blob: 236758bf1f281b9b1290d2cb304a878e26378515 [file] [log] [blame]
<!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(new 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(new 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>