blob: b5434fd45365a54af91b64c06cae238d285cd15c [file] [log] [blame]
// 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.
// @dart = 2.9
import 'package:expect/expect.dart';
class Super<T extends num> {}
class Malbounded1 implements Super
// ^
// [cfe] Type argument 'String' doesn't conform to the bound 'num' of the type variable 'T' on 'Super' in the supertype 'Super' of class 'Malbounded1'.
<String>
// ^^^^^^
// [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS
{}
class Malbounded2 extends Super
// ^
// [cfe] Type argument 'String' doesn't conform to the bound 'num' of the type variable 'T' on 'Super' in the supertype 'Super' of class 'Malbounded2'.
<String>
// ^^^^^^
// [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS
{}
main() {
var m = new Malbounded1();
Expect.isFalse(m is Super<int>);
var s = new Super<int>();
Expect.isFalse(s is Malbounded1);
Expect.isFalse(s is Malbounded2);
Expect.isTrue(s is Super
// ^
// [cfe] Type argument 'String' doesn't conform to the bound 'num' of the type variable 'T' on 'Super'.
<String>
// ^^^^^^
// [analyzer] COMPILE_TIME_ERROR.TYPE_ARGUMENT_NOT_MATCHING_BOUNDS
);
}