/* * 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 #include #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()); }