mirror of
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128 lines
2.8 KiB
C++
128 lines
2.8 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: 2023-12-12
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// PURPOSE: unit tests for the PCA9549 I2C octal bus switch.
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// https://github.com/RobTillaart/PCA9549
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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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/*
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most unit tests will test for fail
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as there is no sensor connected
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and there is no mockup.
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It appears that Wire.write does not fail without sensor...
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*/
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#include <ArduinoUnitTests.h>
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#include "Arduino.h"
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#include "PCA9549.h"
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int expect; // TODO needed as there seems a problem with 8 bit comparisons (char?)
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uint32_t start, stop;
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unittest_setup()
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{
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fprintf(stderr, "PCA9549_LIB_VERSION: %s\n", (char *) PCA9549_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, PCA9549_OK);
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}
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unittest(test_constructor)
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{
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PCA9549 pca(0x70);
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Wire.begin();
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assertTrue(pca.begin());
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assertTrue(pca.isConnected());
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}
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unittest(test_enable)
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{
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PCA9549 pca(0x70);
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Wire.begin();
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bool b = pca.begin();
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assertEqual(b, true);
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uint8_t mask = 0x00;
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for (int chan = 0; chan < 8; chan++)
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{
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pca.enableChannel(chan);
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assertTrue(pca.isEnabled(chan));
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}
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assertEqual(0xFF, pca.getChannelMask());
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pca.setChannelMask(0x00);
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assertEqual(0x00, pca.getChannelMask());
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}
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unittest(test_select)
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{
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PCA9549 pca(0x70);
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Wire.begin();
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bool b = pca.begin();
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assertEqual(b, true);
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uint8_t mask = 0x00;
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for (int chan = 0; chan < 8; chan++)
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{
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pca.selectChannel(chan);
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assertTrue(pca.isEnabled(chan));
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}
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assertEqual(0x80, pca.getChannelMask());
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pca.setChannelMask(0x00);
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assertEqual(0x00, pca.getChannelMask());
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}
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unittest_main()
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// -- END OF FILE --
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