Peter M. Groen / libmodbus

Commit 93a05986fc0fd352e054d1befead52d9bd2463c3

Authored by Stéphane Raimbault
1 parent b7ed06a4

Unit test for baud rate check and error message

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Showing 2 changed files with 5 additions and 2 deletions
src/modbus-rtu.c
  View file @93a0598
... ... @@ -1148,7 +1148,7 @@ modbus_t* modbus_new_rtu(const char *device,
1148 1148  
1149 1149 /* Check baud argument */
1150 1150 if (baud == 0) {
1151   - fprintf(stderr, "baud must not be zero\n");
  1151 + fprintf(stderr, "The baud rate value must not be zero\n");
1152 1152 errno = EINVAL;
1153 1153 return NULL;
1154 1154 }
... ...
tests/unit-test-client.c
  View file @93a0598
... ... @@ -590,7 +590,10 @@ int main(int argc, char *argv[])
590 590  
591 591 /* Test init functions */
592 592 printf("\nTEST INVALID INITIALIZATION:\n");
593   - ctx = modbus_new_rtu(NULL, 0, 'A', 0, 0);
  593 + ctx = modbus_new_rtu(NULL, 1, 'A', 0, 0);
  594 + ASSERT_TRUE(ctx == NULL && errno == EINVAL, "");
  595 +
  596 + ctx = modbus_new_rtu("/dev/dummy", 0, 'A', 0, 0);
594 597 ASSERT_TRUE(ctx == NULL && errno == EINVAL, "");
595 598  
596 599 ctx = modbus_new_tcp_pi(NULL, NULL);
... ...