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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /layout/base/tests/test_transformed_scrolling_repaints_2.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 'layout/base/tests/test_transformed_scrolling_repaints_2.html')
| -rw-r--r-- | layout/base/tests/test_transformed_scrolling_repaints_2.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/layout/base/tests/test_transformed_scrolling_repaints_2.html b/layout/base/tests/test_transformed_scrolling_repaints_2.html new file mode 100644 index 000000000..84de2dd4d --- /dev/null +++ b/layout/base/tests/test_transformed_scrolling_repaints_2.html @@ -0,0 +1,54 @@ +<!DOCTYPE HTML> +<html> +<head> + <title>Test that scaled elements with scrolled contents don't repaint unnecessarily when we scroll inside them (1.1 scale)</title> + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <script type="text/javascript" src="/tests/SimpleTest/paint_listener.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body onload="setPrefAndStartTest()"> +<div id="t" style="-moz-transform: scale(1.1, 1.1); -moz-transform-origin:top left; width:200px; height:100px; background:yellow; overflow:hidden"> + <div style="height:40px;"></div> + <div id="e" style="height:30px; background:lime"></div> + <div style="height:300px; background:yellow"></div> +</div> +<pre id="test"> +<script type="application/javascript"> +SimpleTest.waitForExplicitFinish(); + +var t = document.getElementById("t"); +var e = document.getElementById("e"); +var utils = SpecialPowers.getDOMWindowUtils(window); + +function startTest() { + // Do a couple of scrolls to ensure we've triggered activity heuristics + waitForAllPaintsFlushed(function () { + t.scrollTop = 5; + waitForAllPaintsFlushed(function () { + t.scrollTop = 10; + waitForAllPaintsFlushed(function () { + // Clear paint state now and scroll again. + utils.checkAndClearPaintedState(e); + t.scrollTop = 20; + waitForAllPaintsFlushed(function () { + var painted = utils.checkAndClearPaintedState(e); + is(painted, false, "Fully-visible scrolled element should not have been painted"); + SimpleTest.finish(); + }); + }); + }); + }); +} +function setPrefAndStartTest() { + SpecialPowers.pushPrefEnv( + {"set": [["layers.single-tile.enabled", false]]}, + // Need a timeout here to allow paint unsuppression before we start the test + function() { + setTimeout(startTest, 0); + } + ); +} +</script> +</pre> +</body> +</html> |