GCC Code Coverage Report

Directory: ./
File: unit_tests/tests/lua/test_motorola_dbc.cpp
Date: 2025-10-03 00:57:22
Coverage Exec Excl Total
Lines: 100.0% 64 0 64
Functions: 100.0% 30 0 30
Branches: 54.0% 34 0 63
Decisions: -% 0 - 0
Line Branch Decision Exec Source
1 //
2 // Created by kifir on 11/11/24.
3 //
4
5 #include "pch.h"
6
7 namespace {
8 class MotorolaDbcTest : public testing::Test {
9 protected:
10 void SetUp() override;
11
12 void checkRange(
13 int bitStart,
14 int length,
15 int testValue,
16 int expectedLSB,
17 const std::array<uint8_t, 8>& expectedData
18 );
19 uint8_t* getTestDataPtr();
20
21 std::array<uint8_t, 8> testData;
22 };
23
24 9 void MotorolaDbcTest::SetUp() {
25
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 9 testData.fill(0x00);
26 9 }
27
28 8 void MotorolaDbcTest::checkRange(
29 const int bitStart,
30 const int length,
31 const int testValue,
32 const int expectedLSB, // Least Significant Bit
33 const std::array<uint8_t, 8>& expectedData
34 ) {
35
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 8 EXPECT_EQ(getBitRangeMoto(getTestDataPtr(), bitStart, length), 0x00); // 0000
36
37
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 8 ASSERT_EQ(expectedLSB, motorolaMagicFromDbc(bitStart, length));
38 8 setBitRangeMoto(getTestDataPtr(), bitStart, length, testValue);
39
40
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 8 EXPECT_THAT(testData, testing::ElementsAreArray(expectedData));
41
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 8 EXPECT_EQ(getBitRangeMoto(getTestDataPtr(), bitStart, length), testValue);
42 }
43
44 24 uint8_t* MotorolaDbcTest::getTestDataPtr() {
45 48 return testData.data();
46 }
47
48 /***************************************************************************************************************/
49 /* The following tests check `setBitRangeMoto` function writes messages in the proper bits, that are displayed */
50 /* by Kvazer Database Editor. The sample file with `NewMessage_0001` - `NewMessage_0008` can be found here: */
51 /* https://gist.github.com/rusefillc/8cef24fa188f868a2a7028c16c26627f */
52 /***************************************************************************************************************/
53
54 4 TEST_F(MotorolaDbcTest, testNewMessage_0001) {
55 // Picture from Kvazer Database Editor for `27|4@0+`:
56 //
57 // | Bit Positions
58 // | 7 6 5 4 3 2 1 0
59 // ----+----------------
60 // B 0 |
61 // y 1 |
62 // t 2 |
63 // e 3 | <------|
64 // 4 |
65 // N 5 |
66 // u 6 |
67 // m 7 |
68 // . 8 |
69
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 1 checkRange(
70 /* bitStart = */ 27,
71 /* length = */ 4,
72 /* testValue = */ 0xB, // 1011
73 /* expectedLSB = */ 24,
74 // | Bit Positions
75 // | 7 6 5 4 3 2 1 0
76 // ----+----------------
77 // B 0 | 0 0 0 0 0 0 0 0
78 // y 1 | 0 0 0 0 0 0 0 0
79 // t 2 | 0 0 0 0 0 0 0 0
80 // e 3 | 0 0 0 0 1-0-1-1
81 // 4 | 0 0 0 0 0 0 0 0
82 // N 5 | 0 0 0 0 0 0 0 0
83 // u 6 | 0 0 0 0 0 0 0 0
84 // m 7 | 0 0 0 0 0 0 0 0
85 // . 8 | 0 0 0 0 0 0 0 0
86 /* expectedData = */ { 0x00, 0x00, 0x00, 0x0B, 0x00, 0x00, 0x00, 0x00 }
87 );
88 1 }
89
90 4 TEST_F(MotorolaDbcTest, testNewMessage_0002) {
91 // Picture from Kvazer Database Editor for `30|7@0+`:
92 //
93 // | Bit Positions
94 // | 7 6 5 4 3 2 1 0
95 // ----+----------------
96 // B 0 |
97 // y 1 |
98 // t 2 |
99 // e 3 | <-----------|
100 // 4 |
101 // N 5 |
102 // u 6 |
103 // m 7 |
104 // . 8 |
105
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 1 checkRange(
106 /* bitStart = */ 30,
107 /* length = */ 7,
108 /* testValue = */ 0x59, // 0101 1001
109 /* expectedLSB = */ 24,
110 // | Bit Positions
111 // | 7 6 5 4 3 2 1 0
112 // ----+----------------
113 // B 0 | 0 0 0 0 0 0 0 0
114 // y 1 | 0 0 0 0 0 0 0 0
115 // t 2 | 0 0 0 0 0 0 0 0
116 // e 3 | 0 1-0-1-1-0-0-1
117 // 4 | 0 0 0 0 0 0 0 0
118 // N 5 | 0 0 0 0 0 0 0 0
119 // u 6 | 0 0 0 0 0 0 0 0
120 // m 7 | 0 0 0 0 0 0 0 0
121 // . 8 | 0 0 0 0 0 0 0 0
122 /* expectedData = */ { 0x00, 0x00, 0x00, 0x59, 0x00, 0x00, 0x00, 0x00 }
123 );
124 1 }
125
126 4 TEST_F(MotorolaDbcTest, testNewMessage_0003) {
127 // Picture from Kvazer Database Editor for `31|8@0+`:
128 //
129 // | Bit Positions
130 // | 7 6 5 4 3 2 1 0
131 // ----+----------------
132 // B 0 |
133 // y 1 |
134 // t 2 |
135 // e 3 | <-------------|
136 // 4 |
137 // N 5 |
138 // u 6 |
139 // m 7 |
140 // . 8 |
141
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 1 checkRange(
142 /* bitStart = */ 31,
143 /* length = */ 8,
144 /* testValue = */ 0xB3, // 1011 0011
145 /* expectedLSB = */ 24,
146 // | Bit Positions
147 // | 7 6 5 4 3 2 1 0
148 // ----+----------------
149 // B 0 | 0 0 0 0 0 0 0 0
150 // y 1 | 0 0 0 0 0 0 0 0
151 // t 2 | 0 0 0 0 0 0 0 0
152 // e 3 | 1-0-1-1-0-0-1-1
153 // 4 | 0 0 0 0 0 0 0 0
154 // N 5 | 0 0 0 0 0 0 0 0
155 // u 6 | 0 0 0 0 0 0 0 0
156 // m 7 | 0 0 0 0 0 0 0 0
157 // . 8 | 0 0 0 0 0 0 0 0
158 /* expectedData = */ { 0x00, 0x00, 0x00, 0xB3, 0x00, 0x00, 0x00, 0x00 }
159 );
160 1 }
161
162 4 TEST_F(MotorolaDbcTest, testNewMessage_0004) {
163 // Picture from Kvazer Database Editor for `17|10@0+`:
164 //
165 // | Bit Positions
166 // | 7 6 5 4 3 2 1 0
167 // ----+----------------
168 // B 0 |
169 // y 1 |
170 // t 2 | <--
171 // e 3 | --------------|
172 // 4 |
173 // N 5 |
174 // u 6 |
175 // m 7 |
176 // . 8 |
177
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 1 checkRange(
178 /* bitStart = */ 17,
179 /* length = */ 10,
180 /* testValue = */ 0x2C9, // 0010 1100 1001
181 /* expectedLSB = */ 24,
182 // | Bit Positions
183 // | 7 6 5 4 3 2 1 0
184 // ----+----------------
185 // B 0 | 0 0 0 0 0 0 0 0
186 // y 1 | 0 0 0 0 0 0 0 0
187 // t 2 | 0 0 0 0 0 0 1-0-
188 // e 3 |-1-1-0-0-1-0-0-1
189 // 4 | 0 0 0 0 0 0 0 0
190 // N 5 | 0 0 0 0 0 0 0 0
191 // u 6 | 0 0 0 0 0 0 0 0
192 // m 7 | 0 0 0 0 0 0 0 0
193 // . 8 | 0 0 0 0 0 0 0 0
194 /* expectedData = */ { 0x00, 0x00, 0x02, 0xC9, 0x00, 0x00, 0x00, 0x00 }
195 );
196 1 }
197
198 4 TEST_F(MotorolaDbcTest, testNewMessage_0005) {
199 // Picture from Kvazer Database Editor for `16|9@0+`:
200 //
201 // | Bit Positions
202 // | 7 6 5 4 3 2 1 0
203 // ----+----------------
204 // B 0 |
205 // y 1 |
206 // t 2 | <
207 // e 3 | --------------|
208 // 4 |
209 // N 5 |
210 // u 6 |
211 // m 7 |
212 // . 8 |
213
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 1 checkRange(
214 /* bitStart = */ 16,
215 /* length = */ 9,
216 /* testValue = */ 0x173, // 0001 0111 0011
217 /* expectedLSB = */ 24,
218 // | Bit Positions
219 // | 7 6 5 4 3 2 1 0
220 // ----+----------------
221 // B 0 | 0 0 0 0 0 0 0 0
222 // y 1 | 0 0 0 0 0 0 0 0
223 // t 2 | 0 0 0 0 0 0 0 1-
224 // e 3 |-0-1-1-1-0-0-1-1
225 // 4 | 0 0 0 0 0 0 0 0
226 // N 5 | 0 0 0 0 0 0 0 0
227 // u 6 | 0 0 0 0 0 0 0 0
228 // m 7 | 0 0 0 0 0 0 0 0
229 // . 8 | 0 0 0 0 0 0 0 0
230 /* expectedData = */ { 0x00, 0x00, 0x01, 0x73, 0x00, 0x00, 0x00, 0x00 }
231 );
232 1 }
233
234 4 TEST_F(MotorolaDbcTest, testNewMessage_0006) {
235 // Picture from Kvazer Database Editor for `13|8@0+`:
236 //
237 // | Bit Positions
238 // | 7 6 5 4 3 2 1 0
239 // ----+----------------
240 // B 0 |
241 // y 1 | <----------
242 // t 2 | --|
243 // e 3 |
244 // 4 |
245 // N 5 |
246 // u 6 |
247 // m 7 |
248 // . 8 |
249
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 1 checkRange(
250 /* bitStart = */ 13,
251 /* length = */ 8,
252 /* testValue = */ 0xB3, // 1011 0011
253 /* expectedLSB = */ 22,
254 // | Bit Positions
255 // | 7 6 5 4 3 2 1 0
256 // ----+----------------
257 // B 0 | 0 0 0 0 0 0 0 0
258 // y 1 | 0 0 1-0-1-1-0-0-
259 // t 2 |-1-1 0 0 0 0 0 0
260 // e 3 | 0 0 0 0 0 0 0 0
261 // 4 | 0 0 0 0 0 0 0 0
262 // N 5 | 0 0 0 0 0 0 0 0
263 // u 6 | 0 0 0 0 0 0 0 0
264 // m 7 | 0 0 0 0 0 0 0 0
265 // . 8 | 0 0 0 0 0 0 0 0
266 /* expectedData = */ { 0x00, 0x2C, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00 }
267 );
268 1 }
269
270 4 TEST_F(MotorolaDbcTest, testNewMessage_0007) {
271 // Picture from Kvazer Database Editor for `14|9@0+`:
272 //
273 // | Bit Positions
274 // | 7 6 5 4 3 2 1 0
275 // ----+----------------
276 // B 0 |
277 // y 1 | <------------
278 // t 2 | --|
279 // e 3 |
280 // 4 |
281 // N 5 |
282 // u 6 |
283 // m 7 |
284 // . 8 |
285
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 1 checkRange(
286 /* bitStart = */ 14,
287 /* length = */ 9,
288 /* testValue = */ 0x167, // 0001 0110 0111
289 /* expectedLSB = */ 22,
290 // | Bit Positions
291 // | 7 6 5 4 3 2 1 0
292 // ----+----------------
293 // B 0 | 0 0 0 0 0 0 0 0
294 // y 1 | 0 1 0-1-1-0-0-1-
295 // t 2 |-1-1 0 0 0 0 0 0
296 // e 3 | 0 0 0 0 0 0 0 0
297 // 4 | 0 0 0 0 0 0 0 0
298 // N 5 | 0 0 0 0 0 0 0 0
299 // u 6 | 0 0 0 0 0 0 0 0
300 // m 7 | 0 0 0 0 0 0 0 0
301 // . 8 | 0 0 0 0 0 0 0 0
302 /* expectedData = */ { 0x00, 0x59, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00 }
303 );
304 1 }
305
306 4 TEST_F(MotorolaDbcTest, testNewMessage_0008) {
307 // Picture from Kvazer Database Editor for `14|8@0+`:
308 //
309 // | Bit Positions
310 // | 7 6 5 4 3 2 1 0
311 // ----+----------------
312 // B 0 |
313 // y 1 | <------------
314 // t 2 | |
315 // e 3 |
316 // 4 |
317 // N 5 |
318 // u 6 |
319 // m 7 |
320 // . 8 |
321
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 1 checkRange(
322 /* bitStart = */ 14,
323 /* length = */ 8,
324 /* testValue = */ 0xB3, // 1011 0011
325 /* expectedLSB = */ 23,
326 // | Bit Positions
327 // | 7 6 5 4 3 2 1 0
328 // ----+----------------
329 // B 0 | 0 0 0 0 0 0 0 0
330 // y 1 | 0 1-0-1-1-0-0-1-
331 // t 2 |-1 0 0 0 0 0 0 0
332 // e 3 | 0 0 0 0 0 0 0 0
333 // 4 | 0 0 0 0 0 0 0 0
334 // N 5 | 0 0 0 0 0 0 0 0
335 // u 6 | 0 0 0 0 0 0 0 0
336 // m 7 | 0 0 0 0 0 0 0 0
337 // . 8 | 0 0 0 0 0 0 0 0
338 /* expectedData = */ { 0x00, 0x59, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00 }
339 );
340 1 }
341
342 // the following test completely duplicates functionality from `testNewMessage_0006`, we are leaving it as an
343 // outline to simplify debugging of the cases whan `checkRange` method fails
344 4 TEST_F(MotorolaDbcTest, testNewMessage_0006Simplified) {
345 1 std::array<uint8_t, 8> data { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
346
347 1 const int bitStart = 13;
348 1 const int length = 8;
349
350 // Picture from Kvazer Database Editor for `13|8@0+`:
351 //
352 // | Bit Positions
353 // | 7 6 5 4 3 2 1 0
354 // ----+----------------
355 // B 0 |
356 // y 1 | <----------
357 // t 2 | --|
358 // e 3 |
359 // 4 |
360 // N 5 |
361 // u 6 |
362 // m 7 |
363 // . 8 |
364
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 2 EXPECT_EQ(getBitRangeMoto(data.data(), bitStart, length), 0x00); // 0000
365
366 1 const int testValue = 0xB3; // 1011 0011
367
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 1 setBitRangeMoto(data.data(), bitStart, length, testValue);
368
369 //// | Bit Positions
370 //// | 7 6 5 4 3 2 1 0
371 //// ----+----------------
372 //// B 0 | 0 0 0 0 0 0 0 0
373 //// y 1 | 0 0 1-0-1-1-0-0-
374 //// t 2 |-1-1 0 0 0 0 0 0
375 //// e 3 | 0 0 0 0 0 0 0 0
376 //// 4 | 0 0 0 0 0 0 0 0
377 //// N 5 | 0 0 0 0 0 0 0 0
378 //// u 6 | 0 0 0 0 0 0 0 0
379 //// m 7 | 0 0 0 0 0 0 0 0
380 //// . 8 | 0 0 0 0 0 0 0 0
381 1 const std::array<uint8_t, 8> expectedData = { 0x00, 0x2C, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00 };
382
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 1 EXPECT_THAT(data, testing::ElementsAreArray(expectedData));
383
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 2 EXPECT_EQ(getBitRangeMoto(data.data(), bitStart, length), testValue);
384 1 }
385 }
386