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<!DOCTYPE html>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<html>
<head>
  <title>
    CSS Test: "flex-basis" and "flex" shouldn't impact child sizing inside of
    vertical "display: -webkit-box" container
  </title>
  <style>
    .box {
      display: -webkit-box;
      -webkit-box-orient: vertical;
      border: 1px solid black;
      margin: 5px 20px;
      height: 100px;
      float: left; /* For testing in "rows" */
      font: 10px serif;
    }

    .box > *:nth-child(1) { background: turquoise; }
    .box > *:nth-child(2) { background: salmon;    }

    .mh0 {
      /* Used in some children here, to disable modern-flexbox's
         "implied-minimum-size" feature, so that it can't inadvertantly
         be the thing that makes our rendering match the reference . */
      min-height: 0;
    }

    br { clear: both; }

    /* The point of this testcase is to verify that none of the modern-flexbox
       styles below have any effect on the rendering. (This is worth checking
       because we coopt our modern-flexbox implementation in our emulation of
       legacy -webkit-box behavior.) */
    .fb0 { flex-basis: 0; }
    .f1  { flex: 1;  /* This shorthand sets flex-grow:1; flex-basis: 0 */ }

    .fb30px   { flex-basis: 30px; }
    .f1_30px  { flex: 1 30px;     }
  </style>
</head>
<body>
  <!-- FIRST ROW: flex-basis is 0 -->
  <div class="box">
    <div class="fb0">a</div>
    <div class="fb0 mh0">b</div>
  </div>

  <div class="box">
    <div class="f1">a</div>
    <div class="f1 mh0">b</div>
  </div>

  <br>

  <!-- SECOND ROW: flex-basis is 30px -->
  <div class="box">
    <div class="fb30px">a</div>
    <div class="fb30px mh0">b</div>
  </div>

  <div class="box">
    <div class="f1_30px">a</div>
    <div class="f1_30px mh0">b</div>
  </div>

</body>
</html>