public void testWhenAllCancel()

in BoltsTest/src/bolts/TaskTest.java [314:353]
37 lines of code
4 McCabe index (conditional complexity)

  public void testWhenAllCancel() {
    runTaskTest(new Callable<Task<?>>() {
      @Override
      public Task<?> call() throws Exception {
        final ArrayList<Task<Void>> tasks = new ArrayList<Task<Void>>();
        for (int i = 0; i < 20; i++) {
          final Task<Void>.TaskCompletionSource tcs = Task.create();

          final int number = i;
          Task.callInBackground(new Callable<Void>() {
            @Override
            public Void call() throws Exception {
              Thread.sleep((long) (Math.random() * 1000));
              if (number == 10) {
                tcs.setCancelled();
              } else {
                tcs.setResult(null);
              }
              return null;
            }
          });

          tasks.add(tcs.getTask());
        }
        return Task.whenAll(tasks).continueWith(new Continuation<Void, Void>() {
          @Override
          public Void then(Task<Void> task) {
            assertTrue(task.isCompleted());
            assertFalse(task.isFaulted());
            assertTrue(task.isCancelled());

            for (Task<Void> t : tasks) {
              assertTrue(t.isCompleted());
            }
            return null;
          }
        });
      }
    });
  }