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Test Info: Warnings
- This test has a WPT meta file that expects 2 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-anchor-position/container-queries/anchored-fallback-position-area-wm.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>CSS Conditional Test: @container anchored(fallback) matching <position-area> - orthogonal writing modes</title>
<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>
#abs-container {
writing-mode: vertical-lr;
position: absolute;
width: 400px;
height: 400px;
}
#anchor {
direction: rtl;
anchor-name: --a;
width: 100px;
height: 100px;
}
.anchored {
container-type: anchored;
position: absolute;
writing-mode: horizontal-tb;
direction: rtl;
position-anchor: --a;
position-area: left;
/* Does not fit left of the anchor, triggers fallback */
width: 100px;
height: 100px;
}
#a1 { position-try-fallbacks: self-block-end self-inline-start; }
#a2 { position-try-fallbacks: block-end inline-end; }
#t1, #t2 {
/* Logical values are resolved against anchored / anchor container elements. */
@container anchored(fallback: bottom right) { --physical: yes; }
@container anchored(fallback: self-inline-start self-block-end) { --anchor: yes; }
@container anchored(fallback: inline-end block-end) { --abs-container: yes; }
}
</style>
<div id="abs-container">
<div id="anchor"></div>
<div id="a1" class="anchored">
<div id="t1"></div>
</div>
<div id="a2" class="anchored">
<div id="t2"></div>
</div>
</div>
<script>
test(() => {
const t1_style = getComputedStyle(t1);
assert_equals(t1_style.getPropertyValue("--physical"), "yes", "queried physical position-area");
assert_equals(t1_style.getPropertyValue("--anchor"), "yes", "queried logical self position-area");
assert_equals(t1_style.getPropertyValue("--abs-container"), "yes", "queried logical container position-area");
}, "@container anchored(fallback) with 'self-block-end self-inline-start' fallback applied");
test(() => {
const t2_style = getComputedStyle(t2);
assert_equals(t2_style.getPropertyValue("--physical"), "yes", "queried physical position-area");
assert_equals(t2_style.getPropertyValue("--anchor"), "yes", "queried logical self position-area");
assert_equals(t2_style.getPropertyValue("--abs-container"), "yes", "queried logical container position-area");
}, "@container anchored(fallback) with 'block-end inline-end' fallback applied");
</script>