Automatic update from web-platform-tests script: Fix `offsetParent` on `<html>` and `<body>` elements We were returning null for all `<html>` elements, but now we will check for the root element instead. We were also returning null for "the body element", now we will return null for all `<body>` elements even if they aren't "the body element". Co-authored-by: Martin Robinson <mrobinson@igalia.com> Signed-off-by: Oriol Brufau <obrufau@igalia.com> -- wpt-commits: aee09e1afd73b00627c0cb261fa445471c9d4560 wpt-pr: 54951
48 lines
1.8 KiB
HTML
48 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>CSSOM View: offsetParent</title>
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<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com">
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<link rel="help" href="https://drafts.csswg.org/cssom-view-1/#dom-htmlelement-offsetparent">
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<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/12834">
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<meta name="assert" content="Checks offsetParent on <body> and <html> elements.">
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<style>html, body { position: relative }</style>
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<body>
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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>
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const root = document.documentElement;
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const other_html = document.createElement("html");
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const other_body_1 = document.createElement("body");
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const other_body_2 = document.createElement("body");
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const other_body_3 = document.createElement("body");
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other_body_2.append(other_body_3);
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other_html.append(other_body_2);
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root.append(other_html, other_body_1);
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test(() => {
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assert_equals(root.offsetParent, null);
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}, "The offsetParent of the root element is null");
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test(() => {
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assert_equals(other_html.offsetParent, root);
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}, "The offsetParent of a <html> element which is not the root is computed normally");
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test(() => {
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assert_equals(document.body.offsetParent, null);
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}, "The offsetParent of 'the body element' is null");
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test(() => {
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assert_equals(other_body_1.offsetParent, null);
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}, "The offsetParent of a <body> element which has a previous <body> sibling is also null");
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test(() => {
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assert_equals(other_body_2.offsetParent, null);
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}, "The offsetParent of a <body> element which is a child of a non-root <html> is also null");
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test(() => {
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assert_equals(other_body_3.offsetParent, null);
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}, "The offsetParent of a <body> element which is a child of a non-<html> is also null");
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</script>
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</body>
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