@Test
public void listener_exception() throws Exception{
final CallableAsyncResult<String> t = new CallableAsyncResult<String>(new Callable<String>() {
@Override
public String call() throws Exception {
throw new NotARealException();
}
});
StatisticsCallback tl=new StatisticsCallback();
t.addCallback(tl);
t.start();
t.start();
try{
t.get();
fail("exception error");
}catch(ExecutionException ex){
assertEquals("exception error", NotARealException.class, ex.getCause().getClass());
}
tl.check("exception",true);
}
@Test
public void listener_cancel() throws Exception{
final CallableAsyncResult<String> t = new CallableAsyncResult<String>(new Callable<String>() {
@Override
public String call() throws Exception {
throw new NotARealException();
}
});
StatisticsCallback tl=new StatisticsCallback();
t.addCallback(tl);
assertTrue("cancel return false", t.cancel(true));
assertTrue("cancel return false", t.cancel(true));
t.start();
t.start();
try{
t.get();
fail("cancel error");
}catch(CancellationException ex){
}
tl.check("cancelled",false);
}
@Test
public void listener_succ() throws InterruptedException, ExecutionException{
final CallableAsyncResult<String> t4 = new CallableAsyncResult<String>(new Callable<String>() {
@Override
public String call() {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
return "Return value";
}
});
StatisticsCallback t4l=new StatisticsCallback();
t4.addCallback(t4l);
t4.start();
t4.start();
t4.start();
assertEquals("get failed", "Return value", t4.get());
assertEquals("get failed", "Return value", t4.get());
assertEquals("get failed", "Return value", t4.get());
t4l.check("completed",true);
}
