1 /*
2 * Copyright (c) 2023, Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6 #include <zephyr/drivers/retained_mem.h>
7 #include <zephyr/ztest.h>
8 #include <errno.h>
9
10 const static struct device *retained_mem_test_device = DEVICE_DT_GET(DT_ALIAS(
11 retainedmemtestdevice));
12
13 #if CONFIG_RETAINED_MEM_SIZE_LIMITED
14 /* For size-limited tests, use data size of 1 byte */
15 static uint8_t data[1] = {
16 0x5b,
17 };
18 static uint8_t empty_data[1] = {
19 0x00,
20 };
21 static uint8_t buffer[1];
22 #else
23 /* For other devices, use data size of 10 bytes */
24 static uint8_t data[10] = {
25 0x23, 0x82, 0xa8, 0x7b, 0xde, 0x18, 0x00, 0xff, 0x8e, 0xd6,
26 };
27 static uint8_t empty_data[10] = {
28 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
29 };
30 static uint8_t buffer[10];
31 #endif
32
ZTEST(retained_mem_api,test_read_write)33 ZTEST(retained_mem_api, test_read_write)
34 {
35 int32_t rc;
36
37 rc = retained_mem_write(retained_mem_test_device, 0, data, sizeof(data));
38 zassert_equal(rc, 0, "Return code should be success");
39
40 memset(buffer, 0, sizeof(buffer));
41
42 rc = retained_mem_read(retained_mem_test_device, 0, buffer, sizeof(buffer));
43 zassert_equal(rc, 0, "Return code should be success");
44
45 zassert_mem_equal(data, buffer, sizeof(data), "Expected written data to match");
46 }
47
ZTEST(retained_mem_api,test_size)48 ZTEST(retained_mem_api, test_size)
49 {
50 int32_t rc;
51
52 rc = retained_mem_size(retained_mem_test_device);
53 zassume_between_inclusive(rc, 1, 0x4000, "Retained memory size is not valid");
54 }
55
ZTEST(retained_mem_api,test_clear)56 ZTEST(retained_mem_api, test_clear)
57 {
58 int32_t rc;
59
60 rc = retained_mem_clear(retained_mem_test_device);
61 zassert_equal(rc, 0, "Return code should be success");
62
63 rc = retained_mem_write(retained_mem_test_device, 0, data, sizeof(data));
64 zassert_equal(rc, 0, "Return code should be success");
65
66 rc = retained_mem_read(retained_mem_test_device, 0, buffer, sizeof(buffer));
67 zassert_equal(rc, 0, "Return code should be success");
68
69 zassert_mem_equal(data, buffer, sizeof(data), "Expected written data to match");
70
71 rc = retained_mem_clear(retained_mem_test_device);
72 zassert_equal(rc, 0, "Return code should be success");
73
74 rc = retained_mem_read(retained_mem_test_device, 0, buffer, sizeof(buffer));
75 zassert_equal(rc, 0, "Return code should be success");
76
77 zassert_mem_equal(empty_data, buffer, sizeof(empty_data), "Expected data to be 0x00's");
78 }
79
80 ZTEST_SUITE(retained_mem_api, NULL, NULL, NULL, NULL, NULL);
81
