sigmund@google.com
64d7bc5acf
Review URL: https://chromiumcodereview.appspot.com//10248007 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@7101 260f80e4-7a28-3924-810f-c04153c831b5
34 lines
1.0 KiB
Dart
34 lines
1.0 KiB
Dart
// Copyright (c) 2011, 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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// Test that Object.dynamic returns the identical object.
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main() {
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// Primitives
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var anInt = 5;
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var aString = 'Hello';
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var aBool = true;
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var aDouble = 3.14159;
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// Compounds
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var aMap = {};
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// The type should not change.
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Expect.isTrue(dyn(anInt) is int, 'is int');
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Expect.isTrue(dyn(aString) is String, 'is String');
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Expect.isTrue(dyn(aBool) is bool, 'is bool');
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Expect.isTrue(dyn(aMap) is Map, 'is Map');
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// The object should be identical.
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Expect.isTrue(eq(anInt, anInt.dynamic), 'anInt.dynamic');
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Expect.isTrue(eq(aString, aString.dynamic), 'aString.dynamic');
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Expect.isTrue(eq(aBool, aBool.dynamic), 'aBool.dynamic');
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Expect.isTrue(eq(aDouble, aDouble.dynamic), 'aDouble.dynamic');
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Expect.isTrue(eq(aMap, aMap.dynamic), 'aMap.dynamic');
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}
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dyn(x) => x.dynamic;
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eq(a, b) => a === b;
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