netbird/client/internal/dns/service_memory_test.go
2025-02-20 13:22:03 +01:00

34 lines
678 B
Go

package dns
import (
"net"
"testing"
nbnet "github.com/netbirdio/netbird/util/net"
)
func TestGetLastIPFromNetwork(t *testing.T) {
tests := []struct {
addr string
ip string
}{
{"2001:db8::/32", "2001:db8:ffff:ffff:ffff:ffff:ffff:fffe"},
{"192.168.0.0/30", "192.168.0.2"},
{"192.168.0.0/16", "192.168.255.254"},
{"192.168.0.0/24", "192.168.0.254"},
}
for _, tt := range tests {
_, ipnet, err := net.ParseCIDR(tt.addr)
if err != nil {
t.Errorf("Error parsing CIDR: %v", err)
return
}
lastIP := nbnet.GetLastIPFromNetwork(ipnet, 1).String()
if lastIP != tt.ip {
t.Errorf("wrong IP address, expected %s: got %s", tt.ip, lastIP)
}
}
}