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<!DOCTYPE html>
<title>CSS Conditional Test: @container anchored(fallback) matching <custom-ident></title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-2/#anchored-container-queries">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/css-conditional/container-queries/support/cq-testcommon.js"></script>
<style>
#anchor {
anchor-name: --a;
width: 100px;
height: 100px;
}
@position-try --foo {
position-area: bottom;
}
@position-try --bar {
position-area: top;
}
.anchored {
position: absolute;
position-anchor: --a;
position-area: top;
width: 100px;
/* Too tall to fit over the anchor to trigger fallback */
height: 100px;
container-type: anchored;
}
#a1 {
position-try-fallbacks: --foo;
}
#t1 {
@container anchored(fallback: --foo) { --pass: yes; }
}
#a2 {
position-try-fallbacks: --bar, --bar flip-block;
}
#t2 {
@container anchored(fallback: --bar flip-block) { --pass: yes; }
@container anchored(fallback: --bar) { --pass: no; }
}
</style>
<div id="anchor"></div>
<div id="a1" class="anchored">
<div id="t1"></div>
</div>
<div id="a2" class="anchored">
<div id="t2"></div>
</div>
<script>
test(() => {
assert_equals(getComputedStyle(t1).getPropertyValue("--pass"), "yes");
}, "@container anchored(fallback) matching name");
test(() => {
assert_equals(getComputedStyle(t2).getPropertyValue("--pass"), "yes");
}, "@container anchored(fallback) matching name with tactics, but not name");
</script>
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