//Java/JavaClasses/testAlgorithms.java
//Matthew Ellison
// Created: 03-02-19
//Modified: 03-02-19
//This program runs tests on all function in the Algorithms library
/*
Copyright (C) 2019  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 <https://www.gnu.org/licenses/>.
*/


import mattrixwv.Algorithms;
import mattrixwv.Stopwatch;

import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;


public class testAlgorithms{
	public static void main(String[] argv){
		//Create a timer so you can time the execution time of the tests
		Stopwatch timer = new Stopwatch();

		timer.start();
		//Test getPrimes
		testGetPrimes();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Test getNumPrimes
		timer.start();
		testGetNumPrimes();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Test getFactors
		timer.start();
		testGetFactors();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Test getDivisors
		timer.start();
		testGetDivisors();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Test getFib
		timer.start();
		testGetFib();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Test getAllFib
		timer.start();
		testGetAllFib();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Tets getSum
		timer.start();
		testGetSum();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Test getProd
		timer.start();
		testGetProd();
		timer.stop();
		System.out.println("It took " + timer.getStr() + " to run this test\n");

		//Print a closing message
		System.out.println("Tests completed");
	}
	//This function tests the getPrimes function
	private static void testGetPrimes(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		ArrayList<Integer> correctAnswer = new ArrayList<Integer>(Arrays.asList(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));
		Integer topNum = 100;
		ArrayList<Integer> answer = Algorithms.getPrimes(topNum);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getPrimes failed the first test");
			failed = true;
		}

		//Test 2
		ArrayList<BigInteger> bigCorrectAnswer = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(2), BigInteger.valueOf(3), BigInteger.valueOf(5), BigInteger.valueOf(7), BigInteger.valueOf(11), BigInteger.valueOf(13), BigInteger.valueOf(17), BigInteger.valueOf(19), BigInteger.valueOf(23), BigInteger.valueOf(29), BigInteger.valueOf(31), BigInteger.valueOf(37), BigInteger.valueOf(41), BigInteger.valueOf(43), BigInteger.valueOf(47), BigInteger.valueOf(53), BigInteger.valueOf(59), BigInteger.valueOf(61), BigInteger.valueOf(67), BigInteger.valueOf(71), BigInteger.valueOf(73), BigInteger.valueOf(79), BigInteger.valueOf(83), BigInteger.valueOf(89), BigInteger.valueOf(97)));
		BigInteger bigTopNum = BigInteger.valueOf(100);
		ArrayList<BigInteger> bigAnswer = Algorithms.getPrimes(bigTopNum);
		//Print an error message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getPrimes failed the second test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getPrimes passed all tests");
		}
	}
	//This function tests the getNumPrimes function
	private static void testGetNumPrimes(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		ArrayList<Integer> correctAnswer = new ArrayList<Integer>(Arrays.asList(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));
		Integer numPrimes = 25;
		ArrayList<Integer> answer = Algorithms.getNumPrimes(numPrimes);
		//Print an error message if the function return the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getNumPrimes failed at the first test");
			failed = true;
		}

		//Test 2
		ArrayList<BigInteger> bigCorrectAnswer = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(2), BigInteger.valueOf(3), BigInteger.valueOf(5), BigInteger.valueOf(7), BigInteger.valueOf(11), BigInteger.valueOf(13), BigInteger.valueOf(17), BigInteger.valueOf(19), BigInteger.valueOf(23), BigInteger.valueOf(29), BigInteger.valueOf(31), BigInteger.valueOf(37), BigInteger.valueOf(41), BigInteger.valueOf(43), BigInteger.valueOf(47), BigInteger.valueOf(53), BigInteger.valueOf(59), BigInteger.valueOf(61), BigInteger.valueOf(67), BigInteger.valueOf(71), BigInteger.valueOf(73), BigInteger.valueOf(79), BigInteger.valueOf(83), BigInteger.valueOf(89), BigInteger.valueOf(97)));
		BigInteger bigTopNum = BigInteger.valueOf(25);
		ArrayList<BigInteger> bigAnswer = Algorithms.getNumPrimes(bigTopNum);
		//Print an error message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getPrimes failed the second test");
			System.out.println("Correct Answer = " + bigCorrectAnswer.toString());
			System.out.println("Answer = " + bigAnswer.toString());
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getNumPrimes passed all tests");
		}
	}
	//This function tests the getFactors function
	private static void testGetFactors(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		ArrayList<Integer> correctAnswer = new ArrayList<Integer>(Arrays.asList(2, 2, 5, 5));
		Integer number = 100;
		ArrayList<Integer> answer = Algorithms.getFactors(number);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getFactors failed the first test");
			failed = true;
		}

		//Test 2
		correctAnswer = new ArrayList<Integer>(Arrays.asList(2, 7, 7));
		number = 98;
		answer = Algorithms.getFactors(number);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getFactors failed the second test");
			failed = true;
		}

		//Test 3
		ArrayList<BigInteger> bigCorrectAnswer = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(2), BigInteger.valueOf(7), BigInteger.valueOf(7)));
		BigInteger bigNumber = BigInteger.valueOf(98);
		ArrayList<BigInteger> bigAnswer = Algorithms.getFactors(bigNumber);
		//Print an error message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getFactors failed the third test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getFactors passed all tests");
		}
	}
	//This function tests the getDivisors function
	private static void testGetDivisors(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		ArrayList<Integer> correctAnswer = new ArrayList<Integer>(Arrays.asList(1, 2, 4, 5, 10, 20, 25, 50, 100));
		Integer topNum = 100;
		ArrayList<Integer> answer = Algorithms.getDivisors(topNum);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getDivisors failed the first test");
			failed = true;
		}

		//Test 2
		ArrayList<BigInteger> bigCorrectAnswer = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(1), BigInteger.valueOf(2), BigInteger.valueOf(4), BigInteger.valueOf(5), BigInteger.valueOf(10), BigInteger.valueOf(20), BigInteger.valueOf(25), BigInteger.valueOf(50), BigInteger.valueOf(100)));
		BigInteger bigTopNum = BigInteger.valueOf(100);
		ArrayList<BigInteger> bigAnswer = Algorithms.getDivisors(bigTopNum);
		//Print an error message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getDivisors failed the second test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getDivisors passed all tests");
		}
	}
	//This function tests the getFib function
	private static void testGetFib(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		Integer correctAnswer = 144;
		Integer number = 12;
		Integer answer = Algorithms.getFib(number);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getFib failed the first test");
			failed = true;
		}

		//Test 2
		correctAnswer = 6765;
		number = 20;
		answer = Algorithms.getFib(number);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getFib failed the seconds test");
			failed = true;
		}

		//Test 3
		BigInteger bigCorrectAnswer = new BigInteger("1070066266382758936764980584457396885083683896632151665013235203375314520604694040621889147582489792657804694888177591957484336466672569959512996030461262748092482186144069433051234774442750273781753087579391666192149259186759553966422837148943113074699503439547001985432609723067290192870526447243726117715821825548491120525013201478612965931381792235559657452039506137551467837543229119602129934048260706175397706847068202895486902666185435124521900369480641357447470911707619766945691070098024393439617474103736912503231365532164773697023167755051595173518460579954919410967778373229665796581646513903488154256310184224190259846088000110186255550245493937113651657039447629584714548523425950428582425306083544435428212611008992863795048006894330309773217834864543113205765659868456288616808718693835297350643986297640660000723562917905207051164077614812491885830945940566688339109350944456576357666151619317753792891661581327159616877487983821820492520348473874384736771934512787029218636250627816");
		BigInteger bigNumber = BigInteger.valueOf(4782);
		BigInteger bigAnswer = Algorithms.getFib(bigNumber);
		//Print an error message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getFib failed the third test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getFib passed all tests");
		}
	}
	//This function tests the getAllFib function
	private static void testGetAllFib(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		ArrayList<Integer> correctAnswer = new ArrayList<Integer>(Arrays.asList(1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89));
		Integer highestNumber = 100;
		ArrayList<Integer> answer = Algorithms.getAllFib(highestNumber);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getAllFib failed the first test");
			failed = true;
		}

		//Test 2
		correctAnswer = new ArrayList<Integer>(Arrays.asList(1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987));
		highestNumber = 1000;
		answer = Algorithms.getAllFib(highestNumber);
		//Print an error message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getAllFib failed the second test");
			failed = true;
		}

		//Test 3
		ArrayList<BigInteger> bigCorrectAnswer = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(1), BigInteger.valueOf(1), BigInteger.valueOf(2), BigInteger.valueOf(3), BigInteger.valueOf(5), BigInteger.valueOf(8), BigInteger.valueOf(13), BigInteger.valueOf(21), BigInteger.valueOf(34), BigInteger.valueOf(55), BigInteger.valueOf(89)));
		BigInteger bigHighestNumber = BigInteger.valueOf(100);
		ArrayList<BigInteger> bigAnswer = Algorithms.getAllFib(bigHighestNumber);
		//Print an error message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getAllFib failed the third test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getAllFib passed all tests");	
		}
	}
	//This function tests the getSum function
	private static void testGetSum(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		Integer correctAnswer = 0;
		ArrayList<Integer> numbers = new ArrayList<Integer>();
		Integer answer = Algorithms.getSum(numbers);
		//Print a message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getSum failed the first test");
			failed = true;
		}

		//Test 2
		correctAnswer = 118;
		numbers = new ArrayList<Integer>(Arrays.asList(2, 2, 3, 3, 4, 4, 100));
		answer = Algorithms.getSum(numbers);
		//Print a message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getSum failed the second test");
			failed = true;
		}

		//Test 3
		BigInteger bigCorrectAnswer = BigInteger.valueOf(118);
		ArrayList<BigInteger> bigNumbers = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(2), BigInteger.valueOf(2), BigInteger.valueOf(3), BigInteger.valueOf(3), BigInteger.valueOf(4), BigInteger.valueOf(4), BigInteger.valueOf(100)));
		BigInteger bigAnswer = Algorithms.getBigSum(bigNumbers);
		//Print a message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getSum failed the third test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getSum passed all tests");
		}
	}
	//This function tests the getProd function
	private static void testGetProd(){
		Boolean failed = false;	//Holds whether a test was failed

		//Test 1
		Integer correctAnswer = 0;
		ArrayList<Integer> numbers = new ArrayList<Integer>();
		Integer answer = Algorithms.getProd(numbers);
		//Print a message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getProd failed the first test");
			failed = true;
		}

		//Test 2
		correctAnswer = 57600;
		numbers = new ArrayList<Integer>(Arrays.asList(2, 2, 3, 3, 4, 4, 100));
		answer = Algorithms.getProd(numbers);
		//Print a message if the function returned the wrong answer
		if(!correctAnswer.equals(answer)){
			System.out.println("getProd failed the second test");
			failed = true;
		}

		//Test 3
		BigInteger bigCorrectAnswer = BigInteger.valueOf(57600);
		ArrayList<BigInteger> bigNumbers = new ArrayList<BigInteger>(Arrays.asList(BigInteger.valueOf(2), BigInteger.valueOf(2), BigInteger.valueOf(3), BigInteger.valueOf(3), BigInteger.valueOf(4), BigInteger.valueOf(4), BigInteger.valueOf(100)));
		BigInteger bigAnswer = Algorithms.getBigProd(bigNumbers);
		//Print a message if the function returned the wrong answer
		if(!bigCorrectAnswer.equals(bigAnswer)){
			System.out.println("getProd failed the third test");
			failed = true;
		}

		//Print a message if all of the tests passed
		if(!failed){
			System.out.println("getProd passed all tests");
		}
	}
}