blob: 08420e0385b8de4777bb34eac0feedca039ce76e [file] [log] [blame]
// 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.
// @dart = 2.7
/*class: A:checkedInstance*/
class A {}
/*class: B:checks=[$isA],indirectInstance*/
class B implements A {}
/*class: C:checks=[],instance*/
class C extends B {} // Implements A through `extends B`.
@pragma('dart2js:noInline')
test(o) => o is A;
main() {
test(new C());
test(null);
}