Robert Nystrom
2bf3259005
Change-Id: I582fa00eb713282c3bd6fc1607efc0242ce9076f Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/146686 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Erik Ernst <eernst@google.com>
31 lines
910 B
Dart
31 lines
910 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.
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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 extends A<int> {}
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main() {
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Expect.isTrue(new A<Object>().foo(new B()));
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Expect.isTrue(new A<Object>().foo(1));
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Expect.isFalse(new A<int>().foo(new Object()));
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Expect.isFalse(new A<int>().foo('hest'));
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Expect.isTrue(new A<B>().foo(new B()));
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Expect.isFalse(new A<B>().foo(new Object()));
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Expect.isFalse(new A<B>().foo(1));
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Expect.isTrue(new C().foo(1));
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Expect.isFalse(new C().foo(new Object()));
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Expect.isFalse(new C().foo('hest'));
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Expect.isTrue(new A<List<int>>().foo(<int>[]));
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Expect.isFalse(new A<List<int>>().foo(<String>[]));
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}
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