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skrzyp |
//=================================================================
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//
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// crc_test.c
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//
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// crc test cases
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//
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//==========================================================================
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// ####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 2002, 2009 Free Software Foundation, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later
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// version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with eCos; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// As a special exception, if other files instantiate templates or use
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// macros or inline functions from this file, or you compile this file
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// and link it with other works to produce a work based on this file,
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// this file does not by itself cause the resulting work to be covered by
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// the GNU General Public License. However the source code for this file
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// must still be made available in accordance with section (3) of the GNU
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// General Public License v2.
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//
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// This exception does not invalidate any other reasons why a work based
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// on this file might be covered by the GNU General Public License.
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// -------------------------------------------
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// ####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): asl
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// Contributors: asl
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// Date: 2002-08-06
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// Description: Tests the calculation code
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//####DESCRIPTIONEND####
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#include <cyg/infra/testcase.h>
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#include <cyg/crc/crc.h>
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static char license_txt[] =
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" GNU GENERAL PUBLIC LICENSE\n"
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" Version 2, June 1991\n"
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"\n"
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" Copyright (C) 1989, 1991 Free Software Foundation, Inc.\n"
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" 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
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" Everyone is permitted to copy and distribute verbatim copies\n"
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" of this license document, but changing it is not allowed.\n"
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"\n"
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" Preamble\n"
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"\n"
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" The licenses for most software are designed to take away your\n"
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"freedom to share and change it. By contrast, the GNU General Public\n"
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"License is intended to guarantee your freedom to share and change free\n"
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"software--to make sure the software is free for all its users. This\n"
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"General Public License applies to most of the Free Software\n"
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"Foundation's software and to any other program whose authors commit to\n"
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"using it. (Some other Free Software Foundation software is covered by\n"
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"the GNU Library General Public License instead.) You can apply it to\n"
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"your programs, too.";
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externC void
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cyg_start( void )
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{
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unsigned long crc1,crc2;
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CYG_TEST_INIT();
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CYG_TEST_INFO("Calculating CRCs");
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if (1500790746UL != cyg_posix_crc32((unsigned char *)license_txt,
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sizeof(license_txt)-1)) {
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CYG_TEST_FAIL("Wrong POSIX CRC32 calculation");
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} else {
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CYG_TEST_PASS("POSIX CRC32 calculation");
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}
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if (1667500021UL != cyg_ether_crc32((unsigned char *)license_txt,
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sizeof(license_txt)-1)) {
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CYG_TEST_FAIL("Wrong Ethernet crc32 calculation");
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} else {
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CYG_TEST_PASS("Ethernet crc32 calculation");
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}
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if (0 != cyg_ether_crc32_accumulate(0,0,0)) {
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CYG_TEST_FAIL("Ethernet crc32 accumulate setup");
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} else {
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crc1= cyg_ether_crc32_accumulate(0, (unsigned char *)license_txt,
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sizeof(license_txt)-1);
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crc2 = cyg_ether_crc32_accumulate(crc1, (unsigned char *)license_txt,
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sizeof(license_txt)-1);
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if ((1667500021UL != crc1) || (3478736840UL != crc2)) {
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CYG_TEST_FAIL("Wrong Etheret crc32 accumulate");
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} else {
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CYG_TEST_PASS("Ethernet crc32_accumulate");
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}
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}
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if (1247800780UL != cyg_crc32((unsigned char *)license_txt,
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sizeof(license_txt)-1)) {
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CYG_TEST_FAIL("Wrong Gary S. Browns' crc32 calculation");
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} else {
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CYG_TEST_PASS("Gary S. Browns' crc32 calculation");
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}
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crc1 = cyg_crc32_accumulate(0,(unsigned char *)license_txt,
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sizeof(license_txt)-1);
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crc2 = cyg_crc32_accumulate(crc1,(unsigned char *)license_txt,
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sizeof(license_txt)-1);
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if ((1247800780UL != crc1) || (926002294UL != crc2)) {
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CYG_TEST_FAIL("Wrong Gary S. Browns' crc32 accumulate calculation");
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} else {
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CYG_TEST_PASS("Gary S. Browns' crc32 accumulate calculation");
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}
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if (32256 != cyg_crc16((unsigned char *)license_txt,
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sizeof(license_txt)-1)) {
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CYG_TEST_FAIL("Wrong 16bit CRC calculation");
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} else {
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CYG_TEST_PASS("16bit CRC calculation");
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}
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if (0 != cyg_crc16_accumulate(0,0,0)) {
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CYG_TEST_FAIL("16bit CRC accumulate setup");
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} else {
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crc1= cyg_crc16_accumulate(0, (unsigned char *)license_txt,
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sizeof(license_txt)-1);
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crc2 = cyg_crc16_accumulate(crc1, (unsigned char *)license_txt,
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sizeof(license_txt)-1);
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if ((32256 != crc1) || (48052 != crc2)) {
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CYG_TEST_FAIL_FINISH("Wrong 16bit CRC accumulate");
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} else {
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CYG_TEST_PASS_FINISH("16bit CRC accumulate");
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}
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}
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}
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