xref: /freebsd-9.3-release/contrib/ntp/tests/libntp/netof.c

#include "config.h"

#include "ntp_stdlib.h"
#include "ntp_calendar.h"

#include "unity.h"

#include "sockaddrtest.h"


void test_ClassBAddress(void);
void test_ClassCAddress(void);
void test_ClassAAddress(void);
void test_IPv6Address(void);



void test_ClassBAddress(void) {
	sockaddr_u input = CreateSockaddr4("172.16.2.1", NTP_PORT);
	sockaddr_u expected = CreateSockaddr4("172.16.0.0", NTP_PORT);

	sockaddr_u* actual = netof(&input);

	TEST_ASSERT_TRUE(actual != NULL);
	TEST_ASSERT_TRUE(IsEqual(expected, *actual));
}

void test_ClassCAddress(void) {
	sockaddr_u input = CreateSockaddr4("192.0.2.255", NTP_PORT);
	sockaddr_u expected = CreateSockaddr4("192.0.2.0", NTP_PORT);

	sockaddr_u* actual = netof(&input);

	TEST_ASSERT_TRUE(actual != NULL);
	TEST_ASSERT_TRUE(IsEqual(expected, *actual));
}

void  test_ClassAAddress(void) {
	/* Class A addresses are assumed to be classless,
	 * thus the same address should be returned.
	 */
	sockaddr_u input = CreateSockaddr4("10.20.30.40", NTP_PORT);
	sockaddr_u expected = CreateSockaddr4("10.20.30.40", NTP_PORT);

	sockaddr_u* actual = netof(&input);

	TEST_ASSERT_TRUE(actual != NULL);
	TEST_ASSERT_TRUE(IsEqual(expected, *actual));
}

void  test_IPv6Address(void) {
	/* IPv6 addresses are assumed to have 64-bit host- and 64-bit network parts. */
	const struct in6_addr input_address = {
		0x20, 0x01, 0x0d, 0xb8,
        0x85, 0xa3, 0x08, 0xd3,
        0x13, 0x19, 0x8a, 0x2e,
        0x03, 0x70, 0x73, 0x34
	}; // 2001:0db8:85a3:08d3:1319:8a2e:0370:7334

	const struct in6_addr expected_address = {
		0x20, 0x01, 0x0d, 0xb8,
        0x85, 0xa3, 0x08, 0xd3,
        0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00
	}; // 2001:0db8:85a3:08d3:0000:0000:0000:0000

	sockaddr_u input;
	input.sa6.sin6_family = AF_INET6;
	input.sa6.sin6_addr = input_address;
	SET_PORT(&input, 3000);

	sockaddr_u expected;
	expected.sa6.sin6_family = AF_INET6;
	expected.sa6.sin6_addr = expected_address;
	SET_PORT(&expected, 3000);

	sockaddr_u* actual = netof(&input);

	TEST_ASSERT_TRUE(actual != NULL);
	TEST_ASSERT_TRUE(IsEqual(expected, *actual));
}