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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 void message_sent(const IsoTpMessage* message, const bool success);
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
START_TEST (test_receive_multi_frame)
{
const uint8_t data0[CAN_MESSAGE_BYTE_SIZE] = {0x10, 0x14, 0x49, 0x02, 0x01, 0x31, 0x46, 0x4d};
IsoTpMessage message0 = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data0, 8);
fail_unless(!RECEIVE_HANDLE.completed);
fail_unless(!message0.completed);
fail_unless(!message_was_received);
fail_unless(message0.multi_frame);
//make sure flow control message has been sent.
ck_assert_int_eq(last_can_frame_sent_arb_id, 0x2a - 8);
ck_assert_int_eq(last_can_payload_sent, 0x30);
const uint8_t data1[CAN_MESSAGE_BYTE_SIZE] = {0x21, 0x43, 0x55, 0x39, 0x4a, 0x39, 0x34, 0x48};
IsoTpMessage message1 = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data1, 8);
fail_unless(!RECEIVE_HANDLE.completed);
fail_unless(!message1.completed);
fail_unless(!message_was_received);
fail_unless(message1.multi_frame);
const uint8_t data2[CAN_MESSAGE_BYTE_SIZE] = {0x22, 0x55, 0x41, 0x30, 0x34, 0x35, 0x32, 0x34};
IsoTpMessage message2 = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data2, 8);
fail_unless(RECEIVE_HANDLE.completed);
fail_unless(message2.completed);
fail_unless(message_was_received);
fail_unless(message2.multi_frame);
ck_assert_int_eq(last_message_received_arb_id, 0x2a);
ck_assert_int_eq(last_message_received_payload_size, 0x14);
ck_assert_int_eq(last_message_received_payload[0], 0x49);
ck_assert_int_eq(last_message_received_payload[1], 0x02);
ck_assert_int_eq(last_message_received_payload[2], 0x01);
ck_assert_int_eq(last_message_received_payload[3], 0x31);
ck_assert_int_eq(last_message_received_payload[4], 0x46);
ck_assert_int_eq(last_message_received_payload[5], 0x4d);
ck_assert_int_eq(last_message_received_payload[6], 0x43);
ck_assert_int_eq(last_message_received_payload[7], 0x55);
ck_assert_int_eq(last_message_received_payload[8], 0x39);
ck_assert_int_eq(last_message_received_payload[9], 0x4a);
ck_assert_int_eq(last_message_received_payload[10], 0x39);
ck_assert_int_eq(last_message_received_payload[11], 0x34);
ck_assert_int_eq(last_message_received_payload[12], 0x48);
ck_assert_int_eq(last_message_received_payload[13], 0x55);
ck_assert_int_eq(last_message_received_payload[14], 0x41);
ck_assert_int_eq(last_message_received_payload[15], 0x30);
ck_assert_int_eq(last_message_received_payload[16], 0x34);
ck_assert_int_eq(last_message_received_payload[17], 0x35);
ck_assert_int_eq(last_message_received_payload[18], 0x32);
ck_assert_int_eq(last_message_received_payload[19], 0x34);
}
END_TEST
START_TEST (test_receive_large_multi_frame)
{
const uint8_t data0[CAN_MESSAGE_BYTE_SIZE] = {0x10, 0x80, 0x49, 0x02, 0x01, 0x31, 0x46, 0x4d};
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data0, 8);
//Make sure we don't try to receive messages that are too large and don't send flow control.
fail_unless(!can_frame_was_sent);
fail_unless(!RECEIVE_HANDLE.completed);
fail_unless(!message.completed);
fail_unless(!message_was_received);
fail_unless(!message.multi_frame);
}
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);
tcase_add_test(tc_core, test_receive_multi_frame);
tcase_add_test(tc_core, test_receive_large_multi_frame);
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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