Source code
Revision control
Copy as Markdown
Other Tools
Test Info: Warnings
- This test has a WPT meta file that expects 4 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-sizing/stretch/block-height-005.tentative.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<link rel="help"
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<script src="/resources/check-layout-th.js"></script>
<meta name="assert"
content="preceding floats don't prevent margin adjoiningness for stretch sizing purposes">
<style>
.outer {
width: 100px;
height: 100px;
outline: solid;
position: relative;
}
.float {
float: left;
width: 30px;
height: 30px;
background: skyblue;
}
p {
margin-top: 20px;
margin-bottom: 0px;
}
</style>
<p>This test asserts the behavior seemingly agreed upon through
is unlikely to be the final specified behavior, hence the test is marked
tentative.</p>
<p>New BFC fits next to float, so top margins will collapse, so we want the
stretched height to match .outer's height.</p>
<div class="outer">
<div class="float"></div>
<div
style="height: stretch; width: 30px; margin-top: 50px; display: flow-root; border: solid magenta;"
data-expected-height="100" data-offset-y="0">
</div>
</div>
<p>New BFC does not fit next to float, so margins DON'T collapse, but for
simplicity we still ignore margins when stretch sizing</p>
<div class="outer">
<div class="float"></div>
<div
style="height: stretch; width: 90px; margin-top: 50px; display: flow-root; border: solid cyan;"
data-expected-height="100" data-offset-y="30">
</div>
</div>
<p>In-flow child overlaps the float, so margins DO collapse, so we want the
stretched height to match .outer's height.</p>
<div class="outer">
<div class="float"></div>
<div
style="height: stretch; width: 90px; margin-top: 50px; border: solid green;"
data-expected-height="100" data-offset-y="0">
</div>
</div>
<p>In-flow child clears the float, so margins DON'T collapse, but for
simplicity we still ignore margins when stretch sizing</p>
<div class="outer">
<div class="float"></div>
<div
style="height: stretch; width: 90px; clear: both; margin-top: 50px; border: solid orange;"
data-expected-height="100" data-offset-y="30">
</div>
</div>
<script>checkLayout(".float + div")</script>