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<!DOCTYPE html>
<html>
<title>CSS Flexbox: Height with overflow: auto.</title>
<link href="support/flexbox.css" rel="stylesheet">
<link rel="help" href="https://www.w3.org/TR/css-flexbox-1/#flex-direction-property">
<link rel="help" href="https://www.w3.org/TR/css-overflow-4/#classic-scrollbars">
<meta name="assert" content="This test ensures that flexbox with 'flex-direction: row|row-reverse' and a flex item child with 'overflow: auto' has the proper height."/>
<style>
.flexbox {
border: 5px solid green;
position: relative;
width: 50px;
}
.inline-flexbox {
border: 5px solid green;
position: relative;
height: 50px;
}
.overflow {
border: 1px solid red;
overflow: auto;
min-width: 0;
min-height: 0;
}
.vertical {
writing-mode: vertical-rl;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.flexbox, .inline-flexbox')">
<div id=log></div>
<div class="flexbox to-be-checked" check-height check-accounts-scrollbar>
<div class="overflow"><div style="width: 100px; height: 20px"></div></div>
</div>
<div class="flexbox row-reverse to-be-checked" check-height check-accounts-scrollbar>
<div class="overflow"><div style="width: 100px; height: 20px"></div></div>
</div>
<div class="flexbox to-be-checked" check-height check-accounts-scrollbar>
<div class="overflow align-self-baseline"><div style="width: 100px; height: 20px"></div></div>
</div>
<div class="flexbox row-reverse to-be-checked" check-height check-accounts-scrollbar>
<div class="overflow align-self-baseline"><div style="width: 100px; height: 20px"></div></div>
</div>
<div class="flexbox vertical to-be-checked" check-height>
<div class="overflow align-self-baseline"><div style="width: 100px; height: 20px"></div></div>
</div>
<div class="flexbox row-reverse vertical to-be-checked" check-height>
<div class="overflow align-self-baseline"><div style="width: 100px; height: 20px"></div></div>
</div>
<div class="inline-flexbox column vertical to-be-checked" check-width check-accounts-scrollbar>
<div class="overflow"><div style="width: 20px; height: 100px"></div></div>
</div>
<div class="inline-flexbox column-reverse vertical to-be-checked" check-width check-accounts-scrollbar>
<div class="overflow"><div style="width: 20px; height: 100px"></div></div>
</div>
<div class="inline-flexbox column vertical to-be-checked" check-width>
<div class="overflow align-self-baseline"><div style="width: 20px; height: 100px"></div></div>
</div>
<div class="inline-flexbox column-reverse vertical to-be-checked" check-width>
<div class="overflow align-self-baseline"><div style="width: 20px; height: 100px"></div></div>
</div>
<!-- This div is only for measuring scrollbar size -->
<div id="measure" style="height: 100px; width: 100px; display: inline-block; overflow: auto;">
<div style="min-height: 300px;"></div>
</div>
<script>
var measure = document.getElementById('measure');
var scrollbarSize = measure.offsetWidth - measure.clientWidth;
var nodes = document.getElementsByClassName("to-be-checked");
for (var i = 0; i < nodes.length; i++) {
var node = nodes[i];
// Here, the things contributing height are:
//
// (a) each innermost div contributes an explicit height: 20px value.
// (b) the .overflow div contributes 2px of border (1px top + bottom),
// plus the height of its scrollbar from overflow:auto.
// (c) the .flexbox div contributes 10px of border (5px top + bottom).
//
// So, the total height is 20px + 2px + 10px + scrollbarHeight,
// which simplifies to 32px + scrollbarHeight.
//
// Analogously, the same logic applies for nodes where width is tested.
var size = 32;
if (node.hasAttribute("check-height")) {
var height = node.hasAttribute("check-accounts-scrollbar") ? scrollbarSize : 0;
node.setAttribute("data-expected-height", size + height);
} else {
var width = node.hasAttribute("check-accounts-scrollbar") ? scrollbarSize : 0;
node.setAttribute("data-expected-width", size + width);
}
}
</script>
</body>
</html>
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