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#include <isotp/isotp.h>
#include <check.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
extern IsoTpShims SHIMS;
extern IsoTpReceiveHandle RECEIVE_HANDLE;
extern uint16_t last_can_frame_sent_arb_id;
extern uint8_t last_can_payload_sent;
extern uint8_t last_can_payload_size;
extern bool can_frame_was_sent;
extern bool message_was_received;
extern uint16_t last_message_received_arb_id;
extern uint8_t last_message_received_payload[];
extern uint8_t last_message_received_payload_size;
extern uint16_t last_message_sent_arb_id;
extern bool last_message_sent_status;
extern uint8_t last_message_sent_payload[];
extern uint8_t last_message_sent_payload_size;
extern void setup();
START_TEST (test_receive_empty_can_message)
{
const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0};
fail_if(RECEIVE_HANDLE.completed);
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x100, data, 0);
fail_if(message.completed);
fail_if(message_was_received);
}
END_TEST
START_TEST (test_receive_wrong_id)
{
const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0};
fail_if(RECEIVE_HANDLE.completed);
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x100, data, 1);
fail_if(message.completed);
fail_if(message_was_received);
}
END_TEST
START_TEST (test_receive_bad_pci)
{
// 4 is a reserved number for the PCI field - only 0-3 are allowed
const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x40};
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data, 1);
fail_if(message.completed);
fail_if(message_was_received);
}
END_TEST
START_TEST (test_receive_single_frame_empty_payload)
{
const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x00, 0x12, 0x34};
fail_if(RECEIVE_HANDLE.completed);
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data, 3);
fail_unless(RECEIVE_HANDLE.completed);
fail_unless(message.completed);
fail_unless(message_was_received);
ck_assert_int_eq(last_message_received_arb_id, 0x2a);
ck_assert_int_eq(last_message_received_payload_size, 0);
}
END_TEST
START_TEST (test_receive_single_frame)
{
const uint8_t data[CAN_MESSAGE_BYTE_SIZE] = {0x02, 0x12, 0x34};
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data, 3);
fail_unless(message.completed);
fail_unless(message_was_received);
ck_assert_int_eq(last_message_received_arb_id, 0x2a);
ck_assert_int_eq(last_message_received_payload_size, 2);
ck_assert_int_eq(last_message_received_payload[0], 0x12);
ck_assert_int_eq(last_message_received_payload[1], 0x34);
}
END_TEST
Suite* testSuite(void) {
Suite* s = suite_create("iso15765");
TCase *tc_core = tcase_create("receive");
tcase_add_checked_fixture(tc_core, setup, NULL);
tcase_add_test(tc_core, test_receive_wrong_id);
tcase_add_test(tc_core, test_receive_bad_pci);
tcase_add_test(tc_core, test_receive_single_frame);
tcase_add_test(tc_core, test_receive_single_frame_empty_payload);
tcase_add_test(tc_core, test_receive_empty_can_message);
suite_add_tcase(s, tc_core);
return s;
}
int main(void) {
int numberFailed;
Suite* s = testSuite();
SRunner *sr = srunner_create(s);
// Don't fork so we can actually use gdb
srunner_set_fork_status(sr, CK_NOFORK);
srunner_run_all(sr, CK_NORMAL);
numberFailed = srunner_ntests_failed(sr);
srunner_free(sr);
return (numberFailed == 0) ? 0 : 1;
}
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