public function testMixedKeyNormalization() {
		$input = array('"string"' => array('before' => '=>'), 1 => array('before' => '=>'));
		$result = Set::normalize($input);
		$this->assertEqual($input, $result);

		$input = 'Foo,Bar,Baz';
		$result = Set::normalize($input);
		$this->assertEqual(array('Foo' => null, 'Bar' => null, 'Baz' => null), $result);

		$input = array('baz' => 'foo', 'bar');
		$result = Set::normalize($input, false);
		$this->assertEqual(array('baz' => 'foo', 'bar' => null), $result);
	}