17 lines
647 B
JavaScript
17 lines
647 B
JavaScript
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// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function testMutatedPrimitiveToStringTag(primitive) {
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Object.defineProperty(
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primitive.__proto__, Symbol.toStringTag,
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{value: "bogus", configurable: true, writable: false, enumerable: false});
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assertEquals("[object bogus]", Object.prototype.toString.call(primitive));
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}
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testMutatedPrimitiveToStringTag('');
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testMutatedPrimitiveToStringTag(true);
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testMutatedPrimitiveToStringTag(42);
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testMutatedPrimitiveToStringTag(42.42);
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testMutatedPrimitiveToStringTag(Symbol());
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