<!doctype html>
<meta charset="utf-8">
<title>IDL-constructed CSSUnparsedValue serialization tests</title>
<link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#unparsedvalue-serialization">
<meta name="assert" content="Test CSSUnparsedValue are serialized by concatenating its contents" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<div id="tag">
<script>
'use strict';

test(() => {
  assert_equals(new CSSUnparsedValue(['lem', 'on', 'ade']).toString(), 'lemonade');
}, 'CSSUnparsedValue containing strings serializes to its concatenated contents');

test(() => {
  assert_equals(new CSSUnparsedValue([
      new CSSVariableReferenceValue('--A',
        new CSSUnparsedValue([new CSSVariableReferenceValue('--B')])),
      new CSSVariableReferenceValue('--C')]).toString(),
    'var(--A,var(--B))var(--C)');
}, 'CSSUnparsedValue containing variable references serializes its ' +
   'concatenated contents');

test(() => {
  assert_equals(new CSSUnparsedValue(['foo', 'bar ',
      new CSSVariableReferenceValue('--A',
        new CSSUnparsedValue(['baz ',
          new CSSVariableReferenceValue('--B'), 'lemon'])),
      new CSSVariableReferenceValue('--C',
        new CSSUnparsedValue(['ade']))]).toString(),
    'foobar var(--A,baz var(--B)lemon)var(--C,ade)');
}, 'CSSUnparsedValue containing mix of strings and variable references ' +
   'serializes to its concatenated contents');

</script>
