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LibWeb: Parse the position-try-fallbacks property

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This commit is contained in:
Tim Ledbetter
2025-10-01 19:04:10 +01:00
committed by Sam Atkins
parent 27cdf3a2c8
commit 2bde14b148
Notes: github-actions[bot] 2025-10-07 10:31:51 +00:00 
Author: https://github.com/tcl3
Commit: https://github.com/LadybirdBrowser/ladybird/commit/2bde14b1484
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6363
Reviewed-by: https://github.com/AtkinsSJ ✅
13 changed files with 520 additions and 226 deletions
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33
Tests/LibWeb/Text/input/wpt-import/css/css-anchor-position/parsing/position-try-fallbacks-computed.html Normal file
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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Anchor Positioning Test: Computed position-try-fallbacks</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#position-try-fallbacks">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/computed-testcommon.js"></script>
<script src="../../../css/support/inheritance-testcommon.js"></script>
<div id="container">
<div id="target"></div>
</div>
<script>
test_computed_value("position-try-fallbacks", "none");
test_computed_value("position-try-fallbacks", "flip-block");
test_computed_value("position-try-fallbacks", "flip-inline");
test_computed_value("position-try-fallbacks", "flip-start");
test_computed_value("position-try-fallbacks", "flip-block, flip-inline");
test_computed_value("position-try-fallbacks", "--foo, --bar");
test_computed_value("position-try-fallbacks", "flip-start flip-inline flip-block");
test_computed_value("position-try-fallbacks", "flip-start --flop", "--flop flip-start");
test_computed_value("position-try-fallbacks", "--flop flip-start");
test_computed_value("position-try-fallbacks", "left top");
test_computed_value("position-try-fallbacks", "top left", "left top");
test_computed_value("position-try-fallbacks", "start start", "start");
test_computed_value("position-try-fallbacks", "left, right");
test_computed_value("position-try-fallbacks", "--foo, left");
test_computed_value("position-try-fallbacks", "--foo, left, --bar");
test_computed_value("position-try-fallbacks", "--foo, flip-start, left");
test_computed_value("position-try-fallbacks", "--foo flip-start, left");
test_computed_value("position-try-fallbacks", "left, --bar flip-start");
assert_not_inherited("position-try-fallbacks", "none", "flip-inline");
</script>

54
Tests/LibWeb/Text/input/wpt-import/css/css-anchor-position/parsing/position-try-fallbacks-parsing.html Normal file
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<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Anchor Positioning Test: Parsing of position-try-fallbacks</title>
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#position-try-fallbacks">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/parsing-testcommon.js"></script>
<div id="target"></div>
<script>
test_valid_value("position-try-fallbacks", "initial");
test_valid_value("position-try-fallbacks", "inherit");
test_valid_value("position-try-fallbacks", "unset");
test_valid_value("position-try-fallbacks", "revert");
test_valid_value("position-try-fallbacks", "none");
test_valid_value("position-try-fallbacks", "flip-block");
test_valid_value("position-try-fallbacks", "flip-block ", 'flip-block');
test_valid_value("position-try-fallbacks", "flip-start, flip-block");
test_valid_value("position-try-fallbacks", "flip-start flip-inline, flip-block");
test_valid_value("position-try-fallbacks", "flip-start, flip-start");
test_valid_value("position-try-fallbacks", "flip-start flip-inline flip-block");
test_valid_value("position-try-fallbacks", "flip-block, --foo");
test_valid_value("position-try-fallbacks", "--bar, flip-block flip-start");
test_valid_value("position-try-fallbacks", "--foo, --bar, --baz");
test_valid_value("position-try-fallbacks", "--bar flip-block");
test_valid_value("position-try-fallbacks", "--bar flip-inline flip-block");
test_valid_value("position-try-fallbacks", "flip-inline --foo", "--foo flip-inline");
test_valid_value("position-try-fallbacks", "flip-inline flip-start --foo", "--foo flip-inline flip-start");
test_valid_value("position-try-fallbacks", "left top");
test_valid_value("position-try-fallbacks", "top left", "left top");
test_valid_value("position-try-fallbacks", "start start", "start");
test_valid_value("position-try-fallbacks", "left, right");
test_valid_value("position-try-fallbacks", "--foo, left");
test_valid_value("position-try-fallbacks", "--foo, left, --bar");
test_valid_value("position-try-fallbacks", "--foo, flip-start, left");
test_valid_value("position-try-fallbacks", "--foo flip-start, left");
test_valid_value("position-try-fallbacks", "left, --bar flip-start");
test_invalid_value("position-try-fallbacks", "none, flip-start");
test_invalid_value("position-try-fallbacks", "flip-block flip-block");
test_invalid_value("position-try-fallbacks", "flip-block flip-inline flip-inline");
test_invalid_value("position-try-fallbacks", "flip-block, flip-inline flip-inline");
test_invalid_value("position-try-fallbacks", "--bar flip-block --foo");
test_invalid_value("position-try-fallbacks", "--foo --bar");
test_invalid_value("position-try-fallbacks", "flip-inline --bar flip-block");
test_invalid_value("position-try-fallbacks", "-foo");
test_invalid_value("position-try-fallbacks", "foo");
test_invalid_value("position-try-fallbacks", "flip-start 123");
test_invalid_value("position-try-fallbacks", "--foo 123");
test_invalid_value("position-try-fallbacks", "--foo left");
test_invalid_value("position-try-fallbacks", "flip-start left");
test_invalid_value("position-try-fallbacks", "left --foo ");
test_invalid_value("position-try-fallbacks", "left flip-start");
test_invalid_value("position-try-fallbacks", "--foo, none");
</script>