<!DOCTYPE html>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<link rel="author" title="David Grogan" href="dgrogan@chromium.org">
<link rel="help" href="https://www.w3.org/TR/css-writing-modes-3/#orthogonal-flows">
<meta name="assert" content="caption margins are resolved against table's height when table has vertical flow" />
<style>
x-table {
  display: table;
  width: 300px;
  height: 200px;
  writing-mode: vertical-lr;
  outline: 2px dashed blue;
}
x-caption {
  display: table-caption;
  height: 50px;
  width: 120px;
  writing-mode: horizontal-tb;
  outline: 1px solid black;
}
</style>

<x-table>
  <x-caption id=captionMarginLeft style="margin-left:20%">caption</x-caption>
</x-table>
<x-table>
  <x-caption id=captionMarginTop style="margin:auto 0">caption</x-caption>
</x-table>
<p>This is a script test because of how ridiculously differently the current
engines render these cases.</p>


<script>
let caption_margin_left = getComputedStyle(id=captionMarginLeft).marginLeft;
test(() => assert_equals(caption_margin_left, "40px"), "Caption percent margins are resolved against table's height for vertical-lr tables");
let caption_margin_top = getComputedStyle(captionMarginTop).marginTop;
test(() => assert_equals(caption_margin_top, "75px"), "Caption with auto top/bottom margins is centered vertically for vertical-lr tables");
</script>
