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| (Empty) | |
| 1 <html> |
| 2 <body onload="onLoad()"> |
| 3 <script> |
| 4 |
| 5 function log(message) { |
| 6 var div = document.createElement('div'); |
| 7 div.innerText = message; |
| 8 document.getElementById('console').appendChild(div); |
| 9 } |
| 10 |
| 11 function strike(id) { |
| 12 document.getElementById(id).style.textDecoration = "line-through" |
| 13 } |
| 14 |
| 15 function onLoad() { |
| 16 if (!Worker.prototype.postMessage) { // fake workers |
| 17 strike('s1'); |
| 18 strike('s2'); |
| 19 log('[using fake workers]'); |
| 20 } else { |
| 21 log('[using real workers]'); |
| 22 } |
| 23 } |
| 24 |
| 25 var primeWorker; |
| 26 var invalidWorker; |
| 27 var count; |
| 28 var timer; |
| 29 |
| 30 function startWorkers() { |
| 31 startButton.disabled = true; |
| 32 |
| 33 primeWorker = new Worker('resources/worker-primes.js');
|
| 34 primeWorker.onmessage = onMessage; |
| 35 primeWorker.onerror = onError; |
| 36 primeWorker.postMessage(2); |
| 37 count = 3; |
| 38 |
| 39 timer = setInterval(onTimer, 1000); |
| 40 try { |
| 41 invalidWorker = new Worker('non-existent-worker.js'); |
| 42 } catch(e) { |
| 43 } |
| 44 log('Started worker'); |
| 45 } |
| 46 |
| 47 function onTimer() { |
| 48 primeWorker.postMessage(count); |
| 49 count+=2; |
| 50 } |
| 51 |
| 52 function onMessage(event) { |
| 53 if (event.data[1]) { |
| 54 log(event.data[0]); |
| 55 if (event.data[0] === 5) |
| 56 strike('s6'); |
| 57 } |
| 58 } |
| 59 |
| 60 function onError(event) { |
| 61 log('Error in worker: ' + event.message); |
| 62 strike('s8'); |
| 63 } |
| 64 |
| 65 function causeError() { |
| 66 primeWorker.postMessage('forty two'); |
| 67 } |
| 68 |
| 69 function stopWorker() { |
| 70 log('Stopping worker...'); |
| 71 if (timer) { |
| 72 clearInterval(timer); |
| 73 timer = 0; |
| 74 } |
| 75 primeWorker.terminate(); |
| 76 startButton.disabled = false; |
| 77 } |
| 78 |
| 79 </script> |
| 80 |
| 81 <h1>Tests debugging of HTML5 Workers</h1> |
| 82 |
| 83 <ol> |
| 84 |
| 85 <li id="s1">Open DevTools, Scripts Panel; Tick Debug on Workers sidebar.</li> |
| 86 <li id="s2">Reload the page.</li> |
| 87 <li id="s3"><button onclick="startWorkers()" id="startButton">Start Worker</butt
on></li> |
| 88 <li id="s4">Observe 2 workers appear in the worker sidebar pane (including non-e
xistent-worker.js)"</li> |
| 89 <li id="s5">Observe worker-primes.js and primes.js appear in scripts drop-down b
ox.</li> |
| 90 <li id="s6">Assure primes are being logged to test console below.</li> |
| 91 <li id="s7">Set a breakpoint on one of worker scripts, assure it's hit.</li> |
| 92 <li id="s8">Try causing an error in worker, observe it's logged in DevTools cons
ole and in test console below. |
| 93 <button onclick="causeError()">Cause Error</button> |
| 94 <li id="s9"><button onclick="stopWorker()">Stop Worker</button></li> |
| 95 |
| 96 </ol> |
| 97 |
| 98 <div id="console" style="font-family: courier; background-color: black; color: g
reen; width: 80em; height: 25em; overflow: scroll"> |
| 99 </div> |
| 100 |
| 101 </body> |
| 102 </html> |
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Chromium Code Reviews
Issue 11645015:
Revert r173891 - "DevTools: rename debugger/ to devtools/, move DevTools files into content/rendere… (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src