package com.example; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import java.util.Arrays; import java.util.Collection; @RunWith(Parameterized.class) public class OddNumberCheckerTest { private Integer inputNumber; private Boolean expectedResult; private OddNumberChecker oddNumberChecker; @Before public void initialize(){ oddNumberChecker = new OddNumberChecker(); } public OddNumberCheckerTest(Integer inputNumber, Boolean expectedResult) { this.inputNumber = inputNumber; this.expectedResult = expectedResult; } @Parameterized.Parameters public static Collection primeNumber(){ return Arrays.asList(new Object[][]{ {2, false}, {6, false}, {19, true}, {22,false}, {23,true}, {1, true} }); } @Test public void testPrimeNumberChecker(){ System.out.println("Parameterized Number is: " + inputNumber); Assert.assertEquals(expectedResult, oddNumberChecker.validate(inputNumber)); } }