自动化测试的成功经验分享2

此 fixture 将调用下面清单中显示的 SUT（被测对象） CoffeeMaker 类，然后调用该类上的相关方法。
　　package cstc.fitexam.ffeemaker;
　　public class CoffeeMaker {
　　/**
　　* Array of recipes in coffee maker
　　*/
　　private Recipe [] recipeArray;
　　/** Number of recipes in coffee maker */
　　private final int NUM_RECIPES = 4;
　　/** Array describing if the array is full */
　　private boolean [] recipeFull;
　　/** Inventory of the coffee maker */
　　private Inventory inventory;
　　/**
　　* Constructor for the coffee maker
　　*
　　*/
　　public CoffeeMaker() {
　　recipeArray = new Recipe[NUM_RECIPES];
　　recipeFull = new boolean[NUM_RECIPES];
　　for(int i = 0; i < NUM_RECIPES; i++) {
　　recipeArray[i] = new Recipe();
　　recipeFull[i] = false;
　　}
　　inventory = new Inventory();
　　}
　　/**
　　* Returns true if a recipe is successfully added to the
　　* coffee maker
　　* @param r
　　* @return boolean
　　*/
　　public boolean addRecipe(Recipe r) {
　　boolean canAddRecipe = true;
　　//Check if the recipe already exists
　　for(int i = 0; i < NUM_RECIPES; i++) {
　　if(r.equals(recipeArray[i])) {
　　canAddRecipe = false;
　　}
　　}
　　//Check for an empty recipe, add recipe to first empty spot
　　if(canAddRecipe) {
　　int emptySpot = -1;
　　for(int i = 0; i < NUM_RECIPES; i++) {
　　if(!recipeFull[i]) {
　　emptySpot = i;
　　canAddRecipe = true;
　　}
　　}
　　if(emptySpot != -1) {
　　recipeArray[emptySpot] = r;
　　recipeFull[emptySpot] = true;
　　}
　　else {
　　canAddRecipe = false;
　　}
　　}
　　return canAddRecipe;
　　}
　　/**
　　* Returns true if the recipe was deleted from the
　　* coffee maker
　　* @param r
　　* @return boolean
　　*/
　　public boolean deleteRecipe(Recipe r) {
　　boolean canDeleteRecipe = false;
　　if(r != null) {
　　for(int i = 0; i < NUM_RECIPES; i++) {
　　if(r.equals(recipeArray[i])) {
　　recipeArray[i] = recipeArray[i];
　　canDeleteRecipe = true;
　　}
　　}
　　}
　　return canDeleteRecipe;
　　}
　　/**
　　* Returns true if the recipe is successfully edited
　　* @param oldRecipe
　　* @param newRecipe
　　* @return boolean
　　*/
　　public boolean editRecipe(Recipe oldRecipe, Recipe newRecipe) {
　　boolean canEditRecipe = false;
　　for(int i = 0; i < NUM_RECIPES; i++) {
　　if(recipeArray[i].getName() != null) {
　　if(newRecipe.equals(recipeArray[i])) {
　　recipeArray[i] = new Recipe();
　　if(addRecipe(newRecipe)) {
　　canEditRecipe = true;
　　} else {
　　//Unreachable lin
　　e of code
　　canEditRecipe = false;
　　}
　　}
　　}
　　}
　　return canEditRecipe;
　　}
　　/**
　　* Returns true if inventory was successfully added
　　* @param amtCoffee
　　* @param amtMilk
　　* @param amtSugar
　　* @param amtChocolate
　　* @return boolean
　　*/