Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
46 lines
1.1 KiB
Dart
46 lines
1.1 KiB
Dart
// Copyright (c) 2012, 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 test program for testing the instanceof operation.
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// @dart = 2.9
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import "package:expect/expect.dart";
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// Tests involving generics.
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abstract class I<T> {}
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class A implements I<bool> {}
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class B<T> implements I<bool> {}
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abstract class K<T> {}
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abstract class L<T> extends K<bool> {}
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class C implements L<String> {}
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class D implements B<String> {}
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main() {
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var a = new A();
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var b = new B<String>();
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var c = new C();
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var d = new D();
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// Repeat type checks so that inlined tests can be tested as well.
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for (int i = 0; i < 5; i++) {
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Expect.isFalse(a is I<String>);
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Expect.isTrue(a is I<bool>);
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Expect.isFalse(b is I<String>);
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Expect.isFalse(c is K<String>);
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Expect.isFalse(c is K<String>);
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Expect.isTrue(c is L<String>);
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Expect.isFalse(c is L<bool>);
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Expect.isTrue(c is K<bool>);
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Expect.isFalse(c is K<String>);
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Expect.isFalse(d is I<String>);
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Expect.isTrue(d is I<bool>);
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}
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}
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