public static async Task AsyncLock_AcquireAsync_Once()
{
using (var l = new AsyncLock())
using (AsyncLockCookie t = await l.AcquireAsync())
{
Assert.True(t.IsAcquired);
Assert.Equal(t.IsAcquired, t);
}
}
public static void AsyncLock_Acquire_Once()
{
using (var l = new AsyncLock())
using (AsyncLockCookie t = l.Acquire())
{
Assert.True(t.IsAcquired);
Assert.Equal(t.IsAcquired, t);
}
}
public static void AsyncLock_Acquire_Timeout()
{
using (var l = new AsyncLock())
{
var sw = Stopwatch.StartNew();
using (AsyncLockCookie t1 = l.Acquire())
using (AsyncLockCookie t2 = l.Acquire(100))
{
Assert.True(t1.IsAcquired);
Assert.False(t2.IsAcquired);
Assert.True(sw.Elapsed.TotalMilliseconds >= 80);
}
}
}
public static async Task AsyncLock_AcquireAsync_Timeout_Timespan()
{
using (var l = new AsyncLock())
{
var sw = Stopwatch.StartNew();
using (AsyncLockCookie t1 = await l.AcquireAsync())
using (AsyncLockCookie t2 = await l.AcquireAsync(TimeSpan.FromMilliseconds(100)))
{
Assert.True(t1.IsAcquired);
Assert.False(t2.IsAcquired);
Assert.True(sw.Elapsed.TotalMilliseconds >= 80);
}
}
}
public static void AsyncLock_Acquire_Wait()
{
using (var l = new AsyncLock())
{
AsyncLockCookie t1 = l.Acquire();
Assert.True(t1.IsAcquired);
var sw = Stopwatch.StartNew();
ThreadPool.QueueUserWorkItem(_ =>
{
Thread.Sleep(500);
t1.Dispose();
});
using (AsyncLockCookie t2 = l.Acquire())
{
Assert.True(t2);
}
Assert.True(sw.Elapsed.TotalMilliseconds >= 400);
}
}
public static void AsyncLock_Acquire_Fail()
{
using (var l = new AsyncLock())
{
using (AsyncLockCookie t1 = l.Acquire())
{
Assert.True(t1.IsAcquired);
using (AsyncLockCookie t2 = l.Acquire(0))
{
Assert.False(t2.IsAcquired);
Assert.Equal(t2.IsAcquired, t2);
}
using (AsyncLockCookie t2 = l.Acquire(TimeSpan.Zero))
{
Assert.False(t2.IsAcquired);
Assert.Equal(t2.IsAcquired, t2);
}
}
}
}
public static async Task AsyncLock_AcquireAsync_Fail()
{
using (var l = new AsyncLock())
{
using (AsyncLockCookie t1 = await l.AcquireAsync())
{
Assert.True(t1.IsAcquired);
using (AsyncLockCookie t2 = await l.AcquireAsync(0))
{
Assert.False(t2.IsAcquired);
Assert.Equal(t2.IsAcquired, t2);
}
using (AsyncLockCookie t2 = await l.AcquireAsync(TimeSpan.Zero))
{
Assert.False(t2.IsAcquired);
Assert.Equal(t2.IsAcquired, t2);
}
}
}
}
