public void DispatchBarrierAsync()
{
TestRuntime.AssertSystemVersion(PlatformName.iOS, 8, 0, throwIfOtherPlatform: false);
TestRuntime.AssertSystemVersion(PlatformName.MacOSX, 10, 10, throwIfOtherPlatform: false);
using (var queue = new DispatchQueue("DispatchBarrierAsync")) {
var called = false;
var callback = new Action(() => called = true);
queue.DispatchBarrierAsync(callback);
TestRuntime.RunAsync(TimeSpan.FromSeconds(5), () => { }, () => called);
Assert.IsTrue(called, "Called");
called = false;
using (var dg = new DispatchBlock(callback)) {
queue.DispatchBarrierAsync(dg);
dg.Wait(TimeSpan.FromSeconds(5));
}
Assert.IsTrue(called, "Called DispatchBlock");
}
}
