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comparison: image/test/mochitest/test_bug399925.html
image/test/mochitest/test_bug399925.html
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:167df8786017 |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <html> | |
| 3 <!-- | |
| 4 https://bugzilla.mozilla.org/show_bug.cgi?id=399925 | |
| 5 --> | |
| 6 <head> | |
| 7 <title>Test for Bug 399925</title> | |
| 8 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 9 <script type="text/javascript" src="imgutils.js"></script> | |
| 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 11 </head> | |
| 12 <body> | |
| 13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=399925">Mozilla Bug 399925</a> | |
| 14 <p id="display"></p> | |
| 15 <div id="content" style="display: none"> | |
| 16 <img src="bug399925.gif" id="gif" /> | |
| 17 <canvas id="canvas" width="100" height="100"> </canvas> | |
| 18 </div> | |
| 19 <pre id="test"> | |
| 20 <script class="testbody" type="text/javascript"> | |
| 21 | |
| 22 /** Test for Bug 399925. **/ | |
| 23 var pngResults = new Array(); | |
| 24 var oldTimeoutPref; | |
| 25 var oldDiscardPref; | |
| 26 SimpleTest.waitForExplicitFinish(); | |
| 27 window.onload = runTest; | |
| 28 | |
| 29 function runTest() | |
| 30 { | |
| 31 // Get the old discard timeout | |
| 32 oldTimeoutPref = getImagePref(DISCARD_TIMEOUT_PREF); | |
| 33 | |
| 34 // We're testing discarding here, so we should make sure it's flipped on | |
| 35 oldDiscardPref = getImagePref(DISCARD_ENABLED_PREF); | |
| 36 | |
| 37 // Enable Discarding | |
| 38 setImagePref(DISCARD_ENABLED_PREF, true); | |
| 39 | |
| 40 // Sets the discard timer to 500ms so we don't have to wait so long. The | |
| 41 // actual time is nondeterministic, but is bounded by 2 * timer = 1 second. | |
| 42 setImagePref(DISCARD_TIMEOUT_PREF, 1000); | |
| 43 | |
| 44 // Create the image _after_ setting the discard timer pref | |
| 45 var image = new Image(); | |
| 46 image.setAttribute("id", "gif"); | |
| 47 image.src = "bug399925.gif"; | |
| 48 document.getElementById("content").appendChild(image); | |
| 49 | |
| 50 // draw the canvas once | |
| 51 drawCanvas(); | |
| 52 | |
| 53 // Set the timeout to draw it after discard | |
| 54 setTimeout('drawCanvas(); allDone();', 3000); | |
| 55 } | |
| 56 | |
| 57 function drawCanvas() | |
| 58 { | |
| 59 var canvas = document.getElementById('canvas'); | |
| 60 var context = canvas.getContext('2d'); | |
| 61 var gif = document.getElementById('gif'); | |
| 62 | |
| 63 context.drawImage(gif, 0, 0); | |
| 64 ok(true, "we got through the drawImage call without an exception being thrown"); | |
| 65 pngResults.push(canvas.toDataURL); | |
| 66 } | |
| 67 | |
| 68 function allDone() | |
| 69 { | |
| 70 is(pngResults[0], pngResults[1], "got different rendered results"); | |
| 71 setImagePref(DISCARD_TIMEOUT_PREF, oldTimeoutPref); | |
| 72 setImagePref(DISCARD_ENABLED_PREF, oldDiscardPref); | |
| 73 SimpleTest.finish(); | |
| 74 } | |
| 75 | |
| 76 </script> | |
| 77 </pre> | |
| 78 </body> | |
| 79 </html> | |
| 80 |
