| <!DOCTYPE html> |
| <head> |
| </head> |
| <body> |
| <div id="result">RESULT</div> |
| <script> |
| |
| var resultDiv = document.getElementById('result'); |
| |
| if (window.testRunner) { |
| testRunner.dumpAsText(); |
| testRunner.waitUntilDone(); |
| } |
| |
| var count = 0; |
| |
| var observer = new MutationObserver(function(r) { |
| count += r.length; |
| }); |
| |
| var div = document.createElement('div'); |
| observer.observe(div, { attributes: true }); |
| |
| function mutate() { |
| div.setAttribute('count', count); |
| } |
| |
| var counts = []; |
| function check() { |
| counts.push(count); |
| } |
| |
| function finish() { |
| setTimeout(function() { |
| check(); |
| |
| var result = counts[0] == 0 && |
| counts[1] == 0 && |
| counts[2] == 0 && |
| counts[3] == 1 ? 'PASSED' : 'FAILED'; |
| |
| document.documentElement.appendChild(document.createElement('body')); |
| document.body.innerHTML = result; |
| if (window.testRunner) { |
| testRunner.notifyDone(); |
| } |
| }, 0); |
| } |
| |
| finish(); |
| </script> |
| <iframe onload="mutate(); check(); document.write('<script>check();</script>'); document.close(); check(); finish();"> |
| </body> |
