dart-sdk/tests/web/generic_in_mixin_field_test.dart
Jake Macdonald b83359599e [flip-modifiers]: prep dart2js language tests for class modifiers flag flip
Change-Id: I3eccd65b982628fa9775a94b1ac61b48d8732f80
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/286540
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Jake Macdonald <jakemac@google.com>
Commit-Queue: Jake Macdonald <jakemac@google.com>
2023-03-02 19:09:45 +00:00

35 lines
875 B
Dart

// Copyright (c) 2018, 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.
// TODO(https://github.com/dart-lang/sdk/issues/51557): Decide if the mixins
// being applied in this test should be "mixin", "mixin class" or the test
// should be left at 2.19.
// @dart=2.19
// Ensure that we prepare type variables for inlined mixin fields.
import 'package:expect/expect.dart';
class A<T> {}
class Mixin<T> {
var field = new A<T>();
m1() => field is A<int>;
m2() => field is A<String>;
}
class SuperClass<T> extends Object with Mixin<T> {}
class Class extends SuperClass<int> {}
@pragma('dart2js:noInline')
createClass() => new Class();
main() {
var c = createClass();
Expect.isTrue(c.m1());
Expect.isFalse(c.m2());
}