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eeprom_legacy_emulated_flash_tests.cpp
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eeprom_legacy_emulated_flash_tests.cpp
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/* 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:https://www.gnu.org/licenses/>.
*/
#include "gtest/gtest.h"
extern "C" {
#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 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);
}