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https://github.com/RobTillaart/Arduino.git
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132 lines
3.3 KiB
C++
132 lines
3.3 KiB
C++
//
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// FILE: unit_test_001.cpp
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// AUTHOR: Rob Tillaart
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// DATE: 2021-01-05
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// PURPOSE: unit tests for the I2C PCA9685 16 channel PWM
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// https://github.com/RobTillaart/PCA9685
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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 "Wire.h"
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#include "PCA9685.h"
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unittest_setup()
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{
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fprintf(stderr, "PCA9685_LIB_VERSION: %s\n", (char *) PCA9685_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_constants)
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{
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fprintf(stderr, "\n registers");
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assertEqual(PCA9685_MODE1 , 0x00);
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assertEqual(PCA9685_MODE2 , 0x01);
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assertEqual(PCA9685_ALLCALLADR , 0x05);
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assertEqual(PCA9685_CHANNEL_0 , 0x06);
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assertEqual(PCA9685_ALL_ON_L , 0xFA);
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assertEqual(PCA9685_ALL_ON_H , 0xFB);
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assertEqual(PCA9685_ALL_OFF_L , 0xFC);
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assertEqual(PCA9685_ALL_OFF_H , 0xFD);
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assertEqual(PCA9685_PRE_SCALER , 0xFE);
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assertEqual(PCA9685_TESTMODE , 0xFF);
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fprintf(stderr, "\n error codes");
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assertEqual(PCA9685_OK , 0x00);
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assertEqual(PCA9685_ERROR , 0xFF);
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assertEqual(PCA9685_ERR_CHANNEL, 0xFE);
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assertEqual(PCA9685_ERR_MODE , 0xFD);
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assertEqual(PCA9685_ERR_I2C , 0xFC);
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}
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unittest(test_constructor)
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{
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PCA9685 ledArray(0x20);
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Wire.begin();
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assertTrue(ledArray.begin());
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assertTrue(ledArray.isConnected());
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assertEqual(16, ledArray.channelCount());
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}
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unittest(test_TODO)
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{
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PCA9685 ledArray(0x20);
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Wire.begin();
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assertTrue(ledArray.begin());
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// TODO
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}
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unittest(test_OutputEnable)
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{
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PCA9685 ledArray(0x20);
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Wire.begin();
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assertTrue(ledArray.begin());
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assertEqual(HIGH, ledArray.getOutputEnable());
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assertTrue(ledArray.setOutputEnablePin(12));
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// assertEqual(HIGH, ledArray.getOutputEnable()); // need mock
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assertTrue(ledArray.setOutputEnable(true));
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// assertEqual(LOW, ledArray.getOutputEnable());
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assertTrue(ledArray.setOutputEnable(false));
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// assertEqual(HIGH, ledArray.getOutputEnable());
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assertTrue(ledArray.setOutputEnable(true));
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// assertEqual(LOW, ledArray.getOutputEnable());
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assertFalse(ledArray.setOutputEnablePin(255));
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// assertEqual(HIGH, ledArray.getOutputEnable());
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}
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unittest_main()
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// -- END OF FILE --
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