Blitz - WPT: container-ident-function.html

wpt / css / css-conditional / container-queries / container-ident-function.html

Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)

Subtest	Status	Message
Property container-name value 'ident("--myident" calc(42 * sign(1em - 1px)))'	FAIL	assert_true: container-name doesn't seem to be supported in the computed style expected true got false
Property container-name value '--c ident("--myident" calc(42 * sign(1em - 1px)))'	FAIL	assert_true: container-name doesn't seem to be supported in the computed style expected true got false
Property container value 'ident("--myident" calc(42 * sign(1em - 1px)))'	FAIL	assert_true: container doesn't seem to be supported in the computed style expected true got false
Property container value '--c ident("--myident" calc(42 * sign(1em - 1px))) / size'	FAIL	assert_true: container doesn't seem to be supported in the computed style expected true got false

Enable JavaScript in test iframe

/css/css-conditional/container-queries/container-ident-function.html

<!DOCTYPE html>
<title>CSS Conditional: The ident() function in @container/container-name</title>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#ident">
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-rule">
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#container-name">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<div id=target></div>
<script>
  let actual_ident = 'ident("--myident" calc(42 * sign(1em - 1px)))';
  let expected_ident = '--myident42';

  // https://drafts.csswg.org/css-conditional-5/#container-name
  test_computed_value('container-name', actual_ident, expected_ident);
  test_computed_value('container-name', `--c ${actual_ident}`,
    `--c ${expected_ident}`);

  // https://drafts.csswg.org/css-conditional-5/#container-shorthand
  test_computed_value('container', actual_ident, expected_ident);
  test_computed_value('container', `--c ${actual_ident} / size`,
    `--c ${expected_ident} / size`);

</script>