sptests/sptimecounter04/init.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (c) 2017 embedded brains GmbH & Co. KG
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #ifdef HAVE_CONFIG_H
0029 #include "config.h"
0030 #endif
0031
0032 #include <time.h>
0033 #include <rtems.h>
0034 #include <rtems/test-info.h>
0035 #include <rtems/timespec.h>
0036
0037 #include "tmacros.h"
0038
0039 const char rtems_test_name[] = "SPTIMECOUNTER 4";
0040
0041 static void Init(rtems_task_argument arg)
0042 {
0043   struct timespec real_start;
0044   struct timespec mono_start;
0045   struct timespec real_end;
0046   struct timespec mono_end;
0047   struct timespec real_elapsed;
0048   struct timespec mono_elapsed;
0049
0050   struct timespec min;
0051   struct timespec max;
0052
0053   int rv;
0054
0055   TEST_BEGIN();
0056
0057   rtems_timespec_set(&min, 1, 980000000);
0058   rtems_timespec_set(&max, 2,  20000000);
0059
0060   rv = clock_gettime(CLOCK_REALTIME, &real_start);
0061   rtems_test_assert(rv == 0);
0062   rv = clock_gettime(CLOCK_MONOTONIC, &mono_start);
0063   rtems_test_assert(rv == 0);
0064
0065   rtems_task_wake_after(2 * rtems_clock_get_ticks_per_second());
0066
0067   rv = clock_gettime(CLOCK_REALTIME, &real_end);
0068   rtems_test_assert(rv == 0);
0069   rv = clock_gettime(CLOCK_MONOTONIC, &mono_end);
0070   rtems_test_assert(rv == 0);
0071
0072   rtems_timespec_subtract(&real_start, &real_end, &real_elapsed);
0073   rtems_timespec_subtract(&mono_start, &mono_end, &mono_elapsed);
0074
0075   rtems_test_assert(rtems_timespec_greater_than(&real_elapsed, &min));
0076   rtems_test_assert(rtems_timespec_greater_than(&max, &real_elapsed));
0077   rtems_test_assert(rtems_timespec_greater_than(&mono_elapsed, &min));
0078   rtems_test_assert(rtems_timespec_greater_than(&max, &mono_elapsed));
0079
0080   TEST_END();
0081   rtems_test_exit(0);
0082 }
0083
0084 #define CONFIGURE_MICROSECONDS_PER_TICK 10000
0085
0086 #define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
0087 #define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
0088
0089 #define CONFIGURE_MAXIMUM_TASKS 1
0090
0091 #define CONFIGURE_RTEMS_INIT_TASKS_TABLE
0092
0093 #define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
0094
0095 #define CONFIGURE_INIT
0096
0097 #include <rtems/confdefs.h>