| // Copyright (c) 2021, 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 https://github.com/dart-lang/sdk/issues/47425. |
| // Verifies that Type.operator== works on generic types which |
| // classes are not finalized. |
| |
| // @dart = 2.9 |
| |
| import 'package:expect/expect.dart'; |
| |
| void testTypesEquality<A, B>(bool expected) { |
| Expect.equals(expected, A == B); |
| } |
| |
| void withNewBox() { |
| Box(); |
| testTypesEquality<Box<num>, Box<int>>(false); |
| } |
| |
| void withoutNewBox() { |
| testTypesEquality<Box<num>, Box<int>>(false); |
| } |
| |
| class Box<T> {} |
| |
| void main() { |
| testTypesEquality<num, int>(false); |
| testTypesEquality<Box<num>, Box<int>>(false); |
| testTypesEquality<Box<num>, Box<num>>(true); |
| |
| withoutNewBox(); |
| withNewBox(); |
| withoutNewBox(); |
| |
| testTypesEquality<Box<num>, Box<int>>(false); |
| testTypesEquality<Box<num>, Box<num>>(true); |
| } |