Initial import

1 files changed, 89 insertions, 0 deletions

diff --git a/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue2953.cs b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue2953.cs
new file mode 100644
index 00000000..28aed46e
--- /dev/null
+++ b/Xamarin.Forms.Controls.Issues/Xamarin.Forms.Controls.Issues.Shared/Issue2953.cs
@@ -0,0 +1,89 @@
+using System;
+
+using Xamarin.Forms.CustomAttributes;
+using System.Collections.ObjectModel;
+
+#if UITEST
+using Xamarin.UITest;
+using NUnit.Framework;
+#endif
+
+namespace Xamarin.Forms.Controls
+{
+	[Preserve (AllMembers = true)]
+	[Issue (IssueTracker.Github, 2953, "GroupHeaderCells disappear when item is removed from a group in ListView (iOS only) ")]
+	public class Issue2953 : TestContentPage
+	{
+		protected override void Init ()
+		{
+			var items = new ObservableCollection<GroupedItems> () {
+				new GroupedItems ("Header 1") { "1.1", "1.2", "1.3" },
+				new GroupedItems ("Header 2") { "2.1", "2.2", "2.3" },
+				new GroupedItems ("Header 3") { "3.1", "3.2", "3.3" },
+				new GroupedItems ("Header 4") { "4.1", "4.2", "4.3" },
+			};
+
+			var listview = new ListView {
+				HasUnevenRows = true,
+				IsGroupingEnabled = true
+			};
+
+			listview.GroupHeaderTemplate = new DataTemplate
+				(typeof(HeaderCell));
+			listview.ItemTemplate = new DataTemplate (typeof(ItemCell));
+			listview.ItemsSource = items;
+
+			var btnRemove = new Button () { Text = "Remove", AutomationId="btnRemove" };
+			btnRemove.Clicked += delegate {
+				if (items[1].Count > 0) {
+					items[1].RemoveAt(0);
+				}
+			};
+
+			Content = new StackLayout {
+				Orientation = StackOrientation.Vertical,
+				Children = { listview, btnRemove }
+			};
+		}
+
+		[Preserve (AllMembers = true)]
+		internal class GroupedItems : ObservableCollection<string> {
+			public GroupedItems (string groupName) { GroupName = groupName; }
+			public string GroupName { get; private set; }
+		}
+
+		[Preserve (AllMembers = true)]
+		internal class HeaderCell : ViewCell
+		{
+			public HeaderCell () {
+				Height = 44;
+				var label = new Label { BackgroundColor = Color.Pink };
+				label.SetBinding (Label.TextProperty, "GroupName");
+				View = label;
+			}
+		}
+
+		[Preserve (AllMembers = true)]
+		internal class ItemCell : ViewCell
+		{
+			public ItemCell () {
+				var label = new Label { BackgroundColor = Color.Aqua };
+				label.SetBinding (Label.TextProperty, ".");
+				View = label;
+			}
+		}
+
+#if UITEST
+		[Test]
+		public void Issue2953Test ()
+		{
+			RunningApp.Screenshot ("I am at Issue 2953");
+			RunningApp.WaitForElement (q => q.Marked ("Header 3"));
+			RunningApp.Screenshot ("I see the Header 3");
+			RunningApp.Tap (q => q.Marked ("btnRemove"));
+			RunningApp.WaitForElement (q => q.Marked ("Header 3"));
+			RunningApp.Screenshot ("I still see the Header 3");
+		}
+#endif
+	}
+}