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comparison: layout/reftests/w3c-css/submitted/flexbox/flexbox-items-as-stacking-contexts-2.html
layout/reftests/w3c-css/submitted/flexbox/flexbox-items-as-stacking-contexts-2.html
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- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
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| 1 <!DOCTYPE html> | |
| 2 <!-- | |
| 3 Any copyright is dedicated to the Public Domain. | |
| 4 http://creativecommons.org/publicdomain/zero/1.0/ | |
| 5 --> | |
| 6 <!-- This testcase checks flex items are painted atomically. In particular, | |
| 7 if one item has content that overflows into the region of another item, | |
| 8 then one item is painted "behind" the other; there shouldn't normally | |
| 9 any interleaving of backgrounds and content between the two items. | |
| 10 | |
| 11 This testcase also tests some special cases that will change the paint | |
| 12 ordering - specifically, the properties "position", "z-index", and | |
| 13 "order" on flex items. | |
| 14 --> | |
| 15 <!-- This was resolved by the CSSWG in April 2013: | |
| 16 http://krijnhoetmer.nl/irc-logs/css/20130403#l-455 --> | |
| 17 <html> | |
| 18 <head> | |
| 19 <title>CSS Test: Testing that flex items paint as pseudo-stacking contexts (like inline-blocks): atomically, in the absence of 'z-index' on descendants</title> | |
| 20 <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> | |
| 21 <link rel="help" href="http://www.w3.org/TR/css3-flexbox/#painting"> | |
| 22 <link rel="match" href="flexbox-items-as-stacking-contexts-2-ref.html"> | |
| 23 <style> | |
| 24 body { font: 10px sans-serif } | |
| 25 .flexContainer { | |
| 26 background: orange; | |
| 27 display: flex; | |
| 28 justify-content: space-between; | |
| 29 width: 70px; | |
| 30 padding: 2px; | |
| 31 margin-bottom: 2px; | |
| 32 } | |
| 33 .item1 { | |
| 34 background: lightblue; | |
| 35 width: 30px; | |
| 36 } | |
| 37 .item2 { | |
| 38 background: yellow; | |
| 39 width: 30px; | |
| 40 } | |
| 41 </style> | |
| 42 </head> | |
| 43 <body> | |
| 44 <!-- This container has two flex items, the first of which has content | |
| 45 sticking out & overlapping the second. If they're painting atomically | |
| 46 (and in the right order), the second item's background should cover the | |
| 47 first item's overflowing content. --> | |
| 48 <div class="flexContainer" | |
| 49 ><div class="item1">ThisIsALongUnbrokenString</div | |
| 50 ><div class="item2">HereIsSomeMoreLongText</div | |
| 51 ></div> | |
| 52 | |
| 53 <!-- Now, the first item is relatively positioned, which should make it paint | |
| 54 on top of everything. --> | |
| 55 <div class="flexContainer" | |
| 56 ><div class="item1" style="position:relative">ThisIsALongUnbrokenString</div | |
| 57 ><div class="item2">HereIsSomeMoreLongText</div | |
| 58 ></div> | |
| 59 | |
| 60 <!-- Now, the first item is has "z-index" set, which should make it paint on | |
| 61 top of everything. --> | |
| 62 <div class="flexContainer" | |
| 63 ><div class="item1" style="z-index: 1">ThisIsALongUnbrokenString</div | |
| 64 ><div class="item2">HereIsSomeMoreLongText</div | |
| 65 ></div> | |
| 66 | |
| 67 <!-- Now, the first item has "order" set to a higher value than default, | |
| 68 which should make it paint on top (and at the far right) --> | |
| 69 <div class="flexContainer" | |
| 70 ><div class="item1" style="order: 1">ThisIsALongUnbrokenString</div | |
| 71 ><div class="item2">HereIsSomeMoreLongText</div | |
| 72 ></div> | |
| 73 | |
| 74 <!-- And for thoroughness, let's set "order" to a lower value than default, | |
| 75 on the second item. (Should render the same as previous example.) --> | |
| 76 <div class="flexContainer" | |
| 77 ><div class="item1">ThisIsALongUnbrokenString</div | |
| 78 ><div class="item2" style="order: -1">HereIsSomeMoreLongText</div | |
| 79 ></div> | |
| 80 | |
| 81 <!-- ...but if we relatively position that second item, it should paint | |
| 82 on top again, despite its low "order" value. --> | |
| 83 <div class="flexContainer" | |
| 84 ><div class="item1">ThisIsALongUnbrokenString</div | |
| 85 ><div class="item2" style="order: -1; position: relative">HereIsSomeMoreLongText</div | |
| 86 ></div> | |
| 87 </body> | |
| 88 </html> |
