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83 lines
3.5 KiB
HTML
83 lines
3.5 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1151663
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 1151663, helper page</title>
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<script type="application/javascript" src="apz_test_utils.js"></script>
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<script type="application/javascript">
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// -------------------------------------------------------------------
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// Infrastructure to get the test assertions to run at the right time.
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// -------------------------------------------------------------------
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var SimpleTest = window.opener.SimpleTest;
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window.onload = function() {
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window.addEventListener("MozAfterPaint", afterPaint, false);
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};
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var utils = SpecialPowers.getDOMWindowUtils(window);
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function afterPaint(e) {
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// If there is another paint pending, wait for it.
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if (utils.isMozAfterPaintPending) {
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return;
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}
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// Once there are no more paints pending, remove the
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// MozAfterPaint listener and run the test logic.
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window.removeEventListener("MozAfterPaint", afterPaint, false);
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testBug1151663();
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}
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// --------------------------------------------------------------------
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// The actual logic for testing bug 1151663.
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//
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// In this test we have a simple page which is scrollable, with a
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// scrollable <div> which is also scrollable. We test that the
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// <div> does not get an initial APZC, since primary scrollable
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// frame is the page's root scroll frame.
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// --------------------------------------------------------------------
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function testBug1151663() {
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// Get the content- and compositor-side test data from nsIDOMWindowUtils.
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var contentTestData = utils.getContentAPZTestData();
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var compositorTestData = utils.getCompositorAPZTestData();
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// Get the sequence number of the last paint on the compositor side.
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// We do this before converting the APZ test data because the conversion
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// loses the order of the paints.
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SimpleTest.ok(compositorTestData.paints.length > 0,
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"expected at least one paint in compositor test data");
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var lastCompositorPaint = compositorTestData.paints[compositorTestData.paints.length - 1];
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var lastCompositorPaintSeqNo = lastCompositorPaint.sequenceNumber;
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// Convert the test data into a representation that's easier to navigate.
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contentTestData = convertTestData(contentTestData);
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compositorTestData = convertTestData(compositorTestData);
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var paint = compositorTestData.paints[lastCompositorPaintSeqNo];
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// Reconstruct the APZC tree structure in the last paint.
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var apzcTree = buildApzcTree(paint);
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// The apzc tree for this page should consist of a single root APZC,
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// which either is the RCD with no child APZCs (e10s/B2G case) or has a
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// single child APZC which is for the RCD (fennec case).
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var rcd = findRcdNode(apzcTree);
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SimpleTest.ok(rcd != null, "found the RCD node");
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SimpleTest.is(rcd.children.length, 0, "expected no children on the RCD");
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window.opener.finishTest();
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}
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</script>
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</head>
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<body style="height: 500px; overflow: scroll">
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1151663">Mozilla Bug 1151663</a>
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<div style="height: 50px; width: 50px; overflow: scroll">
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<!-- Put enough content into the subframe to make it have a nonzero scroll range -->
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<div style="height: 100px; width: 50px"></div>
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</div>
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<!-- Put enough content into the page to make it have a nonzero scroll range -->
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<div style="height: 1000px"></div>
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</body>
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</html>
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