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comparison: image/test/mochitest/test_bug435296.html
image/test/mochitest/test_bug435296.html
- branch
- TOR_BUG_9701
- changeset 10
- ac0c01689b40
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| -1:000000000000 | 0:7003fb5c21b6 |
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| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 https://bugzilla.mozilla.org/show_bug.cgi?id=435296 | |
| 5 --> | |
| 6 <head> | |
| 7 <title>Test for Bug 435296</title> | |
| 8 <script type="application/javascript" src="/MochiKit/MochiKit.js"></script> | |
| 9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 10 <script type="application/javascript" src="imgutils.js"></script> | |
| 11 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> | |
| 12 </head> | |
| 13 <body> | |
| 14 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=435296">Mozilla Bug 435296</a> | |
| 15 <img id="testimage" style="display: none;"> | |
| 16 <pre id="test"> | |
| 17 <script type="application/javascript"> | |
| 18 | |
| 19 // Boilerplate | |
| 20 SimpleTest.waitForExplicitFinish(); | |
| 21 | |
| 22 // Assert that discarding isn't enabled, which might make this test go orange. | |
| 23 ok(!getImagePref(DISCARD_ENABLED_PREF), "discarding should NOT be enabled here"); | |
| 24 | |
| 25 // We want to make sure d-o-d is enabled, since that's what we're testing | |
| 26 var oldDODPref = getImagePref(DECODEONDRAW_ENABLED_PREF); | |
| 27 setImagePref(DECODEONDRAW_ENABLED_PREF, true); | |
| 28 | |
| 29 // We're relying on very particular behavior for certain images - clear the | |
| 30 // image cache. | |
| 31 clearImageCache(); | |
| 32 | |
| 33 // In order to work around the effects introduced in bug 512435, we only load | |
| 34 // the image after window onload fires | |
| 35 function windowLoadHandler() | |
| 36 { | |
| 37 // Set the source and an onload handler | |
| 38 var image = document.getElementById("testimage"); | |
| 39 image.src = "schrep.png"; | |
| 40 image.onload = imageLoadHandler; | |
| 41 } | |
| 42 | |
| 43 function imageLoadHandler() | |
| 44 { | |
| 45 // The image is hidden, so it should not be decoded | |
| 46 ok(!isFrameDecoded("testimage"), "image should not be decoded"); | |
| 47 | |
| 48 // Make the image visible | |
| 49 var image = document.getElementById("testimage"); | |
| 50 image.style.display = "inline"; | |
| 51 | |
| 52 // Wait for the image to decode | |
| 53 setTimeout("tryToFinish();", 500); | |
| 54 } | |
| 55 | |
| 56 function tryToFinish() | |
| 57 { | |
| 58 // If it hasn't happened yet, wait longer. If it never happens, this test | |
| 59 // will timeout after 300 seconds... | |
| 60 if (!isFrameDecoded("testimage")) { | |
| 61 setTimeout("tryToFinish();", 500); | |
| 62 return; | |
| 63 } | |
| 64 | |
| 65 // By definition, the image is decoded here. Give ourselves a pat on the back. | |
| 66 ok(isFrameDecoded("testimage"), "image should be decoded"); | |
| 67 | |
| 68 // Restore the decode-on-draw pref | |
| 69 setImagePref(DECODEONDRAW_ENABLED_PREF, oldDODPref); | |
| 70 | |
| 71 // All done | |
| 72 SimpleTest.finish(); | |
| 73 } | |
| 74 | |
| 75 // Set our onload handler, making sure we have focus | |
| 76 window.onload = SimpleTest.waitForFocus(windowLoadHandler); | |
| 77 | |
| 78 </script> | |
| 79 </pre> | |
| 80 </body> | |
| 81 </html> |
