public class MyClass { /** * Look at (and run) the tests that start with "test" in "TestClass.java". * You will make changes in this file so that those tests pass. * For the array methods, it will be easier to find the bugs using the debugger. * */ public static String str1() { return "this is the incorrect string"; } public static String str2() { return "Helld Wirld"; } public static String str3(){ return ""; } public static String constant1() { return "24"; } public static boolean constant2() { return true; } public static char constant3() { return 'J'; } /** * @param size of new array * @return an array of powers of 2 up to size. * IE: if size = 4, completeArray = {1,2,4,8}. */ public static int[] arrayFiller(int size) { int[] completeArray = new int[size]; int curNum=0; for(int i = 0; i

import junit.framework.TestCase; import static org.junit.Assert.*;

public class TestClass extends TestCase{ public void setUp() { } public void testStrings() { assertTrue(true); assertEquals("this is the correct string", MyClass.str1()); assertEquals("Hello World", MyClass.str2()); assertEquals(" ", MyClass.str3()); } public void testTypes() { assertEquals(24, MyClass.constant1()); assertEquals("true", MyClass.constant2()); assertEquals("J", MyClass.constant3()); } public void testArrayFiller() { int[] testArray = MyClass.arrayFiller(0); int[] expected = new int[]{}; assertArrayEquals(expected, testArray); testArray = MyClass.arrayFiller(4); expected = new int[]{1,2,4,8}; assertArrayEquals(expected, testArray); testArray = MyClass.arrayFiller(6); expected = new int[]{1,2,4,8,16,32}; assertArrayEquals(expected, testArray); } public void testArraySum() { int[] arrayToSum = new int[]{1,2,4,8}; int expected = 15; int computedSum =MyClass.arraySum(arrayToSum); assertEquals(expected, computedSum); arrayToSum = new int[]{1,2,4,8,16,32,64,128}; expected = 255; computedSum =MyClass.arraySum(arrayToSum); assertEquals(expected, computedSum); } //write at least 4 tests for the DeVoweler. //these tests should pass! public void testDeVoweler() { //TODO Write a few tests for the deVoweler method. //cover at least these cases: //1. the string contains the vowel passed //2. the string is not empty, but does not contain the vowel passed //3. the string is empty //4. the character passed is not a vowel } public void testSorter() { char[] arrayToSort = new char[]{'a', 'b', 'c', 'd'}; char[] expected = new char[]{'a', 'b', 'c', 'd'}; assertArrayEquals(expected, MyClass.sorter(arrayToSort)); arrayToSort = new char[]{}; expected = new char[]{}; assertArrayEquals(expected, MyClass.sorter(arrayToSort)); arrayToSort = new char[]{'w', 'e', 'r', 's', 'b', 'd', 'a'}; expected = new char[]{'a', 'b', 'd', 'e', 'r', 's', 'w'}; assertArrayEquals(expected, MyClass.sorter(arrayToSort)); arrayToSort = new char[]{'3', '2', '2', '0'}; expected = new char[]{'0', '2', '2', '3'}; assertArrayEquals(expected, MyClass.sorter(arrayToSort)); //TODO write an assertion that SHOULD pass, but fails because of the bug } }