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) } }