projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Birthdate.java

@@ -0,0 +1,67 @@
+package de.hs_fulda.ciip.projjpn;
+
+public class Birthdate {
+	private int day;
+	private int month;
+	private int year;
+
+	public Birthdate(int d, int m, int y) {
+		day = d;
+		month = m;
+		year = y;
+	}
+	
+	public int getDay() {
+		return day;
+	}
+
+	public int getMonth() {
+		return month;
+	}
+
+	public int getYear() {
+		return year;
+	}
+
+	/**
+	 * @return Date Format DD.MM.YYYY
+	 */
+	public String toString() {
+		return day + "." + month + "." + year;
+	}
+	
+	/**
+	 * 
+	 * @param d Day
+	 * @param m Month
+	 * @param y Year
+	 */
+	public void changeBirthdate(int d, int m, int y) {
+		day = d;
+		month = m;
+		year = y;
+	}
+	
+	/**
+	 * 
+	 * @param DD
+	 * @param MM
+	 * @param YYYY
+	 * @return true if date is valid.
+	 * @return false if date is invalid.
+	 */
+	public boolean isValid(int DD, int MM, int YYYY) {
+		if (DD < 1 || DD > 31) {
+			return false;
+		}
+		if (MM < 1 || MM > 12) {
+			return false;
+		}
+		if (YYYY < 1990 || YYYY > 2022) {
+			return false;
+		}
+		
+		return true;
+	}
+
+}

projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Customers.java

@@ -0,0 +1,56 @@
+package de.hs_fulda.ciip.projjpn;
+
+import java.util.HashMap;
+
+public class Customers {
+	HashMap<String, User> pool = new HashMap<String, User>();
+	
+	/**
+	 * 
+	 * @param nickname Is the particular Nickname free to use?
+	 * @return true if nickname is Available.
+	 * @return false if nickname is Available.
+	 */
+	public boolean nickNameAvailable(String nickname) {
+		User u = pool.get(nickname);
+		if (null == u) {
+			return true;
+		}
+		return false;
+	}
+	
+	/**
+	 * 
+	 * @param user New User to register.
+	 * @return
+	 */
+	public User registerUser(User user) {
+		return pool.putIfAbsent(user.nickName, user);
+	}
+	
+	/**
+	 * 
+	 * @param userNickname Delete a particular User with the given nickname
+	 * @return null or the deleted user.
+	 */
+	public User deleteUser(String userNickname) {
+		return pool.remove(userNickname);
+	}
+	
+	/**
+	 * 
+	 * @param nickname Find User by nickname
+	 * @return
+	 */
+	public User getByNickname(String nickname) {
+		return pool.get(nickname);
+	}
+	
+	/**
+	 * 
+	 * @return Number of Users.
+	 */
+	public int getCountOfUsers() {
+		return pool.size();
+	}
+}

projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Item.java

@@ -0,0 +1,88 @@
+package de.hs_fulda.ciip.projjpn;
+
+public class Item {
+	
+	private String productTitle;
+	private String description;
+	private int availability = 0;
+	private float price;
+	
+	/**
+	 * Creation of blank Item.
+	 */
+	public Item() {
+	}
+	
+	/**
+	 * Creation of Item.
+	 * @param titel
+	 * @param description
+	 * @param quantity
+	 * @param price
+	 */
+	public Item(String titel, 
+			String description,
+			int quantity,
+			float price) {
+		this.productTitle = titel;
+		this.description = description;
+		this.availability = quantity;
+		this.price = price;
+	}
+	
+	/**
+	 * 
+	 * @return true if at least one item is in stock.
+	 */
+	public boolean inStock() {
+		return availability > 0;
+	}
+	
+	/**
+	 * 
+	 * @return current number of this items
+	 */
+	public float getCurrentStock() {
+		return availability;
+	}
+	
+	/**
+	 * 
+	 * @param newAmount of items
+	 */
+	public void updateAvailability(int newAmount) {
+		availability = newAmount;
+	}
+	
+	/**
+	 * 
+	 * @param newPrice of this item.
+	 */
+	public void updatePrice(float newPrice) {
+		this.price = newPrice;
+	}
+	
+	/**
+	 * 
+	 * @return Current Price of the Item.
+	 */
+	public float getCurrentPrice() {
+		return price;
+	}
+	
+	/**
+	 * 
+	 * @return Current public Title of this Item.
+	 */
+	public String getTitel() {
+		return this.productTitle;
+	}
+	
+	/**
+	 * 
+	 * @return Current public Description of this Item.
+	 */
+	public String getDescription() {
+		return this.description;
+	}
+}

projjpn/src/main/java/de/hs_fulda/ciip/projjpn/User.java

@@ -0,0 +1,41 @@
+package de.hs_fulda.ciip.projjpn;
+
+public class User {
+	String firstName;
+	String lastName;
+	String nickName;
+	String eMail;
+	Birthdate birthdate;
+	
+	public User(String firstName, 
+				String lastName, 
+				String nickName, 
+				String eMail, 
+				Birthdate birthdate) {
+		this.firstName = firstName;
+		this.lastName = lastName;
+		this.nickName = nickName;
+		this.eMail = eMail;
+		this.birthdate = birthdate;
+	}
+
+	public User(String nickName) {
+		this.nickName = nickName;
+	}
+	
+	public String getFirstName() {
+		return firstName;
+	}
+	public String getLastName() {
+		return lastName;
+	}
+	public String getNickName() {
+		return nickName;
+	}
+	public String getEMail() {
+		return eMail;
+	}
+	public Birthdate getBirthdate() {
+		return birthdate;
+	}
+}

projjpn/src/main/java/de/hs_fulda/ciip/projjpn/Warehouse.java

@@ -0,0 +1,28 @@
+package de.hs_fulda.ciip.projjpn;
+
+import java.util.HashMap;
+
+public class Warehouse {
+	protected HashMap<String, Item> pool = new HashMap<String, Item>();
+
+	/**
+	 * 
+	 * @param item Item to insert.
+	 * @return the inserted Item or null.
+	 */
+	public Item insertItem(Item item) {
+		return pool.putIfAbsent(item.getTitel(), item);
+	}
+
+	/**
+	 * 
+	 * @return The total amount of all Items.
+	 */
+	public int getCountOfStock() {
+		int sumItems = 0;
+        for (HashMap.Entry<String, Item> set : pool.entrySet()) {
+        	sumItems += set.getValue().getCurrentStock();
+        }
+		return sumItems;
+	}
+}

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/AppTest.java

@@ -35,4 +35,8 @@ public class AppTest
     {
         assertTrue( true );
     }
+    
+    public void testJenkins() {
+    	assertTrue( true );
+    }
 }

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/BirthdateTest.java

@@ -0,0 +1,63 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class BirthdateTest extends TestCase {
+
+	public void testToString() {
+		
+		// Given
+		Birthdate b = new Birthdate(1, 1, 2000);
+		
+		// When
+		String expectedDate = "1.1.2000";
+		
+		// Then
+		assertEquals(expectedDate, b.toString());
+	}	
+	
+	public void test_changeBirthdate() {
+		// Given
+		Birthdate b = new Birthdate(1, 1, 2000);
+		
+		// Change Birthdate
+		b.changeBirthdate(2, 3, 2001);
+		
+		// When
+		int expectedDay = 2;
+		int expectedMonth = 3;
+		int expectedYear = 2001;
+		
+		// Then
+		assertEquals(2, b.getDay());
+		assertEquals(3, b.getMonth());
+		assertEquals(2001, b.getYear());
+	}
+	
+	public void test_rejectInvalidBirthday() {
+		Birthdate birthdate = new Birthdate(0, 0, 0);
+		boolean expectedResult = false;
+		boolean gotResult = birthdate.isValid(0, 0, 0);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(32, 13, 1990);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(31, 0, 1980);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(31, 13, 1980);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(1, 1, 3000);
+		assertEquals(expectedResult, gotResult);
+		
+		gotResult = birthdate.isValid(1, 1, 1900);
+		assertEquals(expectedResult, gotResult);
+		
+		expectedResult = true;
+		gotResult = birthdate.isValid(1, 5, 2020);
+		assertEquals(expectedResult, gotResult);
+	}
+	
+}

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/CustomersTest.java

@@ -0,0 +1,177 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class CustomersTest extends TestCase {
+
+	public void test_nicknameIsFree() {
+		// Given
+		Customers customers = new Customers();
+		String availableNickname = "beastMaster64";
+		
+		// When
+		boolean nicknameIsAvailable = customers.nickNameAvailable(availableNickname);
+		
+		// Then
+		assertTrue(nicknameIsAvailable);
+	}
+	
+	/**
+	 * Register a user only when the given nickname is available.
+	 */
+	public void test_nicknameIsTaken() {
+		// Given
+		Customers customers = new Customers();
+		String availableNickname = "beastMaster64";
+		String takenNickname = "beastMaster64";
+		User userToRegister = new User(availableNickname);
+		
+		customers.registerUser(userToRegister);
+		
+		// When
+		boolean nicknameIsTaken = customers.nickNameAvailable(availableNickname);
+		
+		// Then
+		assertFalse(nicknameIsTaken);
+	}
+	
+	/**
+	 * Register a single user and check whether it worked.
+	 */
+	public void test_registerSingleUser() {
+		// Given
+		Customers customers = new Customers();
+		String expectedNickNameInput = "Mougli";
+		User expectedNewUser = new User(expectedNickNameInput);
+		
+		// Add a user
+		customers.registerUser(expectedNewUser);
+		
+		// Get the expected User
+		User expectedUser = customers.getByNickname(expectedNickNameInput);
+		//
+		assertNotNull(expectedNewUser);
+		String expectedNickNameGotBack = expectedUser.nickName;
+		
+		// When
+		boolean userRegistered = expectedNickNameGotBack.equals(expectedNickNameInput);
+				
+		// Then
+		assertTrue(userRegistered);
+	}
+	
+	/**
+	 * Register multiple Users and then search for them in the same order.
+	 */
+	public void test_registerMultipleUsers() {
+		// Given
+		Customers customers = new Customers();
+		String[] expectedNickNamesInput = {"Mougli", "Tarkan", "beastMaster64", "BlaBlaPew", "MuchDoge_321"};
+		User[] expectedNewUsers = new User[expectedNickNamesInput.length];
+		
+		for (int i = 0; i < expectedNickNamesInput.length; i++) {
+			// Create user
+			expectedNewUsers[i] = new User(expectedNickNamesInput[i]);
+			
+			// Add user
+			customers.registerUser(expectedNewUsers[i]);
+		}
+		
+		// Get the expected Users
+		User foundUser;
+		String expectedNickNameGotBack;
+		boolean userRegistered;
+		
+		for (int i = 0; i < expectedNickNamesInput.length; i++) {
+			// Get user
+			foundUser = customers.getByNickname(expectedNickNamesInput[i]);
+			assertNotNull(foundUser);
+			
+			// When
+			expectedNickNameGotBack = foundUser.nickName;
+			userRegistered = expectedNickNameGotBack.equals(expectedNickNamesInput[i]);
+			
+			// Then
+			assertTrue(userRegistered);
+		}
+	}
+
+	/**
+	 * Test if deletion of an allready registered customer works.
+	 */
+	public void test_removeRegisteredUser() {
+		// Given
+		Customers customers = new Customers();
+		String userToRemove = "beastMaster64";
+		User userToRegister = new User("beastMaster64");
+		customers.registerUser(userToRegister);
+		
+		// When
+		boolean userExists = customers.nickNameAvailable(userToRemove);
+		assertFalse(userExists);
+		
+		// Then
+		User removedUser = customers.deleteUser(userToRemove);
+		assertEquals(userToRemove, removedUser.nickName);
+		
+	}
+	
+	/**
+	 * Register a given number of users.
+	 */
+	public void test_registerAndCountUsers() {
+		// Given
+		Customers customers = new Customers();
+		int expectedRegisteredUsers = 20;
+		int actualRegisteredUsers = -1;
+		String nickname;
+		
+		// Prepare
+		for(int i = 0, j = 1; i < expectedRegisteredUsers; i++, j++) {
+			nickname = "beastMaster_" + j;
+			customers.registerUser(new User(nickname));
+		}
+		actualRegisteredUsers = customers.getCountOfUsers();
+		assertEquals(expectedRegisteredUsers, actualRegisteredUsers);
+	}
+	
+	/**
+	 * Check if the Registration of a User works as intended.
+	 */
+	public void test_createRegisterAndCheckUserData() {
+		// Given
+		Customers customers = new Customers();
+		
+		String firstName = "Mia";
+		String lastName = "Muster";
+		String nickName = "harley";
+		String eMail = "mia@muster.de";
+		Birthdate birthdate = new Birthdate(30, 12, 1997);
+		
+		User userToCheck = new User(firstName, lastName, nickName, eMail, birthdate);
+		
+		// Register User
+		customers.registerUser(userToCheck);
+		
+		User gotUser = customers.getByNickname(nickName);
+		
+		assertNotNull(gotUser);
+		
+		// When
+		boolean correctFirstName = "Mia".equals(gotUser.getFirstName());
+		boolean correctLastName = "Muster".equals(gotUser.getLastName());
+		boolean correctNickName = "harley".equals(gotUser.getNickName());
+		boolean correctEMail = "mia@muster.de".equals(gotUser.getEMail());
+		boolean correctBirthdate = birthdate.toString().equals(gotUser.birthdate.toString());
+		
+		// Then
+		assertTrue(correctFirstName);
+		assertTrue(correctLastName);
+		assertTrue(correctNickName);
+		assertTrue(correctEMail);
+		assertTrue(correctBirthdate);
+				
+	}
+
+	
+}

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/GamesTest.java

@@ -0,0 +1,442 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class GamesTest extends TestCase {
+	public void test_checkConnection() {
+		Games testObject = new Games();
+		boolean expected = true;
+		boolean actual = testObject.checkConnection();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkGames() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Ratchet & Clank, Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Rhythm Paradise, Super Smash Bros. Ultimate, Yakuza: Dead Souls, Jet Set Radio Future, Breakdown, AI: The Somnium Files, Persona 3 Portable, Tomodachi Life, Beautiful Katamari, Atelier Totori Plus, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkGames();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkConsoles() {
+		Games testObject = new Games();
+		String expected = "PlayStation 4, Multiplatform, Nintendo Switch, Nintendo DS, PlayStation 3, Xbox, PlayStation Portable, Nintendo 3DS, Xbox 360, PlayStation Vita";
+		String actual = testObject.checkConsoles();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllSamePublishers() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Astral Chain, Fire Emblem: Three Houses, Rhythm Paradise, Super Smash Bros. Ultimate, Yakuza: Dead Souls, Jet Set Radio Future, Tomodachi Life, Beautiful Katamari, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkAllSamePublishers();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllDifferentPublishers() {
+		Games testObject = new Games();
+		String expected = "Atelier Totori Plus";
+		String actual = testObject.checkAllDifferentPublishers();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllSamePublishersDeveloper() {
+		Games testObject = new Games();
+		String expected = "Beautiful Katamari";
+		String actual = testObject.checkAllDifferentPublishersDeveloper();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllSameReleaseDates() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate";
+		String actual = testObject.checkAllSameReleaseDates();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllDifferentReleaseDates() {
+		Games testObject = new Games();
+		String expected = "Rhythm Paradise, Yakuza: Dead Souls, Breakdown, Persona 3 Portable, Beautiful Katamari, Atelier Totori Plus";
+		String actual = testObject.checkAllDifferentReleaseDates();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkGameGenres() {
+		Games testObject = new Games();
+		String expected = "JRPG, Action-Adventure, Tactical role-playing, Strategy, Rhythm, Fighting, Survival Horror, Action, Adventure, RPG, Life Simulation, Puzzle, Platformer";
+		String actual = testObject.checkGameGenres();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkGameGenreActionAdventure() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Astral Chain, Breakdown";
+		String actual = testObject.checkGameGenreActionAdventure();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkGameGenreRPG() {
+		Games testObject = new Games();
+		String expected = "Persona 3 Portable, Atelier Totori Plus";
+		String actual = testObject.checkGameGenreRPG();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkConsolePlayStation() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Yakuza: Dead Souls, Persona 3 Portable, Atelier Totori Plus";
+		String actual = testObject.checkConsolePlayStation();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkConsoleNintendo() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Rhythm Paradise, Super Smash Bros. Ultimate, Tomodachi Life";
+		String actual = testObject.checkConsoleNintendo();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkConsoleXbox() {
+		Games testObject = new Games();
+		String expected = "Jet Set Radio Future, Breakdown, Beautiful Katamari";
+		String actual = testObject.checkConsoleXbox();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkConsoleMultiplatform() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, AI: The Somnium Files, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkConsoleMultiplatform();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkConsoleNintendoSwitch() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate";
+		String actual = testObject.checkConsoleNintendoSwitch();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkDeveloperAtlus() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Persona 3 Portable";
+		String actual = testObject.checkDeveloperAtlus();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkDevelopers() {
+		Games testObject = new Games();
+		String expected = "Atlus, Insomniac Games, Platinum Games, Intelligent Systems, Artdink, Nintendo SPD, Sora Ltd., Ryu Ga Gotoku Studio, Sega Sports R&D, Namco, Spike Chunsoft, Bandai Namco Games, Gust Co. Ltd., Vicarious Visions";
+		String actual = testObject.checkDevelopers();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPublisherNintendo() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Rhythm Paradise, Super Smash Bros. Ultimate, Tomodachi Life";
+		String actual = testObject.checkPublisherNintendo();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPublisherSega() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Yakuza: Dead Souls, Jet Set Radio Future";
+		String actual = testObject.checkPublisherSega();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPublishers() {
+		Games testObject = new Games();
+		String expected = "Sega, Atlus, Sony Computer Entertainment, Nintendo, Square Enix, Electronic Arts, Namco, Numskull Games, Spike Chunsoft, Ghostlight, Bandai Namco Games, Tecmo Koei Europe, Gust Co. Ltd., Tecmo Koei America, Activision";
+		String actual = testObject.checkPublishers();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPublishersEu() {
+		Games testObject = new Games();
+		String expected = "Sega, Sony Computer Entertainment, Nintendo, Electronic Arts, Numskull Games, Ghostlight, Bandai Namco Games, Tecmo Koei Europe, Activision";
+		String actual = testObject.checkPublishersEu();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPublishersJp() {
+		Games testObject = new Games();
+		String expected = "Atlus, Sony Computer Entertainment, Nintendo, Square Enix, Sega, Namco, Spike Chunsoft, Bandai Namco Games, Gust Co. Ltd., Activision";
+		String actual = testObject.checkPublishersJp();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPublishersNa() {
+		Games testObject = new Games();
+		String expected = "Atlus, Sony Computer Entertainment, Nintendo, Sega, Namco, Spike Chunsoft, Bandai Namco Games, Tecmo Koei America, Activision";
+		String actual = testObject.checkPublishersNa();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkReleaseDateUnknown() {
+		Games testObject = new Games();
+		String expected = "Breakdown, Atelier Totori Plus";
+		String actual = testObject.checkReleaseDateUnknown();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllSameReleaseYear() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate, Jet Set Radio Future, AI: The Somnium Files, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkAllSameReleaseYear();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllDifferentReleaseYear() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Rhythm Paradise, Yakuza: Dead Souls, Breakdown, Persona 3 Portable, Tomodachi Life, Beautiful Katamari, Atelier Totori Plus";
+		String actual = testObject.checkAllDifferentReleaseYear();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllSameReleaseMonth() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate, AI: The Somnium Files";
+		String actual = testObject.checkAllSameReleaseMonth();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAllDifferentReleaseMonth() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Ratchet & Clank, Rhythm Paradise, Yakuza: Dead Souls, Jet Set Radio Future, Breakdown, Persona 3 Portable, Tomodachi Life, Beautiful Katamari, Atelier Totori Plus, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkAllDifferentReleaseMonth();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkOnePlayer() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Ratchet & Clank, Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Rhythm Paradise, Super Smash Bros. Ultimate, Yakuza: Dead Souls, Jet Set Radio Future, Breakdown, AI: The Somnium Files, Persona 3 Portable, Tomodachi Life, Beautiful Katamari, Atelier Totori Plus, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkOnePlayer();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkTwoPlayer() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Super Smash Bros. Ultimate, Jet Set Radio Future";
+		String actual = testObject.checkTwoPlayer();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkFourPlayer() {
+		Games testObject = new Games();
+		String expected = "Super Smash Bros. Ultimate, Jet Set Radio Future";
+		String actual = testObject.checkFourPlayer();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkEightPlayer() {
+		Games testObject = new Games();
+		String expected = "Super Smash Bros. Ultimate";
+		String actual = testObject.checkEightPlayer();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkOnePlayerOnly() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Ratchet & Clank, Fire Emblem: Three Houses, Triangle Strategy, Rhythm Paradise, Yakuza: Dead Souls, Breakdown, AI: The Somnium Files, Persona 3 Portable, Tomodachi Life, Beautiful Katamari, Atelier Totori Plus, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkOnePlayerOnly();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkUskZero() {
+		Games testObject = new Games();
+		String expected = "Rhythm Paradise, Tomodachi Life, Beautiful Katamari";
+		String actual = testObject.checkUskZero();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkUskSix() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Atelier Totori Plus, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkUskSix();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkUskTwelve() {
+		Games testObject = new Games();
+		String expected = "Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate, Jet Set Radio Future, Persona 3 Portable";
+		String actual = testObject.checkUskTwelve();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkUskSixteen() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Astral Chain, Breakdown, AI: The Somnium Files";
+		String actual = testObject.checkUskSixteen();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkUskEighteen() {
+		Games testObject = new Games();
+		String expected = "Yakuza: Dead Souls";
+		String actual = testObject.checkUskEighteen();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPegiThree() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Rhythm Paradise, Tomodachi Life, Beautiful Katamari";
+		String actual = testObject.checkPegiThree();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPegiSeven() {
+		Games testObject = new Games();
+		String expected = "Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkPegiSeven();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPegiTwelve() {
+		Games testObject = new Games();
+		String expected = "Fire Emblem: Three Houses, Triangle Strategy, Super Smash Bros. Ultimate, Persona 3 Portable, Atelier Totori Plus";
+		String actual = testObject.checkPegiTwelve();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPegiSixteen() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Astral Chain";
+		String actual = testObject.checkPegiSixteen();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPegiEighteen() {
+		Games testObject = new Games();
+		String expected = "Yakuza: Dead Souls, Breakdown, AI: The Somnium Files";
+		String actual = testObject.checkPegiEighteen();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkPegiUnknown() {
+		Games testObject = new Games();
+		String expected = "Jet Set Radio Future";
+		String actual = testObject.checkPegiUnknown();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkEsrbE() {
+		Games testObject = new Games();
+		String expected = "Rhythm Paradise, Tomodachi Life, Beautiful Katamari";
+		String actual = testObject.checkEsrbE();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkEsrbEten() {
+		Games testObject = new Games();
+		String expected = "Super Smash Bros. Ultimate, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkEsrbEten();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkEsrbT() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Jet Set Radio Future, Atelier Totori Plus";
+		String actual = testObject.checkEsrbT();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkEsrbM() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Yakuza: Dead Souls, Breakdown, AI: The Somnium Files, Persona 3 Portable";
+		String actual = testObject.checkEsrbM();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkCeroA() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Rhythm Paradise, Super Smash Bros. Ultimate, Jet Set Radio Future, Tomodachi Life, Beautiful Katamari, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkCeroA();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkCeroB() {
+		Games testObject = new Games();
+		String expected = "Fire Emblem: Three Houses, Persona 3 Portable, Atelier Totori Plus";
+		String actual = testObject.checkCeroB();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkCeroC() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Astral Chain, Triangle Strategy, Breakdown";
+		String actual = testObject.checkCeroC();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkCeroD() {
+		Games testObject = new Games();
+		String expected = "Yakuza: Dead Souls";
+		String actual = testObject.checkCeroD();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkCeroZ() {
+		Games testObject = new Games();
+		String expected = "AI: The Somnium Files";
+		String actual = testObject.checkCeroZ();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAcbG() {
+		Games testObject = new Games();
+		String expected = "Rhythm Paradise, Beautiful Katamari";
+		String actual = testObject.checkAcbG();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAcbPg() {
+		Games testObject = new Games();
+		String expected = "Ratchet & Clank, Super Smash Bros. Ultimate, Tomodachi Life, Crash Bandicoot N. Sane Trilogy";
+		String actual = testObject.checkAcbPg();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAcbM() {
+		Games testObject = new Games();
+		String expected = "Astral Chain, Fire Emblem: Three Houses, Triangle Strategy, Jet Set Radio Future";
+		String actual = testObject.checkAcbM();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAcbMaFifteen() {
+		Games testObject = new Games();
+		String expected = "Persona 5 Royal, Yakuza: Dead Souls, Breakdown, AI: The Somnium Files, Persona 3 Portable";
+		String actual = testObject.checkAcbMaFifteen();
+		assertEquals(expected, actual);
+	}
+
+	public void test_checkAcbReighteen() {
+		Games testObject = new Games();
+		String expected = "Atelier Totori Plus";
+		String actual = testObject.checkAcbReighteen();
+		assertEquals(expected, actual);
+	}
+
+	public void test_printTable() {
+		Games testObject = new Games();
+		String expected = "Name, Console, Developer, Publisher EU, Publisher JP, Publisher NA, Genre, Release EU, Release JP, Release NA, Release AU, USK Rating, PEGI Rating, ESRB Rating, CERO Rating, ACB Rating, Players\n"
+				+ "\n"
+				+ "Persona 5 Royal, PlayStation 4, Atlus, Sega, Atlus, Atlus, JRPG, 31.03.2020, 31.10.2019, 31.03.2020, 31.03.2020, 16, 16, M, C, MA 15+, 1\n"
+				+ "Ratchet & Clank, Multiplatform, Insomniac Games, Sony Computer Entertainment, Sony Computer Entertainment, Sony Computer Entertainment, Action-Adventure, 08.11.2002, 03.12.2002, 04.11.2002, 08.11.2002, 6, 3, T, A, PG, 1\n"
+				+ "Astral Chain, Nintendo Switch, Platinum Games, Nintendo, Nintendo, Nintendo, Action-Adventure, 30.08.2019, 30.08.2019, 30.08.2019, 30.08.2019, 16, 16, T, C, M, 1-2\n"
+				+ "Fire Emblem: Three Houses, Nintendo Switch, Intelligent Systems, Nintendo, Nintendo, Nintendo, Tactical role-playing, 26.07.2019, 26.07.2019, 26.07.2019, 26.07.2019, 12, 12, T, B, M, 1\n"
+				+ "Triangle Strategy, Nintendo Switch, Artdink, Nintendo, Square Enix, Nintendo, Strategy, 04.03.2022, 04.03.2022, 04.03.2022, 04.03.2022, 12, 12, T, C, M, 1\n"
+				+ "Rhythm Paradise, Nintendo DS, Nintendo SPD, Nintendo, Nintendo, Nintendo, Rhythm, 01.05.2009, 31.07.2008, 05.04.2009, 04.06.2009, 0, 3, E, A, G, 1\n"
+				+ "Super Smash Bros. Ultimate, Nintendo Switch, Sora Ltd., Nintendo, Nintendo, Nintendo, Fighting, 07.12.2018, 07.12.2018, 07.12.2018, 07.12.2018, 12, 12, E10+, A, PG, 1-8\n"
+				+ "Yakuza: Dead Souls, PlayStation 3, Ryu Ga Gotoku Studio, Sega, Sega, Sega, Survival Horror, 16.03.2012, 09.06.2011, 13.03.2012, 15.03.2012, 18, 18, M, D, MA 15+, 1\n"
+				+ "Jet Set Radio Future, Xbox, Sega Sports R&D, Sega, Sega, Sega, Action, 14.03.2002, 22.02.2002, 25.02.2002, 14.03.2002, 12, Unknown, T, A, M, 1-4\n"
+				+ "Breakdown, Xbox, Namco, Electronic Arts, Namco, Namco, Action-Adventure, 18.06.2004, 29.01.2004, 16.03.2004, Unknown, 16, 18, M, C, MA 15+, 1\n"
+				+ "AI: The Somnium Files, Multiplatform, Spike Chunsoft, Numskull Games, Spike Chunsoft, Spike Chunsoft, Adventure, 20.09.2019, 19.09.2019, 17.09.2019, 20.09.2019, 16, 18, M, Z, MA 15+, 1\n"
+				+ "Persona 3 Portable, PlayStation Portable, Atlus, Ghostlight, Atlus, Atlus, RPG, 29.04.2011, 01.11.2009, 06.07.2010, 16.11.2011, 12, 12, M, B, MA 15+, 1\n"
+				+ "Tomodachi Life, Nintendo 3DS, Nintendo SPD, Nintendo, Nintendo, Nintendo, Life Simulation, 06.06.2014, 18.04.2013, 06.06.2014, 07.06.2014, 0, 3, E, A, PG, 1\n"
+				+ "Beautiful Katamari, Xbox 360, Bandai Namco Games, Bandai Namco Games, Bandai Namco Games, Bandai Namco Games, Puzzle, 29.02.2008, 16.10.2007, 18.10.2007, 07.03.2008, 0, 3, E, A, G, 1\n"
+				+ "Atelier Totori Plus, PlayStation Vita, Gust Co. Ltd., Tecmo Koei Europe, Gust Co. Ltd., Tecmo Koei America, RPG, 20.03.2013, 29.11.2012, 19.03.2013, Unknown, 6, 12, T, B, R 18+, 1\n"
+				+ "Crash Bandicoot N. Sane Trilogy, Multiplatform, Vicarious Visions, Activision, Activision, Activision, Platformer, 30.06.2017, 03.08.2017, 30.06.2017, 30.06.2017, 6, 7, E10+, A, PG, 1";
+		String actual = testObject.printTable();
+		assertEquals(expected, actual);
+	}
+}

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/ItemTest.java

@@ -0,0 +1,89 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class ItemTest extends TestCase {
+	/**
+	 * No Items are in Stock.
+	 * Check the inStock() Method.
+	 */
+	public void test_ItemNotInStock() {
+		// Given
+		Item item = new Item();
+		
+		// When
+		boolean notInStock = item.inStock();
+		
+		// Then
+		assertFalse(notInStock);
+	}
+	
+	/**
+	 * Stock is not Empty.
+	 * Check the inStock() Method.
+	 */
+	public void test_ItemInStock() {
+		// Given
+		Item item = new Item();
+		item.updateAvailability(1);
+		// When
+		boolean inStock = item.inStock();
+		
+		// Then
+		assertTrue(inStock);
+	}
+	
+	/**
+	 * One and the same type of an item costs the same.
+	 * check getCurrentPrice()
+	 */
+	public void test_priceOfMultipleIdenticalItems() {
+		// Given
+		Item item = new Item();
+		int quantity = 3;
+		float price = 5;
+		item.updateAvailability(quantity);
+		item.updatePrice(price);
+		
+		// When 
+		float expectedPrice = quantity * price;
+		
+		// Then
+		float actualPrice = 0;
+		for(int i = 0; i < quantity; i++) {
+			actualPrice += item.getCurrentPrice();
+		}
+		
+		assertEquals(expectedPrice, actualPrice);
+	}
+	
+	/**
+	 * Check if creating a complete item with all attributes works as intended.
+	 */
+	public void test_buildCompleteItem() {
+		// Given
+		String expectedTitel = "Logitec Maus";
+		String expectedDescription = "Gaming Maus fuer Fortgeschrittene.";
+		int expectedQuantity = 10;
+		float expectedPrice = 69.99f;
+		
+		// When
+		Item itemNotNull = new Item(expectedTitel, expectedDescription, expectedQuantity, expectedPrice);
+		
+		// Then
+		assertNotNull(itemNotNull);
+		
+		// When
+		boolean validDescription = itemNotNull.getDescription().equals(expectedDescription);
+		assertTrue(validDescription);
+		
+		boolean validTitle = itemNotNull.getTitel().equals(expectedTitel);
+		assertTrue(validTitle);
+		
+		boolean validQuantity = itemNotNull.getCurrentStock() == expectedQuantity;
+		assertTrue(validQuantity);
+		
+		boolean validPrice = itemNotNull.getCurrentPrice() == expectedPrice;
+		assertTrue(validPrice);
+	}
+}

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/UserTest.java

@@ -0,0 +1,23 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class UserTest extends TestCase {
+	/**
+	 * Create User with a valid Birthday and check whether it worked as intended.
+	 */
+	public void test_initAndGetBirthdayOfUser() {
+		// Given
+		Customers customers = new Customers();
+		String firstName = "Mia";
+		String lastName = "Muster";
+		String nickName = "harley";
+		String eMail = "mia@muster.de";
+		int DD = 30, MM = 12, YYYY = 1997;
+		String expectedBirthdate = new Birthdate(DD, MM, YYYY).toString();
+		
+		User userToCheck = new User(firstName, lastName, nickName, eMail, new Birthdate(DD, MM, YYYY));
+		String gotBirthdate = userToCheck.getBirthdate().toString();
+		boolean gotExpectedBirthdayBack = gotBirthdate.equals(expectedBirthdate);
+	}
+}

projjpn/src/test/java/de/hs_fulda/ciip/projjpn/WarehouseTest.java

@@ -0,0 +1,63 @@
+package de.hs_fulda.ciip.projjpn;
+
+import junit.framework.TestCase;
+
+public class WarehouseTest extends TestCase {
+	/**
+	 * Check if the insertion of an Item works properly.
+	 */
+	public void test_insertItemInWarehouse() {
+		// Given
+		Warehouse warehouse = new Warehouse();
+
+		String expectedTitel = "Logitec Maus";
+		String expectedDescription = "Gaming Maus fuer Fortgeschrittene.";
+		int expectedQuantity = 10;
+		float expectedPrice = 69.69f;
+
+		// When
+		Item expectedItem = new Item(expectedTitel, expectedDescription, expectedQuantity, expectedPrice);
+		assertNotNull(expectedItem);
+		warehouse.insertItem(expectedItem);
+
+		Item gotItem = warehouse.pool.get(expectedTitel);
+
+		// Then
+		assertEquals(expectedTitel, gotItem.getTitel());
+	}
+
+	/**
+	 * Test the total Sum of Items in the whole Warehouse.
+	 */
+	public void test_growingCountOfItemsInWarehouse() {
+		// Given
+		Warehouse warehouse = new Warehouse();
+		int unitsPerItemType = 3;
+		int expectedSize = 13;
+		for (int i = 0; i < expectedSize; i++) {
+			Item item = new Item("ItemDummy" + i, "DescriptionDummy" + i, unitsPerItemType, 12.0f);
+			warehouse.insertItem(item);
+		}
+		int expectedSum = expectedSize * unitsPerItemType;
+		int actualSumOfAllItems = warehouse.getCountOfStock();
+
+		// Then
+		assertEquals(expectedSum, actualSumOfAllItems);
+	}
+
+	/**
+	 * Empty Warehouse means there are a total of zero Items.
+	 */
+	public void test_emptyWarehouse() {
+		// Given
+		Warehouse warehouse = new Warehouse();
+
+		// When
+		int expectedSum = 0;
+
+		// Then
+		int actualSumOfAllItems = warehouse.getCountOfStock();
+		assertEquals(expectedSum, actualSumOfAllItems);
+
+	}
+}