public function testGetPortDoesNotReturnPortInUse()
{
$util = new PortUtil();
$port = $util->getPort();
$this->assertFalse($util->isPortInUse($port));
// Find a listening local port, try getPort() on the port number and
// test that a new number is returned.
exec('lsof -sTCP:LISTEN -i@127.0.0.1 -P -n', $output, $returnVar);
if ($returnVar === 0 && preg_match('/127\\.0\\.0\\.1:([0-9]+)/', end($output), $matches)) {
$openPort = $matches[1];
$this->assertNotEquals($util->getPort($openPort), $openPort);
} else {
$this->markTestIncomplete('Failed to find open port');
}
}
