style-query-container-name-change.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries/style-query-container-name-change.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-name">

<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#style-container">

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

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

<script src="support/cq-testcommon.js"></script>

<style>

  #container {

    container-name: --bar;

    --foo: bar;

  #target { color: red; }

  @container --baz style(--foo: bar) {

    #target { color: green; }

</style>

<div id="container">

  <div>

    <div id="target">Should be green</div>

  </div>

</div>

<script>

  setup(() => assert_implements_style_container_queries());

  test(() => {

    assert_equals(getComputedStyle(target).color, "rgb(255, 0, 0)");

    container.style.containerName = "--baz";

    assert_equals(getComputedStyle(target).color, "rgb(0, 128, 0)");

  }, "Start matching style() query after container-name change");

</script>