mirror of
https://github.com/RobTillaart/Arduino.git
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161 lines
3.9 KiB
C++
161 lines
3.9 KiB
C++
//
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// FILE: unit_test_001.cpp
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// AUTHOR: Rob Tillaart
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// DATE: 2021-01-08
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// PURPOSE: unit tests for the statHelpers
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// https://github.com/RobTillaart/statHelpers
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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 "statHelpers.h"
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unittest_setup()
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{
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fprintf(stderr, "\nSTATHELPERS_LIB_VERSION: %s\n", (char *) STATHELPERS_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_permutations)
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{
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fprintf(stderr, "\n\tpermutations(12, k)\n");
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for (int k = 0; k <= 12; k++)
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{
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fprintf(stderr, "%d\t%d\n", k, permutations(12, k));
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}
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fprintf(stderr, "\n\tpermutations64(20, k)\n");
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for (int k = 0; k <= 20; k++)
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{
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fprintf(stderr, "%d\t%ld\n", k, permutations64(20, k));
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}
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fprintf(stderr, "\n\tdpermutations(34, k)\n");
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for (int k = 0; k <= 34; k++)
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{
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fprintf(stderr, "%d\t%f\n", k, dpermutations(34, k));
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}
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fprintf(stderr, "\n120 permutations of abcde\n\n");
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char text[] = "abcde";
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int count = 0;
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do
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{
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fprintf(stderr, "%s\t", text);
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count++;
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if (count % 5 == 0) fprintf(stderr, "\n");
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}
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while (nextPermutation<char>(text, 5));
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fprintf(stderr, "\n\n");
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assertEqual(120, count);
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}
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unittest(test_factorial)
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{
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fprintf(stderr, "\n\tfactorial(n)\n");
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for (int n = 0; n <= 12; n++)
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{
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fprintf(stderr, "%d\t%d\n", n, factorial(n));
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}
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fprintf(stderr, "\n\tfactorial64(n)\n");
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for (int n = 0; n <= 21; n++)
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{
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fprintf(stderr, "%d\t%ld\n", n, factorial64(n));
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}
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fprintf(stderr, "\n\tdfactorial(n)\n");
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for (int n = 0; n <= 35; n++)
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{
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fprintf(stderr, "%d\tDFACTORIAL: %f\n", n, dfactorial(n));
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fprintf(stderr, " \t STIRLING: %f\n", stirling(n));
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fprintf(stderr, " \t RATIO: %f\n", dfactorial(n) / stirling(n));
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}
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assertEqual(1, 1); // keep unit test happy :)
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}
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unittest(test_combinations)
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{
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fprintf(stderr, "\n\tcombinations(30, k)\n");
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for (int k = 0; k <= 30; k++)
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{
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fprintf(stderr, "%d\t%d\n", k, combinations(30, k));
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}
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fprintf(stderr, "\n\tcombinations64(61, k)\n");
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for (int k = 0; k <= 31; k++)
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{
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fprintf(stderr, "%d\t%ld\n", k, combinations64(61, k));
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}
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fprintf(stderr, "\n\tdcombinations(125, k)\n");
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for (int k = 0; k <= 63; k ++)
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{
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fprintf(stderr, "%d\t%f\n", k, dcombinations(125, k));
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}
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fprintf(stderr, "\n\trcombinations(30, k)\n");
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for (int k = 0; k <= 30; k++)
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{
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fprintf(stderr, "%d\t%d\n", k, rcombinations(30, k));
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}
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fprintf(stderr, "\n\trcombinations64(61, k)\n");
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for (int k = 0; k <= 31; k++)
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{
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fprintf(stderr, "%d\t%ld\n", k, rcombinations64(61, k));
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}
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fprintf(stderr, "\n\tcombPascal(30, k)\n");
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for (int k = 0; k <= 15; k++)
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{
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fprintf(stderr, "%d\t%d\n", k, combPascal(30, k));
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}
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assertEqual(1, 1); // keep unit test happy :)
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}
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unittest_main()
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// -- END OF FILE --
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