@Test
public void testWithMultipleSubnetAndIPs() throws IOException {

  String[] ips = {"10.119.103.112", "10.221.102.0/23", "10.222.0.0/16",
  "10.113.221.221"};
  createFileWithEntries ("ips.txt", ips);
  IPList ipList = new FileBasedIPList("ips.txt");
  assertTrue ("10.119.103.112 is not in the list",
      ipList.isIn("10.119.103.112"));
  assertFalse ("10.119.103.113 is in the list",
      ipList.isIn("10.119.103.113"));
  assertTrue ("10.221.103.121 is not in the list",
      ipList.isIn("10.221.103.121"));
  assertFalse("10.221.104.0 is in the list",
      ipList.isIn("10.221.104.0"));
  assertTrue ("10.222.103.121 is not in the list",
      ipList.isIn("10.222.103.121"));
  assertFalse("10.223.104.0 is in the list",
      ipList.isIn("10.223.104.0"));
  assertTrue ("10.113.221.221 is not in the list",
      ipList.isIn("10.113.221.221"));
  assertFalse("10.113.221.222 is in the list",
      ipList.isIn("10.113.221.222"));
}