//JavaClasses/src/test/java/mattrixwv/TestStringAlgorithms.java //Matthew Ellison // Created: 07-03-21 //Modified: 06-25-22 //This class contains tests for my number algorithms /* Copyright (C) 2022 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 . */ package mattrixwv; import static org.junit.jupiter.api.Assertions.assertEquals; import java.util.Arrays; import java.util.List; import org.junit.jupiter.api.Test; public class TestStringAlgorithms{ @Test public void testGetPermutations(){ //Test 1 String permString = "012"; List correctAnswer = Arrays.asList("012", "021", "102", "120", "201", "210"); List answer = StringAlgorithms.getPermutations(permString); assertEquals(correctAnswer, answer, "getPermutations failed"); } @Test public void testFindNumOccurrence(){ //Test 1 String testString = "abcdefgdd"; char testChar = 'a'; long correctAnswer = 1; long answer = StringAlgorithms.findNumOccurrence(testString, testChar); assertEquals(correctAnswer, answer, "FindNumOccurrence 1 failed"); //Test 2 testChar = 'd'; correctAnswer = 3; answer = StringAlgorithms.findNumOccurrence(testString, testChar); assertEquals(correctAnswer, answer, "FindNumOccurrence 2 failed"); //Test 3 testChar = 'h'; correctAnswer = 0; answer = StringAlgorithms.findNumOccurrence(testString, testChar); assertEquals(correctAnswer, answer, "FindNumOccurrence 3 failed"); } @Test public void testIsPalindrome(){ //Test 1 String str = "101"; boolean correctAnswer = true; boolean answer = StringAlgorithms.isPalindrome(str); assertEquals(correctAnswer, answer, "isPalindrome 1 failed"); //Test 2 str = "100"; correctAnswer = false; answer = StringAlgorithms.isPalindrome(str); assertEquals(correctAnswer, answer, "isPalindrome 2 failed"); //Test 3 str = ""; correctAnswer = true; answer = StringAlgorithms.isPalindrome(str); assertEquals(correctAnswer, answer, "isPalindrome 3 failed"); } @Test public void testIsPandigital(){ //Test 1 String num = "123456789"; boolean correctAnswer = true; boolean answer = StringAlgorithms.isPandigital(num); assertEquals(correctAnswer, answer, "isPandigital 1 failed"); //Test 2 num = "123"; correctAnswer = true; answer = StringAlgorithms.isPandigital(num, '1', '3'); assertEquals(correctAnswer, answer, "isPandigital 2 failed"); //Test 3 num = "123"; correctAnswer = false; answer = StringAlgorithms.isPandigital(num); assertEquals(correctAnswer, answer, "isPandigital 3 failed"); //Test 4 num = "123"; correctAnswer = false; answer = StringAlgorithms.isPandigital(num, '3', '1'); assertEquals(correctAnswer, answer, "isPandigital 4 failed"); //Test 5 num = "1"; correctAnswer = true; answer = StringAlgorithms.isPandigital(num, '1', '1'); assertEquals(correctAnswer, answer, "isPandigital 5 failed"); //Test 6 num = "112"; correctAnswer = false; answer = StringAlgorithms.isPandigital(num, '1', '3'); assertEquals(correctAnswer, answer, "isPandigital 6 failed"); } }