--- /dev/null
+#!/usr/bin/python
+
+
+from pydhcplib.type_ipv4 import ipv4
+
+
+address = ipv4()
+print "a0 : ",address
+
+address1 = ipv4("192.168.0.1")
+print "a1 : ",address1
+
+address2 = ipv4("10.0.0.1")
+print "a2 : ",address2
+
+address3 = ipv4([192,168,0,1])
+print "a3 : ",address3
+
+
+
+if address1 == address2 : print "test 1 : ",address1, "==",address2
+else : print "test 1 : " ,address1, "!=",address2
+
+if address1 == address3 : print "test 2 : ", address1, "==",address3
+else : print "test 2 : ", address1, "!=",address3
+
+
+