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Diffstat (limited to 'platforms/test/eeprom_stm32_tests.cpp')
| -rw-r--r-- | platforms/test/eeprom_stm32_tests.cpp | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/platforms/test/eeprom_stm32_tests.cpp b/platforms/test/eeprom_stm32_tests.cpp new file mode 100644 index 0000000000..5bc8d87900 --- /dev/null +++ b/platforms/test/eeprom_stm32_tests.cpp @@ -0,0 +1,438 @@ +/* Copyright 2021 by Don Kjer + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "gtest/gtest.h" + +extern "C" { +#include "flash_stm32.h" +#include "eeprom_stm32.h" +#include "eeprom.h" +} + +/* Mock Flash Parameters: + * + * === Large Layout === + * flash size: 65536 + * page size: 2048 + * density pages: 16 + * Simulated EEPROM size: 16384 + * + * FlashBuf Layout: + * [Unused | Compact | Write Log ] + * [0......|32768......|49152......65535] + * + * === Tiny Layout === + * flash size: 1024 + * page size: 512 + * density pages: 1 + * Simulated EEPROM size: 256 + * + * FlashBuf Layout: + * [Unused | Compact | Write Log ] + * [0......|512......|768......1023] + * + */ + +#define EEPROM_SIZE (FEE_PAGE_SIZE * FEE_PAGE_COUNT / 2) +#define LOG_SIZE EEPROM_SIZE +#define LOG_BASE (MOCK_FLASH_SIZE - LOG_SIZE) +#define EEPROM_BASE (LOG_BASE - EEPROM_SIZE) + +/* Log encoding helpers */ +#define BYTE_VALUE(addr, value) (((addr) << 8) | (value)) +#define WORD_ZERO(addr) (0x8000 | ((addr) >> 1)) +#define WORD_ONE(addr) (0xA000 | ((addr) >> 1)) +#define WORD_NEXT(addr) (0xE000 | (((addr)-0x80) >> 1)) + +class EepromStm32Test : public testing::Test { + public: + EepromStm32Test() {} + ~EepromStm32Test() {} + + protected: + void SetUp() override { EEPROM_Erase(); } + + void TearDown() override { +#ifdef EEPROM_DEBUG + dumpEepromDataBuf(); +#endif + } +}; + +TEST_F(EepromStm32Test, TestErase) { + EEPROM_WriteDataByte(0, 0x42); + EEPROM_Erase(); + EXPECT_EQ(EEPROM_ReadDataByte(0), 0); + EXPECT_EQ(EEPROM_ReadDataByte(1), 0); +} + +TEST_F(EepromStm32Test, TestReadGarbage) { + uint8_t garbage = 0x3c; + for (int i = 0; i < MOCK_FLASH_SIZE; ++i) { + garbage ^= 0xa3; + garbage += i; + FlashBuf[i] = garbage; + } + EEPROM_Init(); // Just verify we don't crash +} + +TEST_F(EepromStm32Test, TestWriteBadAddress) { + EXPECT_EQ(EEPROM_WriteDataByte(EEPROM_SIZE, 0x42), FLASH_BAD_ADDRESS); + EXPECT_EQ(EEPROM_WriteDataWord(EEPROM_SIZE - 1, 0xbeef), FLASH_BAD_ADDRESS); + EXPECT_EQ(EEPROM_WriteDataWord(EEPROM_SIZE, 0xbeef), FLASH_BAD_ADDRESS); +} + +TEST_F(EepromStm32Test, TestReadBadAddress) { + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE), 0xFF); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 1), 0xFFFF); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE), 0xFFFF); + EXPECT_EQ(eeprom_read_dword((uint32_t*)(EEPROM_SIZE - 4)), 0); + EXPECT_EQ(eeprom_read_dword((uint32_t*)(EEPROM_SIZE - 3)), 0xFF000000); + EXPECT_EQ(eeprom_read_dword((uint32_t*)EEPROM_SIZE), 0xFFFFFFFF); +} + +TEST_F(EepromStm32Test, TestReadByte) { + /* Direct compacted-area baseline: Address < 0x80 */ + FlashBuf[EEPROM_BASE + 2] = ~0xef; + FlashBuf[EEPROM_BASE + 3] = ~0xbe; + /* Direct compacted-area baseline: Address >= 0x80 */ + FlashBuf[EEPROM_BASE + EEPROM_SIZE - 2] = ~0x78; + FlashBuf[EEPROM_BASE + EEPROM_SIZE - 1] = ~0x56; + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataByte(2), 0xef); + EXPECT_EQ(EEPROM_ReadDataByte(3), 0xbe); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 2), 0x78); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 1), 0x56); + /* Write Log byte value */ + FlashBuf[LOG_BASE] = 0x65; + FlashBuf[LOG_BASE + 1] = 3; + /* Write Log word value */ + *(uint16_t*)&FlashBuf[LOG_BASE + 2] = WORD_NEXT(EEPROM_SIZE - 2); + *(uint16_t*)&FlashBuf[LOG_BASE + 4] = ~0x9abc; + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataByte(2), 0xef); + EXPECT_EQ(EEPROM_ReadDataByte(3), 0x65); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 2), 0xbc); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 1), 0x9a); +} + +TEST_F(EepromStm32Test, TestWriteByte) { + /* Direct compacted-area baseline: Address < 0x80 */ + EEPROM_WriteDataByte(2, 0xef); + EEPROM_WriteDataByte(3, 0xbe); + /* Direct compacted-area baseline: Address >= 0x80 */ + EEPROM_WriteDataByte(EEPROM_SIZE - 2, 0x78); + EEPROM_WriteDataByte(EEPROM_SIZE - 1, 0x56); + /* Check values */ + /* First write in each aligned word should have been direct */ + EXPECT_EQ(FlashBuf[EEPROM_BASE + 2], (uint8_t)~0xef); + EXPECT_EQ(FlashBuf[EEPROM_BASE + EEPROM_SIZE - 2], (uint8_t)~0x78); + + /* Second write per aligned word requires a log entry */ + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE], BYTE_VALUE(3, 0xbe)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 2], WORD_NEXT(EEPROM_SIZE - 1)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 4], (uint16_t)~0x5678); +} + +TEST_F(EepromStm32Test, TestByteRoundTrip) { + /* Direct compacted-area: Address < 0x80 */ + EEPROM_WriteDataWord(0, 0xdead); + EEPROM_WriteDataByte(2, 0xef); + EEPROM_WriteDataByte(3, 0xbe); + /* Direct compacted-area: Address >= 0x80 */ + EEPROM_WriteDataByte(EEPROM_SIZE - 2, 0x78); + EEPROM_WriteDataByte(EEPROM_SIZE - 1, 0x56); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataByte(0), 0xad); + EXPECT_EQ(EEPROM_ReadDataByte(1), 0xde); + EXPECT_EQ(EEPROM_ReadDataByte(2), 0xef); + EXPECT_EQ(EEPROM_ReadDataByte(3), 0xbe); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 2), 0x78); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 1), 0x56); + /* Write log entries */ + EEPROM_WriteDataByte(2, 0x80); + EEPROM_WriteDataByte(EEPROM_SIZE - 2, 0x3c); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataByte(2), 0x80); + EXPECT_EQ(EEPROM_ReadDataByte(3), 0xbe); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 2), 0x3c); + EXPECT_EQ(EEPROM_ReadDataByte(EEPROM_SIZE - 1), 0x56); +} + +TEST_F(EepromStm32Test, TestReadWord) { + /* Direct compacted-area baseline: Address < 0x80 */ + FlashBuf[EEPROM_BASE + 0] = ~0xad; + FlashBuf[EEPROM_BASE + 1] = ~0xde; + /* Direct compacted-area baseline: Address >= 0x80 */ + FlashBuf[EEPROM_BASE + 200] = ~0xcd; + FlashBuf[EEPROM_BASE + 201] = ~0xab; + FlashBuf[EEPROM_BASE + EEPROM_SIZE - 4] = ~0x34; + FlashBuf[EEPROM_BASE + EEPROM_SIZE - 3] = ~0x12; + FlashBuf[EEPROM_BASE + EEPROM_SIZE - 2] = ~0x78; + FlashBuf[EEPROM_BASE + EEPROM_SIZE - 1] = ~0x56; + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(0), 0xdead); + EXPECT_EQ(EEPROM_ReadDataWord(200), 0xabcd); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 4), 0x1234); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 2), 0x5678); + /* Write Log word zero-encoded */ + *(uint16_t*)&FlashBuf[LOG_BASE] = WORD_ZERO(200); + /* Write Log word one-encoded */ + *(uint16_t*)&FlashBuf[LOG_BASE + 2] = WORD_ONE(EEPROM_SIZE - 4); + /* Write Log word value */ + *(uint16_t*)&FlashBuf[LOG_BASE + 4] = WORD_NEXT(EEPROM_SIZE - 2); + *(uint16_t*)&FlashBuf[LOG_BASE + 6] = ~0x9abc; + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(200), 0); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 4), 1); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 2), 0x9abc); +} + +TEST_F(EepromStm32Test, TestWriteWord) { + /* Direct compacted-area: Address < 0x80 */ + EEPROM_WriteDataWord(0, 0xdead); // Aligned + EEPROM_WriteDataWord(3, 0xbeef); // Unaligned + /* Direct compacted-area: Address >= 0x80 */ + EEPROM_WriteDataWord(200, 0xabcd); // Aligned + EEPROM_WriteDataWord(203, 0x9876); // Unaligned + EEPROM_WriteDataWord(EEPROM_SIZE - 4, 0x1234); + EEPROM_WriteDataWord(EEPROM_SIZE - 2, 0x5678); + /* Write Log word zero-encoded */ + EEPROM_WriteDataWord(EEPROM_SIZE - 4, 0); + /* Write Log word one-encoded */ + EEPROM_WriteDataWord(EEPROM_SIZE - 2, 1); + /* Write Log word value aligned */ + EEPROM_WriteDataWord(200, 0x4321); // Aligned + /* Write Log word value unaligned */ + EEPROM_WriteDataByte(202, 0x3c); // Set neighboring byte + EEPROM_WriteDataWord(203, 0xcdef); // Unaligned + /* Check values */ + /* Direct compacted-area */ + EXPECT_EQ(*(uint16_t*)&FlashBuf[EEPROM_BASE], (uint16_t)~0xdead); + EXPECT_EQ(*(uint16_t*)&FlashBuf[EEPROM_BASE + 3], (uint16_t)~0xbeef); + EXPECT_EQ(*(uint16_t*)&FlashBuf[EEPROM_BASE + 200], (uint16_t)~0xabcd); + EXPECT_EQ(FlashBuf[EEPROM_BASE + 203], (uint8_t)~0x76); + EXPECT_EQ(FlashBuf[EEPROM_BASE + 204], (uint8_t)~0x98); + EXPECT_EQ(*(uint16_t*)&FlashBuf[EEPROM_BASE + EEPROM_SIZE - 4], (uint16_t)~0x1234); + EXPECT_EQ(*(uint16_t*)&FlashBuf[EEPROM_BASE + EEPROM_SIZE - 2], (uint16_t)~0x5678); + /* Write Log word zero-encoded */ + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE], WORD_ZERO(EEPROM_SIZE - 4)); + /* Write Log word one-encoded */ + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 2], WORD_ONE(EEPROM_SIZE - 2)); + /* Write Log word value aligned */ + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 4], WORD_NEXT(200)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 6], (uint16_t)~0x4321); + /* Write Log word value unaligned */ + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 8], WORD_NEXT(202)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 10], (uint16_t)~0x763c); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 12], WORD_NEXT(202)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 14], (uint16_t)~0xef3c); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 16], WORD_NEXT(204)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 18], (uint16_t)~0x00cd); +} + +TEST_F(EepromStm32Test, TestWordRoundTrip) { + /* Direct compacted-area: Address < 0x80 */ + EEPROM_WriteDataWord(0, 0xdead); // Aligned + EEPROM_WriteDataWord(3, 0xbeef); // Unaligned + /* Direct compacted-area: Address >= 0x80 */ + EEPROM_WriteDataWord(200, 0xabcd); // Aligned + EEPROM_WriteDataWord(203, 0x9876); // Unaligned + EEPROM_WriteDataWord(EEPROM_SIZE - 4, 0x1234); + EEPROM_WriteDataWord(EEPROM_SIZE - 2, 0x5678); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(0), 0xdead); + EXPECT_EQ(EEPROM_ReadDataWord(3), 0xbeef); + EXPECT_EQ(EEPROM_ReadDataWord(200), 0xabcd); + EXPECT_EQ(EEPROM_ReadDataWord(203), 0x9876); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 4), 0x1234); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 2), 0x5678); + + /* Write Log word zero-encoded */ + EEPROM_WriteDataWord(EEPROM_SIZE - 4, 0); + /* Write Log word one-encoded */ + EEPROM_WriteDataWord(EEPROM_SIZE - 2, 1); + /* Write Log word value aligned */ + EEPROM_WriteDataWord(200, 0x4321); // Aligned + /* Write Log word value unaligned */ + EEPROM_WriteDataByte(202, 0x3c); // Set neighboring byte + EEPROM_WriteDataWord(203, 0xcdef); // Unaligned + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(200), 0x4321); + EXPECT_EQ(EEPROM_ReadDataByte(202), 0x3c); + EXPECT_EQ(EEPROM_ReadDataWord(203), 0xcdef); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 4), 0); + EXPECT_EQ(EEPROM_ReadDataWord(EEPROM_SIZE - 2), 1); +} + +TEST_F(EepromStm32Test, TestByteWordBoundary) { + /* Direct compacted-area write */ + EEPROM_WriteDataWord(0x7e, 0xdead); + EEPROM_WriteDataWord(0x80, 0xbeef); + /* Byte log entry */ + EEPROM_WriteDataByte(0x7f, 0x3c); + /* Word log entry */ + EEPROM_WriteDataByte(0x80, 0x18); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(0x7e), 0x3cad); + EXPECT_EQ(EEPROM_ReadDataWord(0x80), 0xbe18); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE], BYTE_VALUE(0x7f, 0x3c)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 2], WORD_NEXT(0x80)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 4], (uint16_t)~0xbe18); + /* Byte log entries */ + EEPROM_WriteDataWord(0x7e, 0xcafe); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(0x7e), 0xcafe); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 6], BYTE_VALUE(0x7e, 0xfe)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 8], BYTE_VALUE(0x7f, 0xca)); + /* Byte and Word log entries */ + EEPROM_WriteDataWord(0x7f, 0xba5e); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(0x7f), 0xba5e); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 10], BYTE_VALUE(0x7f, 0x5e)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 12], WORD_NEXT(0x80)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 14], (uint16_t)~0xbeba); + /* Word log entry */ + EEPROM_WriteDataWord(0x80, 0xf00d); + /* Check values */ + EEPROM_Init(); + EXPECT_EQ(EEPROM_ReadDataWord(0x80), 0xf00d); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 16], WORD_NEXT(0x80)); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + 18], (uint16_t)~0xf00d); +} + +TEST_F(EepromStm32Test, TestDWordRoundTrip) { + /* Direct compacted-area: Address < 0x80 */ + eeprom_write_dword((uint32_t*)0, 0xdeadbeef); // Aligned + eeprom_write_dword((uint32_t*)9, 0x12345678); // Unaligned + /* Direct compacted-area: Address >= 0x80 */ + eeprom_write_dword((uint32_t*)200, 0xfacef00d); + eeprom_write_dword((uint32_t*)(EEPROM_SIZE - 4), 0xba5eba11); // Aligned + eeprom_write_dword((uint32_t*)(EEPROM_SIZE - 9), 0xcafed00d); // Unaligned + /* Check direct values */ + EEPROM_Init(); + EXPECT_EQ(eeprom_read_dword((uint32_t*)0), 0xdeadbeef); + EXPECT_EQ(eeprom_read_dword((uint32_t*)9), 0x12345678); + EXPECT_EQ(eeprom_read_dword((uint32_t*)200), 0xfacef00d); + EXPECT_EQ(eeprom_read_dword((uint32_t*)(EEPROM_SIZE - 4)), 0xba5eba11); // Aligned + EXPECT_EQ(eeprom_read_dword((uint32_t*)(EEPROM_SIZE - 9)), 0xcafed00d); // Unaligned + /* Write Log byte encoded */ + eeprom_write_dword((uint32_t*)0, 0xdecafbad); + eeprom_write_dword((uint32_t*)9, 0x87654321); + /* Write Log word encoded */ + eeprom_write_dword((uint32_t*)200, 1); + /* Write Log word value aligned */ + eeprom_write_dword((uint32_t*)(EEPROM_SIZE - 4), 0xdeadc0de); // Aligned + eeprom_write_dword((uint32_t*)(EEPROM_SIZE - 9), 0x6789abcd); // Unaligned + /* Check log values */ + EEPROM_Init(); + EXPECT_EQ(eeprom_read_dword((uint32_t*)0), 0xdecafbad); + EXPECT_EQ(eeprom_read_dword((uint32_t*)9), 0x87654321); + EXPECT_EQ(eeprom_read_dword((uint32_t*)200), 1); + EXPECT_EQ(eeprom_read_dword((uint32_t*)(EEPROM_SIZE - 4)), 0xdeadc0de); // Aligned + EXPECT_EQ(eeprom_read_dword((uint32_t*)(EEPROM_SIZE - 9)), 0x6789abcd); // Unaligned +} + +TEST_F(EepromStm32Test, TestBlockRoundTrip) { + char src0[] = "0123456789abcdef"; + void* src1 = (void*)&src0[1]; + /* Various alignments of src & dst, Address < 0x80 */ + eeprom_write_block(src0, (void*)0, sizeof(src0)); + eeprom_write_block(src0, (void*)21, sizeof(src0)); + eeprom_write_block(src1, (void*)40, sizeof(src0) - 1); + eeprom_write_block(src1, (void*)61, sizeof(src0) - 1); + /* Various alignments of src & dst, Address >= 0x80 */ + eeprom_write_block(src0, (void*)140, sizeof(src0)); + eeprom_write_block(src0, (void*)161, sizeof(src0)); + eeprom_write_block(src1, (void*)180, sizeof(src0) - 1); + eeprom_write_block(src1, (void*)201, sizeof(src0) - 1); + + /* Check values */ + EEPROM_Init(); + + char dstBuf[256] = {0}; + char* dst0a = (char*)dstBuf; + char* dst0b = (char*)&dstBuf[20]; + char* dst1a = (char*)&dstBuf[41]; + char* dst1b = (char*)&dstBuf[61]; + char* dst0c = (char*)&dstBuf[80]; + char* dst0d = (char*)&dstBuf[100]; + char* dst1c = (char*)&dstBuf[121]; + char* dst1d = (char*)&dstBuf[141]; + eeprom_read_block((void*)dst0a, (void*)0, sizeof(src0)); + eeprom_read_block((void*)dst0b, (void*)21, sizeof(src0)); + eeprom_read_block((void*)dst1a, (void*)40, sizeof(src0) - 1); + eeprom_read_block((void*)dst1b, (void*)61, sizeof(src0) - 1); + eeprom_read_block((void*)dst0c, (void*)140, sizeof(src0)); + eeprom_read_block((void*)dst0d, (void*)161, sizeof(src0)); + eeprom_read_block((void*)dst1c, (void*)180, sizeof(src0) - 1); + eeprom_read_block((void*)dst1d, (void*)201, sizeof(src0) - 1); + EXPECT_EQ(strcmp((char*)src0, dst0a), 0); + EXPECT_EQ(strcmp((char*)src0, dst0b), 0); + EXPECT_EQ(strcmp((char*)src0, dst0c), 0); + EXPECT_EQ(strcmp((char*)src0, dst0d), 0); + EXPECT_EQ(strcmp((char*)src1, dst1a), 0); + EXPECT_EQ(strcmp((char*)src1, dst1b), 0); + EXPECT_EQ(strcmp((char*)src1, dst1c), 0); + EXPECT_EQ(strcmp((char*)src1, dst1d), 0); +} + +TEST_F(EepromStm32Test, TestCompaction) { + /* Direct writes */ + eeprom_write_dword((uint32_t*)0, 0xdeadbeef); + eeprom_write_byte((uint8_t*)4, 0x3c); + eeprom_write_word((uint16_t*)6, 0xd00d); + eeprom_write_dword((uint32_t*)150, 0xcafef00d); + eeprom_write_dword((uint32_t*)200, 0x12345678); + /* Fill write log entries */ + uint32_t i; + uint32_t val = 0xd8453c6b; + for (i = 0; i < (LOG_SIZE / (sizeof(uint32_t) * 2)); i++) { + val ^= 0x593ca5b3; + val += i; + eeprom_write_dword((uint32_t*)200, val); + } + /* Check values pre-compaction */ + EEPROM_Init(); + EXPECT_EQ(eeprom_read_dword((uint32_t*)0), 0xdeadbeef); + EXPECT_EQ(eeprom_read_byte((uint8_t*)4), 0x3c); + EXPECT_EQ(eeprom_read_word((uint16_t*)6), 0xd00d); + EXPECT_EQ(eeprom_read_dword((uint32_t*)150), 0xcafef00d); + EXPECT_EQ(eeprom_read_dword((uint32_t*)200), val); + EXPECT_NE(*(uint16_t*)&FlashBuf[LOG_BASE], 0xFFFF); + EXPECT_NE(*(uint16_t*)&FlashBuf[LOG_BASE + LOG_SIZE - 2], 0xFFFF); + /* Run compaction */ + eeprom_write_byte((uint8_t*)4, 0x1f); + EEPROM_Init(); + EXPECT_EQ(eeprom_read_dword((uint32_t*)0), 0xdeadbeef); + EXPECT_EQ(eeprom_read_byte((uint8_t*)4), 0x1f); + EXPECT_EQ(eeprom_read_word((uint16_t*)6), 0xd00d); + EXPECT_EQ(eeprom_read_dword((uint32_t*)150), 0xcafef00d); + EXPECT_EQ(eeprom_read_dword((uint32_t*)200), val); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE], 0xFFFF); + EXPECT_EQ(*(uint16_t*)&FlashBuf[LOG_BASE + LOG_SIZE - 2], 0xFFFF); +} |