зеркало из https://github.com/mozilla/gecko-dev.git
83 строки
2.6 KiB
HTML
83 строки
2.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test bug 784410</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
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<script 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>
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<p id="display"></p>
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<div id="outer" style="overflow:auto; height:200px; border:2px dotted black; transform: translateY(1px)" onscroll="doneScroll()">
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<div id="d" style="overflow:auto; height:102px;" onscroll="doneScroll()">
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<div id="inner" style="height:100.1px; border:1px solid black; background:yellow;">Hello</div>
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</div>
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<div style="height:500px;"></div>
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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var sel = window.getSelection();
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var outer = document.getElementById("outer");
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var d = document.getElementById("d");
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var inner = document.getElementById("inner");
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var smoothScrollPref = "general.smoothScroll";
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function innerScrollOffset() {
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return inner.getBoundingClientRect().top - d.getBoundingClientRect().top;
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}
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var innerStartScrollOffset = innerScrollOffset();
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var step = 0;
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var wheelAndPaintDone = false;
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function doneScroll() {
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++step;
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switch (step) {
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case 1:
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is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
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ok(outer.scrollTop > 0, "Outer element should have scrolled down");
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outer.scrollTop = 0;
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break;
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case 2:
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// Wait for paints to flush, so APZ is notified of the new scroll offset.
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sendWheelAndPaint(inner, 4, 4,
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{ deltaMode: WheelEvent.DOM_DELTA_LINE, deltaY: 1 },
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function() {
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wheelAndPaintDone = true;
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doneTest();
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});
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break;
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case 3:
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is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
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ok(outer.scrollTop > 0, "Outer element should have scrolled down");
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doneTest();
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break;
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}
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}
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function doneTest() {
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// wait until wheelAndPaintDone has invoked its callback before we end the
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// test, otherwise we might get calls to advanceTimeAndRefresh after we
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// restore normal refresh, and that will screw up the next test.
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if (wheelAndPaintDone && step == 3) {
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SpecialPowers.DOMWindowUtils.restoreNormalRefresh();
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SimpleTest.finish();
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}
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}
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function test() {
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sel.collapse(inner.firstChild, 2);
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synthesizeKey("KEY_PageDown");
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}
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SimpleTest.waitForExplicitFinish();
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SimpleTest.waitForFocus(function() {
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SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false]]}, test);
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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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