eab26cd2bd
Change-Id: Ia1f913a01f2be006158967b145db3ee34b297cfe Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/155660 Commit-Queue: Joshua Litt <joshualitt@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
31 lines
689 B
Dart
31 lines
689 B
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.7
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import 'package:expect/expect.dart';
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/*class: B:checkedInstance,typeArgument*/
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class B {}
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/*class: C:checks=[],instance*/
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class C {
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@pragma('dart2js:noInline')
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method1<T>(o) => method2<T>(o);
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@pragma('dart2js:noInline')
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method2<T>(o) => o is T;
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}
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/*class: D:checks=[$isB],instance*/
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class D implements B {}
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@pragma('dart2js:noInline')
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test(o) => new C().method1<B>(o);
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main() {
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Expect.isTrue(test(new D()));
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Expect.isFalse(test(null));
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}
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