<!DOCTYPE HTML>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<html><head>
  <meta charset="utf-8">
  <title>Reference: Fragmentation edge cases</title>
  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1144096">
  <style type="text/css">
html,body {
    color:black; background-color:white; font-size:16px; padding:0; margin:0;
}
body { overflow:hidden; }

.columns {
  position:relative;
     -moz-columns: 5;
      -ms-columns: 5;
  -webkit-columns: 5;
          columns: 5;
     -moz-column-fill: auto;
      -ms-column-fill: auto;
  -webkit-column-fill: auto;
          column-fill: auto;
  border: 2px dashed;
  margin-bottom: 5px;
}

.grid {
  display: grid;
  height: 90px;
  grid-template-columns: 30px 30px;
  grid-auto-rows: 30px;
  grid-gap: 12px;
  border:5px solid;
}
span { background:lime; border:1px solid black; }
x { display:block; height:20px; }
.break-before { page-break-before:always; break-before:always; }
.break-after { page-break-after:always; break-after:always; }

</style>
</head>
<body>

<!-- grid wrapped in inline -->
<div class="columns" style="height: 40px">
<div style="padding-top:2px; background:grey">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div>

<!-- grid wrapped in inline with orthogonal writing-mode -->
<div class="columns" style="width: 40px; height:40px;">
<div style="padding-top:2px; background:grey">
<div class="grid" style="overflow:hidden; writing-mode:vertical-lr">
<span style="grid-row:span 2;"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div>

<!-- grid wrapped in overflow:hidden block -->
<div class="columns" style="height: 40px; margin-top:70px">
<div style="padding-top:2px; background:grey">
<div class="grid" style="overflow:hidden">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div>

<!-- grid wrapped in FIELDSET block -->
<div class="columns" style="height: 40px; margin-top:70px">
<div style="padding-top:2px; background:grey">
<div style="display:block; overflow:hidden; border:none; padding:0; margin:0">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div></div>

<!-- grid wrapped in FIELDSET inline -->
<div class="columns" style="height: 40px; margin-left:200px">
<div style="padding-top:2px; background:grey">
<div style="display:inline-block; border:none; padding:0; margin:0">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div></div>

<!-- grid wrapped in FIELDSET overflow:hidden block -->
<div class="columns" style="height: 40px; margin-left:400px">
<div style="padding-top:2px; background:grey">
<div style="display:block; overflow:hidden; border:none; padding:0; margin:0; width:-moz-min-content">
<div class="grid">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></div></div></div>

<!-- grid with orthogonal writing-mode to fragmentainer -->
<div class="columns" style="height: 40px; margin-top:70px">
<div style="padding-top:2px; background:grey">
<y>
<div class="grid" style="overflow:hidden; writing-mode:vertical-lr">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></y></div></div>

<!-- vertical grid and fragmentainer with intermediary horizontal writing-mode inline -->
<!-- XXX bug 1242660: remove the visibility:hidden DIV when we know what the rendering should be -->
<div style="visibility:hidden">
<div class="columns" style="width: 50px; writing-mode:vertical-lr; margin-top:70px">
<div style="padding-top:2px; background:grey">
<y style="writing-mode:horizontal-lr">
<div class="grid" style="writing-mode:vertical-lr">
<span style="grid-row:span 2"><x></x></span>
<span><x></x></span>
<span><x></x></span>
</div></y></div></div>
</div>

</body>
</html>