css/css-flexbox/flexbox-sizing-horiz-001.xhtml

<?xml version="1.0" encoding="UTF-8"?>
<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/publicdomain/zero/1.0/
-->
<!--
     This testcase checks how "min-width" and "max-width" affect the sizing
     of horizontal flex containers that have no explicit "width" property.
-->
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>CSS Test: Testing sizing of an auto-sized horizontal flex container with min-width and max-width constraints</title>
    <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/>
    <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#layout-algorithm"/>
    <link rel="match" href="flexbox-sizing-horiz-001-ref.xhtml"/>
    <style>
      div { height: 10px; }
      div.flexbox {
        border: 1px dashed blue;
        font-size: 10px;
        display: flex;
        margin-bottom: 2px;
      }
      div.a {
        flex: 1 20px;
        max-width: 60px;
        background: lightgreen;
      }
      div.b {
        flex: 1 20px;
        min-width: 40px;
        max-width: 60px;
        background: purple;
      }
      div.c {
        flex: 1 40px;
        min-width: 10px;
        max-width: 60px;
        background: orange;
      }
    </style>
  </head>
  <body>
    <!-- auto-sized horizontal flexbox should occupy the available width. -->
    <div class="flexbox">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

    <!-- Adding a small min-size shouldn't affect that. -->
    <div class="flexbox" style="min-width: 10px">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

    <!-- ...but a (large) max-size will limit us to that size, instead of
         our available size.-->
    <div class="flexbox" style="max-width: 300px">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

    <!-- If we set a maximum size that's even smaller, it'll limit our
         size and compress our children. -->
    <div class="flexbox" style="max-width: 70px">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

    <!-- The max-size may be small enough that our items will overflow. -->
    <div class="flexbox" style="max-width: 20px">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

    <!-- But if we add a min-size, it beats the max-size. Here, we use a
         min-size smaller than the sum of the items' base sizes... -->
    <div class="flexbox" style="min-width: 58px; max-width: 20px">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

    <!-- ...and here we use a min-size larger than the sum of the items'
         base sizes. -->
    <div class="flexbox" style="min-width: 140px; max-width: 20px">
      <div class="a"/><div class="b"/><div class="c"/>
    </div>

  </body>
</html>