| <!doctype html> |
| <meta charset="utf-8"> |
| <title>CSSVariableReferenceValue tests</title> |
| <link rel="help" href="https://drafts.css-houdini.org/css-typed-om-1/#cssvariablereferencevalue"> |
| <meta name="assert" content="Test CSSVariableReferenceValue constructor and attributes" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../resources/testhelper.js"></script> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| const result = new CSSVariableReferenceValue('--foo'); |
| |
| assert_not_equals(result, null, |
| 'A CSSVariableReferenceValue should be created'); |
| assert_equals(result.variable, '--foo', |
| 'Variable member should be same as passed in the constructor'); |
| assert_equals(result.fallback, null, |
| 'Fallback member should be null'); |
| }, 'CSSVariableReferenceValue can be constructed with no fallback'); |
| |
| test(() => { |
| const result = new CSSVariableReferenceValue('--foo', |
| new CSSUnparsedValue('lemon')); |
| |
| assert_not_equals(result, null, |
| 'A CSSVariableReferenceValue should be created'); |
| assert_equals(result.variable, '--foo', |
| 'Variable member should be same as passed in the constructor'); |
| assert_not_equals(result.fallback, null, |
| 'Fallback member should not be null'); |
| assert_style_value_equals(result.fallback, new CSSUnparsedValue('lemon'), |
| 'Fallback member should be as same as passed in the constructor'); |
| }, 'CSSVariableReferenceValue can be constructed with fallback'); |
| |
| test(() => { |
| let result = new CSSVariableReferenceValue('--foo'); |
| result.variable = '--bar'; |
| |
| assert_equals(result.variable, '--bar', |
| 'Variable member should be updated to new value'); |
| }, 'CSSVariableReferenceValue.variable can updated to a valid variable name'); |
| |
| </script> |
