position-try-rule-caching-001.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-anchor-position/position-try-rule-caching-001.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Tests that given two sheets containing the same @position-try, modifying one sheet doesn't affect the other sheet</title>

<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#fallback-rule">

<link rel="author" title="Kiet Ho" href="mailto:kiet.ho@apple.com">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

  test(() => {

    const style1 = new CSSStyleSheet();

    const style2 = new CSSStyleSheet();

    const cssText = "@position-try --try { position-area: center }";

    style1.replaceSync(cssText);

    style2.replaceSync(cssText);

    style1.cssRules[0].style.positionArea = "bottom right";

    assert_equals(style2.cssRules[0].style.positionArea, "center");

  }, "Modifying one sheet containing @position-try rule doesn't affect another sheet");

</script>