third_party/WebKit/LayoutTests/fast/multicol/dynamic/spanner-becomes-abspos-crash.html

   1 <!DOCTYPE html>
   2 <p>Turn a column spanner into an absolutely positioned box.</p>
   3 <p>PASS if no crash or assertion failure.</p>
   4 <div style="-webkit-column-count:2;">
   5     Text.
   6     <div>
   7         <div id="spanner" style="-webkit-column-span:all;"></div>
   8     </div>
   9     Text.
  10     <span id="something" style="display:none;"></span>
  11 </div>
  12 <script>
  13     if (window.testRunner)
  14         testRunner.dumpAsText();
  15     document.body.offsetTop;
  16     spanner.style.position = "absolute";
  17
  18     // Trigger another layout pass, now that the spanner should be
  19     // gone. That element is now absolutely positioned, so it should
  20     // have lost its spanner capabilities, since the combination of
  21     // abspos and spanner isn't allowed.
  22     document.body.offsetTop;
  23     something.style.display = "inline";
  24 </script>