1 files changed, 110 insertions, 0 deletions
diff --git a/Xamarin.Forms.Xaml.UnitTests/NameScopeTests.cs b/Xamarin.Forms.Xaml.UnitTests/NameScopeTests.cs
new file mode 100644
index 00000000..b622da27
--- /dev/null
+++ b/Xamarin.Forms.Xaml.UnitTests/NameScopeTests.cs
@@ -0,0 +1,110 @@
+using NUnit.Framework;
+
+using Xamarin.Forms.Core.UnitTests;
+
+namespace Xamarin.Forms.Xaml.UnitTests
+{
+
+	[TestFixture]
+	public class NameScopeTests : BaseTestFixture
+	{
+		[Test]
+		public void TopLevelObjectsHaveANameScope ()
+		{
+			var xaml = @"
+				<View 
+				xmlns=""http://xamarin.com/schemas/2014/forms""
+				xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml"" />";
+
+			var view = new CustomView ().LoadFromXaml (xaml);
+
+			Assert.IsNotNull (Forms.Internals.NameScope.GetNameScope (view));
+			Assert.That (Forms.Internals.NameScope.GetNameScope (view), Is.TypeOf<Forms.Internals.NameScope> ());
+		}
+
+		[Test]
+		public void NameScopeAreSharedWithChildren ()
+		{
+			var xaml = @"
+				<StackLayout 
+				xmlns=""http://xamarin.com/schemas/2014/forms""
+				xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml"" >
+					<Label />
+					<Label />
+				</StackLayout>";
+
+			var layout = new StackLayout ().LoadFromXaml (xaml);
+
+			Assert.IsNotNull (Forms.Internals.NameScope.GetNameScope (layout));
+			Assert.That (Forms.Internals.NameScope.GetNameScope (layout), Is.TypeOf<Forms.Internals.NameScope> ());
+
+			foreach (var child in layout.Children) {
+				Assert.IsNotNull (Forms.Internals.NameScope.GetNameScope (child));
+				Assert.That (Forms.Internals.NameScope.GetNameScope (child), Is.TypeOf<Forms.Internals.NameScope> ());
+				Assert.AreSame (Forms.Internals.NameScope.GetNameScope (layout), Forms.Internals.NameScope.GetNameScope (child));
+			}
+		}
+
+		[Test]
+		public void DataTemplateChildrenDoesNotParticipateToParentNameScope ()
+		{
+			var xaml = @"
+				<ListView
+				xmlns=""http://xamarin.com/schemas/2014/forms""
+				xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
+				x:Name=""listview"">
+					<ListView.ItemTemplate>
+						<DataTemplate>
+						    <TextCell Text=""{Binding name}"" x:Name=""textcell""/>
+						</DataTemplate>
+					</ListView.ItemTemplate>
+				</ListView>";
+
+			var listview = new ListView ();
+			listview.LoadFromXaml (xaml);	
+
+			Assert.AreSame (listview, ((Forms.Internals.INameScope)listview).FindByName ("listview"));
+			Assert.IsNull (((Forms.Internals.INameScope)listview).FindByName ("textcell"));
+		}
+
+		[Test]
+		public void ElementsCreatedFromDataTemplateHaveTheirOwnNameScope ()
+		{
+			var xaml = @"
+				<ListView
+				xmlns=""http://xamarin.com/schemas/2014/forms""
+				xmlns:x=""http://schemas.microsoft.com/winfx/2006/xaml""
+				x:Name=""listview"">
+					<ListView.ItemTemplate>
+						<DataTemplate>
+						    <TextCell Text=""{Binding name}"" x:Name=""textcell""/>
+						</DataTemplate>
+					</ListView.ItemTemplate>
+				</ListView>";
+
+			var listview = new ListView ();
+			listview.LoadFromXaml (xaml);	
+			Assert.IsNotNull (Forms.Internals.NameScope.GetNameScope (listview));
+			Assert.That (Forms.Internals.NameScope.GetNameScope (listview), Is.TypeOf<Forms.Internals.NameScope> ());
+
+			var cell0 = listview.ItemTemplate.CreateContent () as Element;
+			var cell1 = listview.ItemTemplate.CreateContent () as Element;
+
+			Assert.IsNotNull (Forms.Internals.NameScope.GetNameScope (cell0));
+			Assert.That (Forms.Internals.NameScope.GetNameScope (cell0), Is.TypeOf<Forms.Internals.NameScope> ());
+			Assert.IsNotNull (Forms.Internals.NameScope.GetNameScope (cell1));
+			Assert.That (Forms.Internals.NameScope.GetNameScope (cell1), Is.TypeOf<Forms.Internals.NameScope> ());
+
+			Assert.AreNotSame (Forms.Internals.NameScope.GetNameScope (listview), Forms.Internals.NameScope.GetNameScope (cell0));
+			Assert.AreNotSame (Forms.Internals.NameScope.GetNameScope (listview), Forms.Internals.NameScope.GetNameScope (cell1));
+			Assert.AreNotSame (Forms.Internals.NameScope.GetNameScope (cell0), Forms.Internals.NameScope.GetNameScope (cell1));
+
+			Assert.IsNull (((Forms.Internals.INameScope)listview).FindByName ("textcell"));
+			Assert.NotNull (((Forms.Internals.INameScope)cell0).FindByName ("textcell"));
+			Assert.NotNull (((Forms.Internals.INameScope)cell1).FindByName ("textcell"));
+
+			Assert.AreNotSame (((Forms.Internals.INameScope)cell0).FindByName ("textcell"), ((Forms.Internals.INameScope)cell1).FindByName ("textcell"));
+
+		}
+	}
+}