blob: 362fdba4b3f489565dfc8fc92948296dd76a6071 [file] [log] [blame]
// Copyright (c) 2013, 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 = 2.9
// Test is-tests with type variables.
import "package:expect/expect.dart";
class A<T> {
foo(o) => o is T;
}
class B {}
class C extends A<int> {}
main() {
Expect.isTrue(new A<Object>().foo(new B()));
Expect.isTrue(new A<Object>().foo(1));
Expect.isFalse(new A<int>().foo(new Object()));
Expect.isFalse(new A<int>().foo('hest'));
Expect.isTrue(new A<B>().foo(new B()));
Expect.isFalse(new A<B>().foo(new Object()));
Expect.isFalse(new A<B>().foo(1));
Expect.isTrue(new C().foo(1));
Expect.isFalse(new C().foo(new Object()));
Expect.isFalse(new C().foo('hest'));
Expect.isTrue(new A<List<int>>().foo(new List<int>()));
Expect.isFalse(new A<List<int>>().foo(new List<String>()));
}