79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* Copyright (C) 2019 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <stdbool.h>
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#include <string.h>
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#include <tap/basic.h>
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#include "dname.c"
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static void ok_length(const char *dname, size_t length, const char *info)
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{
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ok(dname_length((uint8_t *)dname) == length,
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"dname_length() for %s", info);
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}
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static void test_length(void)
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{
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ok_length(NULL, 0, "NULL");
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ok_length("", 1, ".");
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ok_length("\x2""cz", 4, "cz.");
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ok_length("\x7""example""\x3""com", 13, "example.com.");
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}
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static bool dname_binary_equal(const uint8_t *one, const uint8_t *two)
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{
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return one && two && strcmp((char *)one, (char *)two) == 0;
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}
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static void test_copy(void)
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{
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const uint8_t *dname = (uint8_t *)"\x3""www""\x8""KNOT-DNS""\x2""cz";
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uint8_t *copy = dname_copy(dname);
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ok(dname_binary_equal(dname, copy), "dname_copy()");
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free(copy);
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}
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static void test_equal(void)
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{
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#define eq(a, b) dname_equal((uint8_t *)a, (uint8_t *)b)
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ok(eq("\x4""kiwi""\x4""limo", "\x4""kiwi""\x4""limo") == true,
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"dname_equal() same");
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ok(eq("\x6""orange", "\x6""ORANGE") == true,
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"dname_equal() case single label");
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ok(eq("\x6""Banana""\03""Tea", "\x6""bANAna""\x3""tea") == true,
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"dname_equal() case two labels");
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ok(eq("\x4""Coco""\x4""MILK", "\x3""cow""\x4""milk") == false,
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"dname_equal() different first");
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ok(eq("\x4""LIME""\x5""syrup", "\x4""LIme""\x4""beer") == false,
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"dname_equal() different last");
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ok(eq("\x5""apple", "\x5""apple""\x5""shake") == false,
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"dname_equal() a prefix of b");
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ok(eq("\x5""apple""\x5""juice", "\x5""apple") == false,
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"dname_equal() b prefix of a");
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}
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int main(void)
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{
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plan_lazy();
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test_length();
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test_copy();
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test_equal();
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return 0;
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}
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