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Merge branch 'bugfix/nvs_page_selection' into 'master'

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nvs: Fix page selection algo to consider free entry counts as well

See merge request idf/esp-idf!2240
This commit is contained in:
Ivan Grokhotkov
2018-04-16 10:32:01 +08:00
parent 5029eb4b3b 7e79471ece
commit d0d314d8f8
2 changed files with 32 additions and 9 deletions
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components/nvs_flash/test_nvs_host/test_nvs.cpp
+21
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@@ -1246,6 +1246,27 @@ TEST_CASE("multiple partitions access check", "[nvs]")
CHECK(v2 == 0xcafebabe);
}
TEST_CASE("nvs page selection takes into account free entries also not just erased entries", "[nvs]")
{
const size_t blob_size = Page::BLOB_MAX_SIZE;
uint8_t blob[blob_size] = {0};
SpiFlashEmulator emu(3);
TEST_ESP_OK( nvs_flash_init_custom(NVS_DEFAULT_PART_NAME, 0, 3) );
nvs_handle handle;
TEST_ESP_OK( nvs_open("test", NVS_READWRITE, &handle) );
// Fill first page
TEST_ESP_OK( nvs_set_blob(handle, "1a", blob, blob_size/3) );
TEST_ESP_OK( nvs_set_blob(handle, "1b", blob, blob_size) );
// Fill second page
TEST_ESP_OK( nvs_set_blob(handle, "2a", blob, blob_size) );
TEST_ESP_OK( nvs_set_blob(handle, "2b", blob, blob_size) );
// The item below should be able to fit the first page.
TEST_ESP_OK( nvs_set_blob(handle, "3a", blob, 4) );
TEST_ESP_OK( nvs_commit(handle) );
nvs_close(handle);
}
TEST_CASE("dump all performance data", "[nvs]")
{
std::cout << "====================" << std::endl << "Dumping benchmarks" << std::endl;