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add wpt tests
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<!doctype html>
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<meta charset="utf-8">
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<meta name=timeout content=long>
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<title>NodeList (static collection) "length" getter tampered (Array.prototype.indexOf)</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<body>
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<script src="support/NodeList-static-length-tampered.js"></script>
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<script>
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test(() => {
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const nodeList = makeStaticNodeList(100);
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for (var i = 0; i < 50; i++) {
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if (i === 25)
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Object.setPrototypeOf(nodeList, { get length() { return 10; } });
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assert_equals(arrayIndexOfNodeList(nodeList), i >= 25 ? -1 : 50);
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}
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});
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</script>
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