cssVariableReferenceValue.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.html - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset="utf-8">

<title>CSSVariableReferenceValue Constructor</title>

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

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

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

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

<body>

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

<script>

'use strict';

test(() => {

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

  assert_not_equals(result, null, 'a CSSVariableReferenceValue is created');

  assert_equals(result.variable, '--foo',

                'variable is same as passed by constructor');

  assert_equals(result.fallback, null, 'fallback');

}, 'CSSVariableReferenceValue can be constructed with no fallback');

test(() => {

  const result = new CSSVariableReferenceValue('--foo', null);

  assert_not_equals(result, null, 'a CSSVariableReferenceValue is created');

  assert_equals(result.variable, '--foo',

                'variable is same as passed by constructor');

  assert_equals(result.fallback, null, 'fallback');

}, 'CSSVariableReferenceValue can be constructed with null fallback');

test(() => {

  const result = new CSSVariableReferenceValue('--foo',

      new CSSUnparsedValue(['lemon']));

  assert_not_equals(result, null, 'a CSSVariableReferenceValue is created');

  assert_equals(result.variable, '--foo',

                'variable is same as passed by constructor');

  assert_not_equals(result.fallback, null, 'fallback');

  assert_style_value_equals(result.fallback, new CSSUnparsedValue(['lemon']),

                            'fallback is same as passed by constructor');

}, 'CSSVariableReferenceValue can be constructed with valid fallback');

</script>