LibTest/async/Zone/inSameErrorZone_A01_t05.dart

/*
 * Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @assertion abstract bool inSameErrorZone(Zone otherZone)
 * Returns true if this and otherZone are in the same error zone.
 * Two zones are in the same error zone if they share the same
 * handleUncaughtError callback.
 * @description Checks that errors are handled by the error zone callbacks.
 * @author ilya
 */

import "dart:async";
import "../../../Utils/async_utils.dart";
import "../../../Utils/expect.dart";

same () => Expect.isTrue(Zone.current.inSameErrorZone(Zone.current.parent));
diff () => Expect.isFalse(Zone.current.inSameErrorZone(Zone.current.parent));

main() {
  runZoned(() {
    asyncStart();
    var f = new Future.error(1);

    runZoned(() {
      // new error zone
      diff();
      // catchError is registered in different error zone
      // error is not caught by catchError, neither by this error zone handler
      f.catchError((_) {
         Expect.fail('should not happen');
      });
    }, onError: (_) {
      Expect.fail('should not happen');
    });
  }, onError: (e) {
    Expect.equals(1, e);
    asyncEnd();
  });
}