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The reason why we use RelaxedAtomBoolis that ScrollSnapUtils::GetSnapPointForDestination() is called both from the main and the compositor threads, and the function will have a branch depending on the pref value. Differential Revision: https://phabricator.services.mozilla.com/D20101 --HG-- extra : moz-landing-system : lando
44 lines
1.5 KiB
HTML
44 lines
1.5 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>CSS Scroll Snap Test: scroll-margin with valid values</title>
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap-1/#propdef-scroll-margin">
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<meta name="assert" content="scroll-margin supports the full grammar '<length>{1,4}'.">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/css/support/parsing-testcommon.js"></script>
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</head>
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<body>
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<script>
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test_valid_value("scroll-margin-top", "0", "0px");
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test_valid_value("scroll-margin-top", "-10px");
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test_valid_value("scroll-margin-top", "calc(2em + 3ex)");
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test_valid_value("scroll-margin-right", "0", "0px");
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test_valid_value("scroll-margin-right", "-10px");
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test_valid_value("scroll-margin-right", "calc(2em + 3ex)");
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test_valid_value("scroll-margin-bottom", "0", "0px");
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test_valid_value("scroll-margin-bottom", "-10px");
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test_valid_value("scroll-margin-bottom", "calc(2em + 3ex)");
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test_valid_value("scroll-margin-left", "0", "0px");
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test_valid_value("scroll-margin-left", "-10px");
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test_valid_value("scroll-margin-left", "calc(2em + 3ex)");
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test_valid_value("scroll-margin", "0", "0px");
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test_valid_value("scroll-margin", "-10px");
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test_valid_value("scroll-margin", "calc(2em + 3ex)");
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test_valid_value("scroll-margin", "1px 2px");
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test_valid_value("scroll-margin", "1px 2px 3px");
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test_valid_value("scroll-margin", "1px 2px 3px 4px");
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test_valid_value("scroll-margin", "0 0 0 0", "0px");
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</script>
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</body>
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</html>
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