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test: observe monitor waits without delays

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Erik 2026-08-18 12:56:25 +02:00
parent ea17bc8624
commit fa4bdfe89f
4 changed files with 127 additions and 35 deletions
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50
tests/AcDream.App.Tests/Rendering/SilkWindowCallbackBindingTests.cs
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@ -270,19 +270,30 @@ public sealed class SilkWindowCallbackBindingTests
Task<Exception> first = Task.Run(() => Record.Exception(binding.Dispose));
Assert.True(surface.RemoveEntered.Wait(TimeSpan.FromSeconds(5)));
using var secondEntered = new ManualResetEventSlim(false);
Task<Exception> second = Task.Run(() =>
Exception? secondError = null;
var secondThread = new Thread(() =>
{
secondEntered.Set();
return Record.Exception(binding.Dispose);
});
Assert.True(secondEntered.Wait(TimeSpan.FromSeconds(5)));
await Task.Delay(50);
Assert.False(second.IsCompleted);
secondError = Record.Exception(binding.Dispose);
})
{
IsBackground = true,
Name = "Silk callback binding concurrent dispose contract",
};
secondThread.Start();
bool secondStartedInTime = secondEntered.Wait(TimeSpan.FromSeconds(5));
bool secondBlockedOnDetach = secondStartedInTime && SpinWait.SpinUntil(
() => (secondThread.ThreadState & ThreadState.WaitSleepJoin) != 0,
TimeSpan.FromSeconds(5));
surface.ContinueRemove.Set();
Assert.Null(await first);
Assert.Null(await second);
bool secondJoined = secondThread.Join(TimeSpan.FromSeconds(5));
Assert.True(secondStartedInTime, "the second dispose thread did not start");
Assert.True(secondBlockedOnDetach, "the second dispose never waited for physical detach");
Assert.True(secondJoined, "the second dispose did not finish after detach completed");
Assert.Null(secondError);
Assert.True(binding.IsDetached);
}
@ -306,19 +317,30 @@ public sealed class SilkWindowCallbackBindingTests
Task<Exception> first = Task.Run(() => Record.Exception(binding.Dispose));
Assert.True(surface.RemoveEntered.Wait(TimeSpan.FromSeconds(5)));
using var secondEntered = new ManualResetEventSlim(false);
Task<Exception> second = Task.Run(() =>
Exception? secondError = null;
var secondThread = new Thread(() =>
{
secondEntered.Set();
return Record.Exception(binding.Dispose);
});
Assert.True(secondEntered.Wait(TimeSpan.FromSeconds(5)));
await Task.Delay(50);
Assert.False(second.IsCompleted);
secondError = Record.Exception(binding.Dispose);
})
{
IsBackground = true,
Name = "Silk callback binding detach failure contract",
};
secondThread.Start();
bool secondStartedInTime = secondEntered.Wait(TimeSpan.FromSeconds(5));
bool secondBlockedOnDetach = secondStartedInTime && SpinWait.SpinUntil(
() => (secondThread.ThreadState & ThreadState.WaitSleepJoin) != 0,
TimeSpan.FromSeconds(5));
surface.ContinueRemove.Set();
Assert.IsType<AggregateException>(await first);
Assert.IsType<AggregateException>(await second);
bool secondJoined = secondThread.Join(TimeSpan.FromSeconds(5));
Assert.True(secondStartedInTime, "the second dispose thread did not start");
Assert.True(secondBlockedOnDetach, "the second dispose never waited for physical detach");
Assert.True(secondJoined, "the second dispose did not finish after detach failed");
Assert.IsType<AggregateException>(secondError);
Assert.False(binding.IsDetached);
surface.PersistentRemoveFailures.Clear();