CAN-binder/libs/isotp-c/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 IsoTpReceiveHandle RECEIVE_HANDLE;
  10
  11 extern void message_sent(const IsoTpMessage* message, const bool success);
  12
  13 extern uint16_t last_can_frame_sent_arb_id;
  14 extern uint8_t last_can_payload_sent;
  15 extern uint8_t last_can_payload_size;
  16 extern bool can_frame_was_sent;
  17
  18 extern bool message_was_received;
  19 extern uint16_t last_message_received_arb_id;
  20 extern uint8_t last_message_received_payload[];
  21 extern uint8_t last_message_received_payload_size;
  22
  23 extern uint16_t last_message_sent_arb_id;
  24 extern bool last_message_sent_status;
  25 extern uint8_t last_message_sent_payload[];
  26 extern uint8_t last_message_sent_payload_size;
  27
  28 extern void setup();
  29
  30 START_TEST (test_receive_empty_can_message)
  31 {
  32     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0};
  33     fail_if(RECEIVE_HANDLE.completed);
  34     IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x100, data, 0);
  35     fail_if(message.completed);
  36     fail_if(message_was_received);
  37 }
  38 END_TEST
  39
  40 START_TEST (test_receive_wrong_id)
  41 {
  42     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0};
  43     fail_if(RECEIVE_HANDLE.completed);
  44     IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x100, data, 1);
  45     fail_if(message.completed);
  46     fail_if(message_was_received);
  47 }
  48 END_TEST
  49
  50 START_TEST (test_receive_bad_pci)
  51 {
  52     // 4 is a reserved number for the PCI field - only 0-3 are allowed
  53     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x40};
  54     IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data, 1);
  55     fail_if(message.completed);
  56     fail_if(message_was_received);
  57 }
  58 END_TEST
  59
  60 START_TEST (test_receive_single_frame_empty_payload)
  61 {
  62     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x00, 0x12, 0x34};
  63     fail_if(RECEIVE_HANDLE.completed);
  64     IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data, 3);
  65     fail_unless(RECEIVE_HANDLE.completed);
  66     fail_unless(message.completed);
  67     fail_unless(message_was_received);
  68     ck_assert_int_eq(last_message_received_arb_id, 0x2a);
  69     ck_assert_int_eq(last_message_received_payload_size, 0);
  70 }
  71 END_TEST
  72
  73 START_TEST (test_receive_single_frame)
  74 {
  75     const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x02, 0x12, 0x34};
  76     IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data, 3);
  77     fail_unless(message.completed);
  78     fail_unless(message_was_received);
  79     ck_assert_int_eq(last_message_received_arb_id, 0x2a);
  80     ck_assert_int_eq(last_message_received_payload_size, 2);
  81     ck_assert_int_eq(last_message_received_payload[0], 0x12);
  82     ck_assert_int_eq(last_message_received_payload[1], 0x34);
  83 }
  84 END_TEST
  85
  86 START_TEST (test_receive_multi_frame)
  87 {
  88     const uint8_t data0[CAN_MESSAGE_BYTE_SIZE] = {0x10, 0x14, 0x49, 0x02, 0x01, 0x31, 0x46, 0x4d};
  89     IsoTpMessage message0 = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data0, 8);
  90     fail_unless(!RECEIVE_HANDLE.completed);
  91     fail_unless(!message0.completed);
  92     fail_unless(!message_was_received);
  93     fail_unless(message0.multi_frame);
  94     //make sure flow control message has been sent.
  95     ck_assert_int_eq(last_can_frame_sent_arb_id, 0x2a - 8);
  96     ck_assert_int_eq(last_can_payload_sent, 0x30);
  97
  98     const uint8_t data1[CAN_MESSAGE_BYTE_SIZE] = {0x21, 0x43, 0x55, 0x39, 0x4a, 0x39, 0x34, 0x48};
  99     IsoTpMessage message1 = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data1, 8);
 100     fail_unless(!RECEIVE_HANDLE.completed);
 101     fail_unless(!message1.completed);
 102     fail_unless(!message_was_received);
 103     fail_unless(message1.multi_frame);
 104
 105     const uint8_t data2[CAN_MESSAGE_BYTE_SIZE] = {0x22, 0x55, 0x41, 0x30, 0x34, 0x35, 0x32, 0x34};
 106     IsoTpMessage message2 = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data2, 8);
 107     fail_unless(RECEIVE_HANDLE.completed);
 108     fail_unless(message2.completed);
 109     fail_unless(message_was_received);
 110     fail_unless(message2.multi_frame);
 111
 112     ck_assert_int_eq(last_message_received_arb_id, 0x2a);
 113     ck_assert_int_eq(last_message_received_payload_size, 0x14);
 114     ck_assert_int_eq(last_message_received_payload[0], 0x49);
 115     ck_assert_int_eq(last_message_received_payload[1], 0x02);
 116     ck_assert_int_eq(last_message_received_payload[2], 0x01);
 117     ck_assert_int_eq(last_message_received_payload[3], 0x31);
 118     ck_assert_int_eq(last_message_received_payload[4], 0x46);
 119     ck_assert_int_eq(last_message_received_payload[5], 0x4d);
 120     ck_assert_int_eq(last_message_received_payload[6], 0x43);
 121     ck_assert_int_eq(last_message_received_payload[7], 0x55);
 122     ck_assert_int_eq(last_message_received_payload[8], 0x39);
 123     ck_assert_int_eq(last_message_received_payload[9], 0x4a);
 124     ck_assert_int_eq(last_message_received_payload[10], 0x39);
 125     ck_assert_int_eq(last_message_received_payload[11], 0x34);
 126     ck_assert_int_eq(last_message_received_payload[12], 0x48);
 127     ck_assert_int_eq(last_message_received_payload[13], 0x55);
 128     ck_assert_int_eq(last_message_received_payload[14], 0x41);
 129     ck_assert_int_eq(last_message_received_payload[15], 0x30);
 130     ck_assert_int_eq(last_message_received_payload[16], 0x34);
 131     ck_assert_int_eq(last_message_received_payload[17], 0x35);
 132     ck_assert_int_eq(last_message_received_payload[18], 0x32);
 133     ck_assert_int_eq(last_message_received_payload[19], 0x34);
 134 }
 135 END_TEST
 136
 137 START_TEST (test_receive_large_multi_frame)
 138 {
 139     const uint8_t data0[CAN_MESSAGE_BYTE_SIZE] = {0x10, 0x80, 0x49, 0x02, 0x01, 0x31, 0x46, 0x4d};
 140     IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data0, 8);
 141     //Make sure we don't try to receive messages that are too large and don't send flow control.
 142     fail_unless(!can_frame_was_sent);
 143     fail_unless(!RECEIVE_HANDLE.completed);
 144     fail_unless(!message.completed);
 145     fail_unless(!message_was_received);
 146     fail_unless(!message.multi_frame);
 147 }
 148 END_TEST
 149
 150 Suite* testSuite(void) {
 151     Suite* s = suite_create("iso15765");
 152     TCase *tc_core = tcase_create("receive");
 153     tcase_add_checked_fixture(tc_core, setup, NULL);
 154     tcase_add_test(tc_core, test_receive_wrong_id);
 155     tcase_add_test(tc_core, test_receive_bad_pci);
 156     tcase_add_test(tc_core, test_receive_single_frame);
 157     tcase_add_test(tc_core, test_receive_single_frame_empty_payload);
 158     tcase_add_test(tc_core, test_receive_empty_can_message);
 159     tcase_add_test(tc_core, test_receive_multi_frame);
 160     tcase_add_test(tc_core, test_receive_large_multi_frame);
 161     suite_add_tcase(s, tc_core);
 162
 163     return s;
 164 }
 165
 166 int main(void) {
 167     int numberFailed;
 168     Suite* s = testSuite();
 169     SRunner *sr = srunner_create(s);
 170     // Don't fork so we can actually use gdb
 171     srunner_set_fork_status(sr, CK_NOFORK);
 172     srunner_run_all(sr, CK_NORMAL);
 173     numberFailed = srunner_ntests_failed(sr);
 174     srunner_free(sr);
 175     return (numberFailed == 0) ? 0 : 1;
 176 }