tests/html/async_window_test.dart

library AsyncWindowTest;
import '../../pkg/unittest/lib/unittest.dart';
import '../../pkg/unittest/lib/html_config.dart';
import 'dart:html';

main() {
  useHtmlConfiguration();
  test('Window.setTimeout', () {
    window.setTimeout(expectAsync0((){}), 10);
  });
  test('Window.setInterval', () {
    int counter = 0;
    int id = null;
    id = window.setInterval(expectAsyncUntil0(
      () {
        if (counter == 3) {
          counter = 1024;
          window.clearInterval(id);
          // Wait some more time to be sure callback won't be invoked any more.
          window.setTimeout(expectAsync0((){}), 50);
          return;
        }
        // As callback should have been cleared on 4th invocation, counter
        // should never be greater than 3.
        assert(counter < 3);
        counter++;
      },
      () => counter == 3), 10);
  });
}