mirror of
https://github.com/RobTillaart/Arduino.git
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114 lines
2.6 KiB
C++
114 lines
2.6 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: 2020-12-03
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// PURPOSE: unit tests for the PCF8574 I2C port expander
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// https://github.com/RobTillaart/PCF8574
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// https://github.com/Arduino-CI/arduino_ci/blob/master/REFERENCE.md
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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 "PCF8574.h"
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PCF8574 PCF(0x38);
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unittest_setup()
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{
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fprintf(stderr, "PCF8574_LIB_VERSION: %s\n", (char *) PCF8574_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_begin)
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{
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PCF8574 PCF(0x38);
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Wire.begin();
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PCF.begin();
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int readValue = PCF.read8();
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assertEqual(0, readValue);
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int I2Cerror = PCF8574_I2C_ERROR;
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assertEqual(I2Cerror, PCF.lastError());
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}
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unittest(test_read)
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{
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PCF8574 PCF(0x38);
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int readValue;
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Wire.begin();
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PCF.begin();
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for (int i = 0; i < 8; i++)
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{
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fprintf(stderr, "line %d\n", i);
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readValue = PCF.read(i);
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assertEqual(0, readValue);
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int I2Cerror = PCF8574_I2C_ERROR;
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assertEqual(I2Cerror, PCF.lastError());
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}
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fprintf(stderr, "test PCF8575_PIN_ERROR\n");
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readValue = PCF.read(8);
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assertEqual(0, readValue);
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int PINerror = PCF8574_PIN_ERROR;
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assertEqual(PINerror, PCF.lastError());
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}
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unittest(test_address)
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{
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PCF8574 PCF(0x38);
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Wire.begin();
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// incorrect in test environment.
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assertTrue(PCF.begin());
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assertTrue(PCF.isConnected());
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assertEqual(0x38, PCF.getAddress());
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assertTrue(PCF.setAddress(0x20));
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assertEqual(0x20, PCF.getAddress());
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}
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unittest_main()
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// -- END OF FILE --
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