layout/reftests/w3c-css/submitted/flexbox/flexbox-basic-iframe-horiz-1.xhtml

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 <?xml version="1.0" encoding="UTF-8"?>
michael@0 2 <!--
michael@0 3 Any copyright is dedicated to the Public Domain.
michael@0 4 http://creativecommons.org/publicdomain/zero/1.0/
michael@0 5 -->
michael@0 6 <!--
michael@0 7 This test checks that iframe elements behave correctly as flex items.
michael@0 8 -->
michael@0 9 <html xmlns="http://www.w3.org/1999/xhtml">
michael@0 10 <head>
michael@0 11 <title>CSS Test: Testing flexbox layout algorithm property on iframe flex items in a horizontal flex container</title>
michael@0 12 <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"/>
michael@0 13 <link rel="help" href="http://www.w3.org/TR/css3-flexbox/#layout-algorithm"/>
michael@0 14 <link rel="match" href="flexbox-basic-iframe-horiz-1-ref.xhtml"/>
michael@0 15 <style>
michael@0 16 div.flexbox {
michael@0 17 width: 200px;
michael@0 18 background: lightgreen;
michael@0 19 display: flex;
michael@0 20 justify-content: space-between;
michael@0 21 margin-bottom: 5px;
michael@0 22 line-height: 8px;
michael@0 23 }
michael@0 24 iframe {
michael@0 25 min-width: 0;
michael@0 26 width: 10px;
michael@0 27 height: 20px;
michael@0 28 border: 1px dotted green;
michael@0 29 }
michael@0 30 </style>
michael@0 31 </head>
michael@0 32 <body>
michael@0 33
michael@0 34 <!-- A) One flex item -->
michael@0 35 <div class="flexbox">
michael@0 36 <iframe/>
michael@0 37 </div>
michael@0 38
michael@0 39 <!-- B) Text and an iframe (ensure they aren't merged into one flex item)
michael@0 40 -->
michael@0 41 <div class="flexbox">
michael@0 42 some words <iframe/>
michael@0 43 </div>
michael@0 44
michael@0 45 <!-- C) Two iframe elements, getting stretched by different ratios, from 0.
michael@0 46
michael@0 47 Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1)
michael@0 48 = 196px
michael@0 49
michael@0 50 1st element gets 5/8 of space: 5/8 * 196px = 122.5px
michael@0 51 1st element gets 3/8 of space: 3/8 * 196px = 73.5px
michael@0 52 -->
michael@0 53 <div class="flexbox">
michael@0 54 <iframe style="flex: 5"/>
michael@0 55 <iframe style="flex: 3"/>
michael@0 56 </div>
michael@0 57
michael@0 58 <!-- D) Two iframe elements, getting stretched by different ratios, from
michael@0 59 different flex bases.
michael@0 60
michael@0 61 Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px
michael@0 62 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px
michael@0 63 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px
michael@0 64 -->
michael@0 65 <div class="flexbox">
michael@0 66 <iframe style="width: 33px; flex: 2 auto"/>
michael@0 67 <iframe style="width: 13px; flex: 3 auto"/>
michael@0 68 </div>
michael@0 69
michael@0 70 <!-- E) Two flex items, getting shrunk by different amounts.
michael@0 71
michael@0 72 Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px
michael@0 73 First element scaled flex ratio = 4 * 150 = 600
michael@0 74 Second element scaled flex ratio = 3 * 100 = 300
michael@0 75 * So, total flexibility is 600 + 300 = 900
michael@0 76
michael@0 77 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px
michael@0 78 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px
michael@0 79 -->
michael@0 80 <div class="flexbox">
michael@0 81 <iframe style="width: 150px; flex: 1 4 auto"/>
michael@0 82 <iframe style="width: 100px; flex: 1 3 auto"/>
michael@0 83 </div>
michael@0 84
michael@0 85 <!-- F) Making sure we don't grow past max-width -->
michael@0 86 <!-- Same as (D), except we've added a max-width on the second element.
michael@0 87 -->
michael@0 88 <div class="flexbox">
michael@0 89 <iframe style="width: 33px; flex: 2 auto"/>
michael@0 90 <iframe style="width: 13px; max-width: 90px; flex: 3 auto"/>
michael@0 91 </div>
michael@0 92
michael@0 93 <!-- G) Making sure we grow at least as large as min-width -->
michael@0 94 <!-- Same as (C), except we've added a min-width on the second element.
michael@0 95 -->
michael@0 96 <div class="flexbox">
michael@0 97 <iframe style="width: 33px; flex: 2 auto"/>
michael@0 98 <iframe style="width: 13px; min-width: 150px; flex: 3 auto"/>
michael@0 99 </div>
michael@0 100
michael@0 101 </body>
michael@0 102 </html>

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