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16 lines
752 B
HTML
16 lines
752 B
HTML
<!DOCTYPE html>
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<title>Deleting a @namespace rule when list contains anything other than @import or @namespace rules should throw InvalidStateError.</title>
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<link rel="help" href="https://drafts.csswg.org/cssom-1/#remove-a-css-rule">
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<script src="../../resources/testharness.js"></script>
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<script src="../../resources/testharnessreport.js"></script>
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<style>
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@namespace a url();
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</style>
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<script>
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test(function () {
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let styleSheet = document.styleSheets[0];
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styleSheet.cssRules[0];
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styleSheet.insertRule(`b {}`, 1);
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assert_throws_dom("InvalidStateError", () => styleSheet.deleteRule(0));
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}, "Deleting a @namespace rule when list contains anything other than @import or @namespace rules should throw InvalidStateError.");
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</script>
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