function testIPUtils()
{
$IPUtils = new IPUtils();
$range = $IPUtils->CIDR2List("70.84.23.0/24");
$this->assertTrue(count($range) == 256, "CIDR converted to range");
$range = $IPUtils->IPRange2List("192.168.1.1-10");
$this->assertTrue(count($range) == 10, "Range converted to list");
$subnet_mask = $IPUtils->Bits2SubnetMask(24);
$this->assertTrue($subnet_mask == "255.255.255.0", "Subnet mask successfully generated");
$subnet_mask = $IPUtils->Bits2SubnetMask(27);
$this->assertTrue($subnet_mask == "255.255.255.224", "Subnet mask successfully generated");
$binary = $IPUtils->IP2bin("205.18.18.0");
$this->assertTrue($binary == "11001101000100100001001000000000", "Binary IP successfully generated");
$normal = $IPUtils->Bin2IP($binary);
$this->assertTrue($normal == "205.18.18.0", "IP successfully generated from binary string");
$bits = $IPUtils->SubnetMask2Bits("255.255.255.240");
$this->assertTrue($bits == 28, "Netbits successfully generated");
$subnets = $IPUtils->SplitSubnet("205.18.18.0", 24, 26);
$this->assertTrue($subnets[26][0] == "205.18.18.128" && $subnets[26][1] == "205.18.18.192", "/24 Subnet successfully splited");
$subnets = $IPUtils->SplitSubnet("205.18.0.0", 16, 23);
$this->assertTrue($subnets[23][0] == "205.18.252.0" && $subnets[23][1] == "205.18.254.0", "/16 Subnet successfully splited");
$subnets = $IPUtils->SplitSubnet("205.0.0.0", 8, 20);
$this->assertTrue($subnets[20][0] == "205.255.224.0" && $subnets[20][1] == "205.255.240.0", "/8 Subnet successfully splited");
$subnets = $IPUtils->SplitSubnet("205.127.0.0", 9, 16);
$this->assertTrue($subnets[16][0] == "205.126.0.0" && $subnets[16][1] == "205.127.0.0", "/9 Subnet successfully splited");
}
