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packages/unittest/test/expect_async_args_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.expect_async_args_test;
+
+import 'package:unittest/unittest.dart';
+
+import 'package:metatest/metatest.dart';
+
+void main() => initTests(_test);
+
+void _test(message) {
+  initMetatest(message);
+
+  expectTestResults('expect async args', () {
+    var count = 0;
+    List<int> _getArgs([a = 0, b = 0, c = 0, d = 0, e = 0, f = 0]) {
+      count++;
+      return [a, b, c, d, e, f];
+    }
+
+    test('expect async args', () {
+      expect(expectAsync(_getArgs)(), [0, 0, 0, 0, 0, 0]);
+      expect(expectAsync(_getArgs)(5), [5, 0, 0, 0, 0, 0]);
+      expect(expectAsync(_getArgs)(1, 2, 3, 4, 5, 6), [1, 2, 3, 4, 5, 6]);
+    });
+
+    test('invoked with too many args', () {
+      expectAsync(_getArgs)(1, 2, 3, 4, 5, 6, 7);
+    });
+
+    test('created with too many args', () {
+      expectAsync((a1, a2, a3, a4, a5, a6, a7) {
+        count++;
+      })();
+    });
+
+    test('verify count', () {
+      expect(count, 3);
+    });
+  }, [
+    {'description': 'expect async args', 'result': 'pass',},
+    {'description': 'invoked with too many args', 'result': 'error',},
+    {'description': 'created with too many args', 'result': 'error',},
+    {'description': 'verify count', 'result': 'pass',}
+  ]);
+}