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106 lines
2.4 KiB
C++
106 lines
2.4 KiB
C++
//
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// FILE: unit_test_001.cpp
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// DATE: 2022-05-24
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// PURPOSE: unit tests for RS485
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// https://github.com/RobTillaart/RS485
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//
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// supported assertions
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// ----------------------------
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// assertEqual(expected, actual); // a == b
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// assertNotEqual(unwanted, actual); // a != b
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// assertComparativeEquivalent(expected, actual); // abs(a - b) == 0 or (!(a > b) && !(a < b))
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// assertComparativeNotEquivalent(unwanted, actual); // abs(a - b) > 0 or ((a > b) || (a < b))
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// assertLess(upperBound, actual); // a < b
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// assertMore(lowerBound, actual); // a > b
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// assertLessOrEqual(upperBound, actual); // a <= b
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// assertMoreOrEqual(lowerBound, actual); // a >= b
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// assertTrue(actual);
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// assertFalse(actual);
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// assertNull(actual);
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// // special cases for floats
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// assertEqualFloat(expected, actual, epsilon); // fabs(a - b) <= epsilon
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// assertNotEqualFloat(unwanted, actual, epsilon); // fabs(a - b) >= epsilon
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// assertInfinity(actual); // isinf(a)
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// assertNotInfinity(actual); // !isinf(a)
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// assertNAN(arg); // isnan(a)
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// assertNotNAN(arg); // !isnan(a)
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#include <ArduinoUnitTests.h>
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#include "Arduino.h"
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#include "RS485.h"
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unittest_setup()
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{
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fprintf(stderr, "RS485_LIB_VERSION: %s\n", (char *) RS485_LIB_VERSION);
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}
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unittest_teardown()
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{
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}
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unittest(test_constructor)
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{
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Serial.begin(115200);
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const uint8_t sendPin = 4;
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const uint8_t deviceID = 1;
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RS485 rs485(&Serial, sendPin, deviceID);
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assertEqual(1, rs485.getDeviceID());
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RS485 master(&Serial, sendPin);
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assertEqual(0, master.getDeviceID());
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}
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unittest(test_microsPerByte)
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{
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Serial.begin(115200);
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const uint8_t sendPin = 4;
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RS485 master(&Serial, sendPin);
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assertEqual(0, master.getDeviceID());
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// default value
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assertEqual(1000, master.getMicrosPerByte());
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master.setMicrosPerByte(115200);
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// count 11 bits / byte
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uint32_t us = (11 * 1000000UL) / 115200;
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assertEqual(us, master.getMicrosPerByte());
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}
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unittest(test_communication_mode)
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{
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Serial.begin(115200);
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const uint8_t sendPin = 4;
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RS485 master(&Serial, sendPin);
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// default value
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assertEqual(0, master.getMode());
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master.setTXmode();
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assertEqual(1, master.getMode());
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master.setRXmode();
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assertEqual(0, master.getMode());
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}
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unittest_main()
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// -- END OF FILE --
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