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2e917fb8fa
Make the test_transformed_scrolling_repaints* tests taller so that the top and the bottom of the scrolled area don't share the same tile. Fuzz layout/reftests/text/wordwrap-03.html on Linux because the native textbox gradient is painted in a slightly different position depending on the invalid area. Mark layout/reftests/forms/select/out-of-bounds-selectedindex.html as fuzzy on Android because some listbox rounded corner pixel differs with the new invalidation behavior. Mark layout/reftests/bugs/456219-1c.html as fuzzy on Linux, reasons unknown. :-( Disable flexbox-widget-flex-items-3.html because of bad file input drawing on Linux, see bug 1260965. MozReview-Commit-ID: B5c1a8D0G8F --HG-- extra : rebase_source : 3e281d035831c77246d0e439246fdab9395dc884
55 lines
1.9 KiB
HTML
55 lines
1.9 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test that scaled elements with scrolled contents don't repaint unnecessarily when we scroll inside them</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body onload="setPrefAndStartTest()">
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<div id="t" style="-moz-transform: scale(1.2, 1.2); -moz-transform-origin:top left; width:200px; height:500px; background:yellow; overflow:auto">
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<div style="height:40px;">Hello</div>
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<div id="e" style="height:30px; background:lime">Kitty</div>
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<div style="height:800px; background:yellow">Kitty</div>
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</div>
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<pre id="test">
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<script type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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var t = document.getElementById("t");
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var e = document.getElementById("e");
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var utils = SpecialPowers.getDOMWindowUtils(window);
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function startTest() {
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// Do a couple of scrolls to ensure we've triggered activity heuristics.
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waitForAllPaintsFlushed(function () {
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t.scrollTop = 5;
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waitForAllPaintsFlushed(function () {
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t.scrollTop = 10;
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waitForAllPaintsFlushed(function () {
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// Clear paint state now and scroll again.
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utils.checkAndClearPaintedState(e);
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t.scrollTop = 15;
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waitForAllPaintsFlushed(function () {
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var painted = utils.checkAndClearPaintedState(e);
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is(painted, false, "Fully-visible scrolled element should not have been painted");
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SimpleTest.finish();
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});
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});
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});
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});
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}
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function setPrefAndStartTest() {
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SpecialPowers.pushPrefEnv(
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{"set": [["layers.single-tile.enabled", false]]},
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// Need a timeout here to allow paint unsuppression before we start the test
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function() {
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setTimeout(startTest, 0);
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}
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);
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}
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</script>
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</pre>
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</body>
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</html>
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