| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| |
| <div id="target"></div> |
| |
| <script> |
| function testImageVar(property, value) { |
| test(() => { |
| target.style.setProperty('--test', value); |
| target.style[property] = 'var(--test)'; |
| var actual = getComputedStyle(target)[property]; |
| |
| target.style[property] = value; |
| assert_not_equals(target.style[property], '', value + ' must be valid for ' + property); |
| var expected = getComputedStyle(target)[property]; |
| |
| assert_equals(actual, expected); |
| }, property + ' should resolve ' + value + ' the same whether via var() or not.'); |
| } |
| |
| testImageVar('background-image', 'url("image.png")'); |
| testImageVar('background-image', '-webkit-image-set(url("image.png") 1x)'); |
| testImageVar('background', 'url("image.png")'); |
| testImageVar('background', '-webkit-image-set(url("image.png") 1x)'); |
| </script> |
