<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=841579 --> <head> <title>Test for Bug 841579</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.js"></script> <script type="application/javascript" src="imgutils.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=841579">Mozilla Bug 841579</a> <p id="display"></p> <div id="content"> </div> <pre id="test"> <script type="application/javascript;version=1.8"> /** Test for Bug 841579**/ SimpleTest.requestFlakyTimeout("Early failure timeout"); SimpleTest.waitForExplicitFinish(); const FAILURE_TIMEOUT = 120000; // Fail early after 120 seconds (2 minutes) const Cc = SpecialPowers.Cc; const Ci = SpecialPowers.Ci; const gContent = document.getElementById("content"); var gImg; var gMyDecoderObserver; var gIsTestFinished = false; var gFiles; var gNotifications = 0; var gLoads = 0; function fileToLoad() { yield "red.png"; yield "invalid.jpg"; yield "lime100x100.svg"; yield "bad.jpg"; yield "rillybad.jpg"; } function onSizeAvailable(aRequest) { ok(true, "AfterLoad.onSizeAvailable called for " + gImg.src); } function onLoadComplete(aRequest) { ok(true, "AfterLoad.onLoadComplete called for " + gImg.src); gLoads++; } function onDecodeComplete(aRequest) { ok(true, "AfterLoad.onDecodeComplete called for " + gImg.src); SimpleTest.executeSoon(function() { try { gContent.removeChild(gImg); } catch (e) {} }); } function failTest() { ok(false, "timing out after " + FAILURE_TIMEOUT + "ms. " + "currently displaying " + gImg.src); cleanUpAndFinish(); } function onNotification() { gNotifications++; try { gImg.src = gFiles.next(); gContent.appendChild(gImg); } catch(e) { cleanUpAndFinish(); } } function cleanUpAndFinish() { // On the off chance that failTest and myOnStopFrame are triggered // back-to-back, use a flag to prevent multiple calls to SimpleTest.finish. if (gIsTestFinished) { return; } let imgLoadingContent = SpecialPowers.wrap(gImg).QueryInterface(Ci.nsIImageLoadingContent); imgLoadingContent.removeObserver(gMyDecoderObserver); // TODO - this isn't the case until post-bug 716140's refactorings // ok(gNotifications == gLoads, "Should be notified the same number of times as loads"); SimpleTest.finish(); gIsTestFinished = true; } function main() { gFiles = fileToLoad(); gImg = new Image(); gImg.onload = onNotification; gImg.onerror = onNotification; // Create, customize & attach decoder observer observer = new ImageDecoderObserverStub(); observer.sizeAvailable = onSizeAvailable; observer.loadComplete = onLoadComplete; observer.decodeComplete = onDecodeComplete; gMyDecoderObserver = Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools) .createScriptedObserver(SpecialPowers.wrapCallbackObject(observer)); let imgLoadingContent = SpecialPowers.wrap(gImg).QueryInterface(Ci.nsIImageLoadingContent); imgLoadingContent.addObserver(gMyDecoderObserver); // We want to test the cold loading behavior, so clear cache in case an // earlier test got our image in there already. clearAllImageCaches(); // kick off image-loading! myOnStopFrame handles the rest. gImg.setAttribute("src", gFiles.next()); // In case something goes wrong, fail earlier than mochitest timeout, // and with more information. setTimeout(failTest, FAILURE_TIMEOUT); } window.onload = main; </script> </pre> </body> </html>