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QUnit.test('Object.hasOwn', assert => {
const { create, hasOwn } = Object;
assert.isFunction(hasOwn);
assert.arity(hasOwn, 2);
assert.name(hasOwn, 'hasOwn');
assert.looksNative(hasOwn);
assert.nonEnumerable(Object, 'hasOwn');
assert.true(hasOwn({ q: 42 }, 'q'));
assert.false(hasOwn({ q: 42 }, 'w'));
assert.false(hasOwn(create({ q: 42 }), 'q'));
assert.true(hasOwn(Object.prototype, 'hasOwnProperty'));
let called = false;
try {
hasOwn(null, { toString() { called = true; } });
} catch { /* empty */ }
assert.false(called, 'modern behaviour');
assert.throws(() => hasOwn(null, 'foo'), TypeError, 'throws on null');
assert.throws(() => hasOwn(undefined, 'foo'), TypeError, 'throws on undefined');
});
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