25 lines
890 B
HTML
25 lines
890 B
HTML
<html>
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<head>
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<style>
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@media all { #test { color: green; } }
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</style>
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<script src="../../../resources/js-test-pre.js"></script>
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</head>
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<body>
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<div id="test"></div>
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<script>
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description("Test that CSS stylesheets lacking wrappers are pruned from detached CSSOM subtrees. " +
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"This is surprising behavior, but it's a very rare situation, and the behavior actually matches " +
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"what both WebKit and Gecko do for DOM nodes in detached subtrees.");
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shouldBe('getMatchedCSSRules(document.getElementById("test")).length', '1');
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rule = getMatchedCSSRules(document.getElementById("test")).item(0);
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debug("Removing <style>...");
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document.head.removeChild(document.getElementsByTagName("style")[0]);
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shouldBe("rule.parentRule", "null");
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shouldBe('getMatchedCSSRules(document.getElementById("test"))', 'null');
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</script>
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<script src="../../../resources/js-test-post.js"></script>
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</body>
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</html>
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