| <!doctype HTML> |
| <link rel="author" title="Chris Harrelson" href="mailto:chrishtr@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-transforms-2/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| div { |
| width: 200px; |
| height: 200px; |
| } |
| .parent { |
| transform-style: preserve-3d; |
| transform: rotateY(45deg) |
| } |
| |
| .child { |
| transform: rotateY(45deg); |
| background: lightblue |
| } |
| </style> |
| |
| <div id=parentWithGrouping style="transform-style: preserve-3d; overflow: hidden"> |
| <div id=absoluteUnderGrouping style="position: absolute"> |
| </div> |
| </div> |
| |
| <div id=parentWithoutGrouping style="transform-style: preserve-3d"> |
| <div id=absoluteNotUnderGrouping style="position: absolute"> |
| </div> |
| </div> |
| |
| <script> |
| nonflatWidth = nonflat.getBoundingClientRect().width; |
| |
| test(function() { |
| assert_equals(absoluteUnderGrouping.offsetParent, parentWithGrouping); |
| }, "Preserve-3d element with a grouping property still a containing block"); |
| |
| test(function() { |
| assert_equals(absoluteNotUnderGrouping.offsetParent, parentWithoutGrouping); |
| }, "Preserve-3d element without a grouping property still a containing block"); |
| </script> |
