/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSTestCaseRtemsClockValClock
*/
/*
* Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de)
*
* 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 "ts-config.h"
#include "tx-support.h"
#include <rtems/test.h>
/**
* @defgroup RTEMSTestCaseRtemsClockValClock spec:/rtems/clock/val/clock
*
* @ingroup RTEMSTestSuiteTestsuitesValidationNoClock0
*
* @brief Tests some @ref RTEMSAPIClassicClock directives.
*
* This test case performs the following actions:
*
* - Use the rtems_clock_get_ticks_since_boot() function.
*
* - Check that clock tick gets incremented.
*
* - Use the rtems_clock_get_ticks_per_second() function.
*
* - Check that rtems_clock_get_ticks_per_second() actually returns 1us /
* CONFIGURE_MICROSECONDS_PER_TICK.
*
* @{
*/
/**
* @brief Use the rtems_clock_get_ticks_since_boot() function.
*/
static void RtemsClockValClock_Action_0( void )
{
rtems_interval result_0;
rtems_interval result_1;
int32_t difference; /* Note: rtems_interval = uint32_t (unsigned!) */
result_0 = rtems_clock_get_ticks_since_boot();
ClockTick();
result_1 = rtems_clock_get_ticks_since_boot();
/*
* Because of the ones-complement, the overflow
* is handled correctly. result_0 = 0xFFFFFFFF will become -1
* and result_1 = 0x0 will become 0.
*/
difference = (int32_t) result_1 - (int32_t) result_0;
/*
* Check that clock tick gets incremented.
*/
T_step_eq_i32( 0, difference, 1 );
}
/**
* @brief Use the rtems_clock_get_ticks_per_second() function.
*/
static void RtemsClockValClock_Action_1( void )
{
rtems_interval result;
result = rtems_clock_get_ticks_per_second();
/*
* Check that rtems_clock_get_ticks_per_second() actually returns 1us /
* CONFIGURE_MICROSECONDS_PER_TICK.
*/
T_step_eq_u32( 1, result, 1000000UL / TEST_MICROSECONDS_PER_TICK );
}
/**
* @fn void T_case_body_RtemsClockValClock( void )
*/
T_TEST_CASE( RtemsClockValClock )
{
T_plan( 2 );
RtemsClockValClock_Action_0();
RtemsClockValClock_Action_1();
}
/** @} */
