public void TestThrowsTimeout()
{
StartToken token = new StartToken();
string finalResult;
ExceptionReceptor receptor = new ExceptionReceptor();
DateTime startedAt;
using (var vault = _meth(TimeSpan.FromMilliseconds(250), () => new ResourceType()))
{
// ReSharper disable AccessToDisposedClosure
Thread firstThread = new Thread(() => DoThreadOne(vault, token));
Thread secondThread = new Thread(() => DoThreadTwo(vault, token, receptor));
// ReSharper restore AccessToDisposedClosure
firstThread.Start();
secondThread.Start();
Thread.SpinWait(100_000);
startedAt = token.SetOrThrow();
secondThread.Join();
firstThread.Join();
{
using var lck = vault.Lock();
finalResult = lck.ExecuteMixedOperation(MixedOp);
}
Assert.NotNull(receptor.SuppliedException);
Assert.False(receptor.IsBadException);
Assert.True(typeof(TimeoutException) == receptor.ExceptionType);
Assert.True(receptor.Ts > startedAt);
}
Helper.WriteLine(finalResult);
Helper.WriteLine($"Timeout thrown after {(receptor.Ts - startedAt).TotalMilliseconds:F3} milliseconds.");
static void DoThreadOne(VaultType bmv, StartToken tkn)
{
HpTimeStamps.TimeStampSource.Calibrate();
while (!tkn.IsSet)
{
}
using var lck = bmv.Lock();
Thread.Sleep(TimeSpan.FromMilliseconds(750));
lck.Value += "Hi mom!";
}
static void DoThreadOne(VaultType bmv, StartToken tkn, string shouldBe)
{
HpTimeStamps.TimeStampSource.Calibrate();
while (!tkn.IsSet)
{
}
using var lck = bmv.RoLock();
Thread.Sleep(TimeSpan.FromMilliseconds(750));
Assert.Equal(lck.Value, shouldBe);
}
static void DoThreadTwo(VaultType bv, StartToken tkn, ExceptionReceptor receptor)
{
HpTimeStamps.TimeStampSource.Calibrate();
while (!tkn.IsSet)
{
}
Thread.Sleep(TimeSpan.FromMilliseconds(250));
try
{
using var lck = bv.Lock(TimeSpan.FromMilliseconds(10));
receptor.SetBadException();
}
catch (TimeoutException ex)
{
receptor.SupplyExceptionOrThrow(ex);
}
catch (Exception rx)
{
receptor.SupplyExceptionOrThrow(rx);
}
}
public void TestThrowsTimeout()
{
string text = "Hello, world!";
StartToken token = new StartToken();
ResourceType finalResult;
ExceptionReceptor receptor = new ExceptionReceptor();
DateTime startedAt;
using (var vault = _meth(TimeSpan.FromMilliseconds(250)))
{
vault.SetCurrentValue(TimeSpan.FromMilliseconds(100), text);
// ReSharper disable AccessToDisposedClosure
Thread firstThread = new Thread(() => DoThreadOne(vault, token, text));
Thread secondThread = new Thread(() => DoThreadTwo(vault, token, receptor));
// ReSharper restore AccessToDisposedClosure
firstThread.Start();
secondThread.Start();
Thread.SpinWait(100_000);
startedAt = token.SetOrThrow();
secondThread.Join();
firstThread.Join();
{
using var lck = vault.Lock();
lck.Value += "... it worked?!";
finalResult = lck.Value;
}
Assert.NotNull(receptor.SuppliedException);
Assert.False(receptor.IsBadException);
Assert.True(typeof(TimeoutException) == receptor.ExceptionType);
Assert.True(receptor.Ts > startedAt);
Assert.Equal(finalResult, vault.CopyCurrentValue(TimeSpan.FromMilliseconds(10)));
}
Helper.WriteLine(finalResult);
Helper.WriteLine($"Timeout thrown after {(receptor.Ts - startedAt).TotalMilliseconds:F3} milliseconds.");