floitsch@google.com
8fd6d0aafd
Committed: https://code.google.com/p/dart/source/detail?r=19755 Reverted: http://code.google.com/p/dart/source/detail?r=19756 Review URL: https://codereview.chromium.org//12212016 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@20996 260f80e4-7a28-3924-810f-c04153c831b5
86 lines
2.2 KiB
Dart
86 lines
2.2 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 the "is" type test operator.
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import "package:expect/expect.dart";
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abstract class I { }
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abstract class AI implements I { }
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class A implements AI {
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const A();
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}
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class B implements I {
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const B();
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}
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class C extends A {
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const C() : super();
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}
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class IsOperatorTest {
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static testMain() {
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var a = new A();
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var b = new B();
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var c = new C();
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var n = null;
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Expect.equals(true, a is A);
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Expect.equals(false, a is !A);
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Expect.equals(true, b is B);
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Expect.equals(false, b is !B);
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Expect.equals(true, c is C);
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Expect.equals(false, c is !C);
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Expect.equals(true, c is A);
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Expect.equals(false, c is !A);
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Expect.equals(true, a is AI);
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Expect.equals(false, a is !AI);
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Expect.equals(true, a is I);
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Expect.equals(false, a is !I);
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Expect.equals(false, b is AI);
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Expect.equals(true, b is !AI);
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Expect.equals(true, b is I);
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Expect.equals(false, b is !I);
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Expect.equals(true, c is AI);
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Expect.equals(false, c is !AI);
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Expect.equals(true, c is I);
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Expect.equals(false, c is !I);
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Expect.equals(false, n is AI);
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Expect.equals(true, n is !AI);
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Expect.equals(false, n is I);
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Expect.equals(true, n is !I);
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Expect.equals(false, a is B);
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Expect.equals(true, a is !B);
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Expect.equals(false, a is C);
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Expect.equals(true, a is !C);
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Expect.equals(false, b is A);
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Expect.equals(true, b is !A);
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Expect.equals(false, b is C);
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Expect.equals(true, b is !C);
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Expect.equals(false, c is B);
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Expect.equals(true, c is !B);
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Expect.equals(false, n is A);
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Expect.equals(true, n is !A);
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Expect.equals(false, null is A);
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Expect.equals(false, null is B);
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Expect.equals(false, null is C);
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Expect.equals(false, null is AI);
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Expect.equals(false, null is I);
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Expect.equals(true, null is !A);
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Expect.equals(true, null is !B);
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Expect.equals(true, null is !C);
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Expect.equals(true, null is !AI);
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Expect.equals(true, null is !I);
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}
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}
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main() {
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IsOperatorTest.testMain();
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}
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