#region Copyright notice and license
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// Copyright 2017 gRPC authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#endregion
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using Grpc.Core;
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using Grpc.Core.Internal;
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using Grpc.Core.Profiling;
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using Grpc.Core.Utils;
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using NUnit.Framework;
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namespace Grpc.Core.Tests
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{
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public class ChannelConnectivityTest
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{
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const string Host = "127.0.0.1";
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MockServiceHelper helper;
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Server server;
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Channel channel;
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[SetUp]
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public void Init()
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{
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helper = new MockServiceHelper(Host);
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server = helper.GetServer();
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server.Start();
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channel = helper.GetChannel();
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}
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[TearDown]
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public void Cleanup()
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{
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channel.ShutdownAsync().Wait();
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server.ShutdownAsync().Wait();
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}
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[Test]
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public async Task Channel_WaitForStateChangedAsync()
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{
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Assert.ThrowsAsync(typeof(TaskCanceledException),
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async () => await channel.WaitForStateChangedAsync(channel.State, DateTime.UtcNow.AddMilliseconds(0)));
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var stateChangedTask = channel.WaitForStateChangedAsync(channel.State);
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await channel.ConnectAsync(DateTime.UtcNow.AddMilliseconds(5000));
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await stateChangedTask;
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Assert.AreEqual(ChannelState.Ready, channel.State);
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}
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[Test]
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public async Task Channel_TryWaitForStateChangedAsync()
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{
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Assert.IsFalse(await channel.TryWaitForStateChangedAsync(channel.State, DateTime.UtcNow.AddMilliseconds(0)));
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var stateChangedTask = channel.TryWaitForStateChangedAsync(channel.State);
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await channel.ConnectAsync(DateTime.UtcNow.AddMilliseconds(5000));
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Assert.IsTrue(await stateChangedTask);
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Assert.AreEqual(ChannelState.Ready, channel.State);
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}
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[Test]
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public async Task Channel_ConnectAsync()
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{
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await channel.ConnectAsync();
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Assert.AreEqual(ChannelState.Ready, channel.State);
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await channel.ConnectAsync(DateTime.UtcNow.AddMilliseconds(1000));
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Assert.AreEqual(ChannelState.Ready, channel.State);
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}
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}
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}
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