public void DerefThrowsAfterCancellation()
{
AFnImpl fn = new AFnImpl();
fn._fn0 = () => { while (true); };
Future f = new Future(fn);
f.cancel();
f.deref();
}
public void CancelAbortsTheTask()
{
AFnImpl fn = new AFnImpl();
fn._fn0 = () => { while (true); };
Future f = new Future(fn);
Expect(f.isCancelled(), EqualTo(false));
Expect(f.cancel(true), EqualTo(true));
Expect(f.isCancelled(), EqualTo(true));
}
public void CancelFailsAfterSuccessfulCompletion()
{
AFnImpl fn = new AFnImpl();
fn._fn0 = () => { return 42; };
Future f = new Future(fn);
Expect(f.deref(), EqualTo(42));
Expect(f.cancel(), EqualTo(false));
Expect(f.isCancelled(), EqualTo(false));
}
public void SecondCancelReturnsFalse()
{
AFnImpl fn = new AFnImpl();
fn._fn0 = () => { while (true); };
Future f = new Future(fn);
Expect(f.cancel(true), EqualTo(true));
Expect(f.cancel(true), EqualTo(false));
}
