mirror of
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134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
//
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// FILE: unit_test_001.cpp
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// AUTHOR: Rob Tillaart
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// DATE: 2020-12-03
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// PURPOSE: unit tests for the DAC8551
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// https://github.com/RobTillaart/
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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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// https://github.com/Arduino-CI/arduino_ci/blob/master/cpp/unittest/Assertion.h#L33-L42
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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 "DAC8551.h"
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unittest_setup()
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{
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fprintf(stderr, "DAC8551_LIB_VERSION: %s\n", (char *) DAC8551_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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assertEqual(0, DAC8551_POWERDOWN_NORMAL );
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assertEqual(1, DAC8551_POWERDOWN_1K );
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assertEqual(2, DAC8551_POWERDOWN_100K );
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assertEqual(3, DAC8551_POWERDOWN_HIGH_IMP);
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assertEqual(0, DAC8501_POWERDOWN_NORMAL );
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assertEqual(1, DAC8501_POWERDOWN_1K );
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assertEqual(2, DAC8501_POWERDOWN_100K );
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assertEqual(3, DAC8501_POWERDOWN_HIGH_IMP);
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assertEqual(0, DAC8531_POWERDOWN_NORMAL );
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assertEqual(1, DAC8531_POWERDOWN_1K );
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assertEqual(2, DAC8531_POWERDOWN_100K );
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assertEqual(3, DAC8531_POWERDOWN_HIGH_IMP);
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assertEqual(0, DAC8550_POWERDOWN_NORMAL );
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assertEqual(1, DAC8550_POWERDOWN_1K );
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assertEqual(2, DAC8550_POWERDOWN_100K );
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assertEqual(3, DAC8550_POWERDOWN_HIGH_IMP);
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}
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unittest(test_HW_constructor)
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{
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DAC8551 myDAC(10);
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myDAC.begin();
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for (uint16_t val = 0; val < 65500; val += 30)
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{
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myDAC.setValue(val);
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if (myDAC.getValue() != val)
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{
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fprintf(stderr, "%d -> %d\n", val, myDAC.getValue());
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}
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}
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myDAC.setValue(100);
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assertEqual(100, myDAC.getValue());
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}
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unittest(test_SW_constructor)
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{
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DAC8551 myDAC(4, 5, 6);
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myDAC.begin();
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for (uint16_t val = 0; val < 65500; val += 30)
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{
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myDAC.setValue(val);
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if (myDAC.getValue() != val)
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{
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fprintf(stderr, "%d -> %d\n", val, myDAC.getValue());
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}
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}
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myDAC.setValue(100);
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assertEqual(100, myDAC.getValue());
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}
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unittest(test_powerDown)
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{
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DAC8551 myDAC(4, 5, 6);
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myDAC.begin();
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myDAC.setPowerDown(DAC8551_POWERDOWN_NORMAL);
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assertEqual(DAC8551_POWERDOWN_NORMAL, myDAC.getPowerDownMode());
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myDAC.setPowerDown(DAC8551_POWERDOWN_1K);
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assertEqual(DAC8551_POWERDOWN_1K, myDAC.getPowerDownMode());
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myDAC.setPowerDown(DAC8551_POWERDOWN_100K);
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assertEqual(DAC8551_POWERDOWN_100K, myDAC.getPowerDownMode());
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myDAC.setPowerDown(DAC8551_POWERDOWN_HIGH_IMP);
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assertEqual(DAC8551_POWERDOWN_HIGH_IMP, myDAC.getPowerDownMode());
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}
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unittest_main()
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// --------
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