public void TrySet_SetAgain_Failed()
{
var flag = new OnceFlag();
flag.TrySet();
Assert.IsFalse(flag.TrySet());
}
public async ValueTask DisposeAsync()
{
if (!m_flag.TrySet())
{
return;
}
if (!m_router.TryGetTarget(out var router))
{
return;
}
await router.DisposeCallback(m_registration);
}
private async ValueTask DisposeAsync(bool disposing)
{
if (!m_flag.TrySet())
{
return;
}
await m_locker.InternalUnlockAsync();
if (disposing)
{
GC.SuppressFinalize(this);
}
}
public void TrySet_InParallel_OnlyOneSetOk()
{
var flag = new OnceFlag();
var cnt = 0;
Parallel.For(0, 10, (i) =>
{
if (flag.TrySet())
{
Interlocked.Increment(ref cnt);
}
});
Assert.AreEqual(1, cnt);
}
public void TrySet_CreateAndSet_Ok()
{
var flag = new OnceFlag();
Assert.IsTrue(flag.TrySet());
}
