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isc-dhcp/common/tests/ns_name_test.c

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/*
* Copyright (c) 2014 by Internet Systems Consortium, Inc. ("ISC")
*
* Tests the newly added functions: MRns_name_compress_list and
* MRns_name_uncompress_list. These two functions rely on most of
* the other functions in ns_name.c. If these tests pass, then the
* majority of those functions work.
*
* This is not exhaustive test of these functions, much more could be
* done.
*/
#include "config.h"
#include <atf-c.h>
#include "dhcpd.h"
ATF_TC(MRns_name_list_funcs);
ATF_TC_HEAD(MRns_name_list_funcs, tc) {
atf_tc_set_md_var(tc, "descr", "MRns_name list funcs test, "
"compress from text, decompress to text");
}
ATF_TC_BODY(MRns_name_list_funcs, tc) {
const char text_list[] = "one.two.com,three.two.com,four.two.com";
unsigned char comp_list[] = {
0x03,0x6f,0x6e,0x65,0x03,0x74,0x77,0x6f,0x03,0x63,0x6f,
0x6d,0x00,0x05,0x74,0x68,0x72,0x65,0x65,0xc0,0x04,0x04,
0x66,0x6f,0x75,0x72,0xc0,0x04};
unsigned char compbuf[sizeof(comp_list)];
char textbuf[sizeof(text_list)];
int ret;
memset(compbuf, 0x00, sizeof(compbuf));
/* Compress the reference text list */
ret = MRns_name_compress_list(text_list, sizeof(text_list),
compbuf, sizeof(compbuf));
/* Verify compressed length is correct */
ATF_REQUIRE_MSG((ret == sizeof(compbuf)), "compressed len %d wrong", ret);
/* Verify compressed content is correct */
ATF_REQUIRE_MSG((memcmp(comp_list, compbuf, sizeof(compbuf)) == 0),
"compressed buffer content wrong");
/* Decompress the new compressed list */
ret = MRns_name_uncompress_list(compbuf, ret, textbuf, sizeof(textbuf));
/* Verify decompressed length is correct */
ATF_REQUIRE_MSG((ret == strlen(text_list)),
"uncompressed len %d wrong", ret);
/* Verify decompressed content is correct */
ATF_REQUIRE_MSG((memcmp(textbuf, text_list, sizeof(textbuf)) == 0),
"uncompressed buffer content wrong");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, MRns_name_list_funcs);
return (atf_no_error());
}