/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the COPYING file, which can be found at the root of the source code * * distribution tree, or in https://www.hdfgroup.org/licenses. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: tchecksum.c * Aug 21 2006 * Quincey Koziol * * Purpose: Test internal checksum routine(s) * *------------------------------------------------------------------------- */ /***********/ /* Headers */ /***********/ #include "testhdf5.h" /**********/ /* Macros */ /**********/ #define BUF_LEN 3093 /* No particular value */ /*******************/ /* Local variables */ /*******************/ /**************************************************************** ** ** test_chksum_size_one(): Checksum 1 byte buffer ** ****************************************************************/ static void test_chksum_size_one(void) { uint8_t buf[1] = {23}; /* Buffer to checksum */ uint32_t chksum; /* Checksum value */ /* Buffer w/real data */ chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0x17001700, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xfa2568b7, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0xa209c931, "H5_checksum_lookup3"); /* Buffer w/zero(s) for data */ memset(buf, 0, sizeof(buf)); chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xfa60fb57, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0x8ba9414b, "H5_checksum_lookup3"); } /* test_chksum_size_one() */ /**************************************************************** ** ** test_chksum_size_two(): Checksum 2 byte buffer ** ****************************************************************/ static void test_chksum_size_two(void) { uint8_t buf[2] = {23, 187}; /* Buffer to checksum */ uint32_t chksum; /* Checksum value */ /* Buffer w/real data */ chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0x17bb17bb, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xfc856608, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0x8ba7a6c9, "H5_checksum_lookup3"); /* Buffer w/zero(s) for data */ memset(buf, 0, sizeof(buf)); chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xfc7e9b20, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0x62cd61b3, "H5_checksum_lookup3"); } /* test_chksum_size_two() */ /**************************************************************** ** ** test_chksum_size_three(): Checksum 3 byte buffer ** ****************************************************************/ static void test_chksum_size_three(void) { uint8_t buf[3] = {23, 187, 98}; /* Buffer to checksum */ uint32_t chksum; /* Checksum value */ /* Buffer w/real data */ chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0x917679bb, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xfebc5d70, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0xcebdf4f0, "H5_checksum_lookup3"); /* Buffer w/zero(s) for data */ memset(buf, 0, sizeof(buf)); chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xf9cc4c7a, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0x6bd0060f, "H5_checksum_lookup3"); } /* test_chksum_size_three() */ /**************************************************************** ** ** test_chksum_size_four(): Checksum 4 byte buffer ** ****************************************************************/ static void test_chksum_size_four(void) { uint8_t buf[4] = {23, 187, 98, 217}; /* Buffer to checksum */ uint32_t chksum; /* Checksum value */ /* Buffer w/real data */ chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0x924f7a94, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xff398a46, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0x2c88bb51, "H5_checksum_lookup3"); /* Buffer w/zero(s) for data */ memset(buf, 0, sizeof(buf)); chksum = H5_checksum_fletcher32(buf, sizeof(buf)); VERIFY(chksum, 0, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(buf, sizeof(buf)); VERIFY(chksum, 0xff117081, "H5_checksum_crc"); chksum = H5_checksum_lookup3(buf, sizeof(buf), 0); VERIFY(chksum, 0x049396b8, "H5_checksum_lookup3"); } /* test_chksum_size_four() */ /**************************************************************** ** ** test_chksum_large(): Checksum larger buffer ** ****************************************************************/ static void test_chksum_large(void) { uint8_t *large_buf; /* Buffer for checksum calculations */ uint32_t chksum; /* Checksum value */ size_t u; /* Local index variable */ /* Allocate the buffer */ large_buf = (uint8_t *)malloc((size_t)BUF_LEN); CHECK_PTR(large_buf, "malloc"); /* Initialize buffer w/known data */ for (u = 0; u < BUF_LEN; u++) large_buf[u] = (uint8_t)(u * 3); /* Buffer w/real data */ chksum = H5_checksum_fletcher32(large_buf, (size_t)BUF_LEN); VERIFY(chksum, 0x85b4e2a, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(large_buf, (size_t)BUF_LEN); VERIFY(chksum, 0xfbd0f7c0, "H5_checksum_crc"); chksum = H5_checksum_lookup3(large_buf, (size_t)BUF_LEN, 0); VERIFY(chksum, 0x1bd2ee7b, "H5_checksum_lookup3"); /* Buffer w/zero(s) for data */ memset(large_buf, 0, (size_t)BUF_LEN); chksum = H5_checksum_fletcher32(large_buf, (size_t)BUF_LEN); VERIFY(chksum, 0, "H5_checksum_fletcher32"); chksum = H5_checksum_crc(large_buf, (size_t)BUF_LEN); VERIFY(chksum, 0xfac8b4c4, "H5_checksum_crc"); chksum = H5_checksum_lookup3(large_buf, (size_t)BUF_LEN, 0); VERIFY(chksum, 0x930c7afc, "H5_checksum_lookup3"); /* Release memory for buffer */ free(large_buf); } /* test_chksum_large() */ /**************************************************************** ** ** test_checksum(): Main checksum testing routine. ** ****************************************************************/ void test_checksum(void) { /* Output message about test being performed */ MESSAGE(5, ("Testing checksum algorithms\n")); /* Various checks for fletcher32 checksum algorithm */ test_chksum_size_one(); /* Test buffer w/only 1 byte */ test_chksum_size_two(); /* Test buffer w/only 2 bytes */ test_chksum_size_three(); /* Test buffer w/only 3 bytes */ test_chksum_size_four(); /* Test buffer w/only 4 bytes */ test_chksum_large(); /* Test buffer w/larger # of bytes */ } /* test_checksum() */ /*------------------------------------------------------------------------- * Function: cleanup_checksum * * Purpose: Cleanup temporary test files * * Return: none * * Programmer: Quincey Koziol * August 21, 2006 * *------------------------------------------------------------------------- */ void cleanup_checksum(void) { /* no file to clean */ }