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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /image/test/mochitest/test_bug399925.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'image/test/mochitest/test_bug399925.html')
| -rw-r--r-- | image/test/mochitest/test_bug399925.html | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/image/test/mochitest/test_bug399925.html b/image/test/mochitest/test_bug399925.html new file mode 100644 index 000000000..1d9bdb14c --- /dev/null +++ b/image/test/mochitest/test_bug399925.html @@ -0,0 +1,105 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=399925 +--> +<head> + <title>Test for Bug 399925</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/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=399925">Mozilla Bug 399925</a> +<p id="display"></p> +<div id="content" style="display: none"> +<canvas id="canvas" width="100" height="100"> </canvas> +</div> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +/** Test for Bug 399925. **/ +var triggerDiscardingManually = false; +var pngResults = new Array(); +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestFlakyTimeout("untriaged"); + +window.onload = function() { + // It'd be nice to reduce the discard timer here, but unfortunately we only + // read that pref on startup. We instead manually trigger discarding on + // platforms where the discard timer is too long (which we'll somewhat + // arbitrarily define as 'longer than 60 seconds'). + var expirationMs = + SpecialPowers.getIntPref('image.mem.surfacecache.min_expiration_ms'); + if (expirationMs > 60000) { + ok(true, 'Triggering discarding manually because SurfaceCache expiration ' + + 'is ' + expirationMs + ' ms'); + triggerDiscardingManually = true; + } else { + ok(true, 'Using normal discarding because SurfaceCache expiration ' + + 'is ' + expirationMs + ' ms'); + } + + // Enable discarding for the test. + SpecialPowers.pushPrefEnv({ + 'set':[['image.mem.discardable',true]] + }, runTest); +} + +function runTest() { + var image = new Image(); + image.setAttribute("id", "gif"); + + // 1. Draw the canvas once on loadComplete + // 2. Redraw the canvas and compare the results right on discard + addCallbacks(image, drawCanvas, function() { + drawCanvas(); + is(pngResults[0], pngResults[1], "got different rendered results"); + SimpleTest.finish(); + }); + + image.src = "bug399925.gif"; + document.getElementById("content").appendChild(image); + + if (triggerDiscardingManually) { + var request = SpecialPowers.wrap(image) + .QueryInterface(SpecialPowers.Ci.nsIImageLoadingContent) + .getRequest(SpecialPowers.Ci.nsIImageLoadingContent.CURRENT_REQUEST); + setTimeout(() => request.requestDiscard(), 1000); + } +} + +function addCallbacks(anImage, loadCompleteCallback, discardCallback) { + var observer = new ImageDecoderObserverStub(); + observer.discard = function () { + imgLoadingContent.removeObserver(scriptedObserver); + discardCallback(); + } + observer.loadComplete = loadCompleteCallback; + observer = SpecialPowers.wrapCallbackObject(observer); + + var scriptedObserver = SpecialPowers.Cc["@mozilla.org/image/tools;1"] + .getService(SpecialPowers.Ci.imgITools) + .createScriptedObserver(observer); + + var imgLoadingContent = + SpecialPowers.wrap(anImage) + .QueryInterface(SpecialPowers.Ci.nsIImageLoadingContent); + imgLoadingContent.addObserver(scriptedObserver); +} + +function drawCanvas() { + var canvas = document.getElementById('canvas'); + var context = canvas.getContext('2d'); + var gif = document.getElementById('gif'); + + context.drawImage(gif, 0, 0); + ok(true, "we got through the drawImage call without an exception being thrown"); + pngResults.push(canvas.toDataURL()); +} + +</script> +</pre> +</body> +</html> + |