public function test()
{
$this->assertNotSpot('never_emit_spot();');
$this->assertHasSpot('clearstatcache();');
$this->assertHasSpot('realpath();');
$this->assertHasSpot('gd_info();');
$table = TestHelper::fetchProperty($this->change, 'arrFuncTable');
foreach ($table as $name => $dummy) {
$this->assertHasSpot($name . '();');
}
}