tests/test_core.c

   1 #include <uds/uds.h>
   2 #include <check.h>
   3 #include <stdint.h>
   4 #include <stdio.h>
   5 #include <stdbool.h>
   6
   7 extern bool can_frame_was_sent;
   8 extern void setup();
   9 extern bool last_response_was_received;
  10 extern DiagnosticResponse last_response_received;
  11 extern DiagnosticShims SHIMS;
  12 extern uint16_t last_can_frame_sent_arb_id;
  13 extern uint8_t last_can_payload_sent[8];
  14 extern uint8_t last_can_payload_size;
  15
  16 void response_received_handler(const DiagnosticResponse* response) {
  17     last_response_was_received = true;
  18     last_response_received = *response;
  19 }
  20
  21 START_TEST (test_receive_wrong_arb_id)
  22 {
  23     DiagnosticRequest request = {
  24         arbitration_id: 0x100,
  25         mode: OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST
  26     };
  27     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
  28             response_received_handler);
  29
  30     fail_if(last_response_was_received);
  31     const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23};
  32     diagnostic_receive_can_frame(&SHIMS, &handle, request.arbitration_id,
  33             can_data, sizeof(can_data));
  34     fail_if(last_response_was_received);
  35 }
  36 END_TEST
  37
  38 START_TEST (test_send_diag_request_with_payload)
  39 {
  40     DiagnosticRequest request = {
  41         arbitration_id: 0x100,
  42         mode: OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST,
  43         payload: {0x12, 0x34},
  44         payload_length: 2,
  45         no_frame_padding: true
  46     };
  47     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
  48             response_received_handler);
  49
  50     fail_if(handle.completed);
  51     // TODO it'd be better to check the ISO-TP message instead of the CAN frame,
  52     // but we don't have a good way to do that
  53     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
  54     ck_assert_int_eq(last_can_payload_sent[1], request.mode);
  55     ck_assert_int_eq(last_can_payload_size, 4);
  56     ck_assert_int_eq(last_can_payload_sent[2], request.payload[0]);
  57     ck_assert_int_eq(last_can_payload_sent[3], request.payload[1]);
  58 }
  59 END_TEST
  60
  61 START_TEST (test_send_functional_request)
  62 {
  63     DiagnosticRequest request = {
  64         arbitration_id: OBD2_FUNCTIONAL_BROADCAST_ID,
  65         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST,
  66         no_frame_padding: true
  67     };
  68     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
  69             response_received_handler);
  70
  71     fail_if(handle.completed);
  72     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
  73     ck_assert_int_eq(last_can_payload_sent[1], request.mode);
  74     ck_assert_int_eq(last_can_payload_size, 2);
  75
  76     fail_if(last_response_was_received);
  77     const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23};
  78     for(uint16_t filter = OBD2_FUNCTIONAL_RESPONSE_START; filter <
  79             OBD2_FUNCTIONAL_RESPONSE_START + OBD2_FUNCTIONAL_RESPONSE_COUNT;
  80             filter++) {
  81         DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS,
  82                 &handle, filter, can_data, sizeof(can_data));
  83         fail_unless(response.success);
  84         fail_unless(response.completed);
  85         fail_unless(handle.completed);
  86         ck_assert(last_response_received.success);
  87         ck_assert_int_eq(last_response_received.arbitration_id,
  88                 filter);
  89         ck_assert_int_eq(last_response_received.mode, request.mode);
  90         fail_if(last_response_received.has_pid);
  91         ck_assert_int_eq(last_response_received.payload_length, 1);
  92         ck_assert_int_eq(last_response_received.payload[0], can_data[2]);
  93     }
  94 }
  95 END_TEST
  96
  97 START_TEST (test_sent_message_no_padding)
  98 {
  99     DiagnosticRequest request = {
 100         arbitration_id: 0x100,
 101         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST,
 102         no_frame_padding: true
 103     };
 104     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
 105             response_received_handler);
 106
 107     fail_if(handle.completed);
 108     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 109     ck_assert_int_eq(last_can_payload_size, 2);
 110 }
 111 END_TEST
 112
 113 START_TEST (test_sent_message_is_padded_by_default)
 114 {
 115     DiagnosticRequest request = {
 116         arbitration_id: 0x100,
 117         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST
 118     };
 119     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
 120             response_received_handler);
 121
 122     fail_if(handle.completed);
 123     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 124     ck_assert_int_eq(last_can_payload_size, 8);
 125 }
 126 END_TEST
 127
 128 START_TEST (test_sent_message_is_padded)
 129 {
 130     DiagnosticRequest request = {
 131         arbitration_id: 0x100,
 132         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST,
 133         no_frame_padding: false
 134     };
 135     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
 136             response_received_handler);
 137
 138     fail_if(handle.completed);
 139     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 140     ck_assert_int_eq(last_can_payload_size, 8);
 141 }
 142 END_TEST
 143
 144 START_TEST (test_send_diag_request)
 145 {
 146     DiagnosticRequest request = {
 147         arbitration_id: 0x100,
 148         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST,
 149         no_frame_padding: true
 150     };
 151     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
 152             response_received_handler);
 153
 154     fail_if(handle.completed);
 155     fail_unless(can_frame_was_sent);
 156     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 157     ck_assert_int_eq(last_can_payload_sent[1], request.mode);
 158     ck_assert_int_eq(last_can_payload_size, 2);
 159
 160     fail_if(last_response_was_received);
 161     const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23};
 162     DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle,
 163             request.arbitration_id + 0x8, can_data, sizeof(can_data));
 164     fail_unless(response.success);
 165     fail_unless(response.completed);
 166     fail_unless(handle.completed);
 167     ck_assert(last_response_received.success);
 168     ck_assert_int_eq(last_response_received.arbitration_id,
 169             request.arbitration_id + 0x8);
 170     ck_assert_int_eq(last_response_received.mode, request.mode);
 171         fail_if(last_response_received.has_pid);
 172     ck_assert_int_eq(last_response_received.payload_length, 1);
 173     ck_assert_int_eq(last_response_received.payload[0], can_data[2]);
 174 }
 175 END_TEST
 176
 177 START_TEST (test_generate_then_send_request)
 178 {
 179     DiagnosticRequest request = {
 180         arbitration_id: 0x100,
 181         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST,
 182         no_frame_padding: true
 183     };
 184     DiagnosticRequestHandle handle = generate_diagnostic_request(&SHIMS,
 185             &request, response_received_handler);
 186
 187     fail_if(handle.completed);
 188     fail_if(can_frame_was_sent);
 189
 190     start_diagnostic_request(&SHIMS, &handle);
 191     fail_unless(can_frame_was_sent);
 192     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 193     ck_assert_int_eq(last_can_payload_sent[1], request.mode);
 194     ck_assert_int_eq(last_can_payload_size, 2);
 195
 196     fail_if(last_response_was_received);
 197     const uint8_t can_data[] = {0x2, request.mode + 0x40, 0x23};
 198     DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle,
 199             request.arbitration_id + 0x8, can_data, sizeof(can_data));
 200     fail_unless(response.success);
 201     fail_unless(response.completed);
 202     fail_unless(handle.completed);
 203     ck_assert(last_response_received.success);
 204     ck_assert_int_eq(last_response_received.arbitration_id,
 205             request.arbitration_id + 0x8);
 206     ck_assert_int_eq(last_response_received.mode, request.mode);
 207         fail_if(last_response_received.has_pid);
 208     ck_assert_int_eq(last_response_received.payload_length, 1);
 209     ck_assert_int_eq(last_response_received.payload[0], can_data[2]);
 210 }
 211 END_TEST
 212
 213 START_TEST (test_generate_diag_request)
 214 {
 215     DiagnosticRequest request = {
 216         arbitration_id: 0x100,
 217         mode: OBD2_MODE_EMISSIONS_DTC_REQUEST,
 218         no_frame_padding: true
 219     };
 220     DiagnosticRequestHandle handle = generate_diagnostic_request(&SHIMS,
 221             &request, response_received_handler);
 222
 223     fail_if(handle.completed);
 224     fail_if(can_frame_was_sent);
 225 }
 226 END_TEST
 227
 228 START_TEST (test_autoset_pid_length)
 229 {
 230     uint16_t arb_id = OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST;
 231     diagnostic_request_pid(&SHIMS, DIAGNOSTIC_STANDARD_PID, arb_id, 0x2,
 232             response_received_handler);
 233
 234     ck_assert_int_eq(last_can_frame_sent_arb_id, arb_id);
 235     ck_assert_int_eq(last_can_payload_sent[1], 0x1);
 236     ck_assert_int_eq(last_can_payload_sent[2], 0x2);
 237     // padding is on for the diagnostic_request_pid helper function - if you
 238     // need to turn it off, use the more manual diagnostic_request(...)
 239     ck_assert_int_eq(last_can_payload_size, 8);
 240
 241     DiagnosticRequest request = {
 242         arbitration_id: 0x100,
 243         mode: 0x22,
 244         has_pid: true,
 245         pid: 0x1234,
 246         no_frame_padding: true
 247     };
 248     diagnostic_request(&SHIMS, &request, response_received_handler);
 249
 250     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 251     ck_assert_int_eq(last_can_payload_sent[1], request.mode);
 252     ck_assert_int_eq(last_can_payload_sent[2], (request.pid & 0xFF00) >> 8);
 253     ck_assert_int_eq(last_can_payload_sent[3], request.pid & 0xFF);
 254     ck_assert_int_eq(last_can_payload_size, 4);
 255
 256     request.arbitration_id = 0x101;
 257     request.pid = 0x12;
 258
 259     diagnostic_request(&SHIMS, &request, response_received_handler);
 260
 261     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 262     ck_assert_int_eq(last_can_payload_sent[1], request.mode);
 263     ck_assert_int_eq(last_can_payload_sent[2], request.pid);
 264     ck_assert_int_eq(last_can_payload_size, 3);
 265 }
 266 END_TEST
 267
 268 START_TEST (test_request_pid_standard)
 269 {
 270     uint16_t arb_id = OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST;
 271     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 272             DIAGNOSTIC_STANDARD_PID, arb_id, 0x2, response_received_handler);
 273
 274     fail_if(last_response_was_received);
 275     const uint8_t can_data[] = {0x3, 0x1 + 0x40, 0x2, 0x45};
 276     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8,
 277             can_data, sizeof(can_data));
 278     fail_unless(last_response_was_received);
 279     ck_assert(last_response_received.success);
 280     ck_assert_int_eq(last_response_received.arbitration_id,
 281             arb_id + 0x8);
 282     ck_assert_int_eq(last_response_received.mode, 0x1);
 283     fail_unless(last_response_received.has_pid);
 284     ck_assert_int_eq(last_response_received.pid, 0x2);
 285     ck_assert_int_eq(last_response_received.payload_length, 1);
 286     ck_assert_int_eq(last_response_received.payload[0], can_data[3]);
 287 }
 288 END_TEST
 289
 290 START_TEST (test_request_pid_enhanced)
 291 {
 292     uint16_t arb_id = 0x100;
 293     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 294             DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler);
 295
 296     fail_if(last_response_was_received);
 297     const uint8_t can_data[] = {0x4, 0x22 + 0x40, 0x12, 0x34, 0x45};
 298     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data,
 299             sizeof(can_data));
 300     fail_unless(last_response_was_received);
 301     ck_assert(last_response_received.success);
 302     ck_assert_int_eq(last_response_received.arbitration_id,
 303             arb_id + 0x8);
 304     ck_assert_int_eq(last_response_received.mode, 0x22);
 305     fail_unless(last_response_received.has_pid);
 306     ck_assert_int_eq(last_response_received.pid, 0x1234);
 307     ck_assert_int_eq(last_response_received.payload_length, 1);
 308     ck_assert_int_eq(last_response_received.payload[0], can_data[4]);
 309 }
 310 END_TEST
 311
 312 START_TEST (test_wrong_mode_response)
 313 {
 314     uint16_t arb_id = 0x100;
 315     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 316             DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler);
 317
 318     fail_if(last_response_was_received);
 319     const uint8_t can_data[] = {0x4, 0x1 + 0x40, 0x12, 0x34, 0x45};
 320     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data,
 321             sizeof(can_data));
 322     fail_if(last_response_was_received);
 323     fail_if(handle.completed);
 324 }
 325 END_TEST
 326
 327 START_TEST (test_missing_pid)
 328 {
 329     uint16_t arb_id = 0x100;
 330     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 331             DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler);
 332
 333     fail_if(last_response_was_received);
 334     const uint8_t can_data[] = {0x1, 0x22 + 0x40};
 335     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data,
 336             sizeof(can_data));
 337     fail_if(last_response_was_received);
 338     fail_if(handle.completed);
 339 }
 340 END_TEST
 341
 342 START_TEST (test_wrong_pid_response)
 343 {
 344     uint16_t arb_id = 0x100;
 345     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 346             DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler);
 347
 348     fail_if(last_response_was_received);
 349     const uint8_t can_data[] = {0x4, 0x22 + 0x40, 0x12, 0x33, 0x45};
 350     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data,
 351             sizeof(can_data));
 352     fail_if(last_response_was_received);
 353     fail_if(handle.completed);
 354 }
 355 END_TEST
 356
 357 START_TEST (test_wrong_pid_then_right_completes)
 358 {
 359     uint16_t arb_id = 0x100;
 360     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 361             DIAGNOSTIC_ENHANCED_PID, arb_id, 0x1234, response_received_handler);
 362
 363     fail_if(last_response_was_received);
 364     uint8_t can_data[] = {0x4, 0x22 + 0x40, 0x12, 0x33, 0x45};
 365     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data,
 366             sizeof(can_data));
 367     fail_if(last_response_was_received);
 368     fail_if(handle.completed);
 369
 370     can_data[3] = 0x34;
 371     diagnostic_receive_can_frame(&SHIMS, &handle, arb_id + 0x8, can_data,
 372             sizeof(can_data));
 373     fail_unless(last_response_was_received);
 374     fail_unless(handle.completed);
 375     fail_unless(handle.success);
 376     fail_unless(last_response_received.success);
 377     ck_assert_int_eq(last_response_received.pid, 0x1234);
 378 }
 379 END_TEST
 380
 381 START_TEST (test_negative_response)
 382 {
 383     DiagnosticRequest request = {
 384         arbitration_id: 0x100,
 385         mode: OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST
 386     };
 387     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
 388             response_received_handler);
 389     const uint8_t can_data[] = {0x3, 0x7f, request.mode,
 390         NRC_SERVICE_NOT_SUPPORTED};
 391     DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle,
 392             request.arbitration_id + 0x8, can_data, sizeof(can_data));
 393     fail_unless(response.completed);
 394     fail_if(response.success);
 395     fail_unless(handle.completed);
 396
 397     fail_if(last_response_received.success);
 398     ck_assert_int_eq(last_response_received.arbitration_id,
 399             request.arbitration_id + 0x8);
 400     ck_assert_int_eq(last_response_received.mode, request.mode);
 401     ck_assert_int_eq(last_response_received.pid, 0);
 402     ck_assert_int_eq(last_response_received.negative_response_code,
 403             NRC_SERVICE_NOT_SUPPORTED);
 404     ck_assert_int_eq(last_response_received.payload_length, 0);
 405 }
 406 END_TEST
 407
 408 START_TEST (test_payload_to_integer)
 409 {
 410     uint16_t arb_id = OBD2_MODE_POWERTRAIN_DIAGNOSTIC_REQUEST;
 411     DiagnosticRequestHandle handle = diagnostic_request_pid(&SHIMS,
 412             DIAGNOSTIC_STANDARD_PID, arb_id, 0x2, response_received_handler);
 413
 414     fail_if(last_response_was_received);
 415     const uint8_t can_data[] = {0x4, 0x1 + 0x40, 0x2, 0x45, 0x12};
 416     DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle,
 417             arb_id + 0x8, can_data, sizeof(can_data));
 418     ck_assert_int_eq(diagnostic_payload_to_integer(&response), 0x4512);
 419 }
 420 END_TEST
 421
 422 START_TEST (test_response_multi_frame)
 423 {
 424     DiagnosticRequest request = {
 425         arbitration_id: 0x100,
 426         mode: OBD2_MODE_VEHICLE_INFORMATION,
 427         has_pid: true,
 428         pid: 0x2
 429     };
 430     DiagnosticRequestHandle handle = diagnostic_request(&SHIMS, &request,
 431             response_received_handler);
 432
 433     const uint8_t can_data[] = {0x10, 0x14, 0x9 + 0x40, 0x2, 0x1, 0x31, 0x46, 0x4d};
 434     DiagnosticResponse response = diagnostic_receive_can_frame(&SHIMS, &handle,
 435             request.arbitration_id + 0x8, can_data, sizeof(can_data));
 436
 437     fail_unless(can_frame_was_sent);
 438     fail_unless(!response.success);
 439     fail_unless(!response.completed);
 440     fail_unless(response.multi_frame);
 441     ck_assert_int_eq(last_can_frame_sent_arb_id, request.arbitration_id);
 442     ck_assert_int_eq(last_can_payload_sent[0], 0x30);
 443
 444     const uint8_t can_data_1[] = {0x21, 0x43, 0x55, 0x39, 0x4a, 0x39, 0x34, 0x48};
 445     response = diagnostic_receive_can_frame(&SHIMS, &handle,
 446             request.arbitration_id + 0x8, can_data_1, sizeof(can_data_1));
 447     fail_unless(!response.success);
 448     fail_unless(!response.completed);
 449     fail_unless(response.multi_frame);
 450
 451     const uint8_t can_data_2[] = {0x22, 0x55, 0x41, 0x30, 0x34, 0x35, 0x32, 0x34};
 452     response = diagnostic_receive_can_frame(&SHIMS, &handle,
 453             request.arbitration_id + 0x8, can_data_2, sizeof(can_data_2));
 454     fail_unless(response.success);
 455     fail_unless(response.completed);
 456     fail_unless(response.multi_frame);
 457     ck_assert_int_eq(response.mode, OBD2_MODE_VEHICLE_INFORMATION);
 458     ck_assert_int_eq(response.pid, 0x2);
 459     ck_assert_int_eq(response.payload_length, 18);
 460     ck_assert_int_eq(response.payload[0], 0x01);
 461     ck_assert_int_eq(response.payload[1], 0x31);
 462     ck_assert_int_eq(response.payload[2], 0x46);
 463     ck_assert_int_eq(response.payload[3], 0x4d);
 464     ck_assert_int_eq(response.payload[4], 0x43);
 465     ck_assert_int_eq(response.payload[5], 0x55);
 466     ck_assert_int_eq(response.payload[6], 0x39);
 467     ck_assert_int_eq(response.payload[7], 0x4a);
 468     ck_assert_int_eq(response.payload[8], 0x39);
 469     ck_assert_int_eq(response.payload[9], 0x34);
 470     ck_assert_int_eq(response.payload[10], 0x48);
 471     ck_assert_int_eq(response.payload[11], 0x55);
 472     ck_assert_int_eq(response.payload[12], 0x41);
 473     ck_assert_int_eq(response.payload[13], 0x30);
 474     ck_assert_int_eq(response.payload[14], 0x34);
 475     ck_assert_int_eq(response.payload[15], 0x35);
 476     ck_assert_int_eq(response.payload[16], 0x32);
 477     ck_assert_int_eq(response.payload[17], 0x34);
 478 }
 479 END_TEST
 480
 481 Suite* testSuite(void) {
 482     Suite* s = suite_create("uds");
 483     TCase *tc_core = tcase_create("core");
 484     tcase_add_checked_fixture(tc_core, setup, NULL);
 485     tcase_add_test(tc_core, test_sent_message_no_padding);
 486     tcase_add_test(tc_core, test_sent_message_is_padded);
 487     tcase_add_test(tc_core, test_sent_message_is_padded_by_default);
 488     tcase_add_test(tc_core, test_generate_diag_request);
 489     tcase_add_test(tc_core, test_generate_then_send_request);
 490     tcase_add_test(tc_core, test_send_diag_request);
 491     tcase_add_test(tc_core, test_send_functional_request);
 492     tcase_add_test(tc_core, test_send_diag_request_with_payload);
 493     tcase_add_test(tc_core, test_receive_wrong_arb_id);
 494     tcase_add_test(tc_core, test_autoset_pid_length);
 495     tcase_add_test(tc_core, test_request_pid_standard);
 496     tcase_add_test(tc_core, test_request_pid_enhanced);
 497     tcase_add_test(tc_core, test_wrong_mode_response);
 498     tcase_add_test(tc_core, test_wrong_pid_response);
 499     tcase_add_test(tc_core, test_missing_pid);
 500     tcase_add_test(tc_core, test_wrong_pid_then_right_completes);
 501     tcase_add_test(tc_core, test_negative_response);
 502     tcase_add_test(tc_core, test_payload_to_integer);
 503     tcase_add_test(tc_core, test_response_multi_frame);
 504
 505     // TODO these are future work:
 506     // TODO test request MIL
 507     // TODO test request VIN
 508     // TODO test request DTC
 509     // TODO test clear DTC
 510     // TODO test enumerate PIDs
 511     suite_add_tcase(s, tc_core);
 512
 513     return s;
 514 }
 515
 516 int main(void) {
 517     int numberFailed;
 518     Suite* s = testSuite();
 519     SRunner *sr = srunner_create(s);
 520     // Don't fork so we can actually use gdb
 521     srunner_set_fork_status(sr, CK_NOFORK);
 522     srunner_run_all(sr, CK_NORMAL);
 523     numberFailed = srunner_ntests_failed(sr);
 524     srunner_free(sr);
 525     return (numberFailed == 0) ? 0 : 1;
 526 }