1 | /* SPDX-License-Identifier: BSD-2-Clause */ |
---|
2 | |
---|
3 | /** |
---|
4 | * @file |
---|
5 | * |
---|
6 | * @ingroup RTEMSTestCaseRtemsClockValClock |
---|
7 | */ |
---|
8 | |
---|
9 | /* |
---|
10 | * Copyright (C) 2021 embedded brains GmbH (http://www.embedded-brains.de) |
---|
11 | * |
---|
12 | * Redistribution and use in source and binary forms, with or without |
---|
13 | * modification, are permitted provided that the following conditions |
---|
14 | * are met: |
---|
15 | * 1. Redistributions of source code must retain the above copyright |
---|
16 | * notice, this list of conditions and the following disclaimer. |
---|
17 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
18 | * notice, this list of conditions and the following disclaimer in the |
---|
19 | * documentation and/or other materials provided with the distribution. |
---|
20 | * |
---|
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
---|
22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
---|
25 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
---|
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
---|
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
---|
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
---|
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
---|
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
---|
31 | * POSSIBILITY OF SUCH DAMAGE. |
---|
32 | */ |
---|
33 | |
---|
34 | /* |
---|
35 | * This file is part of the RTEMS quality process and was automatically |
---|
36 | * generated. If you find something that needs to be fixed or |
---|
37 | * worded better please post a report or patch to an RTEMS mailing list |
---|
38 | * or raise a bug report: |
---|
39 | * |
---|
40 | * https://www.rtems.org/bugs.html |
---|
41 | * |
---|
42 | * For information on updating and regenerating please refer to the How-To |
---|
43 | * section in the Software Requirements Engineering chapter of the |
---|
44 | * RTEMS Software Engineering manual. The manual is provided as a part of |
---|
45 | * a release. For development sources please refer to the online |
---|
46 | * documentation at: |
---|
47 | * |
---|
48 | * https://docs.rtems.org |
---|
49 | */ |
---|
50 | |
---|
51 | #ifdef HAVE_CONFIG_H |
---|
52 | #include "config.h" |
---|
53 | #endif |
---|
54 | |
---|
55 | #include <rtems.h> |
---|
56 | |
---|
57 | #include "ts-config.h" |
---|
58 | #include "tx-support.h" |
---|
59 | |
---|
60 | #include <rtems/test.h> |
---|
61 | |
---|
62 | /** |
---|
63 | * @defgroup RTEMSTestCaseRtemsClockValClock spec:/rtems/clock/val/clock |
---|
64 | * |
---|
65 | * @ingroup RTEMSTestSuiteTestsuitesValidationNoClock0 |
---|
66 | * |
---|
67 | * @brief Tests some @ref RTEMSAPIClassicClock directives. |
---|
68 | * |
---|
69 | * This test case performs the following actions: |
---|
70 | * |
---|
71 | * - Use the rtems_clock_get_ticks_since_boot() function. |
---|
72 | * |
---|
73 | * - Check that clock tick gets incremented. |
---|
74 | * |
---|
75 | * - Use the rtems_clock_get_ticks_per_second() function. |
---|
76 | * |
---|
77 | * - Check that rtems_clock_get_ticks_per_second() actually returns 1us / |
---|
78 | * CONFIGURE_MICROSECONDS_PER_TICK. |
---|
79 | * |
---|
80 | * @{ |
---|
81 | */ |
---|
82 | |
---|
83 | /** |
---|
84 | * @brief Use the rtems_clock_get_ticks_since_boot() function. |
---|
85 | */ |
---|
86 | static void RtemsClockValClock_Action_0( void ) |
---|
87 | { |
---|
88 | rtems_interval result_0; |
---|
89 | rtems_interval result_1; |
---|
90 | int32_t difference; /* Note: rtems_interval = uint32_t (unsigned!) */ |
---|
91 | |
---|
92 | result_0 = rtems_clock_get_ticks_since_boot(); |
---|
93 | ClockTick(); |
---|
94 | result_1 = rtems_clock_get_ticks_since_boot(); |
---|
95 | /* |
---|
96 | * Because of the ones-complement, the overflow |
---|
97 | * is handled correctly. result_0 = 0xFFFFFFFF will become -1 |
---|
98 | * and result_1 = 0x0 will become 0. |
---|
99 | */ |
---|
100 | difference = (int32_t) result_1 - (int32_t) result_0; |
---|
101 | |
---|
102 | /* |
---|
103 | * Check that clock tick gets incremented. |
---|
104 | */ |
---|
105 | T_step_eq_i32( 0, difference, 1 ); |
---|
106 | } |
---|
107 | |
---|
108 | /** |
---|
109 | * @brief Use the rtems_clock_get_ticks_per_second() function. |
---|
110 | */ |
---|
111 | static void RtemsClockValClock_Action_1( void ) |
---|
112 | { |
---|
113 | rtems_interval result; |
---|
114 | result = rtems_clock_get_ticks_per_second(); |
---|
115 | |
---|
116 | /* |
---|
117 | * Check that rtems_clock_get_ticks_per_second() actually returns 1us / |
---|
118 | * CONFIGURE_MICROSECONDS_PER_TICK. |
---|
119 | */ |
---|
120 | T_step_eq_u32( 1, result, 1000000UL / TEST_MICROSECONDS_PER_TICK ); |
---|
121 | } |
---|
122 | |
---|
123 | /** |
---|
124 | * @fn void T_case_body_RtemsClockValClock( void ) |
---|
125 | */ |
---|
126 | T_TEST_CASE( RtemsClockValClock ) |
---|
127 | { |
---|
128 | T_plan( 2 ); |
---|
129 | |
---|
130 | RtemsClockValClock_Action_0(); |
---|
131 | RtemsClockValClock_Action_1(); |
---|
132 | } |
---|
133 | |
---|
134 | /** @} */ |
---|