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Bug 1255997 - Account for scrollbar dimensions when testing the size of the displayport. r=botond

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MozReview-Commit-ID: 8SrIfA8xuqq
This commit is contained in:
Kartikaya Gupta 2016-03-14 14:07:16 -04:00
parent e0a0cfb614
commit 4b7ef956c7
1 changed files with 7 additions and 2 deletions
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9
gfx/layers/apz/test/mochitest/helper_bug982141.html
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@ -82,7 +82,12 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=982141
SimpleTest.is(dpFields.length, 4, "expected displayport string of form (x,y,w,h)");
var dpWidth = dpFields[2];
var dpHeight = dpFields[3];
SimpleTest.ok(dpWidth >= 50 && dpHeight >= 50,
var subframe = document.getElementById('subframe');
// The clientWidth and clientHeight may be less than 50 if there are scrollbars showing.
// In general they will be (50 - <scrollbarwidth>, 50 - <scrollbarheight>).
SimpleTest.ok(subframe.clientWidth > 0, "Expected a non-zero clientWidth, got: " + subframe.clientWidth);
SimpleTest.ok(subframe.clientHeight > 0, "Expected a non-zero clientHeight, got: " + subframe.clientHeight);
SimpleTest.ok(dpWidth >= subframe.clientWidth && dpHeight >= subframe.clientHeight,
"expected a displayport at least as large as the scrollable element, got " + childDisplayport);
window.opener.finishTest();
@ -92,7 +97,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=982141
<body style="overflow: hidden;"><!-- This combined with the user-scalable=no ensures the root frame is not scrollable -->
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=982141">Mozilla Bug 982141</a>
<!-- A scrollable subframe, with enough content to make it have a nonzero scroll range -->
<div style="height: 50px; width: 50px; overflow: scroll">
<div id="subframe" style="height: 50px; width: 50px; overflow: scroll">
<div style="width: 100px">
Wide content so that the vertical scrollbar for the parent div
doesn't eat into the 50px width and reduce the width of the