Function unittest

libraries/PCF8575/test/unit_test_001.cpp:53–59

unittest(test_constants)
{
  assertEqual(PCF8575_INITIAL_VALUE, 0xFFFF);
  assertEqual(PCF8575_OK           , 0x00);
  assertEqual(PCF8575_PIN_ERROR    , 0x81);
  assertEqual(PCF8575_I2C_ERROR    , 0x82);
}


unittest(test_begin)