chromium/third_party/blink/web_tests/external/wpt/css/css-overflow/clip-003.html

<!doctype html>
<meta charset="utf-8">
<title>CSS Test: overflow:clip can be combined with overflow:visible</title>
<link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1531609">
<link rel="help" href="https://drafts.csswg.org/css-overflow/#valdef-overflow-clip">
<link rel="match" href="clip-003-ref.html">
<style>
  .wrapper {
    margin-left: 30px;
    margin-bottom: 20px;
    width: 50px;
    height: 50px;
  }
  .outer {
    width: 50px;
    height: 50px;
    background: black;
  }

  .inner {
    position: relative;
    top: -10px;
    left: -10px;
    height: 100px;
    width: 100px;
    background: blue;
    opacity: 0.5;
  }
</style>
<!-- there should be no scrollbars -->
<div class="wrapper" style="overflow: auto">
<div class="outer" style="overflow:clip; outline:solid red">
  <div class="inner"></div>
</div>
</div>

<!-- there should be no white areas inside the outline -->
<div class="wrapper" style="outline: solid">
<div class="outer" style="overflow-x:clip">
  <div class="inner"></div>
</div>
</div>

<!-- there should be a vertical scrollbar, but not a horizontal one -->
<div class="wrapper" style="overflow: auto; margin-top:50px">
<div class="outer" style="overflow-x:clip">
  <div class="inner" style="width:1px"></div>
</div>
</div>

<!-- there should be no white areas inside the outline -->
<div class="wrapper" style="outline: solid">
<div class="outer" style="overflow-y:clip">
  <div class="inner"></div>
</div>
</div>

<!-- there should be horizontal scrollbar, but not a vertical one -->
<div class="wrapper" style="overflow: auto">
<div class="outer" style="overflow-y:clip">
  <div class="inner" style="height:1px"></div>
</div>
</div>