| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <style> |
| #container { |
| --a: green; |
| } |
| |
| #b { |
| --a: inherit; |
| } |
| |
| </style> |
| |
| <div id="container"> |
| <div id="a" style="--a: inherit;"></div> |
| <div id="b"></div> |
| </div> |
| |
| <script> |
| test(function() { |
| assert_equals(getComputedStyle(container).getPropertyValue("--a"), " green"); |
| assert_equals(getComputedStyle(a).getPropertyValue("--a"), " green"); |
| assert_equals(a.style.getPropertyValue("--a"), "inherit"); |
| assert_equals(a.style.cssText, "--a: inherit;"); |
| }, 'The special inherit value can be read from inline style.'); |
| |
| test(function() { |
| a.style.setProperty("--a", "inherit"); |
| assert_equals(a.style.getPropertyValue("--a"), "inherit"); |
| }, 'The special inherit value can be read after setting.') |
| |
| test(function() { |
| assert_equals(document.styleSheets[0].rules[1].style.getPropertyValue("--a"), "inherit"); |
| }, 'The special inherit value can be read from a declared rule.') |
| </script> |
