public async Task Foo()
{
using (var w = await writeToken.LockAsync())
{
ReusableMethod(w.Value);
}
}
public void CancelLockAsync_Cancel()
{
// setup
var semaphore = new SemaphoreSlim(1);
var value = new List();
var subject = new AsyncSynchronized <List>(semaphore, value);
// act and assert
Should.Throw <TaskCanceledException>(() => subject.LockAsync(new CancellationTokenSource(0).Token));
}
public async Task LockAsync_Acquire()
{
// setup
var semaphore = new SemaphoreSlim(1);
var value = new List();
var subject = new AsyncSynchronized <List>(semaphore, value);
// act and assert
using (var guard = await subject.LockAsync())
{
semaphore.CurrentCount.ShouldBe(0);
guard.Value.ShouldBe(value);
}
semaphore.CurrentCount.ShouldBe(1);
}
