mirror of
https://github.com/RobTillaart/Arduino.git
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94 lines
2.6 KiB
C++
94 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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// DATE: 2023-07-17
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// PURPOSE: unit tests for the PCA9551 I2C LED driver
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// https://github.com/RobTillaart/PCA9551
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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 "PCA9551.h"
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unittest_setup()
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{
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fprintf(stderr, "PCA9551_LIB_VERSION: %s\n", (char *) PCA9551_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, "\nregisters");
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assertEqual(PCA9551_INPUT , 0x00);
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assertEqual(PCA9551_PSC0 , 0x01);
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assertEqual(PCA9551_PWM0 , 0x02);
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assertEqual(PCA9551_PSC1 , 0x03);
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assertEqual(PCA9551_PWM1 , 0x04);
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assertEqual(PCA9551_LS0 , 0x05);
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fprintf(stderr, "\noutput modi");
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assertEqual(PCA9551_MODE_LOW , 0x00);
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assertEqual(PCA9551_MODE_HIGH , 0x01);
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assertEqual(PCA9551_MODE_PWM0 , 0x02);
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assertEqual(PCA9551_MODE_PWM1 , 0x03);
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fprintf(stderr, "\nerrorcodes");
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assertEqual(PCA9551_OK , 0x00);
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assertEqual(PCA9551_ERROR , 0xFF);
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assertEqual(PCA9551_ERR_WRITE , 0xFE);
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assertEqual(PCA9551_ERR_CHAN , 0xFD);
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assertEqual(PCA9551_ERR_MODE , 0xFC);
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assertEqual(PCA9551_ERR_REG , 0xFB);
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assertEqual(PCA9551_ERR_I2C , 0xFA);
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}
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unittest(test_constructor)
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{
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PCA9551 pca(0x62);
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Wire.begin();
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assertEqual(8, pca.outputCount());
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assertEqual(0x62, pca.getAddress());
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}
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// need mock up for more tests.
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// low prio.
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unittest_main()
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// -- END OF FILE --
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