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<!DOCTYPE html>
<title>Tests that anchor functions can be inherited from in-flow elements</title>
<link rel="help" href="https://drafts4.csswg.org/css-anchor-position-1/">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1382151">
<link rel="author" href="mailto:xiaochengh@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script src="support/test-common.js"></script>
<style>
.cb {
width: 200px;
height: 200px;
transform: scale(1);
}
.anchor {
width: 100px;
height: 100px;
top: 50px;
left: 50px;
position: relative;
background: red;
anchor-name: --a;
}
.target {
position: absolute;
background: green;
top: inherit;
bottom: inherit;
left: inherit;
right: inherit;
width: inherit;
min-width: inherit;
max-width: inherit;
height: inherit;
min-height: inherit;
max-height: inherit;
}
.inset-parent {
top: anchor(--a top);
bottom: anchor(--a bottom);
left: anchor(--a left);
right: anchor(--a right);
}
.size-parent {
width: anchor-size(--a width);
height: anchor-size(--a height);
top: 50px;
left: 50px;
}
.min-size-parent {
min-width: anchor-size(--a width);
min-height: anchor-size(--a height);
top: 50px;
left: 50px;
bottom: 200px;
right: 200px;
}
.max-size-parent {
max-width: anchor-size(--a width);
max-height: anchor-size(--a height);
top: 50px;
left: 50px;
bottom: 0px;
right: 0px;
}
</style>
<body onload="checkLayoutForAnchorPos('.target')">
<p>In each test case, we should see a filled green square with no red.</p>
<div class=cb>
<div class="anchor"></div>
<div class="inset-parent">
<div class="target"
data-offset-x=50 data-offset-y=50
data-expected-width=100 data-expected-height=100></div>
</div>
</div>
<div class=cb>
<div class="anchor"></div>
<div class="size-parent">
<div class="target"
data-offset-x=50 data-offset-y=50
data-expected-width=100 data-expected-height=100></div>
</div>
</div>
<div class=cb>
<div class="anchor"></div>
<div class="min-size-parent">
<div class="target"
data-offset-x=50 data-offset-y=50
data-expected-width=100 data-expected-height=100></div>
</div>
</div>
<div class=cb>
<div class="anchor"></div>
<div class="max-size-parent">
<div class="target"
data-offset-x=50 data-offset-y=50
data-expected-width=100 data-expected-height=100></div>
</div>
</div>
</body>
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