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Automatic update from web-platform-testsRevert "Revert "[css-tables] Force layout when colgroups are removed or added"" Fixes an uninitialised variable caught by MSAN. This reverts commit 66a74d2f7e1b369ce086c3c41ee089d72f3d0018. Change-Id: I1e896476fe201fb05072970220bab5c3b20588a2 Reviewed-on: https://chromium-review.googlesource.com/1233746 Commit-Queue: David Grogan <dgrogan@chromium.org> Reviewed-by: Emil A Eklund <eae@chromium.org> Reviewed-by: David Grogan <dgrogan@chromium.org> Cr-Commit-Position: refs/heads/master@{#592938} -- wpt-commits: a25aa4b1f3ef9011ee30ecffe7203157d72ae5ae wpt-pr: 13077
81 lines
2.5 KiB
HTML
81 lines
2.5 KiB
HTML
<!doctype html>
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<script src='/resources/testharness.js'></script>
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<script src='/resources/testharnessreport.js'></script>
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<link rel="author" title="Richard Townsend" href="Richard.Townsend@arm.com" />
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<link rel="help" href="https://drafts.csswg.org/css-tables-3/#computing-column-measures" />
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<style type="text/css">
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td {
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padding: 0;
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}
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div {
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/* Bug does not happen when the table's containing block is less
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than (100+200+300)=600px, so make sure sure that it's larger. */
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width: 750px;
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}
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</style>
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<div>
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<h1>Width Distribution</h1>
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<h4>"Computing column measures"</h4>
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<p>This is testing that the table's auto columns are correctly recalculated after removing and adding a <code>col</code> element.
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<a href="https://www.w3.org/TR/CSS2/tables.html#auto-table-layout">Spec Text</a></p>
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<hr/>
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<table id="one" style="border: 1px solid orange">
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<colgroup>
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<col style="width: 100px" />
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<col style="width: 200px" />
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<col style="width: 300px;" id="hideable" />
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</colgroup>
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<tr>
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<td>100</td>
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<td>200</td>
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<td>300</td>
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</tr>
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</table>
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<table id="two" style="border: 1px solid orange">
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<colgroup>
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<col style="width: 100px; display: none;" id="displayable" />
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<col style="width: 200px;" />
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<col style="width: auto;" />
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</colgroup>
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<tr>
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<td>100</td>
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<td>200</td>
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<td>300</td>
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</tr>
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</table>
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<table id="ref" style="border: 1px solid orange">
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<colgroup>
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<col style="width: 100px;" />
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<col style="width: 200px;" />
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<col style="width: auto;" />
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</colgroup>
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<tr>
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<td>100</td>
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<td>200</td>
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<td>300</td>
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</tr>
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</table>
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</div>
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<script>
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test(function() {
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var one = document.getElementById('one');
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var two = document.getElementById('two');
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var ref = document.getElementById('ref');
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// Force initial layout.
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assert_greater_than(one.offsetWidth, ref.offsetWidth);
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// Display two's colgroup and hide one's.
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document.getElementById('displayable').style.display = 'table-column';
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document.getElementById('hideable').style.display = 'none';
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// Both tables should now match the reference.
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assert_equals(one.offsetWidth, ref.offsetWidth);
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assert_equals(two.offsetWidth, ref.offsetWidth);
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}, "Table recalculations should match the reference");
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</script>
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