TDDBC Nagano 0.1

autovendor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace autovendor
{
    public class autovendor
    {
        //商品の初期化
        public autovendor()
        {
            this.init();
        }

        class drink //商品のインナークラス
        {
            int id;
            string drinkname;
            int stock;
            int price;

            public drink(int ID, string drinkname, int stock, int price){
                this.id = ID;
                this.drinkname = drinkname;
                this.stock = stock;
                this.price = price;
            }

            public int getid(){
                return this.id;
            }
            public int getstock()
            {
                return this.stock;
            }
            public void setstock(int stockvol)
            {
                this.stock = stockvol;
            }
            public int getprice()
            {
                return this.price;
            }
        }
        drink[] item = new drink[5];

        //商品の初期化
        public void init()
        {
            drink cola = new drink(1, "コーラ", 5, 120);
            item[0] = cola;
        }

        //入金金額
        int totalcash = 0;
        //売上金額
        int salesaccount = 0;

        //お金投入
       public int insertmoney(int num)
        {
            //1円単位は例外
            if ((num % 10) != 0)
            {
                throw new Exception();
            }

            //通貨単位以外の入力は例外
 
            int[] usejpy= new int[]{10, 50, 100, 500, 1000};

           if (Array.IndexOf(usejpy, num) < 0 )
           {
                throw new Exception();
            }

           //合計金額を返す
           this.totalcash += num;
           return totalcash;

        }

        //商品在庫を確認
       public int getstock(int id)
       {           
           return item[id-1].getstock();
       }

        //購入可能な商品ID配列を返す
       public int[] displaybuyable()
       {
           int[] result = new int[5];
           int j=0;
           for (int i = 0; i < this.item.Length; i++)
           {
               if ((this.item[i].getprice() <= this.totalcash) && (this.item[i].getstock() > 0)){
                   result[j]= this.item[i].getid();
                   j++;
               }
           }
           return result;
       }

        //指定ID商品を購入する
       public bool buy(int id)
       {
           if ((this.totalcash > item[id-1].getprice()) && (item[id-1].getstock() > 0)){
               this.totalcash = this.totalcash - item[id - 1].getprice();
               this.item[id - 1].setstock(item[id - 1].getstock() - 1);
               this.salesaccount += this.item[id - 1].getprice();
               return true;
           } else {
           return false;
               }
       }

        //総売上を返す
       public int getsalesaccount()
       {
           return this.salesaccount;
       }
        //自販機内のコイン枚数を返す
       public int stockedcoin(int num)
       {
           return 0;
       }
    }
}

autovendortest.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using NUnit.Framework;
using autovendor;

namespace autovendortest
{
    [TestFixture]
    public class autovendortest
    {
        [Test]
        public void _50円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(50, av.insertmoney(50));
        }

        [Test]
        public void _100円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
        }

        [Test]
        public void _1000円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(1000, av.insertmoney(1000));
        }

        [ExpectedException(typeof(Exception))]
        [Test]
        public void _600円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(600, av.insertmoney(600));
        }

        [ExpectedException(typeof(Exception))]
        [Test]
        public void _5円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(5, av.insertmoney(5));
        }

        [ExpectedException(typeof(Exception))]
        [Test]
        public void _10000円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(10000, av.insertmoney(10000));
        }

        [Test]
        public void _100円入れて次に50円投入()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(150, av.insertmoney(50));
        }

        [Test]
        public void _コーラ本数確認()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(5, av.getstock(1));
        }

        [Test]
        public void _100円入れたらコーラ買えない()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(false, av.buy(1));
        }

        [Test]
        public void _150円入れたらコーラ買える()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(150, av.insertmoney(50));
            Assert.AreEqual(true, av.buy(1));
        }
/*
        [Test]
        public void _購入可能商品を表示100円投入ない()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(null, av.displaybuyable());
        }

        [Test]
        public void _購入可能商品を表示150円投入ある()
        {
            int[] test= new int[0];
            test[0]=1;
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(150, av.insertmoney(50));
            Assert.AreEqual(test, av.displaybuyable());
        }
*/
        [Test]
        public void _コーラ商品1つ購入後在庫が1つ減る()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(200, av.insertmoney(100));
            Assert.AreEqual(5, av.getstock(1));
            Assert.AreEqual(true, av.buy(1));
            Assert.AreEqual(4, av.getstock(1));
        }

        [Test]
        public void _コーラ商品1つ購入後在庫が1つ減り売上金額が120円増加()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(100, av.insertmoney(100));
            Assert.AreEqual(200, av.insertmoney(100));
            Assert.AreEqual(5, av.getstock(1));
            Assert.AreEqual(true, av.buy(1));
            Assert.AreEqual(4, av.getstock(1));
            Assert.AreEqual(120, av.getsalesaccount());
        }
/*
        [Test]
        public void _自販機内の紙幣・硬貨の内訳を確認()
        {
            autovendor.autovendor av = new autovendor.autovendor();
            Assert.AreEqual(10, av.stockedcoin(10));
            Assert.AreEqual(10, av.stockedcoin(50));
            Assert.AreEqual(10, av.stockedcoin(100));
            Assert.AreEqual(10, av.stockedcoin(500));
            Assert.AreEqual(5, av.stockedcoin(1000));
        }
*/
    }
}