Add skeleton tests for receiving and sending ISO-TP messages.

1 files changed, 79 insertions, 0 deletions

diff --git a/tests/test_receive.c b/tests/test_receive.c
new file mode 100644
index 00000000..4134cfd6
--- /dev/null
+++ b/tests/test_receive.c
@@ -0,0 +1,79 @@
+#include <isotp/isotp.h>
+#include <check.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+extern IsoTpShims SHIMS;
+extern IsoTpHandler ISOTP_HANDLER;
+
+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_wrong_id)
+{
+    const uint8_t data[8] = {0};
+    isotp_receive_can_frame(0x100, data, sizeof(data));
+    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[8] = {0x40};
+    isotp_receive_can_frame(0x2a, data, sizeof(data));
+    fail_if(message_was_received);
+}
+END_TEST
+
+START_TEST (test_receive_single_frame)
+{
+    const uint8_t data[8] = {0x0, 0x12, 0x34};
+    isotp_receive_can_frame(0x2a, data, sizeof(data));
+    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[0], 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);
+    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;
+}