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packages/unittest/test/correct_callback_test.dart

+// Copyright (c) 2013, 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 unittest.correct_callback_test;
+
+import 'dart:async';
+
+import 'package:metatest/metatest.dart';
+import 'package:unittest/unittest.dart';
+
+void main() => initTests(_test);
+
+void _test(message) {
+  initMetatest(message);
+
+  expectTestsPass('correct callback test', () {
+    var count = 0;
+    test('test', () => new Future.sync(expectAsync(() {
+      ++count;
+    })));
+
+    test('verify count', () {
+      expect(count, 1);
+    });
+  });
+}