From 164f943bb8af62c343a55d2b3f97c20d06fd7592 Mon Sep 17 00:00:00 2001 From: dimitri staessens Date: Sun, 15 Jan 2017 12:28:21 +0100 Subject: lib: Add test for crc32 function --- src/lib/tests/crc32_test.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 src/lib/tests/crc32_test.c (limited to 'src/lib/tests/crc32_test.c') diff --git a/src/lib/tests/crc32_test.c b/src/lib/tests/crc32_test.c new file mode 100644 index 00000000..563d23b0 --- /dev/null +++ b/src/lib/tests/crc32_test.c @@ -0,0 +1,71 @@ +/* + * Ouroboros - Copyright (C) 2016 - 2017 + * + * Test of the CRC32 function + * + * Dimitri Staessens + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include + +#include +#include +#include +#include +#include + +/* + * Test vectors calculated at + * https://www.lammertbies.nl/comm/info/crc-calculation.html + */ + +int crc32_test(int argc, + char ** argv) +{ + uint32_t crc = 0; + int i = 0; + + (void) argc; + (void) argv; + + crc32(&crc, "0", 1); + if (crc != 0xF4DBDF21) + return -1; + + crc = 0; + + crc32(&crc, "123456789", 9); + if (crc != 0xCBF43926) + return -1; + + crc = 0; + + crc32(&crc, "987654321", 9); + if (crc != 0x015F0201) + return -1; + + crc32(&crc, "123456789", 9); + if (crc != 0x806B60E3) + return -1; + + crc = 0; + + crc32(&crc, &i , 1); + if (crc != 0xD202EF8D) + return -1; + + return 0; +} -- cgit v1.2.3