cssVariableReferenceValue-variable.html

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This test has a WPT meta file that expects 3 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-typed-om/stylevalue-subclasses/cssVariableReferenceValue-variable.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>CSSVariableReferenceValue.variable</title>

<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#dom-cssvariablereferencevalue-variable">

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

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

<body>

<div id="log"></div>

<script>

'use strict';

test(() => {

  let result = new CSSVariableReferenceValue('--foo');

  result.variable = '--bar';

  assert_equals(result.variable, '--bar', 'variable reflects new value');

}, 'CSSVariableReferenceValue.variable can updated to a valid custom ' +

   'property name');

test(() => {

  let result = new CSSVariableReferenceValue('--foo');

  assert_throws_js(TypeError, () => result.variable = '');

  assert_equals(result.variable, '--foo', 'variable does not change');

}, 'Updating CSSVariableReferenceValue.variable to the empty string ' +

   'throws TypeError');

test(() => {

  let result = new CSSVariableReferenceValue('--foo');

  assert_throws_js(TypeError, () => result.variable = 'bar');

  assert_equals(result.variable, '--foo', 'variable does not change');

}, 'Updating CSSVariableReferenceValue.variable to an invalid custom ' +

   'property name throws TypeError');

</script>