| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="author" title="Joy Yu" href="mailto:joysyu@mit.edu"> |
| <link rel="help" href="https://drafts.csswg.org/css-tables-3/#visibility-collapse-cell-rendering"> |
| <h1>Visibility collapse</h1> |
| <a href="https://drafts.csswg.org/css-tables-3/#computing-the-table-width">Spec</a> |
| <p> |
| When a row is collapsed, a cell spanning the row may get clipped. When the row is then uncollapsed, |
| the browser should not crash because the cell's children should be correctly updated and laid out. |
| </p> |
| <table> |
| <col style="background-color:red;"> |
| <col id="colToCollapse" style="background-color: blue;"> |
| <col style="background-color: green;"> |
| <tr> |
| <td class="firstCol">Row 1</td> |
| <td>Row 1 wordword</td> |
| <td class="thirdCol">Row 1 wordwordword</td> |
| </tr> |
| <tr> |
| <td class="firstCol">Row 2</td> |
| <td>Row 2 wordwordword</td> |
| <td class="thirdCol">Row 2 wordword</td> |
| </tr> |
| <tr> |
| <td class="firstCol">Row 3</td> |
| <td>Row 3 word</td> |
| <td class="thirdCol">Row 3 wordwordwordword</td> |
| </tr> |
| <tr> |
| <td colspan="3">superlongwordsuperlongwordsuper shouldbeclipped</td> |
| </tr> |
| </table> |
| |
| <script> |
| test(() => { |
| col = document.getElementById("colToCollapse"); |
| col.style.visibility = "collapse"; |
| step_timeout(function(){ col.style.visibility = "visible"; }, 500); |
| step_timeout(function(){ col.style.visibility = "collapse"; }, 1000); |
| }, "No crash or assertion failure. crbug.com/174167"); |
| </script> |
