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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_T2.js
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* @description Checking if creating the object String.prototype.valueOf fails
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*/
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var __obj={valueOf : String.prototype.valueOf};
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#1
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if (typeof __obj["valueOf"] !== "function") {
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$ERROR('#1: var __obj={valueOf : String.prototype.valueOf}; typeof __obj["valueOf"] === "function". Actual: typeof __obj["valueOf"] ==='+typeof __obj["valueOf"] );
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}
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//
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#2
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try {
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var x = (__obj == 1);
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$FAIL('#2: "var __obj={valueOf : String.prototype.valueOf}; var x = (__obj == 1)" 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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