tests/test_receive.c

   1 #include <isotp/isotp.h>
   2 #include <check.h>
   3 #include <stdint.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <stdarg.h>
   7
   8 extern IsoTpShims SHIMS;
   9 extern IsoTpHandler ISOTP_HANDLER;
  10
  11 extern uint16_t last_can_frame_sent_arb_id;
  12 extern uint8_t last_can_payload_sent;
  13 extern uint8_t last_can_payload_size;
  14 extern bool can_frame_was_sent;
  15
  16 extern bool message_was_received;
  17 extern uint16_t last_message_received_arb_id;
  18 extern uint8_t* last_message_received_payload;
  19 extern uint8_t last_message_received_payload_size;
  20
  21 extern uint16_t last_message_sent_arb_id;
  22 extern bool last_message_sent_status;
  23 extern uint8_t* last_message_sent_payload;
  24 extern uint8_t last_message_sent_payload_size;
  25
  26 extern void setup();
  27
  28 START_TEST (test_receive_wrong_id)
  29 {
  30     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0};
  31     isotp_receive_can_frame(&ISOTP_HANDLER, 0x100, data, 1);
  32     fail_if(message_was_received);
  33 }
  34 END_TEST
  35
  36 START_TEST (test_receive_bad_pci)
  37 {
  38     // 4 is a reserved number for the PCI field - only 0-3 are allowed
  39     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x40};
  40     isotp_receive_can_frame(&ISOTP_HANDLER, 0x2a, data, 1);
  41     fail_if(message_was_received);
  42 }
  43 END_TEST
  44
  45 START_TEST (test_receive_single_frame_empty_payload)
  46 {
  47     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x00, 0x12, 0x34};
  48     isotp_receive_can_frame(&ISOTP_HANDLER, 0x2a, data, 3);
  49     fail_unless(message_was_received);
  50     ck_assert_int_eq(last_message_received_arb_id, 0x2a);
  51     ck_assert_int_eq(last_message_received_payload_size, 0);
  52 }
  53 END_TEST
  54
  55 START_TEST (test_receive_single_frame)
  56 {
  57     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x02, 0x12, 0x34};
  58     isotp_receive_can_frame(&ISOTP_HANDLER, 0x2a, data, 3);
  59     fail_unless(message_was_received);
  60     ck_assert_int_eq(last_message_received_arb_id, 0x2a);
  61     ck_assert_int_eq(last_message_received_payload_size, 2);
  62     ck_assert_int_eq(last_message_received_payload[0], 0x12);
  63     ck_assert_int_eq(last_message_received_payload[1], 0x34);
  64 }
  65 END_TEST
  66
  67 Suite* testSuite(void) {
  68     Suite* s = suite_create("iso15765");
  69     TCase *tc_core = tcase_create("receive");
  70     tcase_add_checked_fixture(tc_core, setup, NULL);
  71     tcase_add_test(tc_core, test_receive_wrong_id);
  72     tcase_add_test(tc_core, test_receive_bad_pci);
  73     tcase_add_test(tc_core, test_receive_single_frame);
  74     tcase_add_test(tc_core, test_receive_single_frame_empty_payload);
  75     suite_add_tcase(s, tc_core);
  76
  77     return s;
  78 }
  79
  80 int main(void) {
  81     int numberFailed;
  82     Suite* s = testSuite();
  83     SRunner *sr = srunner_create(s);
  84     // Don't fork so we can actually use gdb
  85     srunner_set_fork_status(sr, CK_NOFORK);
  86     srunner_run_all(sr, CK_NORMAL);
  87     numberFailed = srunner_ntests_failed(sr);
  88     srunner_free(sr);
  89     return (numberFailed == 0) ? 0 : 1;
  90 }