--- /dev/null
+#include <string.h>
+#include "unity.h"
+#include "wear_levelling.h"
+#include "test_utils.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/portable.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+
+TEST_CASE("wl_unmount doesn't leak memory", "[wear_levelling]")
+{
+ const esp_partition_t *partition = get_test_data_partition();
+ wl_handle_t handle;
+ // dummy unmount is needed to initialize static lock in WL
+ wl_unmount(WL_INVALID_HANDLE);
+ size_t size_before = xPortGetFreeHeapSize();
+ TEST_ESP_OK(wl_mount(partition, &handle));
+ wl_unmount(handle);
+ size_t size_after = xPortGetFreeHeapSize();
+ TEST_ASSERT_EQUAL_UINT32(size_before, size_after);
+}
+
+TEST_CASE("wl_mount check partition parameters", "[wear_levelling][ignore]")
+{
+ const esp_partition_t *test_partition = get_test_data_partition();
+ esp_partition_t fake_partition;
+ memcpy(&fake_partition, test_partition, sizeof(fake_partition));
+ wl_handle_t handle;
+ size_t size_before, size_after;
+
+ // test small partition
+ fake_partition.size = SPI_FLASH_SEC_SIZE;
+ size_before = xPortGetFreeHeapSize();
+ TEST_ESP_ERR(ESP_ERR_INVALID_ARG, wl_mount(&fake_partition, &handle));
+ size_after = xPortGetFreeHeapSize();
+ TEST_ASSERT_EQUAL_HEX32(size_before, size_after);
+ // currently this test leaks memory
+
+ // test slightly bigger partition
+ fake_partition.size = SPI_FLASH_SEC_SIZE * 3;
+ size_before = xPortGetFreeHeapSize();
+ TEST_ESP_ERR(ESP_ERR_INVALID_ARG, wl_mount(&fake_partition, &handle));
+ size_after = xPortGetFreeHeapSize();
+ TEST_ASSERT_EQUAL_HEX32(size_before, size_after);
+ // currently this test hangs
+}
+
+typedef struct {
+ size_t offset;
+ bool write;
+ size_t word_count;
+ int seed;
+ SemaphoreHandle_t done;
+ int result;
+ wl_handle_t handle;
+} read_write_test_arg_t;
+
+#define READ_WRITE_TEST_ARG_INIT(offset_, seed_, handle_) \
+ { \
+ .offset = offset_, \
+ .seed = seed_, \
+ .word_count = 1024, \
+ .write = true, \
+ .done = xSemaphoreCreateBinary(), \
+ .handle = handle_ \
+ }
+
+static void read_write_task(void* param)
+{
+ read_write_test_arg_t* args = (read_write_test_arg_t*) param;
+ esp_err_t err;
+ srand(args->seed);
+ for (size_t i = 0; i < args->word_count; ++i) {
+ uint32_t val = rand();
+ if (args->write) {
+ err = wl_write(args->handle, args->offset + i * sizeof(val), &val, sizeof(val));
+ if (err != ESP_OK) {
+ args->result = err;
+ goto done;
+ }
+ } else {
+ uint32_t rval;
+ err = wl_read(args->handle, args->offset + i * sizeof(rval), &rval, sizeof(rval));
+ if (err != ESP_OK || rval != val) {
+ ets_printf("E: i=%d, cnt=%d rval=%d val=%d\n\n", i, args->word_count, rval, val);
+ args->result = ESP_FAIL;
+ goto done;
+ }
+ }
+ }
+ args->result = ESP_OK;
+
+done:
+ xSemaphoreGive(args->done);
+ vTaskDelay(1);
+ vTaskDelete(NULL);
+}
+
+TEST_CASE("multiple tasks can access wl handle simultaneously", "[wear_levelling]")
+{
+ const esp_partition_t *partition = get_test_data_partition();
+ wl_handle_t handle;
+ TEST_ESP_OK(wl_mount(partition, &handle));
+
+ size_t sector_size = wl_sector_size(handle);
+ TEST_ESP_OK(wl_erase_range(handle, 0, sector_size * 4));
+ read_write_test_arg_t args1 = READ_WRITE_TEST_ARG_INIT(0, 1, handle);
+ read_write_test_arg_t args2 = READ_WRITE_TEST_ARG_INIT(sector_size, 2, handle);
+ const size_t stack_size = 4096;
+
+ printf("writing 1 and 2\n");
+ xTaskCreatePinnedToCore(&read_write_task, "rw1", stack_size, &args1, 3, NULL, 0);
+ xTaskCreatePinnedToCore(&read_write_task, "rw2", stack_size, &args2, 3, NULL, 1);
+
+ xSemaphoreTake(args1.done, portMAX_DELAY);
+ printf("f1 done\n");
+ TEST_ASSERT_EQUAL(ESP_OK, args1.result);
+ xSemaphoreTake(args2.done, portMAX_DELAY);
+ printf("f2 done\n");
+ TEST_ASSERT_EQUAL(ESP_OK, args2.result);
+
+ args1.write = false;
+ args2.write = false;
+ read_write_test_arg_t args3 = READ_WRITE_TEST_ARG_INIT(2 * sector_size, 3, handle);
+ read_write_test_arg_t args4 = READ_WRITE_TEST_ARG_INIT(3 * sector_size, 4, handle);
+
+ printf("reading 1 and 2, writing 3 and 4\n");
+ xTaskCreatePinnedToCore(&read_write_task, "rw3", stack_size, &args3, 3, NULL, 1);
+ xTaskCreatePinnedToCore(&read_write_task, "rw4", stack_size, &args4, 3, NULL, 0);
+ xTaskCreatePinnedToCore(&read_write_task, "rw1", stack_size, &args1, 3, NULL, 0);
+ xTaskCreatePinnedToCore(&read_write_task, "rw2", stack_size, &args2, 3, NULL, 1);
+
+ xSemaphoreTake(args1.done, portMAX_DELAY);
+ printf("f1 done\n");
+ TEST_ASSERT_EQUAL(ESP_OK, args1.result);
+ xSemaphoreTake(args2.done, portMAX_DELAY);
+ printf("f2 done\n");
+ TEST_ASSERT_EQUAL(ESP_OK, args2.result);
+ xSemaphoreTake(args3.done, portMAX_DELAY);
+ printf("f3 done\n");
+ TEST_ASSERT_EQUAL(ESP_OK, args3.result);
+ xSemaphoreTake(args4.done, portMAX_DELAY);
+ printf("f4 done\n");
+ TEST_ASSERT_EQUAL(ESP_OK, args4.result);
+
+ vSemaphoreDelete(args1.done);
+ vSemaphoreDelete(args2.done);
+ vSemaphoreDelete(args3.done);
+ vSemaphoreDelete(args4.done);
+ wl_unmount(handle);
+}