Peter M. Groen / libmodbus

Commit a0c660fe43a188b424b1840dcd39f9ccc475a700

Authored by Stéphane Raimbault
1 parent 3593d5ad

Add unit test to read 0 registers

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Showing 1 changed file with 12 additions and 2 deletions
tests/unit-test-client.c
  View file @a0c660f
... ... @@ -204,7 +204,7 @@ int main(void)
204 204 rc = modbus_write_registers(ctx, UT_REGISTERS_ADDRESS,
205 205 UT_REGISTERS_NB_POINTS,
206 206 UT_REGISTERS_TAB);
207   - printf("1/2 modbus_write_registers: ");
  207 + printf("1/3 modbus_write_registers: ");
208 208 if (rc == UT_REGISTERS_NB_POINTS) {
209 209 printf("OK\n");
210 210 } else {
... ... @@ -215,7 +215,7 @@ int main(void)
215 215 rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
216 216 UT_REGISTERS_NB_POINTS,
217 217 tab_rp_registers);
218   - printf("2/2 modbus_read_registers: ");
  218 + printf("2/3 modbus_read_registers: ");
219 219 if (rc != UT_REGISTERS_NB_POINTS) {
220 220 printf("FAILED (nb points %d)\n", rc);
221 221 goto close;
... ... @@ -230,6 +230,16 @@ int main(void)
230 230 }
231 231 }
232 232 printf("OK\n");
  233 +
  234 + rc = modbus_read_registers(ctx, UT_REGISTERS_ADDRESS,
  235 + 0, tab_rp_registers);
  236 + printf("3/3 modbus_read_registers (0): ");
  237 + if (rc != 0) {
  238 + printf("FAILED (nb points %d)\n", rc);
  239 + goto close;
  240 + }
  241 + printf("OK\n");
  242 +
233 243 /* End of many registers */
234 244  
235 245  
... ...