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| 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/x
html1/DTD/xhtml1-strict.dtd"> |
| 2 |
| 3 <html xmlns="http://www.w3.org/1999/xhtml"> |
| 4 |
| 5 <head> |
| 6 |
| 7 <title>CSS Writing Modes Test: position absolute and 'vertical-lr' - 'left: au
to', 'width: auto' and 'right: auto' with 'direction: rtl' in initial containing
block</title> |
| 8 |
| 9 <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserB
ugsSection/css21testsuite/" /> |
| 10 <link rel="help" href="http://www.w3.org/TR/css-writing-modes-3/#vertical-layo
ut" title="7.1 Principles of Layout in Vertical Writing Modes" /> |
| 11 <link rel="match" href="abs-pos-non-replaced-icb-vrl-004-ref.xht" /> |
| 12 |
| 13 <meta content="image" name="flags" /> |
| 14 <meta content="This test checks that when the initial containing block's writi
ng-mode is 'horizontal-tb' and its 'direction' is 'rtl', then an absolutely posi
tioned box (with 'left: auto', 'width: auto' and 'right: auto') whose containing
block is the initial containing block must set 'right' to the static position.
Whether such absolutely positioned box's 'writing-mode' is vertical or not is ir
relevant." name="assert" /> |
| 15 |
| 16 <style type="text/css"><![CDATA[ |
| 17 html |
| 18 { |
| 19 direction: rtl; |
| 20 } |
| 21 |
| 22 img |
| 23 { |
| 24 vertical-align: top; |
| 25 } |
| 26 |
| 27 div#green-overlapping-test |
| 28 { |
| 29 border-left: green solid 25px; |
| 30 border-right: green solid 75px; |
| 31 height: 100px; |
| 32 left: auto; |
| 33 position: absolute; |
| 34 right: auto; |
| 35 width: auto; |
| 36 -webkit-writing-mode: vertical-lr; |
| 37 } |
| 38 |
| 39 /* |
| 40 " |
| 41 If all three of 'left', 'width', and 'right' are 'auto': First set any 'auto'
values for 'margin-left' and 'margin-right' to 0. Then, if the 'direction' prope
rty of the element establishing the static-position containing block is 'ltr' se
t 'left' to the static position and apply rule number three below; otherwise, se
t 'right' to the static position and apply rule number one below. |
| 42 (...) |
| 43 1. 'left' and 'width' are 'auto' and 'right' is not 'auto', then the width is
shrink-to-fit. Then solve for 'left' |
| 44 " |
| 45 10.3.7 Absolutely positioned, non-replaced elements |
| 46 http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width |
| 47 |
| 48 So: |
| 49 |
| 50 auto : left |
| 51 + |
| 52 0px : margin-left |
| 53 + |
| 54 25px : border-left-width |
| 55 + |
| 56 0px : padding-left |
| 57 + |
| 58 auto : width |
| 59 + |
| 60 0px : padding-right |
| 61 + |
| 62 75px : border-right-width |
| 63 + |
| 64 0px : margin-right |
| 65 + |
| 66 auto : right |
| 67 ==================== |
| 68 : width of containing block (width of Initial Containing Block) |
| 69 |
| 70 becomes |
| 71 |
| 72 solve : left |
| 73 + |
| 74 0px : margin-left |
| 75 + |
| 76 25px : border-left-width |
| 77 + |
| 78 0px : padding-left |
| 79 + |
| 80 0px : width (shrink-to-fit) |
| 81 + |
| 82 0px : padding-right |
| 83 + |
| 84 75px : border-right-width |
| 85 + |
| 86 0px : margin-right |
| 87 + |
| 88 8px : right |
| 89 ==================== |
| 90 : width of containing block (width of Initial Containing Block) |
| 91 */ |
| 92 |
| 93 div#red-overlapped-reference |
| 94 { |
| 95 background-color: red; |
| 96 height: 100px; |
| 97 position: relative; |
| 98 width: 100px; |
| 99 z-index: -1; |
| 100 } |
| 101 ]]></style> |
| 102 </head> |
| 103 |
| 104 <body> |
| 105 |
| 106 <p><img src="support/pass-cdts-abs-pos-non-replaced.png" width="246" height="3
6" alt="Image download support must be enabled" /></p> |
| 107 |
| 108 <!-- |
| 109 The image says: |
| 110 Test passes if there is a filled green square and <strong>no red</strong>. |
| 111 --> |
| 112 |
| 113 <div id="green-overlapping-test"></div> |
| 114 |
| 115 <div id="red-overlapped-reference"></div> |
| 116 |
| 117 </body> |
| 118 </html> |
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Chromium Code Reviews
Issue 1157103007:
update-w3c-deps import using blink b712b6ce0eb599d90d890aa609f596c7852fb824 (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master