| <!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> |
