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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 14:29:10 +0000 |
| commit | 2aa4a82499d4becd2284cdb482213d541b8804dd (patch) | |
| tree | b80bf8bf13c3766139fbacc530efd0dd9d54394c /layout/base/tests/test_bug629838.html | |
| parent | Initial commit. (diff) | |
| download | firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.tar.xz firefox-2aa4a82499d4becd2284cdb482213d541b8804dd.zip | |
Adding upstream version 86.0.1.upstream/86.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/base/tests/test_bug629838.html')
| -rw-r--r-- | layout/base/tests/test_bug629838.html | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/layout/base/tests/test_bug629838.html b/layout/base/tests/test_bug629838.html new file mode 100644 index 0000000000..94c60a9557 --- /dev/null +++ b/layout/base/tests/test_bug629838.html @@ -0,0 +1,87 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Tests for MozAfterPaint</title> + <script src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<p id="display"> +<div width="100" height="100" id="p" style="background-color: rgb(0,0,0)"/> +</p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script class="testbody" type="text/javascript"> + +SimpleTest.waitForExplicitFinish(); +SimpleTest.requestFlakyTimeout("untriaged"); + +var initialPaintCount, afterPaintCount; +var color = 0; + +function onAfterPaint () { + afterPaintCount += 1; +} + +function startTest() { + setTimeout(function () { + afterPaintCount = 0; + initialPaintCount = SpecialPowers.DOMWindowUtils.paintCount; + window.addEventListener("MozAfterPaint", onAfterPaint, true); + doBackgroundFlicker(); + }, 500); +} + +document.addEventListener("DOMContentLoaded", startTest, true); + +// Unfortunately we cannot reliably assert that mozPaintCount and afterPaintCount increment perfectly +// in sync, because they can diverge in the presence of OS-triggered paints or system load. +// Instead, wait for a minimum number of afterPaint events to at least ensure that they are being fired. +const minimumAfterPaintsToPass = 10; + +function doElementFlicker() { + ok(true, "Element color iteration " + color + + ", afterpaint count: " + afterPaintCount + + ", mozpaint count: " + SpecialPowers.DOMWindowUtils.paintCount); + if (afterPaintCount >= minimumAfterPaintsToPass) { + ok(true, "afterPaintCount incremented enough from color changes."); + SimpleTest.finish(); + return; + } + + color = (color + 1) % 256; + document.getElementById("p").style.backgroundColor = "rgb(" + color + "," + color + "," + color + ")"; + setTimeout(doElementFlicker, 0); +} + +function doBackgroundFlicker() { + ok(true, "Background color iteration " + color + + ", afterpaint count: " + afterPaintCount + + ", mozpaint count: " + SpecialPowers.DOMWindowUtils.paintCount); + if (afterPaintCount >= minimumAfterPaintsToPass) { + ok(true, "afterPaintCount incremented enough from background color changes."); + afterPaintCount = 0; + initialPaintCount = SpecialPowers.DOMWindowUtils.paintCount; + doElementFlicker(); + return; + } + + color = (color + 1) % 256; + document.body.style.backgroundColor = "rgb(" + color + "," + color + "," + color + ")"; + setTimeout(doBackgroundFlicker, 0); +} + +</script> +</pre> + +<div style="height:4000px"></div> +<a id="first" href="http://www.mozilla.org/">first<br>link</a> +<a id="second" href="http://www.mozilla.org/">second link</a> +<a id="third" href="http://www.mozilla.org/">third<br>link</a> +<div style="height:4000px"></div> + +</body> +</html> + |