unresolved-promise.https.html (1093B)
1 <!DOCTYPE html> 2 <html class=reftest-wait> 3 <link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#invoke-an-intrinsic-sizes-callback"> 4 <link rel="match" href="fallback-ref.html"> 5 <meta name="assert" content="This test checks that a layout() class with an intrinsicSizes function that doesn't return a promise will fallback to block layout." /> 6 <style> 7 .test { 8 background: red; 9 border: solid 2px; 10 width: min-content; 11 } 12 13 .child { 14 height: 100px; 15 } 16 17 @supports (display: layout(unresolved-promise)) { 18 .test { 19 display: layout(unresolved-promise); 20 background: green; 21 } 22 } 23 </style> 24 <script src="/common/reftest-wait.js"></script> 25 <script src="/common/worklet-reftest.js"></script> 26 27 <div class="test"> 28 <div class="child"></div> 29 </div> 30 31 <script id="code" type="text/worklet"> 32 registerLayout('unresolved-promise', class { 33 intrinsicSizes() { return new Promise(() => { /* never resolves */ }); } 34 async layout() {} 35 }); 36 </script> 37 38 <script> 39 importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent); 40 </script> 41 </html>