File: position-area-computed-insets.html

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<!DOCTYPE html>
<title>CSS Anchor Positioning: position-area should not affect computed inset values</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position/#position-area">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/css-typed-om/resources/testhelper.js"></script>
<style>
  #abs {
    position: absolute;
    position-area: span-all;
  }
</style>
<div id="abs"></div>
<script>
  test(() => {
    let style = abs.computedStyleMap();
    assert_equals(style.get("position-area").toString(), "span-all", "position-area is supported");
    assert_style_value_equals(style.get("left"), new CSSKeywordValue("auto"));
    assert_style_value_equals(style.get("right"), new CSSKeywordValue("auto"));
    assert_style_value_equals(style.get("top"), new CSSKeywordValue("auto"));
    assert_style_value_equals(style.get("bottom"), new CSSKeywordValue("auto"));
  }, "position-area does not affect insets at computed value time");
</script>