зеркало из https://github.com/mozilla/gecko-dev.git
161 строка
4.5 KiB
HTML
161 строка
4.5 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=841579
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-->
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<head>
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<title>Test for Bug 841579</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=841579">Mozilla Bug 841579</a>
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<p id="display"></p>
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<div id="content">
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</div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 841579**/
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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 gContent = document.getElementById("content");
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var gImg;
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var gMyDecoderObserver;
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var gIsTestFinished = false;
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var gFiles;
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var gNotifications = 0;
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var gLoads = 0;
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var gRemovals = 0;
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var gExpected = 5;
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function* fileToLoad() {
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yield "red.png";
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yield "invalid.jpg";
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yield "lime100x100.svg";
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yield "bad.jpg";
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yield "rillybad.jpg";
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}
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function onSizeAvailable(aRequest) {
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ok(true, "AfterLoad.onSizeAvailable called for " + gImg.src);
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}
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function onLoadComplete(aRequest) {
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ok(gExpected > gLoads, "AfterLoad.onLoadComplete called for " + gImg.src);
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gLoads++;
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// We aren't going to get a decode complete event if the metadata decoding
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// failed (i.e. for invalid.jpg). By definition we should have the size or
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// an error once we get a load complete event, so check if the size is valid
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// and if not, trigger a decode complete event manually.
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var hasSize = false;
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try {
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hasSize = aRequest.image.width > 0 && aRequest.image.height > 0;
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} catch(e) {}
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if (hasSize) {
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maybeAdvance();
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} else {
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onDecodeComplete(aRequest);
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}
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}
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function onDecodeComplete(aRequest) {
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ok(gExpected > gRemovals, "AfterLoad.onDecodeComplete called for " + gImg.src);
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SimpleTest.executeSoon(function() {
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try {
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gContent.removeChild(gImg);
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}
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catch (e) {}
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gRemovals++;
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maybeAdvance();
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});
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}
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function failTest() {
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ok(false, "timing out after " + FAILURE_TIMEOUT + "ms. " +
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"currently displaying " + gImg.src);
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cleanUpAndFinish();
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}
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function onNotification()
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{
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ok(gExpected > gNotifications, "AfterLoad.onNotification called for " + gImg.src);
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gNotifications++;
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maybeAdvance();
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}
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function maybeAdvance()
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{
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if (gNotifications != gLoads || gNotifications != gRemovals) {
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return;
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}
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let {done, value} = gFiles.next();
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if (done) {
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cleanUpAndFinish();
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return;
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}
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gImg.src = value;
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gContent.appendChild(gImg);
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}
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function cleanUpAndFinish() {
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// On the off chance that failTest and myOnStopFrame 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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// TODO - this isn't the case until post-bug 716140's refactorings
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// ok(gNotifications == gLoads, "Should be notified the same number of times as loads");
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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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gFiles = fileToLoad();
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gImg = new Image();
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gImg.onload = onNotification;
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gImg.onerror = onNotification;
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// Create, customize & attach decoder observer
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observer = new ImageDecoderObserverStub();
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observer.sizeAvailable = onSizeAvailable;
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observer.loadComplete = onLoadComplete;
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observer.decodeComplete = onDecodeComplete;
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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! myOnStopFrame handles the rest.
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gImg.setAttribute("src", gFiles.next().value);
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gContent.appendChild(gImg);
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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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