The Tor Browser / file comparison
comparison: dom/browser-element/mochitest/browserElement_NextPaint.js
dom/browser-element/mochitest/browserElement_NextPaint.js
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:76b1e6030c68 |
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| 1 /* Any copyright is dedicated to the public domain. | |
| 2 http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 // Bug 808231 - Add mozbrowsernextpaint event. | |
| 5 "use strict"; | |
| 6 | |
| 7 SimpleTest.waitForExplicitFinish(); | |
| 8 browserElementTestHelpers.setEnabledPref(true); | |
| 9 browserElementTestHelpers.addPermission(); | |
| 10 | |
| 11 function runTest() { | |
| 12 var iframe = document.createElement('iframe'); | |
| 13 SpecialPowers.wrap(iframe).mozbrowser = true; | |
| 14 document.body.appendChild(iframe); | |
| 15 | |
| 16 // Add a first listener that we'll remove shortly after. | |
| 17 iframe.addNextPaintListener(wrongListener); | |
| 18 | |
| 19 var gotFirstNextPaintEvent = false; | |
| 20 iframe.addNextPaintListener(function () { | |
| 21 ok(!gotFirstNextPaintEvent, 'got the first nextpaint event'); | |
| 22 | |
| 23 // Make sure we're only called once. | |
| 24 gotFirstNextPaintEvent = true; | |
| 25 | |
| 26 iframe.addNextPaintListener(function () { | |
| 27 info('got the second nextpaint event'); | |
| 28 SimpleTest.finish(); | |
| 29 }); | |
| 30 | |
| 31 // Force the iframe to repaint. | |
| 32 SimpleTest.executeSoon(function () iframe.src += '#next'); | |
| 33 }); | |
| 34 | |
| 35 // Remove the first listener to make sure it's not called. | |
| 36 iframe.removeNextPaintListener(wrongListener); | |
| 37 iframe.src = 'file_browserElement_NextPaint.html'; | |
| 38 } | |
| 39 | |
| 40 function wrongListener() { | |
| 41 ok(false, 'first listener should have been removed'); | |
| 42 } | |
| 43 | |
| 44 addEventListener('testready', runTest); |
