testing/performance/talos/page_load_test/jss/object-array-11.html

   1 <html><head>
   2 <!-- MOZ_INSERT_CONTENT_HOOK -->
   3 <script src = runner.js></script>
   4 <script>
   5 var onlyName = 'Array Construction, push', onlyNum = 32768;
   6 function thisTest() {
   7
   8 startTest("object-array");
   9
  10 var ret = [], tmp, num = 500;
  11
  12 for ( var i = 16384; i <= 131072; i *= 2 ) (function(i){
  13
  14         // TESTS: Array Building
  15
  16         test("Array Construction, []", i, function(){
  17                 for ( var j = 0; j < num; j++ ) {
  18                         ret = [];
  19                         ret.length = i;
  20                 }
  21         });
  22
  23         test("Array Construction, new Array()", i, function(){
  24                 for ( var j = 0; j < num; j++ )
  25                         ret = new Array(i);
  26         });
  27
  28         test("Array Construction, push", i, function(){
  29                 ret = [];
  30                 for ( var j = 0; j < i; j++ )
  31                         ret.push(j);
  32         });
  33
  34         i /= 128;
  35
  36         test("Array Deconstruction, pop", i, function(){
  37                 for ( var j = 0; j < i; j++ )
  38                         tmp = ret.pop();
  39         });
  40
  41         test("Array Construction, unshift", i, function(){
  42                 ret = [];
  43                 for ( var j = 0; j < i; j++ )
  44                         ret.unshift(j);
  45         });
  46
  47         test("Array Deconstruction, shift", i, function(){
  48                 for ( var j = 0; j < i; j++ )
  49                         tmp = ret.shift();
  50         });
  51
  52         test("Array Construction, splice", i, function(){
  53                 ret = [];
  54                 for ( var j = 0; j < i; j++ )
  55                         ret.splice(0,0,j);
  56         });
  57
  58         test("Array Deconstruction, splice", i, function(){
  59                 for ( var j = 0; j < i; j++ )
  60                         tmp = ret.splice(0,1);
  61         });
  62
  63 })(i);
  64
  65 endTest();
  66 }
  67 </script>
  68 <body onload="thisTest()"></body></html>