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18 lines
615 B
HTML
18 lines
615 B
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Test for ...</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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<div id="log"></div>
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<script>
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test(function() {
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assert_throws(new TypeError, function() {
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Object.setPrototypeOf(window, Object.create(window));
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}, "Setting prototype via setPrototypeOf");
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assert_throws(new TypeError, function() {
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window.__proto__ = Object.create(window);
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}, "Setting prototype via __proto__");
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}, "Setting the prototype of a window to something that has the window on its proto chain should throw");
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</script>
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