//C#/CSClasses/TestCSClasses/TestAlgorithms.cs
//Matthew Ellison
// Created: 03-11-21
//Modified: 06-30-21
//This file contains the tests for the Algorithms class
/*
Copyright (C) 2021 Matthew Ellison
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see .
*/
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Collections.Generic;
using System.Numerics;
namespace TestCSClasses{
[TestClass]
public class TestAlgorithms{
[TestMethod]
public void TestGetAllFib(){
//Test 1
List correctAnswer = new List(){1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89};
int highestNumber = 100;
List answer = mee.Algorithms.GetAllFib(highestNumber);
CollectionAssert.AreEqual(correctAnswer, answer, "GetAllFib Integer 1 failed");
//Test 2
correctAnswer = new List(){1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987};
highestNumber = 1000;
answer = mee.Algorithms.GetAllFib(highestNumber);
CollectionAssert.AreEqual(correctAnswer, answer, "GetAllFib Integer 2 failed");
//Test 3
List longCorrectAnswer = new List(){1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987};
long longHighestNumber = 1000;
List longAnswer = mee.Algorithms.GetAllFib(longHighestNumber);
CollectionAssert.AreEqual(longCorrectAnswer, longAnswer, "GetAllFib Long failed");
//Test 4
List bigCorrectAnswer = new List(){1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987};
BigInteger bigHighestNumber = 1000;
List bigAnswer = mee.Algorithms.GetAllFib(bigHighestNumber);
CollectionAssert.AreEqual(bigCorrectAnswer, bigAnswer, "GetAllFib BigInteger failed");
}
[TestMethod]
public void TestGetFactors(){
//Test 1
List correctAnswer = new List(){2, 2, 5, 5};
int number = 100;
List answer = mee.Algorithms.GetFactors(number);
CollectionAssert.AreEqual(correctAnswer, answer, "GetFactors Integer 1 failed");
//Test 2
correctAnswer = new List(){2, 7, 7};
number = 98;
answer = mee.Algorithms.GetFactors(number);
CollectionAssert.AreEqual(correctAnswer, answer, "getFactors Integer 2 failed");
//Test 3
List longCorrectAnswer = new List(){2, 2, 5, 5};
long longNumber = 100;
List longAnswer = mee.Algorithms.GetFactors(longNumber);
CollectionAssert.AreEqual(longCorrectAnswer, longAnswer, "GetFactors Long failed");
//Test 4
List bigCorrectAnswer = new List(){2, 2, 5, 5};
BigInteger bigNumber = 100;
List bigAnswer = mee.Algorithms.GetFactors(bigNumber);
CollectionAssert.AreEqual(bigCorrectAnswer, bigAnswer, "GetFactors BigInteger failed");
}
[TestMethod]
public void TestGetPrimes(){
//Test 1
List correctAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
int topNum = 100;
List answer = mee.Algorithms.GetPrimes(topNum);
CollectionAssert.AreEqual(correctAnswer, answer, "GetPrimes Integer failed");
//Test 2
List longCorrectAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
long longTopNum = 100;
List longAnswer = mee.Algorithms.GetPrimes(longTopNum);
CollectionAssert.AreEqual(longCorrectAnswer, longAnswer, "GetPrimes Long failed");
//Test 3
List bigCorrectAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
BigInteger bigTopNum = 100;
List bigAnswer = mee.Algorithms.GetPrimes(bigTopNum);
CollectionAssert.AreEqual(bigCorrectAnswer, bigAnswer, "GetPrimes BigInteger failed");
}
[TestMethod]
public void TestGetNumPrimes(){
//Test 1
List correctAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
int numPrimes = 25;
List answer = mee.Algorithms.GetNumPrimes(numPrimes);
CollectionAssert.AreEqual(correctAnswer, answer, "GetNumPrimes Integer failed");
//Test 2
List longCorrectAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
long longNumPrimes = 25;
List longAnswer = mee.Algorithms.GetNumPrimes(longNumPrimes);
CollectionAssert.AreEqual(longCorrectAnswer, longAnswer, "GetNumPrimes Long failed");
//Test 3
List bigCorrectAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
BigInteger bigNumPrimes = 25;
List bigAnswer = mee.Algorithms.GetNumPrimes(bigNumPrimes);
CollectionAssert.AreEqual(bigCorrectAnswer, bigAnswer, "GetNumPrimes BigInteger failes");
}
[TestMethod]
public void TestIsPrime(){
//Test 1
int num = 2;
bool correctAnswer = true;
bool answer = mee.Algorithms.IsPrime(num);
Assert.AreEqual(correctAnswer, answer, "IsPrime 1 failed");
//Test 2
num = 97;
correctAnswer = true;
answer = mee.Algorithms.IsPrime(num);
Assert.AreEqual(correctAnswer, answer, "IsPrime 2 failed");
//Test 3
num = 1000;
correctAnswer = false;
answer = mee.Algorithms.IsPrime(num);
Assert.AreEqual(correctAnswer, answer, "IsPrime 3 failed");
//Test 4
long longNum = 2;
correctAnswer = true;
answer = mee.Algorithms.IsPrime(longNum);
Assert.AreEqual(correctAnswer, answer, "IsPrime long 1 failed");
//Test 5
longNum = 97;
correctAnswer = true;
answer = mee.Algorithms.IsPrime(longNum);
Assert.AreEqual(correctAnswer, answer, "IsPrime long 2 failed");
//Test 6
longNum = 1000;
correctAnswer = false;
answer = mee.Algorithms.IsPrime(longNum);
Assert.AreEqual(correctAnswer, answer, "IsPrime long 3 failed");
//Test 7
BigInteger bigNum = 2;
correctAnswer = true;
answer = mee.Algorithms.IsPrime(bigNum);
Assert.AreEqual(correctAnswer, answer, "IsPrime Big 1 failed");
//Test 8
bigNum = 97;
correctAnswer = true;
answer = mee.Algorithms.IsPrime(bigNum);
Assert.AreEqual(correctAnswer, answer, "IsPrime Big 2 failed");
//Test 9
bigNum = 1000;
correctAnswer = false;
answer = mee.Algorithms.IsPrime(bigNum);
Assert.AreEqual(correctAnswer, answer, "IsPrime Big 3 failed");
}
[TestMethod]
public void TestGetDivisors(){
//Test 1
List correctAnswer = new List(){1, 2, 4, 5, 10, 20, 25, 50, 100};
int topNum = 100;
List answer = mee.Algorithms.GetDivisors(topNum);
CollectionAssert.AreEqual(correctAnswer, answer, "GetDivisors Integer failed");
//Test 2
List longCorrectAnswer = new List(){1, 2, 4, 5, 10, 20, 25, 50, 100};
long longTopNum = 100;
List longAnswer = mee.Algorithms.GetDivisors(longTopNum);
CollectionAssert.AreEqual(longCorrectAnswer, longAnswer, "GetDivisors Long failed");
//Test 3
List bigCorrectAnswer = new List(){1, 2, 4, 5, 10, 20, 25, 50, 100};
BigInteger bigTopNum = 100;
List bigAnswer = mee.Algorithms.GetDivisors(bigTopNum);
CollectionAssert.AreEqual(bigCorrectAnswer, bigAnswer, "GetDivisors BigInteger failed");
}
[TestMethod]
public void TestGetSum(){
//Test 1
int correctAnswer = 0;
List numbers = new List();
int answer = mee.Algorithms.GetSum(numbers);
Assert.AreEqual(correctAnswer, answer, "GetSum Integer 1 failed");
//Test 2
correctAnswer = 118;
numbers = new List(){2, 2, 3, 3, 4, 4, 100};
answer = mee.Algorithms.GetSum(numbers);
Assert.AreEqual(correctAnswer, answer, "GetSum Integer 2 failed");
//Test 3
long longCorrectAnswer = 118;
List longNumbers = new List(){2, 2, 3, 3, 4, 4, 100};
long longAnswer = mee.Algorithms.GetSum(longNumbers);
Assert.AreEqual(longCorrectAnswer, longAnswer, "GetSum Long failed");
//Test 4
BigInteger bigCorrectAnswer = 118;
List bigNumbers = new List(){2, 2, 3, 3, 4, 4, 100};
BigInteger bigAnswer = mee.Algorithms.GetSum(bigNumbers);
Assert.AreEqual(bigCorrectAnswer, bigAnswer, "GetSum BigInteger failed");
}
[TestMethod]
public void TestGetProd(){
//Test 1
int correctAnswer = 0;
List numbers = new List();
int answer = mee.Algorithms.GetProd(numbers);
Assert.AreEqual(correctAnswer, answer, "GetProd Integer 1 failed");
//Test 2
correctAnswer = 57600;
numbers = new List(){2, 2, 3, 3, 4, 4, 100};
answer = mee.Algorithms.GetProd(numbers);
Assert.AreEqual(correctAnswer, answer, "GetProd Integer 2 failed");
//Test 3
long longCorrectAnswer = 57600;
List longNumbers = new List(){2, 2, 3, 3, 4, 4, 100};
long longAnswer = mee.Algorithms.GetProd(longNumbers);
Assert.AreEqual(longCorrectAnswer, longAnswer, "GetProd Long failed");
//Test 4
BigInteger bigCorrectAnswer = 57600;
List bigNumbers = new List(){2, 2, 3, 3, 4, 4, 100};
BigInteger bigAnswer = mee.Algorithms.GetProd(bigNumbers);
Assert.AreEqual(bigCorrectAnswer, bigAnswer, "GetProd BigInteger failed");
}
[TestMethod]
public void TestGetPermutations(){
//Test 1
string permString = "012";
List correctAnswer = new List(){"012", "021", "102", "120", "201", "210"};
List answer = mee.Algorithms.GetPermutations(permString);
CollectionAssert.AreEqual(correctAnswer, answer, "GetPermutations failed");
}
[TestMethod]
public void TestGetFib(){
//Test 1
int correctAnswer = 144;
int number = 12;
int answer = mee.Algorithms.GetFib(number);
Assert.AreEqual(correctAnswer, answer, "GetFib Integer 1 failed");
//Test 2
correctAnswer = 6765;
number = 20;
answer = mee.Algorithms.GetFib(number);
Assert.AreEqual(correctAnswer, answer, "GetFib Integer 2 failed");
//Test 3
long longCorrectAnswer = 6765;
long longNumber = 20;
long longAnswer = mee.Algorithms.GetFib(longNumber);
Assert.AreEqual(longCorrectAnswer, longAnswer, "GetFib Long failed");
//Test 4
BigInteger bigCorrectAnswer = BigInteger.Parse("1070066266382758936764980584457396885083683896632151665013235203375314520604694040621889147582489792657804694888177591957484336466672569959512996030461262748092482186144069433051234774442750273781753087579391666192149259186759553966422837148943113074699503439547001985432609723067290192870526447243726117715821825548491120525013201478612965931381792235559657452039506137551467837543229119602129934048260706175397706847068202895486902666185435124521900369480641357447470911707619766945691070098024393439617474103736912503231365532164773697023167755051595173518460579954919410967778373229665796581646513903488154256310184224190259846088000110186255550245493937113651657039447629584714548523425950428582425306083544435428212611008992863795048006894330309773217834864543113205765659868456288616808718693835297350643986297640660000723562917905207051164077614812491885830945940566688339109350944456576357666151619317753792891661581327159616877487983821820492520348473874384736771934512787029218636250627816");
BigInteger bigNumber = 4782;
BigInteger bigAnswer = mee.Algorithms.GetFib(bigNumber);
Assert.AreEqual(bigCorrectAnswer, bigAnswer, "getFib BigInteger failed");
}
[TestMethod]
public void TestGCD(){
//Test 1
int num1 = 2;
int num2 = 3;
int correctAnswer = 1;
int answer = mee.Algorithms.GCD(num1, num2);
Assert.AreEqual(correctAnswer, answer, "GCD Integer 1 failed");
//Test 2
num1 = 1000;
num2 = 575;
correctAnswer = 25;
answer = mee.Algorithms.GCD(num1, num2);
Assert.AreEqual(correctAnswer, answer, "GCD Integer 2 failed");
//Test 3
num1 = 1000;
num2 = 1000;
correctAnswer = 1000;
answer = mee.Algorithms.GCD(num1, num2);
Assert.AreEqual(correctAnswer, answer, "GCD Integer 3 failed");
//Test 4
long longNum1 = 2;
long longNum2 = 3;
long longCorrectAnswer = 1;
long longAnswer = mee.Algorithms.GCD(longNum1, longNum2);
Assert.AreEqual(longCorrectAnswer, longAnswer, "GCD Long 1 failed");
//Test 5
longNum1 = 1000;
longNum2 = 575;
longCorrectAnswer = 25;
longAnswer = mee.Algorithms.GCD(longNum1, longNum2);
Assert.AreEqual(longCorrectAnswer, longAnswer, "GCD Long 2 failed");
//Test 6
longNum1 = 1000;
longNum2 = 1000;
longCorrectAnswer = 1000;
longAnswer = mee.Algorithms.GCD(longNum1, longNum2);
Assert.AreEqual(longCorrectAnswer, longAnswer, "GCD Long 3 failed");
//Test 7
BigInteger bigNum1 = 2;
BigInteger bigNum2 = 3;
BigInteger bigCorrectAnswer = 1;
BigInteger bigAnswer = mee.Algorithms.GCD(bigNum1, bigNum2);
Assert.AreEqual(bigCorrectAnswer, bigAnswer, "GCD BigInteger 1 failed");
//Test 8
bigNum1 = 1000;
bigNum2 = 575;
bigCorrectAnswer = 25;
bigAnswer = mee.Algorithms.GCD(bigNum1, bigNum2);
Assert.AreEqual(bigCorrectAnswer, bigAnswer, "GCD BigInteger 2 failed");
//Test 9
bigNum1 = 1000;
bigNum2 = 1000;
bigCorrectAnswer = 1000;
bigAnswer = mee.Algorithms.GCD(bigNum1, bigNum2);
Assert.AreEqual(bigCorrectAnswer, bigAnswer, "GCD BigInteger 3 failed");
}
[TestMethod]
public void TestFindNumOccurrence(){
//Test 1
string testString = "abcdefgdd";
char testChar = 'a';
long correctAnswer = 1;
long answer = mee.Algorithms.FindNumOccurrence(testString, testChar);
Assert.AreEqual(correctAnswer, answer, "FindNumOccurrence 1 failed");
//Test 2
testChar = 'd';
correctAnswer = 3;
answer = mee.Algorithms.FindNumOccurrence(testString, testChar);
Assert.AreEqual(correctAnswer, answer, "FindNumOccurrence 2 failed");
//Test 3
testChar = 'h';
correctAnswer = 0;
answer = mee.Algorithms.FindNumOccurrence(testString, testChar);
Assert.AreEqual(correctAnswer, answer, "FindNumOccurrence 3 failed");
}
[TestMethod]
public void TestFactorial(){
//Test 1
int num = 1;
int correctAnswer = 1;
int answer = mee.Algorithms.Factorial(num);
Assert.AreEqual(correctAnswer, answer, "Factorial 1 failed");
//Test 2
num = 10;
correctAnswer = 3628800;
answer = mee.Algorithms.Factorial(num);
Assert.AreEqual(correctAnswer, answer, "Factorial 2 failed");
//Test 3
num = -5;
correctAnswer = 1;
answer = mee.Algorithms.Factorial(num);
Assert.AreEqual(correctAnswer, answer, "Factorial 3 failed");
//Test 4
long numLong = 10;
long correctAnswerLong = 3628800;
long answerLong = mee.Algorithms.Factorial(numLong);
Assert.AreEqual(correctAnswerLong, answerLong, "Factorial 4 failed");
//Test 5
BigInteger numBig = 10;
BigInteger correctAnswerBig = 3628800;
BigInteger answerBig = mee.Algorithms.Factorial(numBig);
Assert.AreEqual(correctAnswerBig, answerBig, "Factorial 5 failed");
}
[TestMethod]
public void TestIsPalindrome(){
//Test 1
string str = "101";
bool correctAnswer = true;
bool answer = mee.Algorithms.IsPalindrome(str);
Assert.AreEqual(correctAnswer, answer, "IsPalindrome 1 failed");
//Test 2
str = "100";
correctAnswer = false;
answer = mee.Algorithms.IsPalindrome(str);
Assert.AreEqual(correctAnswer, answer, "IsPalindrome 2 failed");
//Test 3
str = "";
correctAnswer = true;
answer = mee.Algorithms.IsPalindrome(str);
Assert.AreEqual(correctAnswer, answer, "IsPalindrome 3 failed");
}
[TestMethod]
public void TestToBin(){
//Test 1
int num = 7;
string correctAnswer = "111";
string answer = mee.Algorithms.ToBin(num);
Assert.AreEqual(correctAnswer, answer, "ToBin 1 failed");
//Test 2
num = 0;
correctAnswer = "0";
answer = mee.Algorithms.ToBin(num);
Assert.AreEqual(correctAnswer, answer, "ToBin 2 failed");
//Test 3
num = 1000000;
correctAnswer = "11110100001001000000";
answer = mee.Algorithms.ToBin(num);
Assert.AreEqual(correctAnswer, answer, "ToBin 3 failed");
//Test 4
long longNum = 7;
correctAnswer = "111";
answer = mee.Algorithms.ToBin(longNum);
Assert.AreEqual(correctAnswer, answer, "ToBing long 1 failed");
//Test 5
longNum = 0;
correctAnswer = "0";
answer = mee.Algorithms.ToBin(longNum);
Assert.AreEqual(correctAnswer, answer, "ToBin long 2 failed");
//Test 6
longNum = 1000000;
correctAnswer = "11110100001001000000";
answer = mee.Algorithms.ToBin(longNum);
Assert.AreEqual(correctAnswer, answer, "ToBing long 3 failed");
//Test 7
BigInteger bigNum = 7;
correctAnswer = "111";
answer = mee.Algorithms.ToBin(bigNum);
Assert.AreEqual(correctAnswer, answer, "ToBin big 1 failed");
//Test 8
bigNum = 0;
correctAnswer = "0";
answer = mee.Algorithms.ToBin(bigNum);
Assert.AreEqual(correctAnswer, answer, "ToBin big 2 failed");
//Test 9
bigNum = 1000000;
correctAnswer = "11110100001001000000";
answer = mee.Algorithms.ToBin(bigNum);
Assert.AreEqual(correctAnswer, answer, "ToBin big 3 failed");
}
[TestMethod]
public void TestSieveOfEratosthenes(){
//Test 1
IEnumerator sieve = mee.Algorithms.SieveOfEratosthenes().GetEnumerator();
List correctAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
List answer = new List();
for(int cnt = 0;cnt < 25;++cnt){
sieve.MoveNext();
answer.Add(sieve.Current);
}
CollectionAssert.AreEqual(correctAnswer, answer, "SieveOfEratosthenes failed");
//Test 2
IEnumerator bigSieve = mee.Algorithms.SieveOfEratosthenesBig().GetEnumerator();
List bigCorrectAnswer = new List(){2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97};
List bigAnswer = new List();
for(int cnt = 0;cnt < 25;++cnt){
bigSieve.MoveNext();
bigAnswer.Add(bigSieve.Current);
}
CollectionAssert.AreEqual(bigCorrectAnswer, bigAnswer, "SieveOfEratosthenesBig failed");
}
[TestMethod]
public void TestPrintList(){
//Test 1
List nums = new List();
string correctAnswer = "[]";
string answer = mee.Algorithms.PrintList(nums);
Assert.AreEqual(correctAnswer, answer, "PrintList 1 failed");
//Test 2
nums = new List(){1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
correctAnswer = "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]";
answer = mee.Algorithms.PrintList(nums);
Assert.AreEqual(correctAnswer, answer, "PrintList 2 failed");
//Test 3
nums = new List(){-3, -2, -1, 0, 1, 2, 3};
correctAnswer = "[-3, -2, -1, 0, 1, 2, 3]";
answer = mee.Algorithms.PrintList(nums);
Assert.AreEqual(correctAnswer, answer, "PrintList 3 failed");
//Test 4
List strings = new List(){"A", "B", "C"};
correctAnswer = "[A, B, C]";
answer = mee.Algorithms.PrintList(strings);
Assert.AreEqual(correctAnswer, answer, "PrintList 1 failed");
//Test 5
strings = new List(){"abc", "def", "ghi"};
correctAnswer = "[abc, def, ghi]";
answer = mee.Algorithms.PrintList(strings);
Assert.AreEqual(correctAnswer, answer, "PrintList 2 failed");
}
[TestMethod]
public void TestPrintArray(){
//Test 1
int[] nums = new int[]{};
string correctAnswer = "[]";
string answer = mee.Algorithms.PrintArray(nums);
Assert.AreEqual(correctAnswer, answer, "PrintArray 1 failed");
//Test 2
nums = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
correctAnswer = "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]";
answer = mee.Algorithms.PrintArray(nums);
Assert.AreEqual(correctAnswer, answer, "PrintArray 2 failed");
//Test 3
nums = new int[]{-3, -2, -1, 0, 1, 2, 3};
correctAnswer = "[-3, -2, -1, 0, 1, 2, 3]";
answer = mee.Algorithms.PrintArray(nums);
Assert.AreEqual(correctAnswer, answer, "PrintArray 3 failed");
//Test 4
string[] strings = new string[]{"A", "B", "C"};
correctAnswer = "[A, B, C]";
answer = mee.Algorithms.PrintArray(strings);
Assert.AreEqual(correctAnswer, answer, "PrintArray 1 failed");
//Test 5
strings = new string[]{"abc", "def", "ghi"};
correctAnswer = "[abc, def, ghi]";
answer = mee.Algorithms.PrintArray(strings);
Assert.AreEqual(correctAnswer, answer, "PrintArray 2 failed");
}
}
}