Initial checkin of gRPC to third_party/

third_party/grpc/src/csharp/Grpc.Core.Tests/ChannelTest.cs

+#region Copyright notice and license
+
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using Grpc.Core;
+using Grpc.Core.Internal;
+using Grpc.Core.Utils;
+using NUnit.Framework;
+
+namespace Grpc.Core.Tests
+{
+    public class ChannelTest
+    {
+        [Test]
+        public void Constructor_RejectsInvalidParams()
+        {
+            Assert.Throws(typeof(ArgumentNullException), () => new Channel(null, ChannelCredentials.Insecure));
+        }
+
+        [Test]
+        public void Constructor_RejectsDuplicateOptions()
+        {
+            var options = new ChannelOption[]
+            {
+                new ChannelOption(ChannelOptions.PrimaryUserAgentString, "ABC"),
+                new ChannelOption(ChannelOptions.PrimaryUserAgentString, "XYZ")
+            };
+            Assert.Throws(typeof(ArgumentException), () => new Channel("127.0.0.1", ChannelCredentials.Insecure, options));
+        }
+
+        [Test]
+        public void State_IdleAfterCreation()
+        {
+            var channel = new Channel("localhost", ChannelCredentials.Insecure);
+            Assert.AreEqual(ChannelState.Idle, channel.State);
+            channel.ShutdownAsync().Wait();
+        }
+
+        [Test]
+        public void WaitForStateChangedAsync_InvalidArgument()
+        {
+            var channel = new Channel("localhost", ChannelCredentials.Insecure);
+            Assert.Throws(typeof(ArgumentException), () => channel.WaitForStateChangedAsync(ChannelState.FatalFailure));
+            channel.ShutdownAsync().Wait();
+        }
+
+        [Test]
+        public void ResolvedTarget()
+        {
+            var channel = new Channel("127.0.0.1", ChannelCredentials.Insecure);
+            Assert.IsTrue(channel.ResolvedTarget.Contains("127.0.0.1"));
+            channel.ShutdownAsync().Wait();
+        }
+
+        [Test]
+        public void Shutdown_AllowedOnlyOnce()
+        {
+            var channel = new Channel("localhost", ChannelCredentials.Insecure);
+            channel.ShutdownAsync().Wait();
+            Assert.Throws(typeof(InvalidOperationException), () => channel.ShutdownAsync().GetAwaiter().GetResult());
+        }
+    }
+}