public function testCallFunc()
{
$this->assertNotSpot('call_user_func_array();');
$this->assertNotSpot('call_user_func_array($a, array());');
$this->assertHasSpot('call_user_func_array($a, $b);');
$this->assertHasSpot('call_user_func_array($a, null);');
$this->assertHasSpot('call_user_func_array($a, "str");');
$this->assertHasSpot('call_user_func_array($a, 123);');
}