112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
//=======================================================================
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// UdpCommTest: udpComm 纯逻辑函数（校验和、消息头识别、校验解析、日期）
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// 仅链接现有 udpcomm/udpComm.cpp（+ MOOS 提供 MOOSTime 等符号）。
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//=======================================================================
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#include <gtest/gtest.h>
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#include <cstring>
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#include "udpcomm/udpComm.h"
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TEST(UdpCommTest, CalculateChecksum)
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{
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udpComm u;
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unsigned char data[5] = {1, 2, 3, 4, 5};
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// 2 参：sum 覆盖 size - sizeof(Checksum)=size-4 字节
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EXPECT_EQ(u.calculateChecksum(data, 4), 0u);
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EXPECT_EQ(u.calculateChecksum(data, 5), 1u); // 只 sum data[0]=1
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EXPECT_EQ(u.calculateChecksum(data, 6), 3u); // sum data[0..1]=1+2
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// 3 参：覆盖 dataSize - checkSize 字节
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EXPECT_EQ(u.calculateChecksum(data, 5, 2), 6u); // sum data[0..2]=1+2+3
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EXPECT_EQ(u.calculateChecksum(data, 5, 1), 10u);// sum data[0..3]
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}
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TEST(UdpCommTest, GetMsgId)
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{
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udpComm u;
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m_header h{};
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char buf[sizeof(m_header)];
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unsigned short id = 0;
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// DIS 头
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h.start1 = DIS_MSG_HEAD1;
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h.start2 = DIS_MSG_HEAD2;
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h.id = DIS_HVBUS_FB_ID;
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memcpy(buf, &h, sizeof(h));
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EXPECT_TRUE(u.getMsgId(buf, id));
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EXPECT_EQ(id, DIS_HVBUS_FB_ID);
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// CCU 头
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h.start1 = CCU_UDPMSG_START1;
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h.start2 = CCU_UDPMSG_START2;
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h.id = CCU_STATE_FB_ID;
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memcpy(buf, &h, sizeof(h));
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EXPECT_TRUE(u.getMsgId(buf, id));
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EXPECT_EQ(id, CCU_STATE_FB_ID);
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// 非法头
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h.start1 = 0x11;
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h.start2 = 0x22;
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memcpy(buf, &h, sizeof(h));
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EXPECT_FALSE(u.getMsgId(buf, id));
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}
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TEST(UdpCommTest, GetMsgFromBuffCcu)
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{
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udpComm u;
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msg_CcuStateFbMsg m;
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memset(&m, 0, sizeof(m));
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m.header.start1 = CCU_UDPMSG_START1;
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m.header.start2 = CCU_UDPMSG_START2;
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m.header.id = CCU_STATE_FB_ID;
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m.data.ins_soc = 42;
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m.data.dyn_soc = 66;
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m.data.fc_status = 0x04;
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m.checkCode = u.calculateChecksum((unsigned char*)&m, sizeof(m));
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msg_CcuStateFbMsg out{};
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EXPECT_TRUE(u.getMsgFromBuff((char*)&m, out));
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EXPECT_EQ(out.data.ins_soc, 42u);
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EXPECT_EQ(out.data.dyn_soc, 66u);
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EXPECT_EQ(out.data.fc_status, 0x04u);
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// 篡改数据 → 校验失败
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m.data.dyn_soc = 99;
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EXPECT_FALSE(u.getMsgFromBuff((char*)&m, out));
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}
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TEST(UdpCommTest, GetMsgFromBuffDis)
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{
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udpComm u;
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msg_disHighVolBusFbMsg m;
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memset(&m, 0, sizeof(m));
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m.header.start1 = DIS_MSG_HEAD1;
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m.header.start2 = DIS_MSG_HEAD2;
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m.header.id = DIS_HVBUS_FB_ID;
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m.data.fuelCellCircuitBreaker = 0x55;
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m.data.powerBusVoltage = 5200;
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m.checkCode = (cChecksum)(u.calculateChecksum((unsigned char*)&m, sizeof(m), sizeof(cChecksum)) & 0xFF);
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msg_disHighVolBusFbMsg out{};
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EXPECT_TRUE(u.getMsgFromBuff((char*)&m, out));
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EXPECT_EQ(out.data.fuelCellCircuitBreaker, 0x55u);
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EXPECT_EQ(out.data.powerBusVoltage, 5200u);
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// 篡改 → 校验失败
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m.data.fuelCellCircuitBreaker = 0xAA;
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EXPECT_FALSE(u.getMsgFromBuff((char*)&m, out));
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}
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TEST(UdpCommTest, GetDate)
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{
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udpComm u;
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unsigned short year = 0;
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unsigned char month = 0, day = 0, hour = 0, minute = 0, second = 0, ms = 0;
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EXPECT_TRUE(u.getDate(year, month, day, hour, minute, second, ms));
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EXPECT_GE(year, 2000u);
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EXPECT_LE(year, 2100u);
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EXPECT_GE(month, 1u); EXPECT_LE(month, 12u);
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EXPECT_GE(day, 1u); EXPECT_LE(day, 31u);
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EXPECT_LE(hour, 23u);
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EXPECT_LE(minute, 59u);
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EXPECT_LE(second, 59u);
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}
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