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      1 /*
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     29  */
     30 
     31 // Tests cloning and appending small and medium DOM trees.
     32 function CloneNodes(size, style) {
     33     var me = this;
     34     this.size = size;
     35     this.style = style;
     36 
     37     this.name = me.size + ', ' + me.style;
     38 
     39     var nClones = 0;
     40 
     41     this.Setup = function() {
     42         // getDOMTree will initialize the global tree if necessary.
     43         me.domTree = me.getDOMTree();
     44         if (me.style == 'append')
     45             me.domTree = me.domTree.cloneNode(true);
     46     };
     47 
     48     this.Test = function() {
     49         var kIterations = 10;
     50         if (me.style == 'clone') {
     51             for (var iterations = 0; iterations < kIterations; iterations++)
     52                 me.domTree.cloneNode(true);
     53         } else {
     54             for (var iterations = 0; iterations < kIterations; iterations++)
     55                 this.suite.benchmarkContent.appendChild(me.domTree);
     56         }
     57     };
     58 
     59     // Returns a tree of size me.size from the pool in the prototype, creating
     60     // one if needed.
     61     this.getDOMTree = function() {
     62         var domTree = me.Trees[me.size];
     63         if (!domTree) {
     64             switch (this.size) {
     65             case 'small':
     66                 domTree = BenchmarkSuite.prototype.generateSmallTree();
     67                 break;
     68             case 'medium':
     69                 domTree = BenchmarkSuite.prototype.generateMediumTree();
     70                 break;
     71             case 'large':
     72                 domTree = BenchmarkSuite.prototype.generateLargeTree();
     73                 break;
     74             }
     75             me.Trees[me.size] = domTree;
     76         }
     77         return domTree;
     78     };
     79 
     80     this.GetBenchmark = function() {
     81         return new Benchmark(this.name, this.Test, this.Setup);
     82     };
     83 };
     84 
     85 CloneNodes.prototype = {
     86     Sizes: ['small', 'medium'],
     87     Styles: ['clone', 'append'],
     88     Trees: {}
     89 };
     90 
     91 // Generate a test for each size/style combination.
     92 var benchmarks = [];
     93 CloneNodes.prototype.Sizes.forEach(function(size) {
     94     CloneNodes.prototype.Styles.forEach(function(style) {
     95         benchmarks.push(new CloneNodes(size, style).GetBenchmark());
     96     });
     97 });
     98 
     99 var CloneNodesTest = new BenchmarkSuite('CloneNodes', benchmarks);
    100