Robert Nystrom
fc1b1ecc71
Change-Id: Idbcc965a27e9ffeedf5e0a1068b019de4193070f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/127745 Commit-Queue: Bob Nystrom <rnystrom@google.com> Reviewed-by: Alexander Thomas <athom@google.com>
26 lines
664 B
Dart
26 lines
664 B
Dart
// Copyright (c) 2013, 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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// Test is-tests with type variables on native subclasses.
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import "package:expect/expect.dart";
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class A<T> {
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foo(o) => o is T;
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}
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class B {}
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class C {}
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main() {
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Expect.isTrue(new A<Iterable<B>>().foo(new List<B>()));
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Expect.isFalse(new A<Iterable<C>>().foo(new List<B>()));
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Expect.isTrue(new A<Pattern>().foo('hest'));
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Expect.isTrue(new A<Comparable<String>>().foo('hest'));
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Expect.isFalse(new A<Comparable<C>>().foo('hest'));
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}
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