Files
rust_browser/tests/external/wpt/fixtures/wpt-css-css-flexbox-flex-item-z-ordering-002-test.html
Zachary D. Rowitsch 16abbd78e7 Bulk-import 2899 WPT CSS reftests and add import tooling
Add scripts/import_wpt_reftests.py to sparse-clone the upstream WPT repo
and bulk-import qualifying CSS reftests (no JS, no external resources) as
known_fail entries. 23 tests already pass and are promoted. The import
script is idempotent and exposed via `just import-wpt`. CI now prints the
WPT summary (pass=36 known_fail=2877 skip=1) on every run.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-14 00:15:27 -05:00

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HTML

<!DOCTYPE html>
<title>Flex painting order with z-index</title>
<link rel="author" title="Martin Robinson" href="mailto:mrobinson@igalia.com">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#painting">
<meta name="assert"
content="z-index works on flex items even though they do not have `position: relative`" />
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<style>
#flex {
display: flex;
width: 100px;
height: 100px;
}
#flex > div {
width: 0px;
height: 0px;
}
#flex > div > div {
width: 100px;
height: 100px;
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.
</p>
<div id="flex">
<div><div style="background: green"></div></div>
<div style="z-index: -10"><div style="background: red;"></div></div>
</div>