| // Copyright 2020 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| |
| #include "gtest/gtest.h" |
| #include "pw_kvs/crc16_checksum.h" |
| #include "pw_kvs/fake_flash_memory.h" |
| #include "pw_kvs/flash_partition_with_stats.h" |
| #include "pw_kvs/key_value_store.h" |
| |
| namespace pw::kvs { |
| namespace { |
| |
| using std::byte; |
| |
| #ifndef PW_KVS_FUZZ_ITERATIONS |
| #define PW_KVS_FUZZ_ITERATIONS 2 |
| #endif // PW_KVS_FUZZ_ITERATIONS |
| constexpr int kFuzzIterations = PW_KVS_FUZZ_ITERATIONS; |
| |
| constexpr size_t kMaxEntries = 256; |
| constexpr size_t kMaxUsableSectors = 256; |
| |
| // 4 x 4k sectors, 16 byte alignment |
| FakeFlashMemoryBuffer<4 * 1024, 6> test_flash(16); |
| |
| FlashPartitionWithStatsBuffer<kMaxUsableSectors> test_partition( |
| &test_flash, 0, test_flash.sector_count()); |
| |
| ChecksumCrc16 checksum; |
| |
| class EmptyInitializedKvs : public ::testing::Test { |
| protected: |
| // For KVS magic value always use a random 32 bit integer rather than a |
| // human readable 4 bytes. See pw_kvs/format.h for more information. |
| EmptyInitializedKvs() |
| : kvs_(&test_partition, {.magic = 0x873a9b50, .checksum = &checksum}) { |
| test_partition.Erase(0, test_partition.sector_count()); |
| ASSERT_EQ(Status::Ok(), kvs_.Init()); |
| } |
| |
| KeyValueStoreBuffer<kMaxEntries, kMaxUsableSectors> kvs_; |
| }; |
| |
| TEST_F(EmptyInitializedKvs, Put_VaryingKeysAndValues) { |
| char value[] = |
| "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" // 52 |
| "34567890123"; // 64 (with final \0); |
| static_assert(sizeof(value) == 64); |
| |
| test_partition.ResetCounters(); |
| |
| for (int i = 0; i < kFuzzIterations; ++i) { |
| for (unsigned key_size = 1; key_size < sizeof(value); ++key_size) { |
| for (unsigned value_size = 0; value_size < sizeof(value); ++value_size) { |
| ASSERT_EQ(Status::Ok(), |
| kvs_.Put(std::string_view(value, key_size), |
| std::as_bytes(std::span(value, value_size)))); |
| } |
| } |
| } |
| |
| test_partition.SaveStorageStats(kvs_, "fuzz Put_VaryingKeysAndValues"); |
| } |
| |
| } // namespace |
| } // namespace pw::kvs |