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<!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>
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