blob: 0d85fe92e004bf1f9be32bfb1a3e9ec3b82fab4b [file] [log] [blame]
// Copyright (c) 2011, 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.
// Test verifying that generic extends are processed correctly.
import "package:expect/expect.dart";
class A<T> {}
class B<T1, T2 extends A<T1>> {}
class C<T1 extends A<T2>, T2> {}
main() {
var a = new A<String>();
var b = new B<String, A<String>>();
var c = new C<A<String>, String>();
Expect.isTrue(a is Object);
Expect.isTrue(a is A<Object>);
Expect.isTrue(a is A<String>);
Expect.isTrue(a is! A<int>);
Expect.isTrue(b is Object);
Expect.isTrue(b is B<Object, A<Object>>);
Expect.isTrue(b is B<String, A<String>>);
Expect.isTrue(b is! B<int, A<int>>);
Expect.isTrue(c is Object);
Expect.isTrue(c is C<A<Object>, Object>);
Expect.isTrue(c is C<A<String>, String>);
Expect.isTrue(c is! C<A<int>, int>);