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crc_api_tests.h
1 /* mbed Microcontroller Library
2  * Copyright (c) 2018 ARM Limited
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 /** \addtogroup hal_crc_tests */
18 /** @{*/
19 
20 #ifndef MBED_CRC_API_TESTS_H
21 #define MBED_CRC_API_TESTS_H
22 
23 #include "device.h"
24 
25 #if DEVICE_CRC
26 
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30 
31 /** Test that hal_crc_is_supported() function returns true if given polynomial/width
32  * is supported, false otherwise (at least one predefined polynomial/width must be supported).
33  *
34  * Given is platform with hardware CRC support.
35  *
36  * When given polynomial/width is supported.
37  * Then hal_crc_is_supported() function returns true.
38  *
39  * When given polynomial/width is not supported.
40  * Then hal_crc_is_supported() function returns false.
41  *
42  * Note:
43  * At least one predefined polynomial/width config must be supported.
44  *
45  */
46 void crc_is_supported_test();
47 
48 /** Test that CRC module can be successfully configured, fed with data and the result can
49  * be successfully obtained.
50  *
51  * Given is platform with hardware CRC support.
52  *
53  * When hal_crc_compute_partial_start() function is called.
54  * Then it configures CRC module with the given polynomial.
55  *
56  * When hal_crc_compute_partial() function is called with valid buffer and data length.
57  * Then it feeds CRC module with data.
58  *
59  * When hal_crc_get_result() function is called.
60  * Then CRC value for the given data is returned.
61  *
62  */
63 void crc_calc_single_test();
64 
65 /** Test that hal_crc_compute_partial() function can be call multiple times in
66  * succession in order to provide additional data to CRC module.
67  *
68  * Given is platform with hardware CRC support and CRC module is configured.
69  * When hal_crc_compute_partial() function is called multiple times.
70  * Then each call provides additional data to CRC module.
71  *
72  */
73 void crc_calc_multi_test();
74 
75 /** Test that calling hal_crc_compute_partial_start() without finalising the
76  * CRC calculation overrides the current configuration and partial result.
77  *
78  * Given is platform with hardware CRC support.
79  * When CRC module has been configured and fed with data and reconfigured (without reading the result).
80  * Then the configuration has been overwritten and the new data can be successfully processed.
81  *
82  */
83 void crc_reconfigure_test();
84 
85 /** Test that hal_crc_compute_partial() does nothing if pointer to buffer is undefined or
86  * data length is equal to 0.
87  *
88  * Given is platform with hardware CRC support.
89  * When hal_crc_compute_partial() is called with invalid parameters.
90  * Then no data is provided to CRC module and no exception is generated.
91  *
92  */
93 void crc_compute_partial_invalid_param_test();
94 
95 /** Test that hal_crc_is_supported() returns false if pointer to the config structure is undefined.
96  *
97  * Given is platform with hardware CRC support.
98  * When hal_crc_is_supported() is called with invalid parameter.
99  * Then function returns false.
100  *
101  */
102 void crc_is_supported_invalid_param_test();
103 
104 /**@}*/
105 
106 #ifdef __cplusplus
107 }
108 #endif
109 
110 #endif
111 
112 #endif
113 
114 /**@}*/
crc_compute_partial_invalid_param_test
void crc_compute_partial_invalid_param_test()
Test that hal_crc_compute_partial() does nothing if pointer to buffer is undefined or data length is ...
crc_reconfigure_test
void crc_reconfigure_test()
Test that calling hal_crc_compute_partial_start() without finalising the CRC calculation overrides th...
crc_calc_single_test
void crc_calc_single_test()
Test that CRC module can be successfully configured, fed with data and the result can be successfully...
crc_is_supported_test
void crc_is_supported_test()
Test that hal_crc_is_supported() function returns true if given polynomial/width is supported...
crc_calc_multi_test
void crc_calc_multi_test()
Test that hal_crc_compute_partial() function can be call multiple times in succession in order to pro...
crc_is_supported_invalid_param_test
void crc_is_supported_invalid_param_test()
Test that hal_crc_is_supported() returns false if pointer to the config structure is undefined...
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