116 lines
5.1 KiB
HTML
116 lines
5.1 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="text/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
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</head>
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<!-- Need a timeout here to allow paint unsuppression before we start the test -->
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<body onload="setTimeout(startTest,0)" style="background:white;">
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<iframe id="t" style="-moz-transform: scale(0.48979); -moz-transform-origin:top left; width:500px; height:600px;"
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src="data:text/html,
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<body style='background:yellow;'>
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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<p id='e'>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
|
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
|
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person I've ever had the joy of dealing with. That doesn't change that
|
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there are some real dicks out there, and some of them happen to be
|
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scientists.
|
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<p>My graduate adviser was the most patient, understanding, and helpful
|
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person I've ever had the joy of dealing with. That doesn't change that
|
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there are some real dicks out there, and some of them happen to be
|
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scientists.
|
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<p>My graduate adviser was the most patient, understanding, and helpful
|
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person I've ever had the joy of dealing with. That doesn't change that
|
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there are some real dicks out there, and some of them happen to be
|
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scientists.
|
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<p>My graduate adviser was the most patient, understanding, and helpful
|
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person I've ever had the joy of dealing with. That doesn't change that
|
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there are some real dicks out there, and some of them happen to be
|
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scientists.
|
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<p>My graduate adviser was the most patient, understanding, and helpful
|
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person I've ever had the joy of dealing with. That doesn't change that
|
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there are some real dicks out there, and some of them happen to be
|
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
|
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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<p>My graduate adviser was the most patient, understanding, and helpful
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person I've ever had the joy of dealing with. That doesn't change that
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there are some real dicks out there, and some of them happen to be
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scientists.
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</body>"></iframe>
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<pre id="test">
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<script type="application/javascript">
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var SimpleTest = window.opener.SimpleTest;
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var SpecialPowers = window.opener.SpecialPowers;
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var is = window.opener.is;
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var t, e, utils, iterations;
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var smoothScrollPref = "general.smoothScroll";
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function startTest() {
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SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false]]}, runTest);
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}
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function runTest() {
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t = document.getElementById("t");
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e = t.contentDocument.getElementById("e");
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t.contentWindow.scrollTo(0,0);
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utils = SpecialPowers.getDOMWindowUtils(window);
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iterations = 0;
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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.contentWindow.scrollByLines(1);
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waitForAllPaintsFlushed(function () {
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t.contentWindow.scrollByLines(1);
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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.contentWindow.scrollByLines(1);
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waitForAllPaintsFlushed(nextIteration);
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});
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});
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});
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}
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function nextIteration() {
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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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if (++iterations == 10) {
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SimpleTest.finish();
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window.close();
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} else {
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t.contentWindow.scrollByLines(1);
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waitForAllPaintsFlushed(nextIteration);
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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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