Utils/expect.dart

// Copyright (c) 2012, 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.

library expect;
import 'dart:async';
part 'expect_common.dart';
part 'async_utils.dart';
part 'lang_feature_check.dart';

/// [Expect] is used for tests that do not want to make use of the Dart unit
/// test library - for example, the core language tests.
///
/// Third parties are discouraged from using this, and should use the [expect]
/// function in the unit test library instead for the test assertions.

 void _fail(String message) {
    throw new ExpectException(message);
 }