| <script> |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| testRunner.dumpAsText(); |
| } |
| |
| window.addEventListener("message", (event) => { |
| document.write(event.data); |
| if (window.testRunner) { testRunner.notifyDone() } |
| }, false); |
| |
| function addIframe() { |
| var iframe = document.createElement('iframe'); |
| const js = '' |
| + 'try{' |
| + ' performance.measure("fetchStart", "fetchStart", "fetchStart");' |
| + ' window.parent.postMessage("PASS - performance.measure did not throw", "*")' |
| + '} catch(e) {' |
| + ' window.parent.postMessage("FAIL - performance.measure did throw", "*")' |
| + '}'; |
| iframe.src = 'data:text/html;charset=utf-8,' + encodeURI('<script>' + js + '</scri' + 'pt>'); |
| document.body.appendChild(iframe); |
| } |
| </script> |
| <body onload='addIframe()'/> |
