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comparison: image/test/mochitest/test_image_buffer_limit.html
image/test/mochitest/test_image_buffer_limit.html
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:88b2fd72564d |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 https://bugzilla.mozilla.org/show_bug.cgi?id=878577 | |
| 5 --> | |
| 6 <head> | |
| 7 <title>Test for Bug 878577 - Hard limit of decoded image buffer size</title> | |
| 8 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 9 <script type="application/javascript" src="imgutils.js"></script> | |
| 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> | |
| 11 </head> | |
| 12 | |
| 13 <body> | |
| 14 | |
| 15 <!-- | |
| 16 Initial setup: The default size limit is 65M | |
| 17 Step 1: Load 6M-pixels.png ok | |
| 18 Step 2: Load 12M-pixels-1.png fail | |
| 19 Step 3: Remove 6M-pixels.png and clear the decoded image | |
| 20 Step 4: Load 12M-pixels-2.png ok | |
| 21 --> | |
| 22 | |
| 23 <script> | |
| 24 | |
| 25 SimpleTest.waitForExplicitFinish(); | |
| 26 | |
| 27 function loadImage(url) { | |
| 28 info('loading ' + url); | |
| 29 var image = new Image(50,50); | |
| 30 image.src = url; | |
| 31 document.body.appendChild(image); | |
| 32 return image; | |
| 33 } | |
| 34 | |
| 35 function fail(msg) { | |
| 36 return function() { | |
| 37 ok(false, msg); | |
| 38 SimpleTest.finish(); | |
| 39 }; | |
| 40 } | |
| 41 | |
| 42 function runTest() { | |
| 43 // provide a clean setup | |
| 44 clearImageCache(); | |
| 45 | |
| 46 var img_6M = loadImage('6M-pixels.png'); | |
| 47 img_6M.onerror = fail('unable to load 6M-pixels.png'); | |
| 48 img_6M.onload = function() { | |
| 49 ok(true, 'expect success on loading a 6M-pixel image'); | |
| 50 | |
| 51 var img_12M = loadImage('12M-pixels-1.png'); | |
| 52 img_12M.onload = fail('should fail to load due to image buffer size limit'); | |
| 53 img_12M.onerror = function() { | |
| 54 ok(true, 'expect fail on loading a 12M-pixel image'); | |
| 55 | |
| 56 // remove image cache | |
| 57 info('discard decoded image buffer'); | |
| 58 img_6M.onerror = null; | |
| 59 img_6M.src = null; | |
| 60 img_12M.onerror = null; | |
| 61 img_12M.src = null; | |
| 62 document.body.removeChild(img_6M); | |
| 63 document.body.removeChild(img_12M); | |
| 64 clearImageCache(); | |
| 65 | |
| 66 // Spin the event to give the image a chance to be discarded. | |
| 67 SimpleTest.executeSoon(function() { | |
| 68 var another_img_12M = loadImage('12M-pixels-2.png'); | |
| 69 another_img_12M.onerror = fail('unable to load 12M-pixels-2.png'); | |
| 70 another_img_12M.onload = function() { | |
| 71 ok(true, 'expect success on loading another 12M-pixel image'); | |
| 72 another_img_12M.onerror = null; | |
| 73 another_img_12M.onload = null; | |
| 74 SimpleTest.finish(); | |
| 75 }; // another_img_12M.onload | |
| 76 }); | |
| 77 | |
| 78 }; // img_12M.onerror | |
| 79 }; // img_6M.onload | |
| 80 } | |
| 81 | |
| 82 window.addEventListener("load", function() { | |
| 83 SpecialPowers.pushPrefEnv({ | |
| 84 "set": [ | |
| 85 // XXX prevent displayed imgFrame been released | |
| 86 ["image.mem.allow_locking_in_content_processes", true] | |
| 87 ] | |
| 88 }, runTest); | |
| 89 }); | |
| 90 | |
| 91 </script> | |
| 92 </body> | |
| 93 </html> | |
| 94 |
