1 files changed, 93 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core.UnitTests/WebViewUnitTests.cs b/Xamarin.Forms.Core.UnitTests/WebViewUnitTests.cs
new file mode 100644
index 00000000..d441f4b8
--- /dev/null
+++ b/Xamarin.Forms.Core.UnitTests/WebViewUnitTests.cs
@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+using NUnit.Framework;
+
+namespace Xamarin.Forms.Core.UnitTests
+{
+	[TestFixture]
+	public class WebViewUnitTests : BaseTestFixture
+	{
+		[Test]
+		public void TestSourceImplicitConversion ()
+		{
+			var web = new WebView ();
+			Assert.Null (web.Source);
+			web.Source = "http://www.google.com";
+			Assert.NotNull (web.Source);
+			Assert.True (web.Source is UrlWebViewSource);
+			Assert.AreEqual ("http://www.google.com", ((UrlWebViewSource)web.Source).Url);
+		}
+
+		[Test]
+		public void TestSourceChangedPropagation ()
+		{
+			var source = new UrlWebViewSource {Url ="http://www.google.com"};
+			var web = new WebView { Source = source };
+			bool signaled = false;
+			web.PropertyChanged += (sender, args) => {
+				if (args.PropertyName == WebView.SourceProperty.PropertyName)
+					signaled = true;
+			};
+			Assert.False (signaled);
+			source.Url = "http://www.xamarin.com";
+			Assert.True (signaled);
+		}
+
+		[Test]
+		public void TestSourceDisconnected ()
+		{
+			var source = new UrlWebViewSource {Url="http://www.google.com"};
+			var web = new WebView { Source = source };
+			web.Source = new UrlWebViewSource {Url="Foo"};
+			bool signaled = false;
+			web.PropertyChanged += (sender, args) => {
+				if (args.PropertyName == WebView.SourceProperty.PropertyName)
+					signaled = true;
+			};
+			Assert.False (signaled);
+			source.Url = "http://www.xamarin.com";
+			Assert.False (signaled);
+		}
+
+		class ViewModel
+		{
+			public string HTML { get; set; } = "<html><body><p>This is a WebView!</p></body></html>";
+
+			public string URL { get; set; } = "http://xamarin.com";
+
+		}
+
+		[Test]
+		public void TestBindingContextPropagatesToSource ()
+		{
+			var htmlWebView = new WebView {
+			};
+			var urlWebView = new WebView {
+			};
+
+			var htmlSource = new HtmlWebViewSource ();
+			htmlSource.SetBinding (HtmlWebViewSource.HtmlProperty, "HTML");
+			htmlWebView.Source = htmlSource;
+
+			var urlSource = new UrlWebViewSource ();
+			urlSource.SetBinding (UrlWebViewSource.UrlProperty, "URL");
+			urlWebView.Source = urlSource;
+
+			var viewModel = new ViewModel ();
+
+			var container = new StackLayout {
+				BindingContext = viewModel,
+				Padding = new Size (20, 20),
+				Children = {
+					htmlWebView,
+					urlWebView
+				}
+			};
+
+			Assert.AreEqual ("<html><body><p>This is a WebView!</p></body></html>", htmlSource.Html);
+			Assert.AreEqual ("http://xamarin.com", urlSource.Url);
+		}
+	}
+}