tests/compiler/dart2js_extra/type_error_message_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.

// Test that the error message for a failing subtype test includes type
// arguments.

import 'package:expect/expect.dart';

class C<T, S> {}

bool inCheckedMode() {
  try {
    int i = 'hest';
  } catch (e) {
    return true;
  }
  return false;
}

main() {
  if (inCheckedMode()) {
    bool caught = false;
    try {
      C<String, String> x = new C<C<int, String>, String>();
    } catch (e) {
      String nameOfC = (C).toString();
      String nameOfInt = (int).toString();
      String nameOfString = (String).toString();
      String expected =
          '$nameOfC<$nameOfC<$nameOfInt, $nameOfString>, $nameOfString>';
      Expect.isTrue(e.toString().contains(expected),
          'Expected "$expected" in the message');
      caught = true;
    }
    Expect.isTrue(caught);
  }
}