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125 lines
4.1 KiB
HTML
125 lines
4.1 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=907503
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-->
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<head>
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<title>Test for Bug 907503</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script>
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<script type="application/javascript" src="imgutils.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=907503">Mozilla Bug 907503</a>
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<p id="display"></p>
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<div id="content">
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<div id="referenceDiv" style="height: 100px; width: 100px;
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display: none; background: lime"></div>
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<img>
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</div>
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<pre id="test">
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<script type="application/javascript;version=1.8">
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/** Test for Bug 907503**/
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SimpleTest.requestFlakyTimeout("Early failure timeout");
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SimpleTest.waitForExplicitFinish();
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const FAILURE_TIMEOUT = 120000; // Fail early after 120 seconds (2 minutes)
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const Cc = SpecialPowers.Cc;
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const Ci = SpecialPowers.Ci;
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const gImg = document.getElementsByTagName("img")[0];
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var gMyDecoderObserver; // value will be set in main()
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var gReferenceSnapshot; // value will be set in takeReferenceSnapshot()
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var gOnFrameUpdateCounter = 0;
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var gIsTestFinished = false;
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function takeReferenceSnapshot() {
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// Take a snapshot of the initial (essentially blank) page
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let blankSnapshot = snapshotWindow(window, false);
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// Show reference div, & take a snapshot
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let referenceDiv = document.getElementById("referenceDiv");
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referenceDiv.style.display = "block";
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gReferenceSnapshot = snapshotWindow(window, false);
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ok(compareSnapshots(blankSnapshot, gReferenceSnapshot, false)[0],
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"reference snapshot shouldn't match blank page snapshot");
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// Re-hide reference div, and take another snapshot to be sure it's gone
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referenceDiv.style.display = "none";
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let blankSnapshot2 = snapshotWindow(window, false);
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ok(compareSnapshots(blankSnapshot, blankSnapshot2, true)[0],
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"reference div should disappear when it becomes display:none");
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}
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function myOnFrameUpdate(aRequest) {
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if (gIsTestFinished) {
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return;
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}
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gOnFrameUpdateCounter++;
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ok(true, "myOnFrameUpdate called");
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let currentSnapshot = snapshotWindow(window, false);
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if (compareSnapshots(currentSnapshot, gReferenceSnapshot, true)[0]) {
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// SUCCESS!
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ok(true, "Animated image looks correct, " +
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"at call #" + gOnFrameUpdateCounter + " to myOnFrameUpdate");
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cleanUpAndFinish();
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}
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}
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function failTest() {
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if (gIsTestFinished) {
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return;
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}
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ok(false, "timing out after " + FAILURE_TIMEOUT + "ms. " +
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"Animated image still doesn't look correct, " +
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"after call #" + gOnFrameUpdateCounter + " to myOnFrameUpdate");
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cleanUpAndFinish();
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}
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function cleanUpAndFinish() {
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// On the off chance that failTest and myOnFrameUpdate are triggered
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// back-to-back, use a flag to prevent multiple calls to SimpleTest.finish.
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if (gIsTestFinished) {
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return;
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}
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let imgLoadingContent = SpecialPowers.wrap(gImg).QueryInterface(Ci.nsIImageLoadingContent);
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imgLoadingContent.removeObserver(gMyDecoderObserver);
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SimpleTest.finish();
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gIsTestFinished = true;
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}
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function main() {
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takeReferenceSnapshot();
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// Create, customize & attach decoder observer
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observer = new ImageDecoderObserverStub();
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observer.frameUpdate = myOnFrameUpdate;
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gMyDecoderObserver =
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Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools)
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.createScriptedObserver(SpecialPowers.wrapCallbackObject(observer));
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let imgLoadingContent = SpecialPowers.wrap(gImg).QueryInterface(Ci.nsIImageLoadingContent);
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imgLoadingContent.addObserver(gMyDecoderObserver);
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// We want to test the cold loading behavior, so clear cache in case an
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// earlier test got our image in there already.
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clearAllImageCaches();
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// kick off image-loading! myOnFrameUpdate handles the rest.
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gImg.setAttribute("src", "lime-anim-100x100-2.svg");
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// In case something goes wrong, fail earlier than mochitest timeout,
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// and with more information.
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setTimeout(failTest, FAILURE_TIMEOUT);
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}
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window.onload = main;
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</script>
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</pre>
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</body>
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</html>
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