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: 11.4.4.js 24 ECMA Section: 11.4.4 Prefix increment operator 25 Description: 26 The production UnaryExpression : ++ UnaryExpression is evaluated as 27 follows: 28 29 1. Evaluate UnaryExpression. 30 2. Call GetValue(Result(1)). 31 3. Call ToNumber(Result(2)). 32 4. Add the value 1 to Result(3), using the same rules as for the + 33 operator (section 11.6.3). 34 5. Call PutValue(Result(1), Result(4)). 35 6. Return Result(4). 36 37 Author: christine (at) netscape.com 38 Date: 12 november 1997 39 */ 40 var SECTION = "11.4.4"; 41 var VERSION = "ECMA_1"; 42 startTest(); 43 var testcases = getTestCases(); 44 45 writeHeaderToLog( SECTION + " Prefix increment operator"); 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 getTestCases() { 62 var array = new Array(); 63 var item = 0; 64 65 // special case: var is not defined 66 67 array[item++] = new TestCase( SECTION, "var MYVAR; ++MYVAR", NaN, eval("var MYVAR; ++MYVAR") ); 68 array[item++] = new TestCase( SECTION, "var MYVAR= void 0; ++MYVAR", NaN, eval("var MYVAR=void 0; ++MYVAR") ); 69 array[item++] = new TestCase( SECTION, "var MYVAR=null; ++MYVAR", 1, eval("var MYVAR=null; ++MYVAR") ); 70 array[item++] = new TestCase( SECTION, "var MYVAR=true; ++MYVAR", 2, eval("var MYVAR=true; ++MYVAR") ); 71 array[item++] = new TestCase( SECTION, "var MYVAR=false; ++MYVAR", 1, eval("var MYVAR=false; ++MYVAR") ); 72 73 // special numbers 74 // verify return value 75 76 array[item++] = new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;++MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;++MYVAR") ); 77 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR") ); 78 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NaN;++MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;++MYVAR") ); 79 80 // verify value of variable 81 82 array[item++] = new TestCase( SECTION, "var MYVAR=Number.POSITIVE_INFINITY;++MYVAR;MYVAR", Number.POSITIVE_INFINITY, eval("var MYVAR=Number.POSITIVE_INFINITY;++MYVAR;MYVAR") ); 83 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR;MYVAR", Number.NEGATIVE_INFINITY, eval("var MYVAR=Number.NEGATIVE_INFINITY;++MYVAR;MYVAR") ); 84 array[item++] = new TestCase( SECTION, "var MYVAR=Number.NaN;++MYVAR;MYVAR", Number.NaN, eval("var MYVAR=Number.NaN;++MYVAR;MYVAR") ); 85 86 87 // number primitives 88 array[item++] = new TestCase( SECTION, "var MYVAR=0;++MYVAR", 1, eval("var MYVAR=0;++MYVAR") ); 89 array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;++MYVAR", 1.2345, eval("var MYVAR=0.2345;++MYVAR") ); 90 array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;++MYVAR", 0.7655, eval("var MYVAR=-0.2345;++MYVAR") ); 91 92 // verify value of variable 93 94 array[item++] = new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") ); 95 array[item++] = new TestCase( SECTION, "var MYVAR=0.2345;++MYVAR;MYVAR", 1.2345, eval("var MYVAR=0.2345;++MYVAR;MYVAR") ); 96 array[item++] = new TestCase( SECTION, "var MYVAR=-0.2345;++MYVAR;MYVAR", 0.7655, eval("var MYVAR=-0.2345;++MYVAR;MYVAR") ); 97 array[item++] = new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") ); 98 array[item++] = new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") ); 99 array[item++] = new TestCase( SECTION, "var MYVAR=0;++MYVAR;MYVAR", 1, eval("var MYVAR=0;++MYVAR;MYVAR") ); 100 101 // boolean values 102 // verify return value 103 104 array[item++] = new TestCase( SECTION, "var MYVAR=true;++MYVAR", 2, eval("var MYVAR=true;++MYVAR") ); 105 array[item++] = new TestCase( SECTION, "var MYVAR=false;++MYVAR", 1, eval("var MYVAR=false;++MYVAR") ); 106 // verify value of variable 107 108 array[item++] = new TestCase( SECTION, "var MYVAR=true;++MYVAR;MYVAR", 2, eval("var MYVAR=true;++MYVAR;MYVAR") ); 109 array[item++] = new TestCase( SECTION, "var MYVAR=false;++MYVAR;MYVAR", 1, eval("var MYVAR=false;++MYVAR;MYVAR") ); 110 111 // boolean objects 112 // verify return value 113 114 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(true);++MYVAR", 2, eval("var MYVAR=true;++MYVAR") ); 115 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);++MYVAR", 1, eval("var MYVAR=false;++MYVAR") ); 116 // verify value of variable 117 118 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(true);++MYVAR;MYVAR", 2, eval("var MYVAR=new Boolean(true);++MYVAR;MYVAR") ); 119 array[item++] = new TestCase( SECTION, "var MYVAR=new Boolean(false);++MYVAR;MYVAR", 1, eval("var MYVAR=new Boolean(false);++MYVAR;MYVAR") ); 120 121 // string primitives 122 array[item++] = new TestCase( SECTION, "var MYVAR='string';++MYVAR", Number.NaN, eval("var MYVAR='string';++MYVAR") ); 123 array[item++] = new TestCase( SECTION, "var MYVAR='12345';++MYVAR", 12346, eval("var MYVAR='12345';++MYVAR") ); 124 array[item++] = new TestCase( SECTION, "var MYVAR='-12345';++MYVAR", -12344, eval("var MYVAR='-12345';++MYVAR") ); 125 array[item++] = new TestCase( SECTION, "var MYVAR='0Xf';++MYVAR", 16, eval("var MYVAR='0Xf';++MYVAR") ); 126 array[item++] = new TestCase( SECTION, "var MYVAR='077';++MYVAR", 78, eval("var MYVAR='077';++MYVAR") ); 127 array[item++] = new TestCase( SECTION, "var MYVAR=''; ++MYVAR", 1, eval("var MYVAR='';++MYVAR") ); 128 129 // verify value of variable 130 131 array[item++] = new TestCase( SECTION, "var MYVAR='string';++MYVAR;MYVAR", Number.NaN, eval("var MYVAR='string';++MYVAR;MYVAR") ); 132 array[item++] = new TestCase( SECTION, "var MYVAR='12345';++MYVAR;MYVAR", 12346, eval("var MYVAR='12345';++MYVAR;MYVAR") ); 133 array[item++] = new TestCase( SECTION, "var MYVAR='-12345';++MYVAR;MYVAR", -12344, eval("var MYVAR='-12345';++MYVAR;MYVAR") ); 134 array[item++] = new TestCase( SECTION, "var MYVAR='0xf';++MYVAR;MYVAR", 16, eval("var MYVAR='0xf';++MYVAR;MYVAR") ); 135 array[item++] = new TestCase( SECTION, "var MYVAR='077';++MYVAR;MYVAR", 78, eval("var MYVAR='077';++MYVAR;MYVAR") ); 136 array[item++] = new TestCase( SECTION, "var MYVAR='';++MYVAR;MYVAR", 1, eval("var MYVAR='';++MYVAR;MYVAR") ); 137 138 // string objects 139 array[item++] = new TestCase( SECTION, "var MYVAR=new String('string');++MYVAR", Number.NaN, eval("var MYVAR=new String('string');++MYVAR") ); 140 array[item++] = new TestCase( SECTION, "var MYVAR=new String('12345');++MYVAR", 12346, eval("var MYVAR=new String('12345');++MYVAR") ); 141 array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');++MYVAR", -12344, eval("var MYVAR=new String('-12345');++MYVAR") ); 142 array[item++] = new TestCase( SECTION, "var MYVAR=new String('0Xf');++MYVAR", 16, eval("var MYVAR=new String('0Xf');++MYVAR") ); 143 array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');++MYVAR", 78, eval("var MYVAR=new String('077');++MYVAR") ); 144 array[item++] = new TestCase( SECTION, "var MYVAR=new String(''); ++MYVAR", 1, eval("var MYVAR=new String('');++MYVAR") ); 145 146 // verify value of variable 147 148 array[item++] = new TestCase( SECTION, "var MYVAR=new String('string');++MYVAR;MYVAR", Number.NaN, eval("var MYVAR=new String('string');++MYVAR;MYVAR") ); 149 array[item++] = new TestCase( SECTION, "var MYVAR=new String('12345');++MYVAR;MYVAR", 12346, eval("var MYVAR=new String('12345');++MYVAR;MYVAR") ); 150 array[item++] = new TestCase( SECTION, "var MYVAR=new String('-12345');++MYVAR;MYVAR", -12344, eval("var MYVAR=new String('-12345');++MYVAR;MYVAR") ); 151 array[item++] = new TestCase( SECTION, "var MYVAR=new String('0xf');++MYVAR;MYVAR", 16, eval("var MYVAR=new String('0xf');++MYVAR;MYVAR") ); 152 array[item++] = new TestCase( SECTION, "var MYVAR=new String('077');++MYVAR;MYVAR", 78, eval("var MYVAR=new String('077');++MYVAR;MYVAR") ); 153 array[item++] = new TestCase( SECTION, "var MYVAR=new String('');++MYVAR;MYVAR", 1, eval("var MYVAR=new String('');++MYVAR;MYVAR") ); 154 155 return ( array ); 156 } 157
