27 lines
924 B
HTML
27 lines
924 B
HTML
<!DOCTYPE html>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1870055
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-->
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<head>
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<title>Test for Logging of Declarative ShadowDOM attachment failure</title>
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<script type="text/javascript" src="head.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<script>
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SimpleTest.waitForExplicitFinish();
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document.addEventListener('DOMContentLoaded', async () => {
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SpecialPowers.pushPrefEnv({"set": [["dom.mutation_events.enabled", true]]}, () => {
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const node = document.createElement('div');
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document.documentElement.appendChild(node);
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document.addEventListener('DOMSubtreeModified', (e) => {
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node.setHTMLUnsafe('b');
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is(node.textContent, 'b', 'Re-entry into setHTMLUnsafe is valid');
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SimpleTest.finish();
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}, { once: true });
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node.setHTMLUnsafe('a');
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});
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});
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</script>
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