Moving Reverse tests.

Ix.NET/Source/System.Interactive.Async.Tests/AsyncTests.Single.cs

@@ -673,102 +673,6 @@ namespace Tests
             NoNext(e);
         }
 
-        [Fact]
-        public void Reverse_Null()
-        {
-            AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Reverse<int>(null));
-        }
-
-        [Fact]
-        public void Reverse1()
-        {
-            var xs = AsyncEnumerable.Empty<int>();
-            var ys = xs.Reverse();
-
-            var e = ys.GetAsyncEnumerator();
-            NoNext(e);
-        }
-
-        [Fact]
-        public void Reverse2()
-        {
-            var xs = AsyncEnumerable.Return(42);
-            var ys = xs.Reverse();
-
-            var e = ys.GetAsyncEnumerator();
-            HasNext(e, 42);
-            NoNext(e);
-        }
-
-        [Fact]
-        public void Reverse3()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = xs.Reverse();
-
-            var e = ys.GetAsyncEnumerator();
-            HasNext(e, 3);
-            HasNext(e, 2);
-            HasNext(e, 1);
-            NoNext(e);
-        }
-
-        [Fact]
-        public void Reverse4()
-        {
-            var ex = new Exception("Bang!");
-            var xs = AsyncEnumerable.Throw<int>(ex);
-            var ys = xs.Reverse();
-
-            var e = ys.GetAsyncEnumerator();
-            AssertThrows(() => e.MoveNextAsync().Wait(WaitTimeoutMs), (Exception ex_) => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
-        }
-
-        [Fact]
-        public async Task Reverse5()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = xs.Reverse();
-
-            Assert.Equal(new[] { 3, 2, 1 }, await ys.ToArray());
-        }
-
-        [Fact]
-        public async Task Reverse6()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = xs.Reverse();
-
-            Assert.Equal(new[] { 3, 2, 1 }, await ys.ToList());
-        }
-
-        [Fact]
-        public async Task Reverse7()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = xs.Reverse();
-
-            Assert.Equal(3, await ys.Count());
-        }
-
-        [Fact]
-        public async Task Reverse8()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = xs.Reverse();
-
-            await SequenceIdentity(ys);
-        }
-
-        [Fact]
-        public async Task Reverse9()
-        {
-            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
-            var ys = xs.Reverse().Prepend(4); // to trigger onlyIfCheap
-
-            Assert.Equal(new[] { 4, 3, 2, 1 }, await ys.ToArray());
-        }
-
         [Fact]
         public void OrderBy_Null()
         {

Ix.NET/Source/System.Linq.Async.Tests/System/Linq/Operators/Reverse.cs

@@ -0,0 +1,110 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the Apache 2.0 License.
+// See the LICENSE file in the project root for more information. 
+
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Tests
+{
+    public class Reverse : AsyncEnumerableTests
+    {
+        [Fact]
+        public void Reverse_Null()
+        {
+            AssertThrows<ArgumentNullException>(() => AsyncEnumerable.Reverse<int>(null));
+        }
+
+        [Fact]
+        public void Reverse1()
+        {
+            var xs = AsyncEnumerable.Empty<int>();
+            var ys = xs.Reverse();
+
+            var e = ys.GetAsyncEnumerator();
+            NoNext(e);
+        }
+
+        [Fact]
+        public void Reverse2()
+        {
+            var xs = AsyncEnumerable.Return(42);
+            var ys = xs.Reverse();
+
+            var e = ys.GetAsyncEnumerator();
+            HasNext(e, 42);
+            NoNext(e);
+        }
+
+        [Fact]
+        public void Reverse3()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = xs.Reverse();
+
+            var e = ys.GetAsyncEnumerator();
+            HasNext(e, 3);
+            HasNext(e, 2);
+            HasNext(e, 1);
+            NoNext(e);
+        }
+
+        [Fact]
+        public void Reverse4()
+        {
+            var ex = new Exception("Bang!");
+            var xs = AsyncEnumerable.Throw<int>(ex);
+            var ys = xs.Reverse();
+
+            var e = ys.GetAsyncEnumerator();
+            AssertThrows(() => e.MoveNextAsync().Wait(WaitTimeoutMs), (Exception ex_) => ((AggregateException)ex_).Flatten().InnerExceptions.Single() == ex);
+        }
+
+        [Fact]
+        public async Task Reverse5()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = xs.Reverse();
+
+            Assert.Equal(new[] { 3, 2, 1 }, await ys.ToArray());
+        }
+
+        [Fact]
+        public async Task Reverse6()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = xs.Reverse();
+
+            Assert.Equal(new[] { 3, 2, 1 }, await ys.ToList());
+        }
+
+        [Fact]
+        public async Task Reverse7()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = xs.Reverse();
+
+            Assert.Equal(3, await ys.Count());
+        }
+
+        [Fact]
+        public async Task Reverse8()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = xs.Reverse();
+
+            await SequenceIdentity(ys);
+        }
+
+        [Fact]
+        public async Task Reverse9()
+        {
+            var xs = new[] { 1, 2, 3 }.ToAsyncEnumerable();
+            var ys = xs.Reverse().Prepend(4); // to trigger onlyIfCheap
+
+            Assert.Equal(new[] { 4, 3, 2, 1 }, await ys.ToArray());
+        }
+    }
+}