pkg/unittest/test/instance_test.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 unittestTests;
import 'package:unittest/unittest.dart';

import 'test_utils.dart';

main() {
  initUtils();

  group('Type Matchers', () {
    test('isInstanceOf', () {
      shouldFail(0, new isInstanceOf<String>('String'),
          "Expected: an instance of String But: was <0>. Actual: <0>");
      shouldPass('cow', new isInstanceOf<String>('String'));
    });

    test('throwsA', () {
      shouldPass(doesThrow, throwsA(equals('X')));
      shouldFail(doesThrow, throwsA(equals('Y')),
          "Expected: throws an exception which matches 'Y' "
          "But:  exception 'X' does not match 'Y'. "
          "Actual: <Closure: (dynamic) => dynamic "
              "from Function 'doesThrow': static.>");
    });
  });
}