/* $NetBSD: misc_unittest.c,v 1.2 2018/04/07 22:37:29 christos Exp $ */
/*
* Copyright (C) 2014-2017 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#include <atf-c.h>
#include "dhcpd.h"
struct basic_test {
int count;
int used_0;
int used_25;
int used_50;
int used_75;
int used_100;
};
struct basic_test basic_values[] =
{{ 0, 0, 0, 0, 0, 0},
{ 10, 0, 2, 5, 7, 10},
{ 20, 0, 5, 10, 15, 20},
{ 50, 0, 12, 25, 37, 50},
{ 100, 0, 25, 50, 75, 100},
{ 1000, 0, 250, 500, 750, 1000},
{ 10000, 0, 2500, 5000, 7500, 10000},
{ 100000, 0, 25000, 50000, 75000, 100000},
{ 1000000, 0, 250000, 500000, 750000, 1000000},
{ 10000000, 0, 2500000, 5000000, 7500000, 10000000},
{ 100000000, 0, 25000000, 50000000, 75000000, 100000000},
{1000000000, 0, 250000000, 500000000, 750000000, 1000000000},
{2000000000, 0, 500000000, 1000000000, 1500000000, 2000000000},
{-1, 0, 0, 0, 0, 0}};
ATF_TC(find_percent_basic);
ATF_TC_HEAD(find_percent_basic, tc)
{
atf_tc_set_md_var(tc, "descr", "Verify basic percent calculation.");
}
/* This test does a simple check to see if we get the right value
* given a count and a percnetage of that count
*/
ATF_TC_BODY(find_percent_basic, tc)
{
struct basic_test *basic_value;
int used;
for (basic_value = &basic_values[0];
basic_value->count != -1;
basic_value++) {
used = FIND_PERCENT(basic_value->count, 0);
if (used != basic_value->used_0) {
atf_tc_fail("Wrong value for 0 - count: %d, used %d",
basic_value->count, used);
}
used = FIND_PERCENT(basic_value->count, 25);
if (used != basic_value->used_25) {
atf_tc_fail("Wrong value for 25 - count: %d, used %d",
basic_value->count, used);
}
used = FIND_PERCENT(basic_value->count, 50);
if (used != basic_value->used_50) {
atf_tc_fail("Wrong value for 50 - count: %d, used %d",
basic_value->count, used);
}
used = FIND_PERCENT(basic_value->count, 75);
if (used != basic_value->used_75) {
atf_tc_fail("Wrong value for 75 - count: %d, used %d",
basic_value->count, used);
}
used = FIND_PERCENT(basic_value->count, 100);
if (used != basic_value->used_100) {
atf_tc_fail("Wrong value for 100 - count: %d, used %d",
basic_value->count, used);
}
}
return;
}
ATF_TC(find_percent_adv);
ATF_TC_HEAD(find_percent_adv, tc)
{
atf_tc_set_md_var(tc, "descr", "Verify advanced percent calculation.");
}
/* This test tries some more complicated items, such as using the macro
* in a function or passing expressions into macro
*/
ATF_TC_BODY(find_percent_adv, tc)
{
if (FIND_PERCENT(10*10, 10) != 10) {
atf_tc_fail("Wrong value for adv 1");
}
if (FIND_PERCENT(20*20, 80) != 320) {
atf_tc_fail("Wrong value for adv 2");
}
if (FIND_PERCENT(1000000*1000, 50) != 500000000) {
atf_tc_fail("Wrong value for adv 3");
}
if (FIND_PERCENT(100+100, 10) != 20) {
atf_tc_fail("Wrong value for adv 4");
}
if (FIND_PERCENT(1000+2000, 90) != 2700) {
atf_tc_fail("Wrong value for adv 5");
}
if (FIND_PERCENT(10000 - 8000, 70) != 1400) {
atf_tc_fail("Wrong value for adv 6");
}
if (FIND_PERCENT(2000000000 / 1000, 25) != 500000) {
atf_tc_fail("Wrong value for adv 7");
}
if (FIND_PERCENT(10*10, 10)/2 != 5) {
atf_tc_fail("Wrong value for adv 8");
}
if (FIND_PERCENT(100*10, 50) * 2 != 1000) {
atf_tc_fail("Wrong value for adv 9");
}
if (FIND_PERCENT(100*10, 50) * 2 > 1000) {
atf_tc_fail("Wrong value for adv 10");
}
if (FIND_PERCENT(100+100, 20) * 2 < 60) {
atf_tc_fail("Wrong value for adv 11");
}
return;
}
ATF_TC(print_hex_only);
ATF_TC_HEAD(print_hex_only, tc)
{
atf_tc_set_md_var(tc, "descr", "Verify hex data formatting.");
}
/* This test exercises the print_hex_only function
*/
ATF_TC_BODY(print_hex_only, tc)
{
unsigned char data[] = {0xaa,0xbb,0xcc,0xdd};
char* ref = "aa:bb:cc:dd";
char buf[14];
memset(buf, 'x', sizeof(buf));
int data_len = sizeof(data);
int expected_len = 12;
/* Proper input values should produce proper result */
print_hex_only (data_len, data, expected_len, buf);
if (strlen(buf) != strlen(ref)) {
atf_tc_fail("len of result is wrong");
}
if (strcmp(buf, ref)) {
atf_tc_fail("result doesn't match ref");
}
/* Make sure we didn't overrun the buffer */
if (buf[expected_len] != 'x') {
atf_tc_fail("data over run detected");
}
/* Buffer == null doesn't crash */
print_hex_only (data_len, data, expected_len, NULL);
/* Limit == 0 doesn't write (or crash) */
*buf = '-';
print_hex_only (data_len, data, 0, buf);
if (*buf != '-') {
atf_tc_fail("limit of zero, altered buffer");
}
/* data == NULL doesn't write (or crash) */
print_hex_only (data_len, NULL, expected_len, buf);
if (*buf != '-') {
atf_tc_fail("limit of zero, altered buffer");
}
/* Limit too small should produce zero length string */
*buf = '-';
print_hex_only (data_len, data, expected_len - 1, buf);
if (*buf != 0x0) {
atf_tc_fail("limit too small should have failed");
}
/* Data length of 0 should produce zero length string */
*buf = '-';
print_hex_only (0, data, expected_len, buf);
if (*buf != 0x0) {
atf_tc_fail("limit too small should have failed");
}
}
/* This macro defines main() method that will call specified
test cases. tp and simple_test_case names can be whatever you want
as long as it is a valid variable identifier. */
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, find_percent_basic);
ATF_TP_ADD_TC(tp, find_percent_adv);
ATF_TP_ADD_TC(tp, print_hex_only);
return (atf_no_error());
}