| <!DOCTYPE HTML> |
| <link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api/#dom-css-registerproperty" /> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1899272"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id=element></div> |
| <script> |
| test(function() { |
| CSS.registerProperty({ |
| name: '--length-calc', |
| syntax: '<length>', |
| initialValue: '0px', |
| inherits: true |
| }); |
| CSS.registerProperty({ |
| name: '--length-calc-reset', |
| syntax: '<length>', |
| initialValue: '0px', |
| inherits: false |
| }); |
| let element = document.getElementById("element"); |
| element.style = 'font-size: 11px; --length-calc: calc(10em + 10px); --unregistered:var(--length-calc-reset); --length-calc-reset: var(--length-calc)'; |
| let cs = getComputedStyle(element); |
| for (let prop of ["--length-calc", "--length-calc-reset", "--unregistered"]) { |
| assert_equals(cs.getPropertyValue(prop), "120px", "Should resolve properly: " + prop); |
| } |
| }, "Property dependency tracking across inherited and non-inherited properties"); |
| </script> |
