1 files changed, 37 insertions, 0 deletions
diff --git a/external/rx/Rx/NET/Source/Tests.System.Reactive/Tests/Aliases.cs b/external/rx/Rx/NET/Source/Tests.System.Reactive/Tests/Aliases.cs
new file mode 100644
index 0000000000..741ab2884e
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+++ b/external/rx/Rx/NET/Source/Tests.System.Reactive/Tests/Aliases.cs
@@ -0,0 +1,37 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reactive;
+using System.Reactive.Concurrency;
+using System.Threading;
+using Microsoft.Reactive.Testing;
+#if NUNIT
+using NUnit.Framework;
+using TestClassAttribute = NUnit.Framework.TestFixtureAttribute;
+using TestMethodAttribute = NUnit.Framework.TestAttribute;
+using TestInitializeAttribute = NUnit.Framework.SetUpAttribute;
+#else
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+#endif
+using System.Reactive.Linq;
+using System.Reactive.Observable.Aliases;
+
+namespace ReactiveTests.Tests
+{
+    [TestClass]
+    public partial class AliasesTest : ReactiveTest
+    {
+        [TestMethod]
+        public void Qbservable_Aliases()
+        {
+            var xs = Observable.Return(1).AsQbservable();
+
+            Assert.IsTrue(xs.Filter(x => true).ToEnumerable().SequenceEqual(new[] { 1 }), "Filter");
+            Assert.IsTrue(xs.Filter(x => true).Concat(xs.Filter(x => false)).ToEnumerable().SequenceEqual(new[] { 1 }), "Concat/Filter");
+            Assert.IsTrue(xs.Map(x => x.ToString()).ToEnumerable().SequenceEqual(new[] { "1" }), "Map");
+            Assert.IsTrue(xs.FlatMap(x => xs).ToEnumerable().SequenceEqual(new[] { 1 }), "FlatMap");
+        }
+    }
+}