| <!DOCTYPE html> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| let NegativeBackgroundSize = 2402; // From web_feature.mojom |
| |
| let isCounted = () => internals.isUseCounted(document, NegativeBackgroundSize); |
| var div = document.createElement('div'); |
| |
| div.style = 'background-size: 1px 2px;'; |
| div.style = '-webkit-mask-size: -1px -2px;'; |
| assert_false(isCounted(), |
| '-webkit-mask-size should not be counted'); |
| |
| div.style = 'background-size: 1px -2px;'; |
| assert_true(isCounted(), |
| 'background-size should be counted'); |
| }, 'Negative size is use counted for background-size'); |
| </script> |
