open-consul/ipaddr/detect_test.go

49 lines
1.2 KiB
Go

package ipaddr
import (
"net"
"testing"
)
func TestIsPrivateIP(t *testing.T) {
tests := []struct {
ip string
private bool
}{
// IPv4 private addresses
{"10.0.0.1", true}, // private network address
{"100.64.0.1", true}, // shared address space
{"172.16.0.1", true}, // private network address
{"192.168.0.1", true}, // private network address
{"192.0.0.1", true}, // IANA address
{"192.0.2.1", true}, // documentation address
{"127.0.0.1", true}, // loopback address
{"169.254.0.1", true}, // link local address
// IPv4 public addresses
{"1.2.3.4", false},
// IPv6 private addresses
{"::1", true}, // loopback address
{"fe80::1", true}, // link local address
{"fc00::1", true}, // unique local address
{"fec0::1", true}, // site local address
{"2001:db8::1", true}, // documentation address
// IPv6 public addresses
{"2004:db6::1", false},
}
for _, tt := range tests {
t.Run(tt.ip, func(t *testing.T) {
ip := net.ParseIP(tt.ip)
if ip == nil {
t.Fatalf("%s is not a valid ip address", tt.ip)
}
if got, want := isPrivate(ip), tt.private; got != want {
t.Fatalf("got %v for %v want %v", got, ip, want)
}
})
}
}