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36 lines
1.3 KiB
JavaScript
36 lines
1.3 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/**
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* The valueOf function is not generic; it throws a TypeError exception if its this value is not a String object.
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* Therefore, it cannot be transferred to other kinds of objects for use as a method
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*
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* @path ch15/15.5/15.5.4/S15.5.4.3_A2_T1.js
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* @description Checking if creating variable String.prototype.valueOf fails
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*/
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var __valueOf = String.prototype.valueOf;
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#1
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if (typeof __valueOf !== "function") {
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$ERROR('#1: __valueOf = String.prototype.valueOf; typeof __valueOf === "function". Actual: typeof __valueOf ==='+typeof __valueOf );
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}
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//
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#2
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try {
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var x = __valueOf();
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$FAIL('#2: "__valueOf = String.prototype.valueOf; var x = __valueOf()" lead to throwing exception');
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} catch (e) {
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if (!(e instanceof TypeError)) {
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$ERROR('#2.1: Exception is instance of TypeError. Actual: exception is '+e);
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}
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}
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//
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//////////////////////////////////////////////////////////////////////////////
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