mirror of
https://github.com/dart-lang/sdk
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8bdc9b5696
BUG=http://dartbug.com/12364 R=asiva@google.com, regis@google.com Review URL: https://codereview.chromium.org//22819005 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26205 260f80e4-7a28-3924-810f-c04153c831b5
47 lines
1.2 KiB
Dart
47 lines
1.2 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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import "package:expect/expect.dart";
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main() {
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Expect.isTrue(null is Object);
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Expect.isTrue(null is Null);
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Expect.isFalse(null is int);
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Expect.isFalse(null is bool);
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Expect.isFalse(null is num);
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Expect.isFalse(null is String);
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Expect.isFalse(null is List);
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Expect.isFalse(null is Expect);
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test(null);
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Expect.isFalse(1 is Null);
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Expect.isFalse("1" is Null);
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Expect.isFalse(true is Null);
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Expect.isFalse(false is Null);
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Expect.isFalse(new Object() is Null);
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testNegative(1);
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testNegative("1");
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testNegative(true);
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testNegative(false);
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testNegative(new Object());
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}
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test(n) {
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// Test where the argument is not a compile-time constant.
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Expect.isTrue(n is Object);
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Expect.isTrue(n is Null);
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Expect.isFalse(n is int);
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Expect.isFalse(n is bool);
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Expect.isFalse(n is num);
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Expect.isFalse(n is String);
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Expect.isFalse(n is List);
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Expect.isFalse(n is Expect);
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}
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testNegative(n){
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Expect.isFalse(n is Null);
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}
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