1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/image/test/mochitest/test_image_buffer_limit.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,94 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=878577
1.8 +-->
1.9 +<head>
1.10 + <title>Test for Bug 878577 - Hard limit of decoded image buffer size</title>
1.11 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.12 + <script type="application/javascript" src="imgutils.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.14 +</head>
1.15 +
1.16 +<body>
1.17 +
1.18 +<!--
1.19 + Initial setup: The default size limit is 65M
1.20 + Step 1: Load 6M-pixels.png ok
1.21 + Step 2: Load 12M-pixels-1.png fail
1.22 + Step 3: Remove 6M-pixels.png and clear the decoded image
1.23 + Step 4: Load 12M-pixels-2.png ok
1.24 +-->
1.25 +
1.26 +<script>
1.27 +
1.28 +SimpleTest.waitForExplicitFinish();
1.29 +
1.30 +function loadImage(url) {
1.31 + info('loading ' + url);
1.32 + var image = new Image(50,50);
1.33 + image.src = url;
1.34 + document.body.appendChild(image);
1.35 + return image;
1.36 +}
1.37 +
1.38 +function fail(msg) {
1.39 + return function() {
1.40 + ok(false, msg);
1.41 + SimpleTest.finish();
1.42 + };
1.43 +}
1.44 +
1.45 +function runTest() {
1.46 + // provide a clean setup
1.47 + clearImageCache();
1.48 +
1.49 + var img_6M = loadImage('6M-pixels.png');
1.50 + img_6M.onerror = fail('unable to load 6M-pixels.png');
1.51 + img_6M.onload = function() {
1.52 + ok(true, 'expect success on loading a 6M-pixel image');
1.53 +
1.54 + var img_12M = loadImage('12M-pixels-1.png');
1.55 + img_12M.onload = fail('should fail to load due to image buffer size limit');
1.56 + img_12M.onerror = function() {
1.57 + ok(true, 'expect fail on loading a 12M-pixel image');
1.58 +
1.59 + // remove image cache
1.60 + info('discard decoded image buffer');
1.61 + img_6M.onerror = null;
1.62 + img_6M.src = null;
1.63 + img_12M.onerror = null;
1.64 + img_12M.src = null;
1.65 + document.body.removeChild(img_6M);
1.66 + document.body.removeChild(img_12M);
1.67 + clearImageCache();
1.68 +
1.69 + // Spin the event to give the image a chance to be discarded.
1.70 + SimpleTest.executeSoon(function() {
1.71 + var another_img_12M = loadImage('12M-pixels-2.png');
1.72 + another_img_12M.onerror = fail('unable to load 12M-pixels-2.png');
1.73 + another_img_12M.onload = function() {
1.74 + ok(true, 'expect success on loading another 12M-pixel image');
1.75 + another_img_12M.onerror = null;
1.76 + another_img_12M.onload = null;
1.77 + SimpleTest.finish();
1.78 + }; // another_img_12M.onload
1.79 + });
1.80 +
1.81 + }; // img_12M.onerror
1.82 + }; // img_6M.onload
1.83 +}
1.84 +
1.85 +window.addEventListener("load", function() {
1.86 + SpecialPowers.pushPrefEnv({
1.87 + "set": [
1.88 + // XXX prevent displayed imgFrame been released
1.89 + ["image.mem.allow_locking_in_content_processes", true]
1.90 + ]
1.91 + }, runTest);
1.92 +});
1.93 +
1.94 +</script>
1.95 +</body>
1.96 +</html>
1.97 +
