Canonicalize how we prepare the prototype chain for inline caching
[WebKit-https.git] / PerformanceTests / Parser / html-parser-threaded.html
1 <!DOCTYPE html>
2 <body>
3 <script src="../resources/runner.js"></script>
4 <script>
5 // Use the threaded parser if available:
6 if (window.internals && window.internals.settings.setThreadedHTMLParser)
7     window.internals.settings.setThreadedHTMLParser(true);
8
9 var specURL = "resources/html5.html";
10
11 var iframe = document.createElement("iframe");
12 iframe.style.display = "none";  // Prevent creation of the rendering tree, so we only test HTML parsing.
13 iframe.sandbox = '';  // Prevent external script loads which could cause write() to return before completing the parse.
14 document.body.appendChild(iframe);
15
16 PerfTestRunner.prepareToMeasureValuesAsync({done: onCompletedRun, unit: 'ms'});
17
18 iframe.onload = function() {
19     var now = PerfTestRunner.now();
20     PerfTestRunner.measureValueAsync(now - then);
21     then = now;
22     iframe.src = specURL;
23 }
24 var then = PerfTestRunner.now();
25 iframe.src = specURL;
26
27 function onCompletedRun() {
28     iframe.onload = null;
29     // FIXME: This should probably remove the iframe, but that currently
30     // causes the threaded-parser to never send the load event for the main page.
31     // document.body.removeChild(iframe);
32 }
33 </script>
34 </body>