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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 iframe 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 iframe flex it
ems 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-iframe-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 iframe { |
| 25 min-width: 0; |
| 26 width: 10px; |
| 27 height: 20px; |
| 28 border: 1px dotted green; |
| 29 } |
| 30 </style> |
| 31 </head> |
| 32 <body> |
| 33 |
| 34 <!-- A) One flex item --> |
| 35 <div class="flexbox"> |
| 36 <iframe/> |
| 37 </div> |
| 38 |
| 39 <!-- B) Text and an iframe (ensure they aren't merged into one flex item) |
| 40 --> |
| 41 <div class="flexbox"> |
| 42 some words <iframe/> |
| 43 </div> |
| 44 |
| 45 <!-- C) Two iframe elements, getting stretched by different ratios, from 0. |
| 46 |
| 47 Space-to-be-distributed = 200px - borders = 200 - (1 + 1) - (1 + 1) |
| 48 = 196px |
| 49 |
| 50 1st element gets 5/8 of space: 5/8 * 196px = 122.5px |
| 51 1st element gets 3/8 of space: 3/8 * 196px = 73.5px |
| 52 --> |
| 53 <div class="flexbox"> |
| 54 <iframe style="flex: 5"/> |
| 55 <iframe style="flex: 3"/> |
| 56 </div> |
| 57 |
| 58 <!-- D) Two iframe elements, getting stretched by different ratios, from |
| 59 different flex bases. |
| 60 |
| 61 Space-to-be-distributed = 200px - (33 + 1 + 1) - (13 + 1 + 1) = 150px |
| 62 1st element gets 2/5 of space: 33px + 2/5 * 150px = 93px |
| 63 1st element gets 3/5 of space: 13px + 3/5 * 150px = 103px |
| 64 --> |
| 65 <div class="flexbox"> |
| 66 <iframe style="width: 33px; flex: 2 auto"/> |
| 67 <iframe style="width: 13px; flex: 3 auto"/> |
| 68 </div> |
| 69 |
| 70 <!-- E) Two flex items, getting shrunk by different amounts. |
| 71 |
| 72 Space-to-be-distributed = 200px - (150 + 1 + 1) - (100 + 1 + 1) = -54px |
| 73 First element scaled flex ratio = 4 * 150 = 600 |
| 74 Second element scaled flex ratio = 3 * 100 = 300 |
| 75 * So, total flexibility is 600 + 300 = 900 |
| 76 |
| 77 1st element gets 600/900 of space: 150 + 600/900 * -54 = 114px |
| 78 2nd element gets 300/900 of space: 100 + 300/900 * -54 = 82px |
| 79 --> |
| 80 <div class="flexbox"> |
| 81 <iframe style="width: 150px; flex: 1 4 auto"/> |
| 82 <iframe style="width: 100px; flex: 1 3 auto"/> |
| 83 </div> |
| 84 |
| 85 <!-- F) Making sure we don't grow past max-width --> |
| 86 <!-- Same as (D), except we've added a max-width on the second element. |
| 87 --> |
| 88 <div class="flexbox"> |
| 89 <iframe style="width: 33px; flex: 2 auto"/> |
| 90 <iframe style="width: 13px; max-width: 90px; flex: 3 auto"/> |
| 91 </div> |
| 92 |
| 93 <!-- G) Making sure we grow at least as large as min-width --> |
| 94 <!-- Same as (C), except we've added a min-width on the second element. |
| 95 --> |
| 96 <div class="flexbox"> |
| 97 <iframe style="width: 33px; flex: 2 auto"/> |
| 98 <iframe style="width: 13px; min-width: 150px; flex: 3 auto"/> |
| 99 </div> |
| 100 |
| 101 </body> |
| 102 </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