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comparison: js/src/tests/ecma_2/Exceptions/number-003.js
js/src/tests/ecma_2/Exceptions/number-003.js
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 | |
| 7 /** | |
| 8 File Name: number-003.js | |
| 9 Corresponds To: 15.7.4.3-3.js | |
| 10 ECMA Section: 15.7.4.3.1 Number.prototype.valueOf() | |
| 11 Description: | |
| 12 Returns this number value. | |
| 13 | |
| 14 The valueOf function is not generic; it generates a runtime error if its | |
| 15 this value is not a Number object. Therefore it cannot be transferred to | |
| 16 other kinds of objects for use as a method. | |
| 17 | |
| 18 Author: christine@netscape.com | |
| 19 Date: 16 september 1997 | |
| 20 */ | |
| 21 var SECTION = "number-003"; | |
| 22 var VERSION = "JS1_4"; | |
| 23 var TITLE = "Exceptions for Number.valueOf()"; | |
| 24 | |
| 25 startTest(); | |
| 26 writeHeaderToLog( SECTION + " Number.prototype.valueOf()"); | |
| 27 | |
| 28 var result = "Failed"; | |
| 29 var exception = "No exception thrown"; | |
| 30 var expect = "Passed"; | |
| 31 | |
| 32 try { | |
| 33 VALUE_OF = Number.prototype.valueOf; | |
| 34 OBJECT = new String("Infinity"); | |
| 35 OBJECT.valueOf = VALUE_OF; | |
| 36 result = OBJECT.valueOf(); | |
| 37 } catch ( e ) { | |
| 38 result = expect; | |
| 39 exception = e.toString(); | |
| 40 } | |
| 41 | |
| 42 new TestCase( | |
| 43 SECTION, | |
| 44 "Assigning Number.prototype.valueOf as the valueOf of a String object " + | |
| 45 " (threw " + exception +")", | |
| 46 expect, | |
| 47 result ); | |
| 48 | |
| 49 test(); | |
| 50 |
