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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-flexbox/flexbox-items-as-stacking-contexts-003.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-flexbox/flexbox-items-as-stacking-contexts-003.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-flexbox/flexbox-items-as-stacking-contexts-003.html | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-flexbox/flexbox-items-as-stacking-contexts-003.html b/testing/web-platform/tests/css/css-flexbox/flexbox-items-as-stacking-contexts-003.html new file mode 100644 index 0000000000..5f0fd8ba35 --- /dev/null +++ b/testing/web-platform/tests/css/css-flexbox/flexbox-items-as-stacking-contexts-003.html @@ -0,0 +1,80 @@ +<!DOCTYPE html> +<!-- + Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ +--> +<!-- This testcase checks that flex items are painted as pseudo-stacking + contexts, instead of full stacking contexts. In other words, content + inside of one flex item should be able to iterleave between pieces of + content in another flex item, if we set appropriately interleaving + "z-index" values. --> +<!-- This was resolved by the CSSWG in April 2013: + http://krijnhoetmer.nl/irc-logs/css/20130403#l-455 --> +<html> +<head> + <title>CSS Test: Testing that flex items paint as pseudo-stacking contexts (like inline-blocks), instead of full stacking contexts: 'z-index' should let descendants interleave</title> + <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> + <link rel="help" href="http://www.w3.org/TR/css-flexbox-1/#painting"> + <link rel="match" href="flexbox-items-as-stacking-contexts-003-ref.html"> + <style> + .flexContainer { + background: orange; + display: flex; + justify-content: space-between; + width: 70px; + height: 20px; + padding: 2px; + margin-bottom: 2px; + } + .item1 { + background: lightblue; + width: 30px; + min-width: 0; /* disable default min-width:auto behavior */ + padding: 2px; + } + .item2 { + background: yellow; + width: 30px; + padding: 2px; + } + .grandchildA { + background: purple; + width: 80px; + height: 6px; + position: relative; + z-index: 10; + } + .grandchildB { + background: teal; + width: 80px; + height: 6px; + position: relative; + z-index: 20; + } + .grandchildC { + background: lime; + width: 20px; + height: 16px; + position: relative; + /* This z-index should interleave this content + between grandchildA and grandchildB: */ + z-index: 15; + } + </style> +</head> +<body> + <!-- This flex container's first flex item has content that overflows + and overlap the second flex item. The z-index values are set such + that this content should interleave; grandchildC should + paint on top of grandchildA, but underneath grandchildB. --> + <div class="flexContainer" + ><div class="item1" + ><div class="grandchildA"></div + ><div class="grandchildB"></div + ></div + ><div class="item2" + ><div class="grandchildC"></div + ></div + ></div> +</body> +</html> |