1 files changed, 119 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core.UnitTests/DataTemplateTests.cs b/Xamarin.Forms.Core.UnitTests/DataTemplateTests.cs
new file mode 100644
index 00000000..24bf6a06
--- /dev/null
+++ b/Xamarin.Forms.Core.UnitTests/DataTemplateTests.cs
@@ -0,0 +1,119 @@
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+
+namespace Xamarin.Forms.Core.UnitTests
+{
+	[TestFixture]
+	public class DataTemplateTests : BaseTestFixture
+	{
+		[Test]
+		public void CtorInvalid()
+		{
+			Assert.Throws<ArgumentNullException> (() => new DataTemplate ((Func<object>)null),
+				"Allowed null creator delegate");
+
+			Assert.Throws<ArgumentNullException> (() => new DataTemplate ((Type)null),
+				"Allowed null type");
+		}
+
+		[Test]
+		public void CreateContent()
+		{
+			var template = new DataTemplate (() => new MockBindable());
+			object obj = template.CreateContent();
+
+			Assert.IsNotNull (obj);
+			Assert.That (obj, Is.InstanceOf<MockBindable>());
+		}
+
+		[Test]
+		public void CreateContentType()
+		{
+			var template = new DataTemplate (typeof (MockBindable));
+			object obj = template.CreateContent();
+
+			Assert.IsNotNull (obj);
+			Assert.That (obj, Is.InstanceOf<MockBindable>());
+		}
+
+		[Test]
+		public void CreateContentValues()
+		{
+			var template = new DataTemplate (typeof (MockBindable)) {
+				Values = { { MockBindable.TextProperty, "value" } }
+			};
+
+			MockBindable bindable = (MockBindable)template.CreateContent();
+			Assert.That (bindable.GetValue (MockBindable.TextProperty), Is.EqualTo ("value"));
+		}
+
+		[Test]
+		public void CreateContentBindings()
+		{
+			var template = new DataTemplate (() => new MockBindable()) {
+				Bindings = { { MockBindable.TextProperty, new Binding (".") } }
+			};
+
+			MockBindable bindable = (MockBindable)template.CreateContent();
+			bindable.BindingContext = "text";
+			Assert.That (bindable.GetValue (MockBindable.TextProperty), Is.EqualTo ("text"));
+		}
+
+		[Test]
+		public void SetBindingInvalid()
+		{
+			var template = new DataTemplate (typeof (MockBindable));
+			Assert.That (() => template.SetBinding (null, new Binding (".")), Throws.InstanceOf<ArgumentNullException>());
+			Assert.That (() => template.SetBinding (MockBindable.TextProperty, null), Throws.InstanceOf<ArgumentNullException>());
+		}
+
+		[Test]
+		public void SetBindingOverridesValue()
+		{
+			var template = new DataTemplate (typeof (MockBindable));
+			template.SetValue (MockBindable.TextProperty, "value");
+			template.SetBinding (MockBindable.TextProperty, new Binding ("."));
+
+			MockBindable bindable = (MockBindable) template.CreateContent();
+			Assume.That (bindable.GetValue (MockBindable.TextProperty), Is.EqualTo (bindable.BindingContext));
+
+			bindable.BindingContext = "binding";
+			Assert.That (bindable.GetValue (MockBindable.TextProperty), Is.EqualTo ("binding"));
+		}
+
+		[Test]
+		public void SetValueOverridesBinding()
+		{
+			var template = new DataTemplate (typeof (MockBindable));
+			template.SetBinding (MockBindable.TextProperty, new Binding ("."));
+			template.SetValue (MockBindable.TextProperty, "value");
+
+			MockBindable bindable = (MockBindable) template.CreateContent();
+			Assert.That (bindable.GetValue (MockBindable.TextProperty), Is.EqualTo ("value"));
+			bindable.BindingContext = "binding";
+			Assert.That (bindable.GetValue (MockBindable.TextProperty), Is.EqualTo ("value"));
+		}
+
+		[Test]
+		public void SetValueInvalid()
+		{
+			var template = new DataTemplate (typeof (MockBindable));
+			Assert.That (() => template.SetValue (null, "string"), Throws.InstanceOf<ArgumentNullException>());
+		}
+
+		[Test]
+		public void SetValueAndBinding ()
+		{
+			var template = new DataTemplate (typeof (TextCell)) {
+				Bindings = {
+					{TextCell.TextProperty, new Binding ("Text")}
+				},
+				Values = {
+					{TextCell.TextProperty, "Text"}
+				}
+			};
+			Assert.That (() => template.CreateContent (), Throws.InstanceOf<InvalidOperationException> ());			
+		}
+	}
+}