| <!DOCTYPE html> |
| <title>CSS Values and Units Test: Invalidation for sibling-index() and sibling-count()</title> |
| <link rel="help" href="https://drafts.csswg.org/css-values-5/#tree-counting"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #t1 { |
| width: calc(10px * sibling-index()); |
| height: 50px; |
| background: teal; |
| } |
| </style> |
| <div> |
| <div id="rm1"></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div id="t1"></div> |
| </div> |
| <script> |
| test(() => assert_equals(t1.offsetWidth, 60), "Initially 6th sibling"); |
| test(() => { |
| rm1.remove(); |
| assert_equals(t1.offsetWidth, 50); |
| }, "5th sibling after removal"); |
| </script> |
| |
| <style> |
| #t2 { |
| width: 50px; |
| height: calc(10px * sibling-count()); |
| background: teal; |
| } |
| </style> |
| <div> |
| <div id="t2"></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div></div> |
| <div id="rm2"></div> |
| </div> |
| <script> |
| test(() => assert_equals(t2.offsetHeight, 60), "Initially 6 siblings"); |
| test(() => { |
| rm2.remove(); |
| assert_equals(t2.offsetHeight, 50); |
| }, "5 siblings after removal"); |
| </script> |