switch-pico/tests/profile_storage_test.cpp

658 lines
28 KiB
C++

#include "core/controller_identity.h"
#include "profile/controller_profile.h"
#include "profile/profile_storage.h"
#include "controller_profile_legacy_fixtures.h"
#include <cstdlib>
#include <cstring>
#include <iostream>
namespace {
struct FakeFlash {
uint8_t bytes[PROFILE_STORAGE_BANK_COUNT][PROFILE_STORAGE_BANK_SIZE];
int successful_programs = 0;
int fail_after_programs = -1;
bool corrupt_next_program = false;
int corrupt_header_padding_offset = -1;
bool fail_reads_after_header_program = false;
bool header_programmed = false;
int erase_count = 0;
int bank_replacements = 0;
};
FakeFlash flash{};
ControllerProfileDatabase database{};
ControllerProfileDatabase recovered_database{};
uint8_t encoded_database[CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE]{};
void require(bool condition, const char* message) {
if (!condition) {
std::cerr << message << '\n';
std::exit(1);
}
}
void erase_all() {
memset(flash.bytes, 0xff, sizeof(flash.bytes));
flash.successful_programs = 0;
flash.fail_after_programs = -1;
flash.corrupt_next_program = false;
flash.corrupt_header_padding_offset = -1;
flash.fail_reads_after_header_program = false;
flash.header_programmed = false;
flash.erase_count = 0;
flash.bank_replacements = 0;
}
bool fake_read(void* context, uint8_t bank, size_t offset,
uint8_t* output, size_t size) {
auto* storage = static_cast<FakeFlash*>(context);
if (storage->fail_reads_after_header_program &&
storage->header_programmed) {
return false;
}
if (bank >= PROFILE_STORAGE_BANK_COUNT ||
offset > PROFILE_STORAGE_BANK_SIZE ||
size > PROFILE_STORAGE_BANK_SIZE - offset) {
return false;
}
memcpy(output, &storage->bytes[bank][offset], size);
return true;
}
bool fake_replace_bank(void* context, uint8_t bank,
const uint8_t* payload, size_t payload_size,
const uint8_t* header, size_t header_size) {
auto* storage = static_cast<FakeFlash*>(context);
if (bank >= PROFILE_STORAGE_BANK_COUNT || payload == nullptr ||
header == nullptr ||
payload_size != CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE ||
header_size != PROFILE_STORAGE_RECORD_HEADER_SIZE) {
return false;
}
++storage->bank_replacements;
memset(storage->bytes[bank], 0xff, PROFILE_STORAGE_BANK_SIZE);
storage->erase_count +=
static_cast<int>(PROFILE_STORAGE_SECTORS_PER_BANK);
uint8_t final_page[PROFILE_STORAGE_PAGE_SIZE]{};
for (size_t offset = 0; offset < payload_size;
offset += PROFILE_STORAGE_PAGE_SIZE) {
if (storage->fail_after_programs >= 0 &&
storage->successful_programs >=
storage->fail_after_programs) {
return false;
}
const size_t remaining = payload_size - offset;
const uint8_t* page = &payload[offset];
if (remaining < PROFILE_STORAGE_PAGE_SIZE) {
memcpy(final_page, page, remaining);
page = final_page;
}
memcpy(
&storage->bytes[bank][
PROFILE_STORAGE_RECORD_HEADER_SIZE + offset],
page, PROFILE_STORAGE_PAGE_SIZE);
if (storage->corrupt_next_program) {
storage->bytes[bank][
PROFILE_STORAGE_RECORD_HEADER_SIZE + offset] ^= 1;
storage->corrupt_next_program = false;
}
++storage->successful_programs;
}
if (memcmp(
&storage->bytes[bank][PROFILE_STORAGE_RECORD_HEADER_SIZE],
payload, payload_size) != 0) {
return false;
}
if (storage->fail_after_programs >= 0 &&
storage->successful_programs >= storage->fail_after_programs) {
return false;
}
memcpy(storage->bytes[bank], header, header_size);
storage->header_programmed = true;
++storage->successful_programs;
if (storage->corrupt_header_padding_offset >= 24 &&
static_cast<size_t>(
storage->corrupt_header_padding_offset) < header_size) {
storage->bytes[bank][
static_cast<size_t>(
storage->corrupt_header_padding_offset)] ^= 1;
}
return memcmp(storage->bytes[bank], header, header_size) == 0;
}
ProfileStorageIo fake_io() {
return {
&flash,
PROFILE_STORAGE_BANK_SIZE,
PROFILE_STORAGE_SECTOR_SIZE,
PROFILE_STORAGE_PAGE_SIZE,
fake_read,
fake_replace_bank,
};
}
uint16_t fixture_read_u16(const uint8_t* input) {
return static_cast<uint16_t>(input[0]) |
static_cast<uint16_t>(input[1] << 8);
}
void fixture_write_u16(uint8_t* output, uint16_t value) {
output[0] = static_cast<uint8_t>(value);
output[1] = static_cast<uint8_t>(value >> 8);
}
void fixture_write_u32(uint8_t* output, uint32_t value) {
output[0] = static_cast<uint8_t>(value);
output[1] = static_cast<uint8_t>(value >> 8);
output[2] = static_cast<uint8_t>(value >> 16);
output[3] = static_cast<uint8_t>(value >> 24);
}
void install_legacy_database_bank_fixture() {
erase_all();
constexpr uint8_t kBank = 1;
constexpr uint32_t kGeneration = 41;
constexpr size_t kFallbackOffset =
CONTROLLER_PROFILE_DATABASE_HEADER_SIZE;
constexpr size_t kEntryOffset =
kFallbackOffset +
CONTROLLER_PROFILE_COUNT * CONTROLLER_PROFILE_ENCODED_SIZE;
constexpr uint8_t kEntryHeader[CONTROLLER_PROFILE_DATABASE_ENTRY_HEADER_SIZE] = {
1, 1, 7, 0, 1, 2, 3, 4, 5, 6, 0x7e, 0x05, 0x09, 0x20, 3, 1,
};
uint8_t* const record = flash.bytes[kBank];
uint8_t* const payload = record + PROFILE_STORAGE_RECORD_HEADER_SIZE;
memset(record, 0, PROFILE_STORAGE_RECORD_HEADER_SIZE);
memset(payload, 0, CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE);
memcpy(payload, "SPDB", 4);
fixture_write_u16(&payload[4],
CONTROLLER_PROFILE_DATABASE_LEGACY_SCHEMA_VERSION);
fixture_write_u16(
&payload[6],
static_cast<uint16_t>(CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE));
payload[8] = CONTROLLER_PROFILE_STABLE_IDENTITY_CAPACITY;
payload[9] = CONTROLLER_PROFILE_COUNT;
payload[10] = 2;
payload[11] = 1;
for (uint8_t profile_index = 0;
profile_index < CONTROLLER_PROFILE_COUNT; ++profile_index) {
const uint8_t* fixture =
profile_index == 0
? kLegacyNarrowRawRangeProfile
: profile_index == 1 ? kLegacyCustomThresholdProfile
: kLegacyDefaultProfile;
memcpy(&payload[kFallbackOffset +
profile_index * CONTROLLER_PROFILE_ENCODED_SIZE],
fixture, CONTROLLER_PROFILE_ENCODED_SIZE);
}
memcpy(&payload[kEntryOffset], kEntryHeader, sizeof(kEntryHeader));
for (uint8_t profile_index = 0;
profile_index < CONTROLLER_PROFILE_COUNT; ++profile_index) {
const uint8_t* fixture =
profile_index == 0
? kLegacyNarrowRawRangeProfile
: profile_index == 3 ? kLegacyCustomThresholdProfile
: kLegacyDefaultProfile;
memcpy(&payload[kEntryOffset +
CONTROLLER_PROFILE_DATABASE_ENTRY_HEADER_SIZE +
profile_index * CONTROLLER_PROFILE_ENCODED_SIZE],
fixture, CONTROLLER_PROFILE_ENCODED_SIZE);
}
const uint32_t payload_crc = profile_storage_crc32(
payload, CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE);
memcpy(record, "SPPF", 4);
fixture_write_u16(&record[4], 1);
fixture_write_u16(&record[6],
CONTROLLER_PROFILE_DATABASE_LEGACY_SCHEMA_VERSION);
fixture_write_u32(&record[8], kGeneration);
fixture_write_u32(
&record[12],
static_cast<uint32_t>(CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE));
fixture_write_u32(&record[16], payload_crc);
fixture_write_u32(&record[20], profile_storage_crc32(record, 20));
}
void test_initialize_requires_batch_replacement() {
erase_all();
ProfileStorageIo io = fake_io();
io.replace_bank = nullptr;
ProfileStorage storage;
require(!storage.initialize(io, &database),
"profile storage initialized without bank replacement");
}
void test_two_bank_recovery() {
erase_all();
controller_profile_database_default(&database);
ProfileStorage storage;
require(storage.initialize(fake_io(), &database) &&
!storage.snapshot().valid,
"erased profile storage did not initialize empty");
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk &&
storage.snapshot().generation == 1,
"first profile database did not commit");
const int programs_after_first = flash.successful_programs;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kUnchanged &&
flash.successful_programs == programs_after_first,
"unchanged profile database consumed flash writes");
database.fallback_profiles[0].button_map[0] = 1;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk &&
storage.snapshot().generation == 2,
"second profile database generation did not commit");
ProfileStorage reloaded;
require(reloaded.initialize(fake_io(), &recovered_database) &&
reloaded.snapshot().generation == 2 &&
recovered_database.fallback_profiles[0].button_map[0] == 1,
"latest profile database did not survive reload");
const uint8_t newest_bank = reloaded.snapshot().active_bank;
flash.bytes[newest_bank][PROFILE_STORAGE_RECORD_HEADER_SIZE + 4] ^= 1;
ProfileStorage after_corruption;
require(after_corruption.initialize(fake_io(), &recovered_database) &&
after_corruption.snapshot().generation == 1 &&
recovered_database.fallback_profiles[0].button_map[0] == 0,
"corrupt newest profile bank did not roll back");
}
void test_interrupted_commit_retains_previous_bank() {
erase_all();
controller_profile_database_default(&database);
ProfileStorage storage;
require(storage.initialize(fake_io(), &database) &&
storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk,
"interruption baseline did not commit");
database.fallback_profiles[1].button_map[2] = 3;
flash.fail_after_programs = flash.successful_programs + 1;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kIoError,
"interrupted profile write reported success");
flash.fail_after_programs = -1;
ProfileStorage recovered;
require(recovered.initialize(fake_io(), &recovered_database) &&
recovered.snapshot().generation == 1 &&
recovered_database.fallback_profiles[1].button_map[2] == 2,
"interrupted profile write replaced previous bank");
}
void test_successful_header_program_is_commit_point() {
erase_all();
controller_profile_database_default(&database);
ProfileStorage storage;
require(storage.initialize(fake_io(), &database) &&
storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk,
"commit-point baseline did not commit");
database.fallback_profiles[1].strong_rumble_scale = 17;
flash.header_programmed = false;
flash.fail_reads_after_header_program = true;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk &&
storage.snapshot().generation == 2,
"successful header program was rolled back by a later read");
flash.fail_reads_after_header_program = false;
ProfileStorage recovered;
require(recovered.initialize(fake_io(), &recovered_database) &&
recovered.snapshot().generation == 2 &&
recovered_database.fallback_profiles[1]
.strong_rumble_scale == 17,
"committed header did not recover after transient read failure");
}
void test_payload_corruption_prevents_header_publication() {
erase_all();
controller_profile_database_default(&database);
ProfileStorage storage;
require(storage.initialize(fake_io(), &database) &&
storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk,
"corruption baseline did not commit");
const ProfileStorageSnapshot previous = storage.snapshot();
const uint8_t target_bank = previous.active_bank ^ 1u;
const int programs_before_corruption = flash.successful_programs;
constexpr int kPayloadProgramCount =
(CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE +
PROFILE_STORAGE_PAGE_SIZE - 1) /
PROFILE_STORAGE_PAGE_SIZE;
database.fallback_profiles[1].button_map[2] = 3;
flash.corrupt_next_program = true;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kIoError &&
flash.successful_programs ==
programs_before_corruption + kPayloadProgramCount,
"corrupt payload programming reached the header program");
for (size_t index = 0; index < PROFILE_STORAGE_RECORD_HEADER_SIZE;
++index) {
require(flash.bytes[target_bank][index] == 0xff,
"rejected corrupt payload published a discoverable header");
}
require(storage.snapshot().valid == previous.valid &&
storage.snapshot().generation == previous.generation &&
storage.snapshot().payload_crc == previous.payload_crc &&
storage.snapshot().active_bank == previous.active_bank,
"rejected corrupt programming changed the storage snapshot");
ProfileStorage recovered;
require(recovered.initialize(fake_io(), &recovered_database) &&
recovered.snapshot().generation == previous.generation &&
recovered.snapshot().active_bank == previous.active_bank &&
recovered_database.fallback_profiles[1].button_map[2] == 2,
"headerless corrupt payload was recovered");
}
void test_batched_bank_replacement_is_one_atomic_operation() {
erase_all();
controller_profile_database_default(&database);
ProfileStorage storage;
constexpr int kPayloadProgramCount =
(CONTROLLER_PROFILE_DATABASE_ENCODED_SIZE +
PROFILE_STORAGE_PAGE_SIZE - 1) /
PROFILE_STORAGE_PAGE_SIZE;
require(storage.initialize(fake_io(), &database) &&
storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk &&
flash.bank_replacements == 1 &&
flash.erase_count == static_cast<int>(
PROFILE_STORAGE_SECTORS_PER_BANK) &&
flash.successful_programs ==
kPayloadProgramCount + 1,
"batched commit did not replace one bank in one operation");
const ProfileStorageSnapshot previous = storage.snapshot();
const uint8_t target_bank = previous.active_bank ^ 1u;
const int programs_before_corruption = flash.successful_programs;
database.fallback_profiles[1].button_map[2] = 3;
flash.corrupt_next_program = true;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kIoError &&
flash.bank_replacements == 2 &&
flash.successful_programs ==
programs_before_corruption +
kPayloadProgramCount,
"corrupt batched payload reached header publication");
for (size_t index = 0; index < PROFILE_STORAGE_RECORD_HEADER_SIZE;
++index) {
require(flash.bytes[target_bank][index] == 0xff,
"failed batched replacement published a header");
}
require(storage.snapshot().generation == previous.generation &&
storage.snapshot().payload_crc ==
previous.payload_crc &&
storage.snapshot().active_bank ==
previous.active_bank,
"failed batched replacement changed the committed snapshot");
ProfileStorage recovered;
require(recovered.initialize(fake_io(), &recovered_database) &&
recovered.snapshot().generation ==
previous.generation &&
recovered.snapshot().active_bank ==
previous.active_bank &&
recovered_database.fallback_profiles[1]
.button_map[2] == 2,
"headerless batched payload replaced the prior bank");
}
void test_header_padding_corruption_fails_commit_and_recovery() {
erase_all();
controller_profile_database_default(&database);
ProfileStorage storage;
require(storage.initialize(fake_io(), &database) &&
storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk,
"header padding baseline did not commit");
const ProfileStorageSnapshot previous = storage.snapshot();
const uint8_t previous_scale =
database.fallback_profiles[1].strong_rumble_scale;
database.fallback_profiles[1].strong_rumble_scale = 17;
for (size_t offset = 24;
offset < PROFILE_STORAGE_RECORD_HEADER_SIZE; ++offset) {
flash.corrupt_header_padding_offset =
static_cast<int>(offset);
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kIoError,
"corrupt header padding did not fail the commit");
ProfileStorage recovered;
require(recovered.initialize(fake_io(), &recovered_database) &&
recovered.snapshot().generation ==
previous.generation &&
recovered.snapshot().active_bank ==
previous.active_bank &&
recovered_database.fallback_profiles[1]
.strong_rumble_scale == previous_scale,
"corrupt header padding was accepted on recovery");
}
flash.corrupt_header_padding_offset = -1;
require(storage.commit(database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk,
"valid full header page did not commit");
for (size_t offset = 24;
offset < PROFILE_STORAGE_RECORD_HEADER_SIZE; ++offset) {
require(
flash.bytes[storage.snapshot().active_bank][offset] == 0,
"valid committed header contained nonzero padding");
}
ProfileStorage recovered;
require(recovered.initialize(fake_io(), &recovered_database) &&
recovered.snapshot().generation ==
previous.generation + 1u &&
recovered_database.fallback_profiles[1]
.strong_rumble_scale == 17,
"valid full header page was rejected on recovery");
}
void test_legacy_database_bank_migration() {
install_legacy_database_bank_fixture();
ProfileStorage storage;
require(storage.initialize(fake_io(), &recovered_database) &&
storage.snapshot().valid &&
storage.snapshot().active_bank == 1 &&
storage.snapshot().generation == 41,
"legacy v1 database bank was not selected");
require(flash.erase_count == 0,
"legacy bank admission erased flash");
require(recovered_database.fallback_active_profile == 2,
"legacy fallback active profile was not preserved");
for (uint8_t profile_index = 0;
profile_index < CONTROLLER_PROFILE_COUNT; ++profile_index) {
const uint16_t expected_left =
profile_index == 1
? 0x1234
: CONTROLLER_PROFILE_DEFAULT_DIGITAL_THRESHOLD;
const uint16_t expected_right =
profile_index == 1
? 0xabcd
: CONTROLLER_PROFILE_DEFAULT_DIGITAL_THRESHOLD;
require(recovered_database.fallback_profiles[profile_index]
.triggers[0]
.digital_threshold == expected_left &&
recovered_database.fallback_profiles[profile_index]
.triggers[1]
.digital_threshold == expected_right,
"legacy fallback thresholds were not selectively migrated");
}
require(recovered_database.fallback_profiles[0]
.triggers[0]
.lower_deadzone == 30000 &&
recovered_database.fallback_profiles[0]
.triggers[0]
.upper_saturation == 40000 &&
recovered_database.fallback_profiles[0]
.triggers[1]
.lower_deadzone == 30000 &&
recovered_database.fallback_profiles[0]
.triggers[1]
.upper_saturation == 40000,
"legacy fallback raw trigger ranges were not preserved");
const ControllerProfileDatabaseEntry& entry =
recovered_database.entries[0];
require(entry.used && entry.active_profile == 3 &&
entry.identity.stable &&
entry.identity.transport == ControllerTransport::kClassic &&
entry.identity.address_type == 7 &&
entry.identity.address[0] == 1 &&
entry.identity.address[5] == 6 &&
entry.identity.vendor_id == 0x057e &&
entry.identity.product_id == 0x2009,
"legacy entry identity or active profile was not preserved");
for (uint8_t profile_index = 0;
profile_index < CONTROLLER_PROFILE_COUNT; ++profile_index) {
const uint16_t expected_left =
profile_index == 3
? 0x1234
: CONTROLLER_PROFILE_DEFAULT_DIGITAL_THRESHOLD;
const uint16_t expected_right =
profile_index == 3
? 0xabcd
: CONTROLLER_PROFILE_DEFAULT_DIGITAL_THRESHOLD;
require(entry.profiles[profile_index]
.triggers[0]
.digital_threshold == expected_left &&
entry.profiles[profile_index]
.triggers[1]
.digital_threshold == expected_right,
"legacy entry thresholds were not selectively migrated");
}
require(entry.profiles[0].triggers[0].lower_deadzone == 30000 &&
entry.profiles[0].triggers[0].upper_saturation == 40000 &&
entry.profiles[0].triggers[1].lower_deadzone == 30000 &&
entry.profiles[0].triggers[1].upper_saturation == 40000,
"legacy entry raw trigger ranges were not preserved");
recovered_database.fallback_profiles[2].weak_rumble_scale = 17;
require(storage.commit(recovered_database, encoded_database,
sizeof(encoded_database)) ==
ProfileStorageResult::kOk &&
storage.snapshot().active_bank == 0 &&
storage.snapshot().generation == 42,
"mutation after legacy admission did not commit");
const uint8_t* const current_record = flash.bytes[0];
const uint8_t* const current_payload =
current_record + PROFILE_STORAGE_RECORD_HEADER_SIZE;
require(fixture_read_u16(&current_record[6]) ==
CONTROLLER_PROFILE_DATABASE_SCHEMA_VERSION &&
fixture_read_u16(&current_payload[4]) ==
CONTROLLER_PROFILE_DATABASE_SCHEMA_VERSION,
"post-migration commit did not emit v2 storage schemas");
constexpr size_t kFallbackOffset =
CONTROLLER_PROFILE_DATABASE_HEADER_SIZE;
constexpr size_t kEntryOffset =
kFallbackOffset +
CONTROLLER_PROFILE_COUNT * CONTROLLER_PROFILE_ENCODED_SIZE;
for (uint8_t profile_index = 0;
profile_index < CONTROLLER_PROFILE_COUNT; ++profile_index) {
require(fixture_read_u16(
&current_payload[kFallbackOffset +
profile_index *
CONTROLLER_PROFILE_ENCODED_SIZE]) ==
CONTROLLER_PROFILE_SCHEMA_VERSION &&
fixture_read_u16(
&current_payload[
kEntryOffset +
CONTROLLER_PROFILE_DATABASE_ENTRY_HEADER_SIZE +
profile_index *
CONTROLLER_PROFILE_ENCODED_SIZE]) ==
CONTROLLER_PROFILE_SCHEMA_VERSION,
"post-migration commit retained a v1 profile");
}
require(fixture_read_u16(&flash.bytes[1][6]) ==
CONTROLLER_PROFILE_DATABASE_LEGACY_SCHEMA_VERSION &&
fixture_read_u16(
&flash.bytes[1][PROFILE_STORAGE_RECORD_HEADER_SIZE + 4]) ==
CONTROLLER_PROFILE_DATABASE_LEGACY_SCHEMA_VERSION,
"post-migration commit erased or rewrote the admitted legacy bank");
ProfileStorage reloaded;
require(reloaded.initialize(fake_io(), &database) &&
reloaded.snapshot().generation == 42 &&
database.fallback_profiles[2].weak_rumble_scale == 17 &&
database.fallback_profiles[0]
.triggers[0]
.lower_deadzone == 30000 &&
database.fallback_profiles[0]
.triggers[0]
.upper_saturation == 40000 &&
database.fallback_profiles[0]
.triggers[0]
.digital_threshold ==
CONTROLLER_PROFILE_DEFAULT_DIGITAL_THRESHOLD &&
database.fallback_profiles[1]
.triggers[0]
.digital_threshold == 0x1234 &&
database.fallback_profiles[1]
.triggers[1]
.digital_threshold == 0xabcd &&
database.entries[0].used &&
database.entries[0].active_profile == 3 &&
database.entries[0]
.profiles[0]
.triggers[0]
.lower_deadzone == 30000 &&
database.entries[0]
.profiles[0]
.triggers[0]
.upper_saturation == 40000 &&
database.entries[0]
.profiles[0]
.triggers[0]
.digital_threshold ==
CONTROLLER_PROFILE_DEFAULT_DIGITAL_THRESHOLD &&
database.entries[0]
.profiles[3]
.triggers[0]
.digital_threshold == 0x1234 &&
database.entries[0]
.profiles[3]
.triggers[1]
.digital_threshold == 0xabcd,
"v2 migration commit did not reload without data loss");
}
} // namespace
int main() {
test_two_bank_recovery();
test_initialize_requires_batch_replacement();
test_interrupted_commit_retains_previous_bank();
test_successful_header_program_is_commit_point();
test_payload_corruption_prevents_header_publication();
test_batched_bank_replacement_is_one_atomic_operation();
test_header_padding_corruption_fails_commit_and_recovery();
test_legacy_database_bank_migration();
return 0;
}