Jakub Czapiga | e0c60f3 | 2020-10-09 10:07:47 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | |
| 3 | #include "../lib/timestamp.c" |
| 4 | #include <commonlib/bsd/helpers.h> |
| 5 | #include <tests/test.h> |
| 6 | #include "stubs/timestamp.h" |
| 7 | |
| 8 | /* Timestamp region definition */ |
| 9 | #define TIMESTAMP_REGION_SIZE (1 * KiB) |
| 10 | TEST_REGION(timestamp, TIMESTAMP_REGION_SIZE); |
| 11 | |
| 12 | void test_timestamp_init(void **state) |
| 13 | { |
| 14 | timestamp_init(1000); |
| 15 | |
| 16 | assert_non_null(glob_ts_table); |
| 17 | } |
| 18 | |
| 19 | void test_timestamp_add(void **state) |
| 20 | { |
| 21 | const int base_multipler = 2000; |
| 22 | const int timestamp_base = 1000; |
| 23 | struct timestamp_entry *entry; |
| 24 | int i; |
| 25 | |
| 26 | timestamp_init(timestamp_base); |
| 27 | |
| 28 | timestamp_add(TS_START_ROMSTAGE, base_multipler); |
| 29 | |
| 30 | assert_int_equal(1, glob_ts_table->num_entries); |
| 31 | |
| 32 | entry = &glob_ts_table->entries[0]; |
| 33 | assert_int_equal(1, entry->entry_id); |
| 34 | assert_int_equal(base_multipler - timestamp_base, /* Added timestamp reduced by base */ |
| 35 | entry->entry_stamp); |
| 36 | |
| 37 | /* Add few timestamps to check if all of them will be added properly */ |
| 38 | for (i = 1; i < 10; ++i) |
| 39 | timestamp_add(i + 1, base_multipler * (i + 1)); |
| 40 | |
| 41 | assert_int_equal(10, glob_ts_table->num_entries); |
| 42 | |
| 43 | for (i = 0; i < 10; ++i) { |
| 44 | entry = &glob_ts_table->entries[i]; |
| 45 | assert_int_equal(i + 1, entry->entry_id); |
| 46 | assert_int_equal(base_multipler * (i + 1) - timestamp_base, |
| 47 | entry->entry_stamp); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | void test_timestamp_add_now(void **state) |
| 52 | { |
| 53 | const int base_multipler = 2000; |
| 54 | const int timestamp_base = 1000; |
| 55 | struct timestamp_entry *entry; |
| 56 | |
| 57 | /* Initialize with base timestamp of 1000. |
| 58 | * This value will be subtracted from each timestamp |
| 59 | * when adding it. |
| 60 | */ |
| 61 | timestamp_init(timestamp_base); |
| 62 | |
| 63 | dummy_timestamp_set(base_multipler); |
| 64 | |
| 65 | timestamp_add_now(TS_START_ROMSTAGE); |
| 66 | |
| 67 | assert_int_equal(1, glob_ts_table->num_entries); |
| 68 | |
| 69 | entry = &glob_ts_table->entries[0]; |
| 70 | |
| 71 | assert_int_equal(1, entry->entry_id); |
| 72 | assert_int_equal(base_multipler - timestamp_base, /* Added timestamp reduced by base */ |
| 73 | entry->entry_stamp); |
| 74 | } |
| 75 | |
| 76 | void test_timestamp_rescale_table(void **state) |
| 77 | { |
| 78 | const int base_multipler = 1000; |
| 79 | int i; |
| 80 | |
| 81 | timestamp_init(0); |
| 82 | |
| 83 | /* Add few timestamps to check if all of them will be rescaled properly */ |
| 84 | for (i = 1; i <= 10; ++i) |
| 85 | timestamp_add(i, base_multipler * i); |
| 86 | |
| 87 | /* Check if all entries were added to table */ |
| 88 | assert_int_equal(10, glob_ts_table->num_entries); |
| 89 | |
| 90 | timestamp_rescale_table(2, 4); |
| 91 | |
| 92 | /* Check if there is the same number of entries */ |
| 93 | assert_int_equal(10, glob_ts_table->num_entries); |
| 94 | |
| 95 | for (i = 0; i < glob_ts_table->num_entries; ++i) |
| 96 | assert_int_equal(base_multipler * (i + 1) / 4 * 2, |
| 97 | glob_ts_table->entries[i].entry_stamp); |
| 98 | } |
| 99 | |
| 100 | void test_get_us_since_boot(void **state) |
| 101 | { |
| 102 | const int base_multipler = 10000; |
| 103 | const int timestamp_base = 1000; |
| 104 | const int freq_base = 100; |
| 105 | |
| 106 | timestamp_init(timestamp_base); |
| 107 | dummy_timestamp_set(base_multipler); |
| 108 | dummy_timestamp_tick_freq_mhz_set(freq_base); |
| 109 | /* There is a need to update this field manually, because cbmem hooks are not used. */ |
| 110 | glob_ts_table->tick_freq_mhz = freq_base; |
| 111 | |
| 112 | assert_int_equal((base_multipler - timestamp_base) / freq_base, get_us_since_boot()); |
| 113 | } |
| 114 | |
| 115 | int setup_timestamp_and_freq(void **state) |
| 116 | { |
| 117 | dummy_timestamp_set(0); |
| 118 | dummy_timestamp_tick_freq_mhz_set(1); |
| 119 | |
| 120 | return 0; |
| 121 | } |
| 122 | |
| 123 | int main(void) |
| 124 | { |
| 125 | const struct CMUnitTest tests[] = { |
| 126 | cmocka_unit_test_setup(test_timestamp_init, setup_timestamp_and_freq), |
| 127 | cmocka_unit_test_setup(test_timestamp_add, setup_timestamp_and_freq), |
| 128 | cmocka_unit_test_setup(test_timestamp_add_now, setup_timestamp_and_freq), |
| 129 | cmocka_unit_test_setup(test_timestamp_rescale_table, setup_timestamp_and_freq), |
| 130 | cmocka_unit_test_setup(test_get_us_since_boot, setup_timestamp_and_freq), |
| 131 | }; |
| 132 | |
| 133 | #if CONFIG(COLLECT_TIMESTAMPS) |
Jakub Czapiga | 7c6081e | 2021-08-25 16:27:35 +0200 | [diff] [blame] | 134 | return cb_run_group_tests(tests, NULL, NULL); |
Jakub Czapiga | e0c60f3 | 2020-10-09 10:07:47 +0200 | [diff] [blame] | 135 | #else |
| 136 | return 0; |
| 137 | #endif |
| 138 | } |