29 lines
1.2 KiB
HTML
29 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<link rel="author" title="Morten Stenshorne" href="mstensho@chromium.org">
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<link rel="help" href="https://www.w3.org/TR/CSS22/visudet.html#containing-block-details">
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<link rel="help" href="https://www.w3.org/TR/CSS22/visuren.html#anonymous-block-level">
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<p>There should be a green square below, and no red.</p>
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<div style="position:relative; width:100px; height:100px; background:red;">
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<span id="posMe">
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<div id="removeMe"></div>
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</span>
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<span>
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<div>
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<div id="target" style="position:absolute; width:100%; height:100%; background:green;"></div>
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</div>
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</span>
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</div>
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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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test(()=> {
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document.body.offsetTop;
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removeMe.style.display = "none";
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document.body.offsetTop;
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posMe.style.position = "relative";
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assert_equals(document.getElementById("target").offsetWidth, 100);
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assert_equals(document.getElementById("target").offsetHeight, 100);
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assert_equals(document.getElementById("target").offsetLeft, 0);
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assert_equals(document.getElementById("target").offsetTop, 0);
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}, "Make sure that we're sized by the right ancestor");
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</script>
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