esp-idf/components/nvs_flash/test/test_nvs.c

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#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <stdlib.h>
#include <time.h>
#include "unity.h"
#include "nvs.h"
#include "nvs_flash.h"
#include "esp_partition.h"
#include "esp_log.h"
#include <string.h>
static const char* TAG = "test_nvs";
TEST_CASE("various nvs tests", "[nvs]")
{
nvs_handle handle_1;
esp_err_t err = nvs_flash_init();
if (err == ESP_ERR_NVS_NO_FREE_PAGES) {
ESP_LOGW(TAG, "nvs_flash_init failed (0x%x), erasing partition and retrying", err);
const esp_partition_t* nvs_partition = esp_partition_find_first(
ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_NVS, NULL);
assert(nvs_partition && "partition table must have an NVS partition");
ESP_ERROR_CHECK( esp_partition_erase_range(nvs_partition, 0, nvs_partition->size) );
err = nvs_flash_init();
}
ESP_ERROR_CHECK( err );
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TEST_ESP_ERR(nvs_open("test_namespace1", NVS_READONLY, &handle_1), ESP_ERR_NVS_NOT_FOUND);
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TEST_ESP_ERR(nvs_set_i32(handle_1, "foo", 0x12345678), ESP_ERR_NVS_INVALID_HANDLE);
nvs_close(handle_1);
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TEST_ESP_OK(nvs_open("test_namespace2", NVS_READWRITE, &handle_1));
TEST_ESP_OK(nvs_erase_all(handle_1));
TEST_ESP_OK(nvs_set_i32(handle_1, "foo", 0x12345678));
TEST_ESP_OK(nvs_set_i32(handle_1, "foo", 0x23456789));
nvs_handle handle_2;
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TEST_ESP_OK(nvs_open("test_namespace3", NVS_READWRITE, &handle_2));
TEST_ESP_OK(nvs_erase_all(handle_2));
TEST_ESP_OK(nvs_set_i32(handle_2, "foo", 0x3456789a));
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const char* str = "value 0123456789abcdef0123456789abcdef";
TEST_ESP_OK(nvs_set_str(handle_2, "key", str));
int32_t v1;
TEST_ESP_OK(nvs_get_i32(handle_1, "foo", &v1));
TEST_ASSERT_EQUAL_INT32(0x23456789, v1);
int32_t v2;
TEST_ESP_OK(nvs_get_i32(handle_2, "foo", &v2));
TEST_ASSERT_EQUAL_INT32(0x3456789a, v2);
char buf[strlen(str) + 1];
size_t buf_len = sizeof(buf);
TEST_ESP_OK(nvs_get_str(handle_2, "key", buf, &buf_len));
TEST_ASSERT_EQUAL_INT32(0, strcmp(buf, str));
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nvs_close(handle_1);
nvs_close(handle_2);
}