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https://github.com/dotnet/MQTTnet.git
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Use latest language features (#2176)
* Make use of language features line AsyncDispose, init etc. * Fix build errors * Improve Unit Tests * Improve Unit Tests * Improve Unit Tests * Update samples * Remove obsolete benchmarks * Code cleanup * Improve unit tests * Improve Unit Tests * Fix Unit Tests * Improve Unit Tests * Improve Unit Tests * Restore unit tests * Exclude load tests from unit tests
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@@ -9,120 +9,114 @@ using System.Threading.Tasks;
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using Microsoft.VisualStudio.TestTools.UnitTesting;
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using MQTTnet.Internal;
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namespace MQTTnet.Tests.Internal
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namespace MQTTnet.Tests.Internal;
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// ReSharper disable InconsistentNaming
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[TestClass]
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public sealed class AsyncSignal_Tests
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{
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[TestClass]
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public sealed class AsyncSignal_Tests
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[TestMethod]
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[ExpectedException(typeof(TaskCanceledException))]
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public async Task Cancel_If_No_Signal()
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{
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[TestMethod]
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[ExpectedException(typeof(TaskCanceledException))]
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public async Task Cancel_If_No_Signal()
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{
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var asyncSignal = new AsyncSignal();
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var asyncSignal = new AsyncSignal();
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using (var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(2)))
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using var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(2));
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await asyncSignal.WaitAsync(timeout.Token);
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Assert.Fail("There is no signal. So we must fail here!");
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}
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[TestMethod]
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[ExpectedException(typeof(ObjectDisposedException))]
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public async Task Dispose_Properly()
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{
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var asyncSignal = new AsyncSignal();
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// The timeout will not be reached but another task will kill the async signal.
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using var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(999));
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_ = Task.Run(
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async () =>
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{
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await asyncSignal.WaitAsync(timeout.Token);
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await Task.Delay(2000, CancellationToken.None);
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asyncSignal.Dispose();
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},
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CancellationToken.None);
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Assert.Fail("There is no signal. So we must fail here!");
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}
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}
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await asyncSignal.WaitAsync(timeout.Token);
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[TestMethod]
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[ExpectedException(typeof(ObjectDisposedException))]
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public async Task Dispose_Properly()
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Assert.Fail("There is no signal. So we must fail here!");
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}
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[TestMethod]
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public async Task Reset_Signal()
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{
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var asyncSignal = new AsyncSignal();
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// WaitAsync should fail because no signal is available.
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for (var i = 0; i < 10; i++)
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{
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var asyncSignal = new AsyncSignal();
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// The timeout will not be reached but another task will kill the async signal.
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using (var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(999)))
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try
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{
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_ = Task.Run(
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async () =>
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{
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await Task.Delay(2000, CancellationToken.None);
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asyncSignal.Dispose();
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},
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CancellationToken.None);
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await asyncSignal.WaitAsync(timeout.Token);
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Assert.Fail("There is no signal. So we must fail here!");
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}
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}
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[TestMethod]
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public async Task Reset_Signal()
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{
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var asyncSignal = new AsyncSignal();
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// WaitAsync should fail because no signal is available.
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for (var i = 0; i < 10; i++)
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{
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try
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using (var timeout = new CancellationTokenSource(TimeSpan.FromMilliseconds(100)))
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{
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using (var timeout = new CancellationTokenSource(TimeSpan.FromMilliseconds(100)))
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{
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await asyncSignal.WaitAsync(timeout.Token);
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}
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Assert.Fail("This must fail because the signal is not yet set.");
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await asyncSignal.WaitAsync(timeout.Token);
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}
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catch (OperationCanceledException)
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{
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}
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asyncSignal.Set();
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// WaitAsync should return directly because the signal is available.
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await asyncSignal.WaitAsync();
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Assert.Fail("This must fail because the signal is not yet set.");
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}
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}
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[TestMethod]
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public async Task Signal()
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{
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var asyncSignal = new AsyncSignal();
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// The timeout will not be reached but another task will kill the async signal.
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using (var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(3)))
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catch (OperationCanceledException)
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{
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var stopwatch = Stopwatch.StartNew();
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_ = Task.Run(
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async () =>
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{
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await Task.Delay(1000, CancellationToken.None);
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asyncSignal.Set();
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},
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CancellationToken.None);
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await asyncSignal.WaitAsync(timeout.Token);
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stopwatch.Stop();
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Assert.IsTrue(stopwatch.ElapsedMilliseconds > 900);
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}
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}
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[TestMethod]
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[ExpectedException(typeof(InvalidOperationException))]
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public async Task Fail_For_Two_Waiters()
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{
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var asyncSignal = new AsyncSignal();
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asyncSignal.Set();
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// This thread will wait properly because it is the first waiter.
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_ = Task.Run(
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async () =>
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{
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await asyncSignal.WaitAsync();
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},
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CancellationToken.None);
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await Task.Delay(1000);
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// Now the current thread must fail because there is already a waiter.
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// WaitAsync should return directly because the signal is available.
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await asyncSignal.WaitAsync();
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}
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}
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[TestMethod]
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public async Task Signal()
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{
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var asyncSignal = new AsyncSignal();
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// The timeout will not be reached but another task will kill the async signal.
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using var timeout = new CancellationTokenSource(TimeSpan.FromSeconds(3));
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var stopwatch = Stopwatch.StartNew();
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_ = Task.Run(
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async () =>
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{
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await Task.Delay(1000, CancellationToken.None);
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asyncSignal.Set();
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},
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CancellationToken.None);
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await asyncSignal.WaitAsync(timeout.Token);
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stopwatch.Stop();
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Assert.IsTrue(stopwatch.ElapsedMilliseconds > 900);
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}
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[TestMethod]
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[ExpectedException(typeof(InvalidOperationException))]
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public async Task Fail_For_Two_Waiters()
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{
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var asyncSignal = new AsyncSignal();
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// This thread will wait properly because it is the first waiter.
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_ = Task.Run(
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async () =>
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{
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await asyncSignal.WaitAsync().ConfigureAwait(false);
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},
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CancellationToken.None);
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await Task.Delay(1000);
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// Now the current thread must fail because there is already a waiter.
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await asyncSignal.WaitAsync().ConfigureAwait(false);
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}
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}
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