flexbox-basic-fieldset-horiz-001.xhtml (3486B)
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!-- 3 Any copyright is dedicated to the Public Domain. 4 http://creativecommons.org/publicdomain/zero/1.0/ 5 --> 6 <!-- 7 This test checks that fieldset elements behave correctly as flex items. 8 --> 9 <html xmlns="http://www.w3.org/1999/xhtml"> 10 <head> 11 <title>CSS Test: Testing flexbox layout algorithm property on fieldset flex items in a horizontal flex container</title> 12 <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/> 13 <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#layout-algorithm"/> 14 <link rel="match" href="flexbox-basic-fieldset-horiz-001-ref.xhtml"/> 15 <style> 16 div.flexbox { 17 width: 200px; 18 background: lightgreen; 19 display: flex; 20 justify-content: space-between; 21 margin-bottom: 5px; 22 line-height: 8px; 23 } 24 fieldset { 25 min-width: 0; 26 width: 10px; 27 height: 20px; 28 border: 1px dotted green; 29 margin: 0; 30 padding: 0; 31 } 32 </style> 33 </head> 34 <body> 35 36 <!-- A) One flex item --> 37 <div class="flexbox"> 38 <fieldset/> 39 </div> 40 41 <!-- B) Text and a fieldset (ensure they aren't merged into one flex item) 42 --> 43 <div class="flexbox"> 44 some words <fieldset/> 45 </div> 46 47 <!-- C) Two fieldset elements, getting stretched by different ratios, 48 from 0. 49 50 Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1) 51 = 196px 52 53 1st element gets 5/8 of space: 5/8 * 196px = 122.5px 54 1st element gets 3/8 of space: 3/8 * 196px = 73.5px 55 --> 56 <div class="flexbox"> 57 <fieldset style="flex: 5"/> 58 <fieldset style="flex: 3"/> 59 </div> 60 61 <!-- D) Two fieldset elements, getting stretched by different ratios, from 62 different flex bases. 63 64 Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px 65 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px 66 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px 67 --> 68 <div class="flexbox"> 69 <fieldset style="width: 33px; flex: 2 auto"/> 70 <fieldset style="width: 13px; flex: 3 auto"/> 71 </div> 72 73 <!-- E) Two flex items, getting shrunk by different amounts. 74 75 Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px 76 First element scaled flex ratio = 4 * 150 = 600 77 Second element scaled flex ratio = 3 * 100 = 300 78 * So, total flexibility is 600 + 300 = 900 79 80 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px 81 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px 82 --> 83 <div class="flexbox"> 84 <fieldset style="width: 150px; flex: 1 4 auto"/> 85 <fieldset style="width: 100px; flex: 1 3 auto"/> 86 </div> 87 88 <!-- F) Making sure we don't grow past max-width --> 89 <!-- Same as (D), except we've added a max-width on the second element. 90 --> 91 <div class="flexbox"> 92 <fieldset style="width: 33px; flex: 2 auto"/> 93 <fieldset style="width: 13px; max-width: 90px; flex: 3 auto"/> 94 </div> 95 96 <!-- G) Making sure we grow at least as large as min-width --> 97 <!-- Same as (C), except we've added a min-width on the second element. 98 --> 99 <div class="flexbox"> 100 <fieldset style="width: 33px; flex: 2 auto"/> 101 <fieldset style="width: 13px; min-width: 150px; flex: 3 auto"/> 102 </div> 103 104 </body> 105 </html>