image/test/mochitest/test_bug435296.html

Fri, 16 Jan 2015 18:13:44 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 18:13:44 +0100
branch
TOR_BUG_9701
changeset 14
925c144e1f1f
permissions
-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

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

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