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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /image/test/mochitest/test_has_transparency.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'image/test/mochitest/test_has_transparency.html')
| -rw-r--r-- | image/test/mochitest/test_has_transparency.html | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/image/test/mochitest/test_has_transparency.html b/image/test/mochitest/test_has_transparency.html new file mode 100644 index 0000000000..482aaf96b9 --- /dev/null +++ b/image/test/mochitest/test_has_transparency.html @@ -0,0 +1,169 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1089880 +--> +<head> + <title>Test for Bug 1089880</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <script 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=1089880">Mozilla Bug 1089880</a> +<p id="display"></p> +<div id="content"> +</div> +<pre id="test"> +<script type="application/javascript"> +/** Test for Bug 1089880 **/ + +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 gCanvas; +var gCanvasCtx; +var gImg; +var gMyDecoderObserver; +var gIsTestFinished = false; +var gFiles; +var gCurrentFileIsTransparent = false; +var gHasTransparencyWasCalled = false; + +function* testFiles() { + // [A, B] where 'A' is the image and 'B' is whether it's transparent. + + // PNGs and GIFs may be transparent or not. + yield ["red.png", false]; + yield ["transparent.png", true]; + yield ["animated-gif-finalframe.gif", false]; + yield ["transparent.gif", true]; + + // GIFs with padding on the first frame are always transparent. + yield ["first-frame-padding.gif", true]; + + // JPEGs are never transparent. + yield ["damon.jpg", false]; + + // Most BMPs are not transparent. (The TestMetadata GTest, which will + // eventually replace this test totally, has coverage for the kinds that can be + // transparent.) + yield ["opaque.bmp", false]; + + // ICO files which contain BMPs have an additional type of transparency - the + // AND mask - that warrants separate testing. (Although, after bug 1201796, + // all ICOs are considered transparent.) + yield ["ico-bmp-opaque.ico", true]; + yield ["ico-bmp-transparent.ico", true]; + + // SVGs are always transparent. + yield ["lime100x100.svg", true]; +} + +function loadNext() { + var currentFile = ""; + gHasTransparencyWasCalled = false; + let {done, value} = gFiles.next(); + if (done) { + // We ran out of test files. + cleanUpAndFinish(); + return; + } + [currentFile, gCurrentFileIsTransparent] = value; + gImg.setAttribute("src", currentFile); +} + +function onHasTransparency(aRequest) { + gHasTransparencyWasCalled = true; +} + +function onDecodeComplete(aRequest) { + if (!gCurrentFileIsTransparent) { + ok(!gHasTransparencyWasCalled, + "onHasTransparency was not called for non-transparent file " + gImg.src); + } else { + ok(gHasTransparencyWasCalled, + "onHasTransparency was called for transparent file " + gImg.src); + } + loadNext(); +} + +function onError() { + if (gIsTestFinished) { + return; + } + ok(false, "Should successfully load " + gImg.src); + loadNext(); +} + +function onLoad() { + if (gIsTestFinished) { + return; + } + ok(true, "Should successfully load " + gImg.src); + + // Force decoding of the image. + SimpleTest.executeSoon(function() { + gCanvasCtx.drawImage(gImg, 0, 0); + }); +} + +function failTest() { + ok(false, "timing out after " + FAILURE_TIMEOUT + "ms. " + + "currently displaying " + gImg.src); + cleanUpAndFinish(); +} + +function cleanUpAndFinish() { + if (gIsTestFinished) { + return; + } + gIsTestFinished = true; + let imgLoadingContent = SpecialPowers.wrap(gImg); + imgLoadingContent.removeObserver(gMyDecoderObserver); + SimpleTest.finish(); +} + +function main() { + gFiles = testFiles(); + gCanvas = document.createElement('canvas'); + gCanvasCtx = gCanvas.getContext('2d'); + gImg = new Image(); + gImg.onload = onLoad; + gImg.onerror = onError; + + // Create, customize & attach decoder observer. + var observer = new ImageDecoderObserverStub(); + observer.hasTransparency = onHasTransparency; + observer.decodeComplete = onDecodeComplete; + gMyDecoderObserver = + Cc["@mozilla.org/image/tools;1"].getService(Ci.imgITools) + .createScriptedObserver(SpecialPowers.wrapCallbackObject(observer)); + let imgLoadingContent = SpecialPowers.wrap(gImg); + 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(); + + // Load the first image. + loadNext(); + + // 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> |