| <!DOCTYPE html> |
| <html class=reftest-wait> |
| <link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutconstraints-data"> |
| <link rel="match" href="green-square-ref.html"> |
| <meta name="assert" content="This test checks that a function can't be passed to a child layout." /> |
| <style> |
| .test { |
| background: red; |
| width: 100px; |
| } |
| |
| @supports (display: layout(parent)) { |
| .test { |
| display: layout(parent); |
| background: green; |
| } |
| |
| .child { |
| display: layout(child); |
| } |
| } |
| </style> |
| <script src="/common/reftest-wait.js"></script> |
| <script src="/common/worklet-reftest.js"></script> |
| |
| <div class="test"> |
| <div class="child"></div> |
| </div> |
| |
| <script id="code" type="text/worklet"> |
| registerLayout('parent', class { |
| *intrinsicSizes() {} |
| *layout() {} |
| *layout([child], edges, constraints, styleMap) { |
| let childFragment = null; |
| |
| try { |
| childFragment = yield child.layoutNextFragment({ |
| data: { fn: function() {} } |
| }); |
| } catch(e) { |
| // Success! The structured cloning algorithm should have thrown an error. |
| childFragment = yield child.layoutNextFragment({}); |
| return {autoBlockSize: 100, childFragments: [childFragment]}; |
| } |
| |
| return {autoBlockSize: 0, childFragments: [childFragment]}; |
| } |
| }); |
| |
| registerLayout('child', class { |
| *intrinsicSizes() {} |
| *layout() {} |
| *layout() { |
| return {autoBlockSize: 0}; |
| } |
| }); |
| </script> |
| |
| <script> |
| importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent); |
| </script> |
| </html> |
