layout/reftests/flexbox/pagination/flexbox-multi-row-vertical-lr-1e.html

   1 <!DOCTYPE html>
   2 <!-- Any copyright is dedicated to the Public Domain.
   3      http://creativecommons.org/publicdomain/zero/1.0/ -->
   4 <html>
   5   <meta charset="utf-8">
   6   <title>CSS Flexbox Test: Fragmentation of block-size:auto multi-line row flex container with fixed block-size flex items</title>
   7   <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
   8   <link rel="author" title="Mozilla" href="http://www.mozilla.org/">
   9   <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#pagination">
  10   <link rel="match" href="flexbox-multi-row-vertical-lr-1-ref.html">
  11   <meta name="assert" content="This test verifies fragmentation of fixed block-size flex items in a block-size:auto multi-line row flex container, with various combinations of margin/border/padding, alignments, and gap. Also use a script to shrink multicol block-size.">
  12
  13   <style>
  14   html {
  15     writing-mode: vertical-lr;
  16   }
  17   .multicol {
  18     block-size: 80px;
  19     inline-size: 200px;
  20     column-width: 60px;
  21     column-fill: auto;
  22     column-gap: 10px;
  23     border: 5px solid orange;
  24     margin-block-end: 5px; /* Just to separate each sub-testcase visually. */
  25   }
  26   .flexContainer {
  27     display: flex;
  28     flex-wrap: wrap;
  29     flex-direction: row;
  30     background: gray;
  31     /* border-width is 0 by default; some sub-testcases will increase it. */
  32     border: 0 solid lightgray;
  33   }
  34   .border-padding {
  35     border-block-width: 10px;
  36     padding-block: 5px;
  37   }
  38   .with-gap {
  39     row-gap: 20px;
  40     column-gap: 10px;
  41   }
  42
  43   header, nav, article, footer {
  44     inline-size: 30px;
  45   }
  46   .with-gap header, .with-gap nav, .with-gap article, .with-gap footer {
  47     inline-size: 25px;
  48   }
  49
  50   /* Note: flex items are in visual order as "CMYK": cyan, magenta, yellow, black. */
  51   header {
  52     background: cyan;
  53     block-size: 50px;
  54   }
  55   nav {
  56     background: magenta;
  57     block-size: 25px;
  58     align-self: flex-start;
  59   }
  60   article {
  61     background: yellow;
  62     block-size: 40px;
  63     align-self: center;
  64   }
  65   footer {
  66     background: black;
  67     block-size: 50px;
  68     align-self: flex-end;
  69   }
  70
  71   body.multicol-children-block-size > .multicol {
  72     block-size: 50px;
  73   }
  74   </style>
  75
  76   <script>
  77   function runTest() {
  78     document.body.offsetHeight;
  79
  80     /* Enlarge the multicol's block-size to exercise pulling and pushing flex items
  81        of an already fragmented flex container. */
  82     document.body.classList.add("multicol-children-block-size");
  83   }
  84   </script>
  85
  86   <body onload="runTest()">
  87     <!-- Basic one without any margin/border/padding. -->
  88     <div class="multicol">
  89       <div class="flexContainer">
  90         <header></header><nav></nav><article></article><footer></footer>
  91       </div>
  92     </div>
  93
  94     <!-- Test a container with margin-block-start. -->
  95     <div class="multicol">
  96       <div class="flexContainer" style="margin-block-start: 25px">
  97         <header></header><nav></nav><article></article><footer></footer>
  98       </div>
  99     </div>
 100
 101     <!-- Test a container not at the top of the column/page. -->
 102     <div class="multicol">
 103       <div style="block-size: 25px"></div>
 104       <div class="flexContainer">
 105         <header></header><nav></nav><article></article><footer></footer>
 106       </div>
 107     </div>
 108
 109     <!-- Test a container with border and padding. -->
 110     <div class="multicol">
 111       <div class="flexContainer border-padding">
 112         <header></header><nav></nav><article></article><footer></footer>
 113       </div>
 114     </div>
 115
 116     <!-- Test a container with border, padding, and gap. -->
 117     <div class="multicol">
 118       <div class="flexContainer border-padding with-gap">
 119         <header></header><nav></nav><article></article><footer></footer>
 120       </div>
 121     </div>
 122   </body>
 123 </html>