1 /* The contents of this file are subject to the Netscape Public 2 * License Version 1.1 (the "License"); you may not use this file 3 * except in compliance with the License. You may obtain a copy of 4 * the License at http://www.mozilla.org/NPL/ 5 * 6 * Software distributed under the License is distributed on an "AS 7 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 8 * implied. See the License for the specific language governing 9 * rights and limitations under the License. 10 * 11 * The Original Code is Mozilla Communicator client code, released March 12 * 31, 1998. 13 * 14 * The Initial Developer of the Original Code is Netscape Communications 15 * Corporation. Portions created by Netscape are 16 * Copyright (C) 1998 Netscape Communications Corporation. All 17 * Rights Reserved. 18 * 19 * Contributor(s): 20 * 21 */ 22 /** 23 File Name: 9.7.js 24 ECMA Section: 9.7 Type Conversion: ToInt16 25 Description: rules for converting an argument to an unsigned 26 16 bit integer in the range 0 to 2^16-1. 27 28 this test uses String.prototype.fromCharCode() and 29 String.prototype.charCodeAt() to test ToInt16. 30 31 special cases: 32 -0 returns 0 33 Infinity returns 0 34 -Infinity returns 0 35 0 returns 0 36 37 Author: christine (at) netscape.com 38 Date: 17 july 1997 39 */ 40 var SECTION = "9.7"; 41 var VERSION = "ECMA_1"; 42 startTest(); 43 var testcases = getTestCases(); 44 45 writeHeaderToLog( SECTION + " Type Conversion: ToInt16"); 46 test(); 47 48 function test() { 49 for ( tc=0; tc < testcases.length; tc++ ) { 50 testcases[tc].passed = writeTestCaseResult( 51 testcases[tc].expect, 52 testcases[tc].actual, 53 testcases[tc].description +" = "+ 54 testcases[tc].actual ); 55 56 testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; 57 } 58 stopTest(); 59 return ( testcases ); 60 } 61 function ToInt16( num ) { 62 num = Number( num ); 63 if ( isNaN( num ) || num == 0 || num == Number.POSITIVE_INFINITY || num == Number.NEGATIVE_INFINITY ) { 64 return 0; 65 } 66 67 var sign = ( num < 0 ) ? -1 : 1; 68 69 num = sign * Math.floor( Math.abs( num ) ); 70 71 num = num % Math.pow(2,16); 72 73 num = ( num > -65536 && num < 0) ? 65536 + num : num; 74 75 return num; 76 } 77 78 function getTestCases() { 79 var array = new Array(); 80 var item = 0; 81 /* 82 array[item++] = new TestCase( "9.7", "String.fromCharCode(0).charCodeAt(0)", 0, String.fromCharCode(0).charCodeAt(0) ); 83 array[item++] = new TestCase( "9.7", "String.fromCharCode(-0).charCodeAt(0)", 0, String.fromCharCode(-0).charCodeAt(0) ); 84 array[item++] = new TestCase( "9.7", "String.fromCharCode(1).charCodeAt(0)", 1, String.fromCharCode(1).charCodeAt(0) ); 85 array[item++] = new TestCase( "9.7", "String.fromCharCode(64).charCodeAt(0)", 64, String.fromCharCode(64).charCodeAt(0) ); 86 array[item++] = new TestCase( "9.7", "String.fromCharCode(126).charCodeAt(0)", 126, String.fromCharCode(126).charCodeAt(0) ); 87 array[item++] = new TestCase( "9.7", "String.fromCharCode(127).charCodeAt(0)", 127, String.fromCharCode(127).charCodeAt(0) ); 88 array[item++] = new TestCase( "9.7", "String.fromCharCode(128).charCodeAt(0)", 128, String.fromCharCode(128).charCodeAt(0) ); 89 array[item++] = new TestCase( "9.7", "String.fromCharCode(130).charCodeAt(0)", 130, String.fromCharCode(130).charCodeAt(0) ); 90 array[item++] = new TestCase( "9.7", "String.fromCharCode(255).charCodeAt(0)", 255, String.fromCharCode(255).charCodeAt(0) ); 91 array[item++] = new TestCase( "9.7", "String.fromCharCode(256).charCodeAt(0)", 256, String.fromCharCode(256).charCodeAt(0) ); 92 array[item++] = new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0)", 65535, String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0) ); 93 array[item++] = new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)).charCodeAt(0)", 0, String.fromCharCode(Math.pow(2,16)).charCodeAt(0) ); 94 */ 95 96 97 array[item++] = new TestCase( "9.7", "String.fromCharCode(0).charCodeAt(0)", ToInt16(0), String.fromCharCode(0).charCodeAt(0) ); 98 array[item++] = new TestCase( "9.7", "String.fromCharCode(-0).charCodeAt(0)", ToInt16(0), String.fromCharCode(-0).charCodeAt(0) ); 99 array[item++] = new TestCase( "9.7", "String.fromCharCode(1).charCodeAt(0)", ToInt16(1), String.fromCharCode(1).charCodeAt(0) ); 100 array[item++] = new TestCase( "9.7", "String.fromCharCode(64).charCodeAt(0)", ToInt16(64), String.fromCharCode(64).charCodeAt(0) ); 101 array[item++] = new TestCase( "9.7", "String.fromCharCode(126).charCodeAt(0)", ToInt16(126), String.fromCharCode(126).charCodeAt(0) ); 102 array[item++] = new TestCase( "9.7", "String.fromCharCode(127).charCodeAt(0)", ToInt16(127), String.fromCharCode(127).charCodeAt(0) ); 103 array[item++] = new TestCase( "9.7", "String.fromCharCode(128).charCodeAt(0)", ToInt16(128), String.fromCharCode(128).charCodeAt(0) ); 104 array[item++] = new TestCase( "9.7", "String.fromCharCode(130).charCodeAt(0)", ToInt16(130), String.fromCharCode(130).charCodeAt(0) ); 105 array[item++] = new TestCase( "9.7", "String.fromCharCode(255).charCodeAt(0)", ToInt16(255), String.fromCharCode(255).charCodeAt(0) ); 106 array[item++] = new TestCase( "9.7", "String.fromCharCode(256).charCodeAt(0)", ToInt16(256), String.fromCharCode(256).charCodeAt(0) ); 107 108 array[item++] = new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0)", 65535, String.fromCharCode(Math.pow(2,16)-1).charCodeAt(0) ); 109 array[item++] = new TestCase( "9.7", "String.fromCharCode(Math.pow(2,16)).charCodeAt(0)", 0, String.fromCharCode(Math.pow(2,16)).charCodeAt(0) ); 110 111 array[item++] = new TestCase( "9.7", "String.fromCharCode(65535).charCodeAt(0)", ToInt16(65535), String.fromCharCode(65535).charCodeAt(0) ); 112 array[item++] = new TestCase( "9.7", "String.fromCharCode(65536).charCodeAt(0)", ToInt16(65536), String.fromCharCode(65536).charCodeAt(0) ); 113 array[item++] = new TestCase( "9.7", "String.fromCharCode(65537).charCodeAt(0)", ToInt16(65537), String.fromCharCode(65537).charCodeAt(0) ); 114 115 array[item++] = new TestCase( "9.7", "String.fromCharCode(131071).charCodeAt(0)", ToInt16(131071), String.fromCharCode(131071).charCodeAt(0) ); 116 array[item++] = new TestCase( "9.7", "String.fromCharCode(131072).charCodeAt(0)", ToInt16(131072), String.fromCharCode(131072).charCodeAt(0) ); 117 array[item++] = new TestCase( "9.7", "String.fromCharCode(131073).charCodeAt(0)", ToInt16(131073), String.fromCharCode(131073).charCodeAt(0) ); 118 119 array[item++] = new TestCase( "9.7", "String.fromCharCode('65535').charCodeAt(0)", 65535, String.fromCharCode("65535").charCodeAt(0) ); 120 array[item++] = new TestCase( "9.7", "String.fromCharCode('65536').charCodeAt(0)", 0, String.fromCharCode("65536").charCodeAt(0) ); 121 122 array[item++] = new TestCase( "9.7", "String.fromCharCode(-1).charCodeAt(0)", ToInt16(-1), String.fromCharCode(-1).charCodeAt(0) ); 123 array[item++] = new TestCase( "9.7", "String.fromCharCode(-64).charCodeAt(0)", ToInt16(-64), String.fromCharCode(-64).charCodeAt(0) ); 124 array[item++] = new TestCase( "9.7", "String.fromCharCode(-126).charCodeAt(0)", ToInt16(-126), String.fromCharCode(-126).charCodeAt(0) ); 125 array[item++] = new TestCase( "9.7", "String.fromCharCode(-127).charCodeAt(0)", ToInt16(-127), String.fromCharCode(-127).charCodeAt(0) ); 126 array[item++] = new TestCase( "9.7", "String.fromCharCode(-128).charCodeAt(0)", ToInt16(-128), String.fromCharCode(-128).charCodeAt(0) ); 127 array[item++] = new TestCase( "9.7", "String.fromCharCode(-130).charCodeAt(0)", ToInt16(-130), String.fromCharCode(-130).charCodeAt(0) ); 128 array[item++] = new TestCase( "9.7", "String.fromCharCode(-255).charCodeAt(0)", ToInt16(-255), String.fromCharCode(-255).charCodeAt(0) ); 129 array[item++] = new TestCase( "9.7", "String.fromCharCode(-256).charCodeAt(0)", ToInt16(-256), String.fromCharCode(-256).charCodeAt(0) ); 130 131 array[item++] = new TestCase( "9.7", "String.fromCharCode(-Math.pow(2,16)-1).charCodeAt(0)", 65535, String.fromCharCode(-Math.pow(2,16)-1).charCodeAt(0) ); 132 array[item++] = new TestCase( "9.7", "String.fromCharCode(-Math.pow(2,16)).charCodeAt(0)", 0, String.fromCharCode(-Math.pow(2,16)).charCodeAt(0) ); 133 134 array[item++] = new TestCase( "9.7", "String.fromCharCode(-65535).charCodeAt(0)", ToInt16(-65535), String.fromCharCode(-65535).charCodeAt(0) ); 135 array[item++] = new TestCase( "9.7", "String.fromCharCode(-65536).charCodeAt(0)", ToInt16(-65536), String.fromCharCode(-65536).charCodeAt(0) ); 136 array[item++] = new TestCase( "9.7", "String.fromCharCode(-65537).charCodeAt(0)", ToInt16(-65537), String.fromCharCode(-65537).charCodeAt(0) ); 137 138 array[item++] = new TestCase( "9.7", "String.fromCharCode(-131071).charCodeAt(0)", ToInt16(-131071), String.fromCharCode(-131071).charCodeAt(0) ); 139 array[item++] = new TestCase( "9.7", "String.fromCharCode(-131072).charCodeAt(0)", ToInt16(-131072), String.fromCharCode(-131072).charCodeAt(0) ); 140 array[item++] = new TestCase( "9.7", "String.fromCharCode(-131073).charCodeAt(0)", ToInt16(-131073), String.fromCharCode(-131073).charCodeAt(0) ); 141 142 array[item++] = new TestCase( "9.7", "String.fromCharCode('-65535').charCodeAt(0)", ToInt16(-65535), String.fromCharCode("-65535").charCodeAt(0) ); 143 array[item++] = new TestCase( "9.7", "String.fromCharCode('-65536').charCodeAt(0)", ToInt16(-65536), String.fromCharCode("-65536").charCodeAt(0) ); 144 145 146 // array[item++] = new TestCase( "9.7", "String.fromCharCode(2147483648).charCodeAt(0)", ToInt16(2147483648), String.fromCharCode(2147483648).charCodeAt(0) ); 147 148 149 150 // the following test cases cause a runtime error. see: http://scopus.mcom.com/bugsplat/show_bug.cgi?id=78878 151 152 // array[item++] = new TestCase( "9.7", "String.fromCharCode(Infinity).charCodeAt(0)", 0, String.fromCharCode("Infinity").charCodeAt(0) ); 153 // array[item++] = new TestCase( "9.7", "String.fromCharCode(-Infinity).charCodeAt(0)", 0, String.fromCharCode("-Infinity").charCodeAt(0) ); 154 // array[item++] = new TestCase( "9.7", "String.fromCharCode(NaN).charCodeAt(0)", 0, String.fromCharCode(Number.NaN).charCodeAt(0) ); 155 // array[item++] = new TestCase( "9.7", "String.fromCharCode(Number.POSITIVE_INFINITY).charCodeAt(0)", 0, String.fromCharCode(Number.POSITIVE_INFINITY).charCodeAt(0) ); 156 // array[item++] = new TestCase( "9.7", "String.fromCharCode(Number.NEGATIVE_INFINITY).charCodeAt(0)", 0, String.fromCharCode(Number.NEGATIVE_INFINITY).charCodeAt(0) ); 157 return ( array ); 158 } 159
