ip/ip_test.go

package ip

import (
	"net"
	"testing"
)

func TestIPInCidr(t *testing.T) {
	ip := NewIP()

	HandleIP(t, ip, "123.2.3.5", false)

	HandleIP(t, ip, "10.10.0.0", true)
	HandleIP(t, ip, "10.10.10.10", true)
	HandleIP(t, ip, "10.255.255.255", true)
	HandleIP(t, ip, "11.0.0.0", false)
	HandleIP(t, ip, "10.10.10.432", false)

	HandleIP(t, ip, "192.167.255.255", false)
	HandleIP(t, ip, "192.168.0.0", true)
	HandleIP(t, ip, "192.168.122.1", true)
	HandleIP(t, ip, "192.168.255.255", true)
	HandleIP(t, ip, "192.169.0.0", false)

	HandleIP(t, ip, "172.15.255.255", false)
	HandleIP(t, ip, "172.16.0.0", true)
	HandleIP(t, ip, "172.16.1.7", true)
	HandleIP(t, ip, "172.31.255.255", true)
	HandleIP(t, ip, "172.15.255.255", false)

	HandleIP(t, ip, "fcff:ffff:ffff:ffff:ffff:ffff:ffff:ffff", false)
	HandleIP(t, ip, "fd00::1", true)
	HandleIP(t, ip, "fd02::1", true)
	HandleIP(t, ip, "fdff::1", true)
	HandleIP(t, ip, "fe00::1", false)

}

func HandleIP(t *testing.T, ip *IP, addr string, assert bool) {
	res := ip.IsPrivate(net.ParseIP(addr))
	if res != assert {
		t.Errorf("Assertion (have: %s, should be %s) failed on IP %s", res, assert, addr)
	}
}