| // 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. |
| |
| // Regression test for dart2js that used to infer [:super == null:] |
| // always returns an int. |
| |
| import 'package:expect/expect.dart'; |
| |
| class A { |
| operator ==(other) => 42; |
| // ^^ |
| // [analyzer] COMPILE_TIME_ERROR.RETURN_OF_INVALID_TYPE |
| // [cfe] A value of type 'int' can't be returned from a function with return type 'bool'. |
| } |
| |
| class B extends A { |
| foo() => (super == null) + 4; |
| // ^ |
| // [analyzer] COMPILE_TIME_ERROR.UNDEFINED_OPERATOR |
| // [cfe] The operator '+' isn't defined for the class 'bool'. |
| } |
| |
| main() { |
| Expect.throwsNoSuchMethodError(() => new B().foo()); |
| } |