ]; } } |