tor-browser

The Tor Browser
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fieldset-dynamic-oof-container-crash.html (1005B)

      1 <!DOCTYPE html>
      2 <html class="test-wait">
      3 <title>No crash after stop being an asbolute container.</title>
      4 <link rel="help" href="https://crbug.com/1395688">
      5 <style>
      6 .c2 {
      7  transform: rotate3d(0, 1, 0, 45deg);
      8  column-width: 100px;
      9 }
     10 .c19 {
     11  overflow: auto;
     12  padding-left: 65536px;
     13  column-count: 3;
     14 }
     15 
     16 q {
     17  position: absolute;
     18  column-width: 1px;
     19 }
     20 
     21 body {
     22  column-count: 3;
     23 }
     24 </style>
     25 <script>
     26 function animationFrame() {
     27  return new Promise(resolve => requestAnimationFrame(resolve));
     28 }
     29 
     30 async function doTest() {
     31  document.documentElement.appendChild(document.createElement('body'));
     32  await animationFrame();
     33  document.body.innerHTML = '<fieldset class=c2><q>q</q></fieldset>';
     34  window.scrollBy(28, 71);
     35  await animationFrame();
     36  document.querySelector('fieldset').setAttribute('class', 'c19');
     37  await animationFrame();
     38  document.body.remove();
     39  await animationFrame();
     40  await animationFrame();
     41  document.documentElement.classList.remove('test-wait');
     42 }
     43 
     44 doTest();
     45 </script>
     46 </html>