| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| <script> |
| |
| window.jsTestIsAsync = true; |
| |
| var iteration = 0; |
| var sheet, rules; |
| |
| function step1(opt_media) |
| { |
| var doc = document.implementation.createHTMLDocument(); |
| var style = doc.createElement('style'); |
| doc.head.appendChild(style); |
| sheet = style.sheet; |
| if (opt_media) { |
| sheet.insertRule('@media screen { body { background: red; } p { color: white; } }', 0); |
| rules = sheet.rules[0]; |
| sheet.removeRule(0); |
| sheet = 0; |
| } |
| |
| doc.head.removeChild(style); |
| document.adoptNode(style); |
| delete doc; |
| gc(); |
| setTimeout(opt_media ? step2a : step2b, 10); |
| } |
| |
| function step2a() |
| { |
| try { |
| rules.insertRule('a { }', 1); |
| if (iteration++ == 10) { |
| iteration = 0; |
| step1(true); |
| return; |
| } |
| |
| setTimeout('step1(false)', 0); |
| } |
| catch(e) { |
| document.body.innerText = 'FAIL, threw exception.'; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| |
| } |
| } |
| |
| function step2b() |
| { |
| try { |
| sheet.insertRule('a { }', 0); |
| if (iteration++ == 10) { |
| document.body.innerText = 'PASS'; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| return; |
| } |
| |
| setTimeout('step1(true)', 0); |
| } |
| catch(e) { |
| document.body.innerText = 'FAIL, threw exception.'; |
| if (window.testRunner) |
| testRunner.notifyDone(); |
| |
| } |
| } |
| |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </head> |
| <body onload="step1()"> |
| Running... |
| </body> |
| </html> |
