wpt / css / css-typed-om / stylevalue-subclasses / cssTransformComponent-toMatrix-relative-units.html

Status: FAIL | Duration: 50ms | Subtests: 0/2 | Open test on wpt.live | wpt.fyi

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

SubtestStatusMessage
CSSTranslate.toMatrix() containing relative units throws TypeErrorFAILassert_throws_js: function "() => { return new CSSTranslate( new CSSUnitValue(1, 'px'), new CSSUnitValue(1, 'em') ).toMatrix(); }" threw object "ReferenceError: CSSTranslate is not defined" ("ReferenceError") expected instance of function "function TypeError() { [native code] }" ("TypeError")
CSSPerspective.toMatrix() containing relative units throws TypeErrorFAILassert_throws_js: function "() => { return new CSSPerspective(new CSSUnitValue(1, 'em')).toMatrix(); }" threw object "ReferenceError: CSSPerspective is not defined" ("ReferenceError") expected instance of function "function TypeError() { [native code] }" ("TypeError")

/css/css-typed-om/stylevalue-subclasses/cssTransformComponent-toMatrix-relative-units.html

<!doctype html>
<meta charset="utf-8">
<title>CSSTransformComponent.toMatrix with Relative Units</title>
<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-csstransformcomponent-tomatrix">
<meta name="assert" content="Test CSSTransformComponent.toMatrix throws when given relative units" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/testhelper.js"></script>
<script>
'use strict';

test(() => {
  assert_throws_js(TypeError, () => {
    return new CSSTranslate(
      new CSSUnitValue(1, 'px'),
      new CSSUnitValue(1, 'em')
    ).toMatrix();
  });
}, 'CSSTranslate.toMatrix() containing relative units throws TypeError');

test(() => {
  assert_throws_js(TypeError, () => {
    return new CSSPerspective(new CSSUnitValue(1, 'em')).toMatrix();
  });
}, 'CSSPerspective.toMatrix() containing relative units throws TypeError');

</script>