testing/performance/talos/page_load_test/jss/object-string-82.html

   1 <html><head>
   2 <!-- MOZ_INSERT_CONTENT_HOOK -->
   3 <script src = runner.js></script>
   4 <script>
   5 var onlyName = 'toString', onlyNum = 131072;
   6 function thisTest() {
   7
   8 startTest("object-string");
   9
  10 // Try to force real results
  11 var ret;
  12
  13 // TESTS: String concatenation
  14
  15 for ( var num = 500; num <= 4000; num *= 2 ) (function(num){
  16
  17         test( "Concat String", num, function(){
  18                 var str = "";
  19                 for ( var i = 0; i < num; i++ )
  20                         str += "a";
  21                 ret = str;
  22         });
  23
  24         test( "Concat String Object", num, function(){
  25                 var str = new String();
  26                 for ( var i = 0; i < num; i++ )
  27                         str += "a";
  28                 ret = str;
  29         });
  30
  31         test( "Concat String from charCode", num, function(){
  32                 var str = "";
  33                 for ( var i = 0; i < num; i++ )
  34                         str += String.fromCharCode(97);
  35                 ret = str;
  36         });
  37
  38         test( "Array String Join", num, function(){
  39                 var str = [];
  40                 for ( var i = 0; i < num; i++ )
  41                         str.push("a");
  42                 ret = str.join("");
  43         });
  44
  45 })(num);
  46
  47 var str = "", tmp, num = 50;
  48
  49 for ( var i = 0; i < 16384; i++ )
  50         str += String.fromCharCode( (25 * Math.random()) + 97 );
  51
  52 for ( var i = 16384; i <= 131072; i *= 2 ) (function(i){
  53
  54         // TESTS: split
  55
  56         test( "String Split", i, function(){
  57                 ret = str.split("");
  58         });
  59
  60         test( "String Split on Char", i, function(){
  61                 ret = str.split("a");
  62         });
  63
  64         // TESTS: characters
  65
  66         test( "charAt", i, function(){
  67                 for ( var j = 0; j < num; j++ ) {
  68                         ret = str.charAt(0);
  69                         ret = str.charAt(str.length - 1);
  70                         ret = str.charAt( 15000 );
  71                         ret = str.charAt( 12000 );
  72                 }
  73         });
  74
  75         test( "[Number]", i, function(){
  76                 for ( var j = 0; j < num; j++ ) {
  77                         ret = str[0];
  78                         ret = str[str.length - 1];
  79                         ret = str[ 15000 ];
  80                         ret = str[ 12000 ];
  81                 }
  82         });
  83
  84         test( "charCodeAt", i, function(){
  85                 for ( var j = 0; j < num; j++ ) {
  86                         ret = str.charCodeAt(0);
  87                         ret = str.charCodeAt(str.length - 1);
  88                         ret = str.charCodeAt( 15000 );
  89                         ret = str.charCodeAt( 12000 );
  90                 }
  91         });
  92
  93         // TESTS: indexOf
  94
  95         test( "indexOf", i, function(){
  96                 for ( var j = 0; j < num; j++ ) {
  97                         ret = str.indexOf("a");
  98                         ret = str.indexOf("b");
  99                         ret = str.indexOf("c");
 100                         ret = str.indexOf("d");
 101                 }
 102         });
 103
 104         test( "lastIndexOf", i, function(){
 105                 for ( var j = 0; j < num; j++ ) {
 106                         ret = str.lastIndexOf("a");
 107                         ret = str.lastIndexOf("b");
 108                         ret = str.lastIndexOf("c");
 109                         ret = str.lastIndexOf("d");
 110                 }
 111         });
 112
 113         // TESTS: length
 114
 115         test( "length", i, function(){
 116                 for ( var j = 0; j < num; j++ ) {
 117                         ret = str.length;
 118                         ret = str.length;
 119                         ret = str.length;
 120                         ret = str.length;
 121                         ret = str.length;
 122                         ret = str.length;
 123                 }
 124         });
 125
 126         // TESTS: slice
 127
 128         test( "slice", i, function(){
 129                 for ( var j = 0; j < num; j++ ) {
 130                         ret = str.slice(0);
 131                         ret = str.slice(0,5);
 132                         ret = str.slice(-1);
 133                         ret = str.slice(-6,-1);
 134                         ret = str.slice( 15000, 15005 );
 135                         ret = str.slice( 12000, -1 );
 136                 }
 137         });
 138
 139         // TESTS: substr
 140
 141         test( "substr", i, function(){
 142                 for ( var j = 0; j < num; j++ ) {
 143                         ret = str.substr(0);
 144                         ret = str.substr(0,5);
 145                         ret = str.substr(-1);
 146                         ret = str.substr(-6,1);
 147                         ret = str.substr( 15000, 5 );
 148                         ret = str.substr( 12000, 5 );
 149                 }
 150         });
 151
 152         // TESTS: substring
 153
 154         test( "substring", i, function(){
 155                 for ( var j = 0; j < num; j++ ) {
 156                         ret = str.substring(0);
 157                         ret = str.substring(0,5);
 158                         ret = str.substring(-1);
 159                         ret = str.substring(-6,-1);
 160                         ret = str.substring( 15000, 15005 );
 161                         ret = str.substring( 12000, -1 );
 162                 }
 163         });
 164
 165         // TESTS: toLower/UpperCase
 166
 167         test( "toLowerCase", i, function(){
 168                 for ( var j = 0; j < num; j++ ) {
 169                         ret = str.toLowerCase();
 170                 }
 171         });
 172
 173         test( "toUpperCase", i, function(){
 174                 for ( var j = 0; j < num; j++ ) {
 175                         ret = str.toUpperCase();
 176                 }
 177         });
 178
 179         // TESTS: toSource
 180
 181         test( "toSource", i, function(){
 182                 for ( var j = 0; j < num; j++ ) {
 183                         ret = str.toSource();
 184                 }
 185         });
 186
 187         // TESTS: toString
 188
 189         test( "toString", i, function(){
 190                 for ( var j = 0; j < num; j++ ) {
 191                         ret = str.toString();
 192                 }
 193         });
 194
 195         // TESTS: valueOf
 196
 197         test( "valueOf", i, function(){
 198                 for ( var j = 0; j < num; j++ ) {
 199                         ret = str.valueOf();
 200                 }
 201         });
 202
 203         // TESTS: comparing
 204
 205         var tmp = str + "a";
 206
 207         test( "comparing", i, function(){
 208                 for ( var j = 0; j < num; j++ ) {
 209                         ret = str == tmp;
 210                         ret = str < tmp;
 211                         ret = str > tmp;
 212                 }
 213         });
 214
 215         // Double the length of the string
 216         str += str;
 217 })(i);
 218
 219 endTest();
 220 }
 221 </script>
 222 <body onload="thisTest()"></body></html>