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[apps/low-level-can-service.git] / libs / isotp-c / tests / test_receive.c

diff --git a/libs/isotp-c/tests/test_receive.c b/libs/isotp-c/tests/test_receive.c
new file mode 100644 (file)
index 0000000..607f906
--- /dev/null
+++ b/libs/isotp-c/tests/test_receive.c
@@ -0,0 +1,176 @@
+#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;
+}