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| 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 textarea 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 textarea flex
items in a vertical 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-textarea-vert-001-ref.xhtml"/> |
| 15 <style> |
| 16 div.flexbox { |
| 17 height: 200px; |
| 18 background: lightgreen; |
| 19 display: flex; |
| 20 justify-content: space-between; |
| 21 flex-direction: column; |
| 22 float: left; |
| 23 margin-right: 10px; |
| 24 font: 8px monospace; |
| 25 } |
| 26 textarea { |
| 27 width: 20px; |
| 28 height: 10px; |
| 29 min-height: 0; |
| 30 background: white; |
| 31 border-radius: 0; |
| 32 border: 1px dotted green; |
| 33 margin: 0; |
| 34 padding: 0; |
| 35 } |
| 36 </style> |
| 37 </head> |
| 38 <body> |
| 39 |
| 40 <!-- A) One flex item --> |
| 41 <div class="flexbox"> |
| 42 <textarea/> |
| 43 </div> |
| 44 |
| 45 <!-- B) Text and a textarea (ensure they aren't merged into one flex item) |
| 46 --> |
| 47 <div class="flexbox"> |
| 48 a b <textarea/> |
| 49 </div> |
| 50 |
| 51 <!-- C) Two textarea elements, getting stretched by different ratios, |
| 52 from 0. |
| 53 |
| 54 Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1) |
| 55 = 196px |
| 56 |
| 57 1st element gets 5/8 of space: 5/8 * 196px = 122.5px |
| 58 1st element gets 3/8 of space: 3/8 * 196px = 73.5px |
| 59 --> |
| 60 <div class="flexbox"> |
| 61 <textarea style="flex: 5"/> |
| 62 <textarea style="flex: 3"/> |
| 63 </div> |
| 64 |
| 65 <!-- D) Two textarea elements, getting stretched by different ratios, from |
| 66 different flex bases. |
| 67 |
| 68 Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px |
| 69 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px |
| 70 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px |
| 71 --> |
| 72 <div class="flexbox"> |
| 73 <textarea style="height: 33px; flex: 2 auto"/> |
| 74 <textarea style="height: 13px; flex: 3 auto"/> |
| 75 </div> |
| 76 |
| 77 <!-- E) Two flex items, getting shrunk by different amounts. |
| 78 |
| 79 Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px |
| 80 First element scaled flex ratio = 4 * 150 = 600 |
| 81 Second element scaled flex ratio = 3 * 100 = 300 |
| 82 * So, total flexibility is 600 + 300 = 900 |
| 83 |
| 84 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px |
| 85 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px |
| 86 --> |
| 87 <div class="flexbox"> |
| 88 <textarea style="height: 150px; flex: 1 4 auto"/> |
| 89 <textarea style="height: 100px; flex: 1 3 auto"/> |
| 90 </div> |
| 91 |
| 92 <!-- F) Making sure we don't grow past max-height --> |
| 93 <!-- Same as (D), except we've added a max-height on the second element. |
| 94 --> |
| 95 <div class="flexbox"> |
| 96 <textarea style="height: 33px; flex: 2 auto"/> |
| 97 <textarea |
| 98 style="height: 13px; max-height: 90px; flex: 3 auto"/> |
| 99 </div> |
| 100 |
| 101 <!-- G) Making sure we grow at least as large as min-height --> |
| 102 <!-- Same as (C), except we've added a min-height on the second element. |
| 103 --> |
| 104 <div class="flexbox"> |
| 105 <textarea style="height: 33px; flex: 2 auto"/> |
| 106 <textarea |
| 107 style="height: 13px; min-height: 150px; flex: 3 auto"/> |
| 108 </div> |
| 109 |
| 110 </body> |
| 111 </html> |
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Chromium Code Reviews
Issue 1705363002:
Import Mozilla's flexbox tests from csswg-test (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master