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95 lines
2.5 KiB
HTML
95 lines
2.5 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=878577
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-->
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<head>
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<title>Test for Bug 878577 - Hard limit of decoded image buffer size</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.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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<!--
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Initial setup: The default size limit is 65M
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Step 1: Load 6M-pixels.png ok
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Step 2: Load 12M-pixels-1.png fail
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Step 3: Remove 6M-pixels.png and clear the decoded image
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Step 4: Load 12M-pixels-2.png ok
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-->
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<script>
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SimpleTest.waitForExplicitFinish();
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function loadImage(url) {
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info('loading ' + url);
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var image = new Image(50,50);
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image.src = url;
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document.body.appendChild(image);
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return image;
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}
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function fail(msg) {
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return function() {
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ok(false, msg);
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SimpleTest.finish();
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};
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}
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function runTest() {
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// provide a clean setup
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clearImageCache();
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var img_6M = loadImage('6M-pixels.png');
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img_6M.onerror = fail('unable to load 6M-pixels.png');
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img_6M.onload = function() {
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ok(true, 'expect success on loading a 6M-pixel image');
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var img_12M = loadImage('12M-pixels-1.png');
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img_12M.onload = fail('should fail to load due to image buffer size limit');
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img_12M.onerror = function() {
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ok(true, 'expect fail on loading a 12M-pixel image');
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// remove image cache
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info('discard decoded image buffer');
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img_6M.onerror = null;
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img_6M.src = null;
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img_12M.onerror = null;
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img_12M.src = null;
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document.body.removeChild(img_6M);
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document.body.removeChild(img_12M);
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clearImageCache();
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// Spin the event to give the image a chance to be discarded.
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SimpleTest.executeSoon(function() {
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var another_img_12M = loadImage('12M-pixels-2.png');
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another_img_12M.onerror = fail('unable to load 12M-pixels-2.png');
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another_img_12M.onload = function() {
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ok(true, 'expect success on loading another 12M-pixel image');
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another_img_12M.onerror = null;
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another_img_12M.onload = null;
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SimpleTest.finish();
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}; // another_img_12M.onload
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});
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}; // img_12M.onerror
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}; // img_6M.onload
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}
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window.addEventListener("load", function() {
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SpecialPowers.pushPrefEnv({
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"set": [
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// XXX prevent displayed imgFrame been released
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["image.mem.allow_locking_in_content_processes", true]
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]
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}, runTest);
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});
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</script>
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</body>
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</html>
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