// -*- c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t -*-
// Copyright (c) 2001-2007 International Computer Science Institute
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software")
// to deal in the Software without restriction, subject to the conditions
// listed in the XORP LICENSE file. These conditions include: you must
// preserve this copyright notice, and you cannot mention the copyright
// holders in advertising related to the Software without their permission.
// The Software is provided WITHOUT ANY WARRANTY, EXPRESS OR IMPLIED. This
// notice is a summary of the XORP LICENSE file; the license in that file is
// legally binding.
#ident "$XORP: xorp/libxorp/test_ipv4.cc,v 1.27 2007/02/16 22:46:24 pavlin Exp $"
#include "libxorp_module.h"
#include "libxorp/xorp.h"
#include "libxorp/xlog.h"
#include "libxorp/exceptions.hh"
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include "ipv4.hh"
//
// XXX: MODIFY FOR YOUR TEST PROGRAM
//
static const char *program_name = "test_ipv4";
static const char *program_description = "Test IPv4 address class";
static const char *program_version_id = "0.1";
static const char *program_date = "December 2, 2002";
static const char *program_copyright = "See file LICENSE.XORP";
static const char *program_return_value = "0 on success, 1 if test error, 2 if internal error";
static bool s_verbose = false;
bool verbose() { return s_verbose; }
void set_verbose(bool v) { s_verbose = v; }
static int s_failures = 0;
bool failures() { return s_failures; }
void incr_failures() { s_failures++; }
//
// printf(3)-like facility to conditionally print a message if verbosity
// is enabled.
//
#define verbose_log(x...) _verbose_log(__FILE__,__LINE__, x)
#define _verbose_log(file, line, x...) \
do { \
if (verbose()) { \
printf("From %s:%d: ", file, line); \
printf(x); \
} \
} while(0)
//
// Test and print a message whether two strings are lexicographically same.
// The strings can be either C or C++ style.
//
#define verbose_match(s1, s2) \
_verbose_match(__FILE__, __LINE__, s1, s2)
bool
_verbose_match(const char* file, int line, const string& s1, const string& s2)
{
bool match = s1 == s2;
_verbose_log(file, line, "Comparing %s == %s : %s\n",
s1.c_str(), s2.c_str(), match ? "OK" : "FAIL");
if (match == false)
incr_failures();
return match;
}
//
// Test and print a message whether a condition is true.
//
// The first argument is the condition to test.
// The second argument is a string with a brief description of the tested
// condition.
//
#define verbose_assert(cond, desc) \
_verbose_assert(__FILE__, __LINE__, cond, desc)
bool
_verbose_assert(const char* file, int line, bool cond, const string& desc)
{
_verbose_log(file, line,
"Testing %s : %s\n", desc.c_str(), cond ? "OK" : "FAIL");
if (cond == false)
incr_failures();
return cond;
}
/**
* Print program info to output stream.
*
* @param stream the output stream the print the program info to.
*/
static void
print_program_info(FILE *stream)
{
fprintf(stream, "Name: %s\n", program_name);
fprintf(stream, "Description: %s\n", program_description);
fprintf(stream, "Version: %s\n", program_version_id);
fprintf(stream, "Date: %s\n", program_date);
fprintf(stream, "Copyright: %s\n", program_copyright);
fprintf(stream, "Return: %s\n", program_return_value);
}
/**
* Print program usage information to the stderr.
*
* @param progname the name of the program.
*/
static void
usage(const char* progname)
{
print_program_info(stderr);
fprintf(stderr, "usage: %s [-v] [-h]\n", progname);
fprintf(stderr, " -h : usage (this message)\n");
fprintf(stderr, " -v : verbose output\n");
}
/**
* Test IPv4 valid constructors.
*/
void
test_ipv4_valid_constructors()
{
// Test values for IPv4 address: "12.34.56.78"
const char *addr_string = "12.34.56.78";
uint32_t ui = htonl((12 << 24) | (34 << 16) | (56 << 8) | 78);
struct in_addr in_addr;
in_addr.s_addr = ui;
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
#ifdef HAVE_SIN_LEN
sin.sin_len = sizeof(sin);
#endif
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = ui;
struct sockaddr *sap = (struct sockaddr *)&sin;
//
// Default constructor.
//
IPv4 ip1;
verbose_match(ip1.str(), "0.0.0.0");
//
// Constructor from a string.
//
IPv4 ip2(addr_string);
verbose_match(ip2.str(), addr_string);
//
// Constructor from another IPv4 address.
//
IPv4 ip3(ip2);
verbose_match(ip3.str(), addr_string);
//
// Constructor from an integer value.
//
IPv4 ip4(ui);
verbose_match(ip4.str(), addr_string);
//
// Constructor from a (uint8_t *) memory pointer.
//
IPv4 ip5((uint8_t *)&ui);
verbose_match(ip5.str(), addr_string);
//
// Constructor from in_addr structure.
//
IPv4 ip6(in_addr);
verbose_match(ip6.str(), addr_string);
//
// Constructor from sockaddr structure.
//
IPv4 ip7(*sap);
verbose_match(ip7.str(), addr_string);
//
// Constructor from sockaddr_in structure.
//
IPv4 ip8(sin);
verbose_match(ip8.str(), addr_string);
}
/**
* Test IPv4 invalid constructors.
*/
void
test_ipv4_invalid_constructors()
{
// Test values for IPv4 address: "12.34.56.78"
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
#ifdef HAVE_SIN_LEN
sin.sin_len = sizeof(sin);
#endif
sin.sin_family = AF_UNSPEC; // Note: invalid IP address family
sin.sin_addr.s_addr = htonl((12 << 24) | (34 << 16) | (56 << 8) | 78);
struct sockaddr *sap = (struct sockaddr *)&sin;
//
// Constructor from an invalid address string.
//
try {
// Invalid address string: note the typo -- lack of a "dot" after "12"
IPv4 ip("1234.56.78");
verbose_log("Cannot catch invalid IP address \"1234.56.78\" : FAIL\n");
incr_failures();
UNUSED(ip);
} catch (const InvalidString& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
//
// Constructor from an invalid sockaddr structure.
//
try {
IPv4 ip(*sap);
verbose_log("Cannot catch invalid IP address family AF_UNSPEC : FAIL\n");
incr_failures();
UNUSED(ip);
} catch (const InvalidFamily& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
//
// Constructor from an invalid sockaddr_in structure.
//
try {
IPv4 ip(sin);
verbose_log("Cannot catch invalid IP address family AF_UNSPEC : FAIL\n");
incr_failures();
UNUSED(ip);
} catch (const InvalidFamily& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
}
/**
* Test IPv4 valid copy in/out methods.
*/
void
test_ipv4_valid_copy_in_out()
{
// Test values for IPv4 address: "12.34.56.78"
const char *addr_string4 = "12.34.56.78";
uint32_t ui = htonl((12 << 24) | (34 << 16) | (56 << 8) | 78);
struct in_addr in_addr;
in_addr.s_addr = ui;
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
#ifdef HAVE_SIN_LEN
sin.sin_len = sizeof(sin);
#endif
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = ui;
struct sockaddr *sap;
//
// Copy the IPv4 raw address to specified memory location.
//
IPv4 ip1(addr_string4);
uint8_t ip1_uint8[4];
verbose_assert(ip1.copy_out(&ip1_uint8[0]) == 4,
"copy_out(uint8_t *) for IPv4 address");
verbose_assert(memcmp(&ui, &ip1_uint8[0], 4) == 0,
"compare copy_out(uint8_t *) for IPv4 address");
//
// Copy the IPv4 raw address to an in_addr structure.
//
IPv4 ip3(addr_string4);
struct in_addr ip3_in_addr;
verbose_assert(ip3.copy_out(ip3_in_addr) == 4,
"copy_out(in_addr&) for IPv4 address");
verbose_assert(memcmp(&in_addr, &ip3_in_addr, 4) == 0,
"compare copy_out(in_addr&) for IPv4 address");
//
// Copy the IPv4 raw address to a sockaddr structure.
//
IPv4 ip5(addr_string4);
struct sockaddr_in ip5_sockaddr_in;
sap = (struct sockaddr *)&ip5_sockaddr_in;
verbose_assert(ip5.copy_out(*sap) == 4,
"copy_out(sockaddr&) for IPv4 address");
verbose_assert(memcmp(&sin, &ip5_sockaddr_in, sizeof(sin)) == 0,
"compare copy_out(sockaddr&) for IPv4 address");
//
// Copy the IPv4 raw address to a sockaddr_in structure.
//
IPv4 ip7(addr_string4);
struct sockaddr_in ip7_sockaddr_in;
verbose_assert(ip7.copy_out(ip7_sockaddr_in) == 4,
"copy_out(sockaddr_in&) for IPv4 address");
verbose_assert(memcmp(&sin, &ip7_sockaddr_in, sizeof(sin)) == 0,
"compare copy_out(sockaddr_in&) for IPv4 address");
//
// Copy a raw address into IPv4 structure.
//
IPv4 ip11;
verbose_assert(ip11.copy_in((uint8_t *)&ui) == 4,
"copy_in(uint8_t *) for IPv4 address");
verbose_match(ip11.str(), addr_string4);
//
// Copy a raw IPv4 address from a in_addr structure into IPv4 structure.
//
IPv4 ip13;
verbose_assert(ip13.copy_in(in_addr) == 4,
"copy_in(in_addr&) for IPv4 address");
verbose_match(ip13.str(), addr_string4);
//
// Copy a raw address from a sockaddr structure into IPv4 structure.
//
IPv4 ip15;
sap = (struct sockaddr *)&sin;
verbose_assert(ip15.copy_in(*sap) == 4,
"copy_in(sockaddr&) for IPv4 address");
verbose_match(ip15.str(), addr_string4);
//
// Copy a raw address from a sockaddr_in structure into IPv4 structure.
//
IPv4 ip17;
verbose_assert(ip17.copy_in(sin) == 4,
"copy_in(sockaddr_in&) for IPv4 address");
verbose_match(ip17.str(), addr_string4);
}
/**
* Test IPv4 invalid copy in/out methods.
*/
void
test_ipv4_invalid_copy_in_out()
{
// Test values for IPv4 address: "12.34.56.78"
// const char *addr_string4 = "12.34.56.78";
struct sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
#ifdef HAVE_SIN_LEN
sin.sin_len = sizeof(sin);
#endif
sin.sin_family = AF_UNSPEC; // Note: invalid IP address family
sin.sin_addr.s_addr = htonl((12 << 24) | (34 << 16) | (56 << 8) | 78);
struct sockaddr *sap;
//
// Copy-in from a sockaddr structure for invalid address family.
//
try {
IPv4 ip;
sap = (struct sockaddr *)&sin;
ip.copy_in(*sap);
verbose_log("Cannot catch invalid IP address family AF_UNSPEC : FAIL\n");
incr_failures();
} catch (const InvalidFamily& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
//
// Copy-in from a sockaddr_in structure for invalid address family.
//
try {
IPv4 ip;
ip.copy_in(sin);
verbose_log("Cannot catch invalid IP address family AF_UNSPEC : FAIL\n");
incr_failures();
} catch (const InvalidFamily& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
}
/**
* Test IPv4 operators.
*/
void
test_ipv4_operators()
{
IPv4 ip_a("0.255.0.255");
IPv4 ip_b("255.0.255.255");
IPv4 ip_not_a("255.0.255.0");
IPv4 ip_a_or_b("255.255.255.255");
IPv4 ip_a_and_b("0.0.0.255");
IPv4 ip_a_xor_b("255.255.255.0");
//
// Equality Operator
//
verbose_assert(ip_a == ip_a, "operator==");
verbose_assert(!(ip_a == ip_b), "operator==");
//
// Not-Equal Operator
//
verbose_assert(!(ip_a != ip_a), "operator!=");
verbose_assert(ip_a != ip_b, "operator!=");
//
// Less-Than Operator
//
verbose_assert(ip_a < ip_b, "operator<");
//
// Bitwise-Negation Operator
//
verbose_assert(~ip_a == ip_not_a, "operator~");
//
// OR Operator
//
verbose_assert((ip_a | ip_b) == ip_a_or_b, "operator|");
//
// AND Operator
//
verbose_assert((ip_a & ip_b) == ip_a_and_b, "operator&");
//
// XOR Operator
//
verbose_assert((ip_a ^ ip_b) == ip_a_xor_b, "operator^");
//
// Operator <<
//
verbose_assert(IPv4("0.255.0.255") << 16 == IPv4("0.255.0.0"),
"operator<<");
verbose_assert(IPv4("0.255.0.0") << 1 == IPv4("1.254.0.0"),
"operator<<");
//
// Operator >>
//
verbose_assert(IPv4("0.255.0.255") >> 16 == IPv4("0.0.0.255"),
"operator>>");
verbose_assert(IPv4("0.0.0.255") >> 1 == IPv4("0.0.0.127"),
"operator>>");
//
// Decrement Operator
//
verbose_assert(--IPv4("0.255.0.255") == IPv4("0.255.0.254"),
"operator--()");
verbose_assert(--IPv4("0.0.0.0") == IPv4("255.255.255.255"),
"operator--()");
//
// Increment Operator
//
verbose_assert(++IPv4("0.255.0.254") == IPv4("0.255.0.255"),
"operator++()");
verbose_assert(++IPv4("255.255.255.255") == IPv4("0.0.0.0"),
"operator++()");
}
/**
* Test IPv4 address type.
*/
void
test_ipv4_address_type()
{
IPv4 ip4_zero("0.0.0.0"); // Zero, not unicast
IPv4 ip4_unicast1("0.0.0.1"); // Unicast
IPv4 ip4_unicast2("1.2.3.4"); // Unicast
IPv4 ip4_unicast3("223.255.255.255"); // Unicast
IPv4 ip4_class_a1("0.0.0.0"); // Class A
IPv4 ip4_class_a2("12.34.56.78"); // Class A
IPv4 ip4_class_a3("127.255.255.255"); // Class A
IPv4 ip4_class_b1("128.0.0.0"); // Class B
IPv4 ip4_class_b2("128.2.3.4"); // Class B
IPv4 ip4_class_b3("191.255.255.255"); // Class B
IPv4 ip4_class_c1("192.0.0.0"); // Class C
IPv4 ip4_class_c2("192.2.3.4"); // Class C
IPv4 ip4_class_c3("223.255.255.255"); // Class C
IPv4 ip4_multicast1("224.0.0.0"); // Multicast
IPv4 ip4_multicast2("224.2.3.4"); // Multicast
IPv4 ip4_multicast3("239.255.255.255"); // Multicast
IPv4 ip4_experimental1("240.0.0.0"); // Experimental
IPv4 ip4_experimental2("240.2.3.4"); // Experimental
IPv4 ip4_experimental3("255.255.255.255"); // Experimental
//
IPv4 ip4_multicast_linklocal1("224.0.0.1"); // Link-local multicast
IPv4 ip4_loopback1("127.0.0.1"); // Loopback
IPv4 ip4_loopback2("127.255.255.255"); // Loopback
//
// Test if an address is numerically zero.
//
verbose_assert(ip4_zero.is_zero() == true, "is_zero()");
verbose_assert(ip4_unicast1.is_zero() == false, "is_zero()");
verbose_assert(ip4_unicast2.is_zero() == false, "is_zero()");
verbose_assert(ip4_unicast3.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_a1.is_zero() == true, "is_zero()");
verbose_assert(ip4_class_a2.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_a3.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_b1.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_b2.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_b3.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_c1.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_c2.is_zero() == false, "is_zero()");
verbose_assert(ip4_class_c3.is_zero() == false, "is_zero()");
verbose_assert(ip4_multicast1.is_zero() == false, "is_zero()");
verbose_assert(ip4_multicast2.is_zero() == false, "is_zero()");
verbose_assert(ip4_multicast3.is_zero() == false, "is_zero()");
verbose_assert(ip4_experimental1.is_zero() == false, "is_zero()");
verbose_assert(ip4_experimental2.is_zero() == false, "is_zero()");
verbose_assert(ip4_experimental3.is_zero() == false, "is_zero()");
//
// Test if an address is a valid unicast address.
//
verbose_assert(ip4_zero.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_unicast1.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_unicast2.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_unicast3.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_a1.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_class_a2.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_a3.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_b1.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_b2.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_b3.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_c1.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_c2.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_class_c3.is_unicast() == true, "is_unicast()");
verbose_assert(ip4_multicast1.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_multicast2.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_multicast3.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_experimental1.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_experimental2.is_unicast() == false, "is_unicast()");
verbose_assert(ip4_experimental3.is_unicast() == false, "is_unicast()");
//
// Test if an address is a valid multicast address.
//
verbose_assert(ip4_zero.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_unicast1.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_unicast2.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_unicast3.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_a1.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_a2.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_a3.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_b1.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_b2.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_b3.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_c1.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_c2.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_class_c3.is_multicast() == false, "is_multicast()");
verbose_assert(ip4_multicast1.is_multicast() == true, "is_multicast()");
verbose_assert(ip4_multicast2.is_multicast() == true, "is_multicast()");
verbose_assert(ip4_multicast3.is_multicast() == true, "is_multicast()");
verbose_assert(ip4_experimental1.is_multicast() == false,
"is_multicast()");
verbose_assert(ip4_experimental2.is_multicast() == false,
"is_multicast()");
verbose_assert(ip4_experimental3.is_multicast() == false,
"is_multicast()");
//
// Test if an address is a valid Class A address.
//
verbose_assert(ip4_zero.is_class_a() == true, "is_class_a()");
verbose_assert(ip4_unicast1.is_class_a() == true, "is_class_a()");
verbose_assert(ip4_unicast2.is_class_a() == true, "is_class_a()");
verbose_assert(ip4_unicast3.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_class_a1.is_class_a() == true, "is_class_a()");
verbose_assert(ip4_class_a2.is_class_a() == true, "is_class_a()");
verbose_assert(ip4_class_a3.is_class_a() == true, "is_class_a()");
verbose_assert(ip4_class_b1.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_class_b2.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_class_b3.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_class_c1.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_class_c2.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_class_c3.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_multicast1.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_multicast2.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_multicast3.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_experimental1.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_experimental2.is_class_a() == false, "is_class_a()");
verbose_assert(ip4_experimental3.is_class_a() == false, "is_class_a()");
//
// Test if an address is a valid Class B address.
//
verbose_assert(ip4_zero.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_unicast1.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_unicast2.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_unicast3.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_class_a1.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_class_a2.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_class_a3.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_class_b1.is_class_b() == true, "is_class_b()");
verbose_assert(ip4_class_b2.is_class_b() == true, "is_class_b()");
verbose_assert(ip4_class_b3.is_class_b() == true, "is_class_b()");
verbose_assert(ip4_class_c1.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_class_c2.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_class_c3.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_multicast1.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_multicast2.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_multicast3.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_experimental1.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_experimental2.is_class_b() == false, "is_class_b()");
verbose_assert(ip4_experimental3.is_class_b() == false, "is_class_b()");
//
// Test if an address is a valid Class C address.
//
verbose_assert(ip4_zero.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_unicast1.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_unicast2.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_unicast3.is_class_c() == true, "is_class_c()");
verbose_assert(ip4_class_a1.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_class_a2.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_class_a3.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_class_b1.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_class_b2.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_class_b3.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_class_c1.is_class_c() == true, "is_class_c()");
verbose_assert(ip4_class_c2.is_class_c() == true, "is_class_c()");
verbose_assert(ip4_class_c3.is_class_c() == true, "is_class_c()");
verbose_assert(ip4_multicast1.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_multicast2.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_multicast3.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_experimental1.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_experimental2.is_class_c() == false, "is_class_c()");
verbose_assert(ip4_experimental3.is_class_c() == false, "is_class_c()");
//
// Test if an address is a valid experimental address.
//
verbose_assert(ip4_zero.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_unicast1.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_unicast2.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_unicast3.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_a1.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_a2.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_a3.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_b1.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_b2.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_b3.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_c1.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_c2.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_class_c3.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_multicast1.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_multicast2.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_multicast3.is_experimental() == false,
"is_experimental()");
verbose_assert(ip4_experimental1.is_experimental() == true,
"is_experimental()");
verbose_assert(ip4_experimental2.is_experimental() == true,
"is_experimental()");
verbose_assert(ip4_experimental3.is_experimental() == true,
"is_experimental()");
//
// Test if an address is a valid link-local unicast address.
//
verbose_assert(ip4_zero.is_linklocal_unicast() == false,
"is_linklocal_unicast()");
verbose_assert(ip4_unicast1.is_linklocal_unicast() == false,
"is_linklocal_unicast()");
verbose_assert(ip4_unicast2.is_linklocal_unicast() == false,
"is_linklocal_unicast()");
verbose_assert(ip4_unicast3.is_linklocal_unicast() == false,
"is_linklocal_unicast()");
//
// Test if an address is a valid interface-local multicast address.
//
verbose_assert(ip4_multicast1.is_interfacelocal_multicast() == false,
"is_interfacelocal_multicast()");
verbose_assert(ip4_multicast2.is_interfacelocal_multicast() == false,
"is_interfacelocal_multicast()");
verbose_assert(ip4_multicast3.is_interfacelocal_multicast() == false,
"is_interfacelocal_multicast()");
//
// Test if an address is a valid link-local multicast address.
//
verbose_assert(ip4_multicast_linklocal1.is_linklocal_multicast() == true,
"is_linklocal_multicast()");
verbose_assert(ip4_multicast2.is_linklocal_multicast() == false,
"is_linklocal_multicast()");
verbose_assert(ip4_multicast3.is_linklocal_multicast() == false,
"is_linklocal_multicast()");
//
// Test if an address is a valid loopback address.
//
verbose_assert(ip4_loopback1.is_loopback() == true, "is_loopback()");
verbose_assert(ip4_loopback2.is_loopback() == true, "is_loopback()");
verbose_assert(ip4_zero.is_loopback() == false, "is_loopback()");
verbose_assert(ip4_unicast1.is_loopback() == false, "is_loopback()");
verbose_assert(ip4_unicast2.is_loopback() == false, "is_loopback()");
verbose_assert(ip4_unicast3.is_loopback() == false, "is_loopback()");
}
/**
* Test IPv4 address constant values.
*/
void
test_ipv4_address_const()
{
//
// Test the address octet-size.
//
verbose_assert(IPv4::addr_bytelen() == 4, "addr_bytelen()");
//
// Test the address bit-length.
//
verbose_assert(IPv4::addr_bitlen() == 32, "addr_bitlen()");
//
// Test the mask length for the multicast base address.
//
verbose_assert(IPv4::ip_multicast_base_address_mask_len() == 4,
"ip_multicast_base_address_mask_len()");
//
// Test the mask length for the Class A base address.
//
verbose_assert(IPv4::ip_class_a_base_address_mask_len() == 1,
"ip_class_a_base_address_mask_len()");
//
// Test the mask length for the Class B base address.
//
verbose_assert(IPv4::ip_class_b_base_address_mask_len() == 2,
"ip_class_b_base_address_mask_len()");
//
// Test the mask length for the Class C base address.
//
verbose_assert(IPv4::ip_class_c_base_address_mask_len() == 3,
"ip_class_c_base_address_mask_len()");
//
// Test the mask length for the experimental base address.
//
verbose_assert(IPv4::ip_experimental_base_address_mask_len() == 4,
"ip_experimental_base_address_mask_len()");
//
// Test the address family.
//
verbose_assert(IPv4::af() == AF_INET, "af()");
//
// Test the IP protocol version.
//
verbose_assert(IPv4::ip_version() == 4, "ip_version()");
verbose_assert(IPv4::ip_version_str() == "IPv4", "ip_version_str()");
//
// Test pre-defined constant addresses
//
verbose_assert(IPv4::ZERO() == IPv4("0.0.0.0"), "ZERO()");
verbose_assert(IPv4::ANY() == IPv4("0.0.0.0"), "ANY()");
verbose_assert(IPv4::ALL_ONES() == IPv4("255.255.255.255"),
"ALL_ONES()");
verbose_assert(IPv4::LOOPBACK() == IPv4("127.0.0.1"),
"LOOPBACK()");
verbose_assert(IPv4::MULTICAST_BASE() == IPv4("224.0.0.0"),
"MULTICAST_BASE()");
verbose_assert(IPv4::MULTICAST_ALL_SYSTEMS() == IPv4("224.0.0.1"),
"MULTICAST_ALL_SYSTEMS()");
verbose_assert(IPv4::MULTICAST_ALL_ROUTERS() == IPv4("224.0.0.2"),
"MULTICAST_ALL_ROUTERS()");
verbose_assert(IPv4::DVMRP_ROUTERS() == IPv4("224.0.0.4"),
"DVMRP_ROUTERS()");
verbose_assert(IPv4::OSPFIGP_ROUTERS() == IPv4("224.0.0.5"),
"OSPFIGP_ROUTERS()");
verbose_assert(IPv4::OSPFIGP_DESIGNATED_ROUTERS() == IPv4("224.0.0.6"),
"OSPIGP_DESIGNATED_ROUTERS()");
verbose_assert(IPv4::RIP2_ROUTERS() == IPv4("224.0.0.9"),
"RIP2_ROUTERS()");
verbose_assert(IPv4::PIM_ROUTERS() == IPv4("224.0.0.13"),
"PIM_ROUTERS()");
verbose_assert(IPv4::SSM_ROUTERS() == IPv4("224.0.0.22"),
"SSM_ROUTERS()");
verbose_assert(IPv4::CLASS_A_BASE() == IPv4("0.0.0.0"),
"CLASS_A_BASE()");
verbose_assert(IPv4::CLASS_B_BASE() == IPv4("128.0.0.0"),
"CLASS_B_BASE()");
verbose_assert(IPv4::CLASS_C_BASE() == IPv4("192.0.0.0"),
"CLASS_C_BASE()");
verbose_assert(IPv4::EXPERIMENTAL_BASE() == IPv4("240.0.0.0"),
"EXPERIMENTAL_BASE()");
}
/**
* Test IPv4 address manipulation.
*/
void
test_ipv4_manipulate_address()
{
//
// Test making an IPv4 mask prefix.
//
verbose_assert(IPv4().make_prefix(24) == IPv4("255.255.255.0"),
"make_prefix()");
verbose_assert(IPv4().make_prefix(0) == IPv4("0.0.0.0"),
"make_prefix()");
verbose_assert(IPv4().make_prefix(32) == IPv4("255.255.255.255"),
"make_prefix()");
//
// Test making an IPv4 address prefix.
//
verbose_assert(
IPv4("12.34.56.78").mask_by_prefix_len(24) == IPv4("12.34.56.0"),
"mask_by_prefix_len()"
);
//
// Test getting the prefix length of the contiguous mask.
//
verbose_assert(IPv4("255.255.255.0").mask_len() == 24,
"mask_len()");
//
// Test getting the raw value of the address.
//
uint32_t n = htonl((12 << 24) | (34 << 16) | (56 << 8) | 78);
verbose_assert(IPv4("12.34.56.78").addr() == n, "addr()");
//
// Test setting the address value
//
IPv4 ip_a("1.2.3.4");
ip_a.set_addr(htonl((12 << 24) | (34 << 16) | (56 << 8) | 78));
verbose_assert(ip_a == IPv4("12.34.56.78"), "set_addr()");
//
// Test extracting bits from an address.
//
verbose_assert(IPv4("12.34.56.78").bits(0, 8) == 78, "bits()");
//
// Test counting the number of bits in an address.
//
verbose_assert(IPv4::ZERO().bit_count() == 0, "bit_count()");
verbose_assert(IPv4::ALL_ONES().bit_count() == 32, "bit_count()");
verbose_assert(IPv4("240.15.240.15").bit_count() == 16, "bit_count()");
//
// Test counting the number of leading zeroes in an address.
//
verbose_assert(IPv4::ZERO().leading_zero_count() == 32,
"leading_zero_count()");
verbose_assert(IPv4::ALL_ONES().leading_zero_count() == 0,
"leading_zero_count()");
verbose_assert(IPv4("0.1.255.255").leading_zero_count() == 15,
"leading_zero_count()");
}
/**
* Test IPv4 invalid address manipulation.
*/
void
test_ipv4_invalid_manipulate_address()
{
const char *addr_string4 = "12.34.56.78";
//
// Test making an invalid IPv4 mask prefix.
//
try {
// Invalid prefix length
IPv4 ip(IPv4::make_prefix(IPv4::addr_bitlen() + 1));
verbose_log("Cannot catch invalid IPv4 mask prefix with length %u : FAIL\n",
XORP_UINT_CAST(IPv4::addr_bitlen() + 1));
incr_failures();
UNUSED(ip);
} catch (const InvalidNetmaskLength& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
//
// Test masking with an invalid IPv4 mask prefix.
//
try {
// Invalid mask prefix
IPv4 ip(addr_string4);
ip.mask_by_prefix_len(IPv4::addr_bitlen() + 1);
verbose_log("Cannot catch masking with an invalid IPv4 mask prefix with length %u : FAIL\n",
XORP_UINT_CAST(IPv4::addr_bitlen() + 1));
incr_failures();
} catch (const InvalidNetmaskLength& e) {
// The problem was caught
verbose_log("%s : OK\n", e.str().c_str());
}
}
int
main(int argc, char * const argv[])
{
int ret_value = 0;
//
// Initialize and start xlog
//
xlog_init(argv[0], NULL);
xlog_set_verbose(XLOG_VERBOSE_LOW); // Least verbose messages
// XXX: verbosity of the error messages temporary increased
xlog_level_set_verbose(XLOG_LEVEL_ERROR, XLOG_VERBOSE_HIGH);
xlog_add_default_output();
xlog_start();
int ch;
while ((ch = getopt(argc, argv, "hv")) != -1) {
switch (ch) {
case 'v':
set_verbose(true);
break;
case 'h':
case '?':
default:
usage(argv[0]);
xlog_stop();
xlog_exit();
if (ch == 'h')
return (0);
else
return (1);
}
}
argc -= optind;
argv += optind;
XorpUnexpectedHandler x(xorp_unexpected_handler);
try {
test_ipv4_valid_constructors();
test_ipv4_invalid_constructors();
test_ipv4_valid_copy_in_out();
test_ipv4_invalid_copy_in_out();
test_ipv4_operators();
test_ipv4_address_type();
test_ipv4_address_const();
test_ipv4_manipulate_address();
test_ipv4_invalid_manipulate_address();
ret_value = failures() ? 1 : 0;
} catch (...) {
// Internal error
xorp_print_standard_exceptions();
ret_value = 2;
}
//
// Gracefully stop and exit xlog
//
xlog_stop();
xlog_exit();
return (ret_value);
}
syntax highlighted by Code2HTML, v. 0.9.1