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general_tests_phase_2: SecureStore's underlying TDBStore must be large enough 

The test case set_add_data_set_key_value_five_Kbytes stores
5KB of value, and to allow for overheads, we allocate at least
8KB per area of TDBStore (so 16KB for two areas of a whole
TDBStore).
pull/13848/head
Lingkai Dong 2020-11-12 16:10:19 +00:00
parent 76cf78d654
commit 13c5b64e16
1 changed files with 7 additions and 2 deletions
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9
storage/kvstore/tests/TESTS/kvstore/general_tests_phase_2/main.cpp
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@ -79,6 +79,7 @@ static void kvstore_init()
// be a close enough approximation to act as a guideline for how much of the block device we
// need to erase in order to ensure a stable initial condition.
const size_t PAGES_ESTIMATE = 40;
const size_t MIN_TDBSTORE_SIZE = 2 * 8 * 1024; // two areas, minimum 8KB per area
int res;
size_t program_size, erase_size, ul_bd_size, rbp_bd_size;
@ -133,8 +134,12 @@ static void kvstore_init()
erase_size = sec_bd->get_erase_size();
// We must be able to hold at least 10 small keys (20 program sectors) and master record + internal data
// but minimum of 2 erase sectors, so that the garbage collection way work
ul_bd_size = align_up(program_size * PAGES_ESTIMATE, erase_size * 2);
rbp_bd_size = align_up(program_size * PAGES_ESTIMATE, erase_size * 2);
// Also, the total size needs to be large enough for set_add_data_set_key_value_five_Kbytes (5KB value)
// and to allow for overheads, we require at least 2 * 8KB for two areas per TDBStore
ul_bd_size = program_size * PAGES_ESTIMATE;
ul_bd_size = ul_bd_size > MIN_TDBSTORE_SIZE ? ul_bd_size : MIN_TDBSTORE_SIZE;
ul_bd_size = align_up(ul_bd_size, erase_size * 2);
rbp_bd_size = ul_bd_size;
res = sec_bd->deinit();
TEST_ASSERT_EQUAL_ERROR_CODE(MBED_SUCCESS, res);