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#include <gtest/gtest.h>
#include "checksum.h"
namespace tbox {
namespace util {
TEST(Checksum, CalcCheckSum8) {
    uint8_t tmp_data[] = { 0x11, 0xff, 0xfe, 0xee, 0x34, 0xde, 0x00 };
    uint8_t crc8 = CalcCheckSum8(tmp_data, sizeof(tmp_data) - 1);
    tmp_data[sizeof(tmp_data) - 1] = crc8;
    EXPECT_EQ(CalcCheckSum8(tmp_data, sizeof(tmp_data)), 0);
TEST(Checksum, CalcCheckSum16_Even) {
    uint8_t tmp_data[] = { 0x11, 0xff, 0xfe, 0xee, 0x34, 0xde, 0x00, 0x00 };
    uint16_t crc16 = CalcCheckSum16(tmp_data, sizeof(tmp_data) - 2);
    tmp_data[sizeof(tmp_data) - 2] = crc16 >> 8;
    tmp_data[sizeof(tmp_data) - 1] = crc16 & 0xff;
    EXPECT_EQ(CalcCheckSum16(tmp_data, sizeof(tmp_data)), 0);
TEST(Checksum, CalcCheckSum16_Odd) {
    uint8_t tmp_data[] = { 0x11, 0xff, 0xfe, 0xee, 0x34, 0xde, 0x01, 0x00, 0x00, 0x00 };
    uint16_t crc16 = CalcCheckSum16(tmp_data, sizeof(tmp_data) - 3);
    tmp_data[sizeof(tmp_data) - 2] = crc16 >> 8;
    tmp_data[sizeof(tmp_data) - 1] = crc16 & 0xff;
    EXPECT_EQ(CalcCheckSum16(tmp_data, sizeof(tmp_data)), 0);

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