93 lines
2.6 KiB
C
93 lines
2.6 KiB
C
/* P0 测试：remoteDisplay 协议核心
|
||
* 目标：
|
||
* - 校验 CRC 纯函数行为（calc_crc）
|
||
* - 校验 Protocol_ByteHandler 状态机解析行为
|
||
*/
|
||
#include <stdint.h>
|
||
#include <string.h>
|
||
|
||
#include "test_common.h"
|
||
#include "../src/remoteDisplayProtocol.h"
|
||
|
||
/* 用例1：CRC 计算
|
||
* - 空数据长度应返回 0
|
||
* - 常规 payload 应返回逐字节异或结果
|
||
*/
|
||
static int test_calc_crc(void)
|
||
{
|
||
const uint8_t payload[] = {0x12, 0x34, 0x56};
|
||
ASSERT_EQ_INT(0x00, calc_crc(NULL, 0));
|
||
ASSERT_EQ_INT((0x12 ^ 0x34 ^ 0x56), calc_crc(payload, 3));
|
||
return 0;
|
||
}
|
||
|
||
/* 用例2：Protocol_ByteHandler 基本帧解析
|
||
* 验证：完整 RemoDispBus 帧按字节输入后，状态机完成帧解析并保持正确 cmd/data
|
||
*/
|
||
static int test_protocol_byte_handler_ok(void)
|
||
{
|
||
protocol_instance_t proto_ins;
|
||
const uint8_t payload[] = {0x10, 0x20};
|
||
const uint8_t frame[] = {
|
||
TAG_CLIENT,
|
||
CMD_KEY,
|
||
0x00,
|
||
(uint8_t)sizeof(payload),
|
||
payload[0],
|
||
payload[1],
|
||
(uint8_t)(payload[0] ^ payload[1])
|
||
};
|
||
|
||
protocol_init(&proto_ins);
|
||
ASSERT_EQ_INT(PROTO_STATE_WAIT_TAG, proto_ins.state);
|
||
ASSERT_EQ_INT(0, proto_ins.frame_done_flag);
|
||
|
||
for (unsigned int i = 0; i < sizeof(frame); ++i) {
|
||
protocol_byte_handler(&proto_ins, frame[i]);
|
||
}
|
||
|
||
ASSERT_EQ_INT(1, proto_ins.frame_done_flag);
|
||
ASSERT_EQ_INT(CMD_KEY, proto_ins.recv_cmd);
|
||
ASSERT_EQ_INT((int)sizeof(payload), (int)proto_ins.expect_data_len);
|
||
ASSERT_EQ_INT((int)sizeof(payload), (int)proto_ins.recv_len);
|
||
ASSERT_EQ_INT(payload[0], proto_ins.recv_buf[0]);
|
||
ASSERT_EQ_INT(payload[1], proto_ins.recv_buf[1]);
|
||
return 0;
|
||
}
|
||
|
||
/* 用例3：Protocol_ByteHandler CRC 错误处理
|
||
* 验证：CRC 校验失败后状态机重置为 WAIT_TAG，不置完成标志
|
||
*/
|
||
static int test_protocol_byte_handler_bad_crc(void)
|
||
{
|
||
protocol_instance_t proto_ins;
|
||
const uint8_t payload[] = {0x10, 0x20};
|
||
const uint8_t frame[] = {
|
||
TAG_CLIENT,
|
||
CMD_KEY,
|
||
0x00,
|
||
(uint8_t)sizeof(payload),
|
||
payload[0],
|
||
payload[1],
|
||
0xFF
|
||
};
|
||
|
||
protocol_init(&proto_ins);
|
||
for (unsigned int i = 0; i < sizeof(frame); ++i) {
|
||
protocol_byte_handler(&proto_ins, frame[i]);
|
||
}
|
||
|
||
ASSERT_EQ_INT(PROTO_STATE_WAIT_TAG, proto_ins.state);
|
||
ASSERT_EQ_INT(0, proto_ins.frame_done_flag);
|
||
return 0;
|
||
}
|
||
|
||
/* 测试入口：按顺序执行各子用例，任一失败即返回非 0 */
|
||
int main(void)
|
||
{
|
||
if (test_calc_crc() != 0) return 1;
|
||
if (test_protocol_byte_handler_ok() != 0) return 1;
|
||
if (test_protocol_byte_handler_bad_crc() != 0) return 1;
|
||
return 0;
|
||
}
|