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| -rw-r--r-- | testsuites/validation/tc-c.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/testsuites/validation/tc-c.c b/testsuites/validation/tc-c.c new file mode 100644 index 0000000000..646a838609 --- /dev/null +++ b/testsuites/validation/tc-c.c @@ -0,0 +1,189 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup CValC + */ + +/* + * Copyright (C) 2021 embedded brains GmbH & Co. KG + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This file is part of the RTEMS quality process and was automatically + * generated. If you find something that needs to be fixed or + * worded better please post a report or patch to an RTEMS mailing list + * or raise a bug report: + * + * https://www.rtems.org/bugs.html + * + * For information on updating and regenerating please refer to the How-To + * section in the Software Requirements Engineering chapter of the + * RTEMS Software Engineering manual. The manual is provided as a part of + * a release. For development sources please refer to the online + * documentation at: + * + * https://docs.rtems.org + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <rtems.h> +#include <string.h> + +#include <rtems/test.h> + +/** + * @defgroup CValC spec:/c/val/c + * + * @ingroup TestsuitesValidationNoClock0 + * + * @brief Tests C library functions. + * + * This test case performs the following actions: + * + * - Call memcpy() for a sample set of buffers. + * + * - Call memset() for a sample set of buffers. + * + * @{ + */ + +static void Clear( volatile uint8_t *b, const volatile uint8_t *e ) +{ + while ( b != e ) { + *b = 0; + ++b; + } +} + +static bool Compare( + volatile uint8_t *b, + const volatile uint8_t *e, + uint8_t expected +) +{ + bool result; + + result = true; + + while ( b != e ) { + result = result && *b == expected; + ++b; + } + + return result; +} + +/** + * @brief Call memcpy() for a sample set of buffers. + */ +static void CValC_Action_0( void ) +{ + uint8_t src[sizeof( long ) * 10]; + uint8_t dst[sizeof( long ) * 10]; + uint8_t *begin; + uint8_t *end; + uint8_t *aligned_src; + uint8_t *aligned_dst; + size_t offset_src; + + memset( src, 0x85, sizeof( src ) ); + begin = dst; + end = begin + sizeof( dst ); + aligned_src = (uint8_t *) RTEMS_ALIGN_UP( (uintptr_t) src, sizeof( long ) ); + aligned_dst = (uint8_t *) RTEMS_ALIGN_UP( (uintptr_t) dst, sizeof( long ) ); + + for ( offset_src = 0; offset_src < sizeof( long ); ++offset_src ) { + size_t offset_dst; + + for ( offset_dst = 0; offset_dst < sizeof( long ); ++offset_dst ) { + size_t size; + + for ( size = 0; size < sizeof( long ) * 8; ++size ) { + uint8_t *s; + uint8_t *p; + uint8_t *q; + + s = aligned_src + offset_src; + p = aligned_dst + offset_dst; + q = p + size; + + Clear( begin, end ); + memcpy( p, s, size ); + T_true( Compare( begin, p, 0 ) ); + T_true( Compare( p, q, 0x85 ) ); + T_true( Compare( q, end, 0 ) ); + } + } + } +} + +/** + * @brief Call memset() for a sample set of buffers. + */ +static void CValC_Action_1( void ) +{ + uint8_t dst[sizeof( long ) * 10]; + uint8_t *begin; + uint8_t *end; + uint8_t *aligned; + size_t offset; + + begin = dst; + end = begin + sizeof( dst ); + aligned = (uint8_t *) RTEMS_ALIGN_UP( (uintptr_t) dst, sizeof( long ) ); + + for ( offset = 0; offset < sizeof( long ); ++offset ) { + size_t size; + + for ( size = 0; size < sizeof( long ) * 8; ++size ) { + uint8_t *p; + uint8_t *q; + + p = aligned + offset; + q = p + size; + + Clear( begin, end ); + memset( p, 0x85, size ); + T_true( Compare( begin, p, 0 ) ); + T_true( Compare( p, q, 0x85 ) ); + T_true( Compare( q, end, 0 ) ); + } + } +} + +/** + * @fn void T_case_body_CValC( void ) + */ +T_TEST_CASE( CValC ) +{ + CValC_Action_0(); + CValC_Action_1(); +} + +/** @} */ |