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| (Empty) | |
| 1 <html> |
| 2 <head> |
| 3 <script> |
| 4 var ranProgressHandler = false; |
| 5 var completedUpload = false; |
| 6 |
| 7 var asyncXHR; |
| 8 var lastSeenProgress = 0; |
| 9 // Build a long string, fast. |
| 10 // data.length = 2 * 3^15 = 28697814 |
| 11 |
| 12 var data = 'yo'; |
| 13 var iterations = 15; |
| 14 for (var i = 0; i < iterations; i++) { |
| 15 data = data + data + data; |
| 16 } |
| 17 |
| 18 function sendResults(failures) { |
| 19 var resultString = failures.length ? failures.join('\n') : "success"; |
| 20 window.domAutomationController.send(resultString); |
| 21 } |
| 22 |
| 23 function progressListener(e) { |
| 24 var progress = e.loaded; |
| 25 var failureList = []; |
| 26 |
| 27 // The |progress| event should not be called after the |load| event. |
| 28 // e.loaded should never hold the same value twice. |
| 29 if (completedUpload) |
| 30 failureList.push('Progress event occurred after load event.'); |
| 31 if (progress <= lastSeenProgress) |
| 32 failureList.push('No forward upload progress between events.'); |
| 33 if (e.total != data.length) |
| 34 failureList.push('Upload total does not match payload size.'); |
| 35 if (progress > e.total) |
| 36 failureList.push('Upload progress exceeds payload size.'); |
| 37 |
| 38 if (failureList.length) |
| 39 sendResults(failureList); |
| 40 |
| 41 lastSeenProgress = progress; |
| 42 ranProgressHandler = true; |
| 43 } |
| 44 |
| 45 function completedUpload(e) { |
| 46 completedUpload = true; |
| 47 } |
| 48 |
| 49 function onFinished(e) { |
| 50 var failureList = []; |
| 51 if (!ranProgressHandler) |
| 52 failureList.push('Finished upload without firing a progress event.'); |
| 53 if (lastSeenProgress != data.length) |
| 54 failureList.push('Final progress event before data transfer completed.'); |
| 55 if (this.responseText != 'hello') { |
| 56 failureList.push( |
| 57 'Receieved responseText: \'' + this.responseText +'\'. Expected: \'hello
\'.'); |
| 58 } |
| 59 sendResults(failureList); |
| 60 } |
| 61 |
| 62 function onError(e) { |
| 63 sendResults(['Received an XHR error event.']); |
| 64 } |
| 65 |
| 66 function WaitForAsyncXHR(url) { |
| 67 asyncXHR = new XMLHttpRequest(); |
| 68 asyncXHR.addEventListener('load', onFinished); |
| 69 asyncXHR.addEventListener('error', onError); |
| 70 |
| 71 asyncXHR.upload.addEventListener('progress', progressListener); |
| 72 asyncXHR.upload.addEventListener('load', completedUpload); |
| 73 |
| 74 asyncXHR.open('POST', url, true); |
| 75 |
| 76 asyncXHR.setRequestHeader('Content-Type', 'text/plain'); |
| 77 asyncXHR.send(data); |
| 78 } |
| 79 </script> |
| 80 </head> |
| 81 <body> |
| 82 This page sends an asynchronous XMLHttpRequest on calling WaitForAsyncXHR(url). |
| 83 </body> |
| 84 </html> |
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Chromium Code Reviews
Issue 1301103002:
moved upload progress logic from ResourceLoader to AsyncResourceHandler (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master