blob: 293880f61e3ef4362bf84dfefd3d825848b022fc [file] [log] [blame]
// Copyright (c) 2012, 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 test program for testing the instanceof operation.
import "package:expect/expect.dart";
// Tests involving generics.
abstract class I<T> {
class A implements I<bool> {
class B<T> implements I<bool> {
abstract class K<T> {
abstract class L<T> extends K<bool> {
class C implements L<String> {
class D implements B<String> {
main() {
var a = new A();
var b = new B<String>();
var c = new C();
var d = new D();
// Repeat type checks so that inlined tests can be tested as well.
for (int i = 0; i < 5; i++) {
Expect.isFalse(a is I<String>);
Expect.isTrue(a is I<bool>);
Expect.isFalse(b is I<String>);
Expect.isFalse(c is K<String>);
Expect.isFalse(c is K<String>);
Expect.isTrue(c is L<String>);
Expect.isFalse(c is L<bool>);
Expect.isTrue(c is K<bool>);
Expect.isFalse(c is K<String>);
Expect.isFalse(d is I<String>);
Expect.isTrue(d is I<bool>);