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comparison: js/src/tests/ecma/String/15.5.4.5-5.js
js/src/tests/ecma/String/15.5.4.5-5.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: 15.5.4.5.1.js | |
| 9 ECMA Section: 15.5.4.5 String.prototype.charCodeAt(pos) | |
| 10 Description: Returns a number (a nonnegative integer less than 2^16) | |
| 11 representing the Unicode encoding of the character at | |
| 12 position pos in this string. If there is no character | |
| 13 at that position, the number is NaN. | |
| 14 | |
| 15 When the charCodeAt method is called with one argument | |
| 16 pos, the following steps are taken: | |
| 17 1. Call ToString, giving it the theis value as its | |
| 18 argument | |
| 19 2. Call ToInteger(pos) | |
| 20 3. Compute the number of characters in result(1). | |
| 21 4. If Result(2) is less than 0 or is not less than | |
| 22 Result(3), return NaN. | |
| 23 5. Return a value of Number type, of positive sign, whose | |
| 24 magnitude is the Unicode encoding of one character | |
| 25 from result 1, namely the characer at position Result | |
| 26 (2), where the first character in Result(1) is | |
| 27 considered to be at position 0. | |
| 28 | |
| 29 Note that the charCodeAt function is intentionally | |
| 30 generic; it does not require that its this value be a | |
| 31 String object. Therefore it can be transferred to other | |
| 32 kinds of objects for use as a method. | |
| 33 | |
| 34 Author: christine@netscape.com | |
| 35 Date: 2 october 1997 | |
| 36 */ | |
| 37 var SECTION = "15.5.4.5-5"; | |
| 38 var VERSION = "ECMA_1"; | |
| 39 startTest(); | |
| 40 var TITLE = "String.prototype.charCodeAt"; | |
| 41 | |
| 42 writeHeaderToLog( SECTION + " "+ TITLE); | |
| 43 | |
| 44 var TEST_STRING = ""; | |
| 45 | |
| 46 for ( var i = 0x0000; i < 255; i++ ) { | |
| 47 TEST_STRING += String.fromCharCode( i ); | |
| 48 } | |
| 49 | |
| 50 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(0)", 0x0074, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(0)") ); | |
| 51 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(1)", 0x0072, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(1)") ); | |
| 52 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(2)", 0x0075, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(2)") ); | |
| 53 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(3)", 0x0065, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(3)") ); | |
| 54 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(4)", Number.NaN, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(4)") ); | |
| 55 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(-1)", Number.NaN, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(-1)") ); | |
| 56 | |
| 57 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(true)", 0x0072, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(true)") ); | |
| 58 new TestCase( SECTION, "x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(false)", 0x0074, eval("x = new Boolean(true); x.charCodeAt=String.prototype.charCodeAt;x.charCodeAt(false)") ); | |
| 59 | |
| 60 new TestCase( SECTION, "x = new String(); x.charCodeAt(0)", Number.NaN, eval("x=new String();x.charCodeAt(0)") ); | |
| 61 new TestCase( SECTION, "x = new String(); x.charCodeAt(1)", Number.NaN, eval("x=new String();x.charCodeAt(1)") ); | |
| 62 new TestCase( SECTION, "x = new String(); x.charCodeAt(-1)", Number.NaN, eval("x=new String();x.charCodeAt(-1)") ); | |
| 63 | |
| 64 new TestCase( SECTION, "x = new String(); x.charCodeAt(NaN)", Number.NaN, eval("x=new String();x.charCodeAt(Number.NaN)") ); | |
| 65 new TestCase( SECTION, "x = new String(); x.charCodeAt(Number.POSITIVE_INFINITY)", Number.NaN, eval("x=new String();x.charCodeAt(Number.POSITIVE_INFINITY)") ); | |
| 66 new TestCase( SECTION, "x = new String(); x.charCodeAt(Number.NEGATIVE_INFINITY)", Number.NaN, eval("x=new String();x.charCodeAt(Number.NEGATIVE_INFINITY)") ); | |
| 67 | |
| 68 for ( var j = 0; j < 255; j++ ) { | |
| 69 new TestCase( SECTION, "TEST_STRING.charCodeAt("+j+")", j, TEST_STRING.charCodeAt(j) ); | |
| 70 } | |
| 71 | |
| 72 test(); |
