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Checkbook/.idea/compiler.xml

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Checkbook/.idea/encodings.xml

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Checkbook/.idea/misc.xml

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Checkbook/.idea/modules.xml

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Checkbook/.idea/vcs.xml

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+  </component>
+  <component name="masterDetails">
+    <states>
+      <state key="ArtifactsStructureConfigurable.UI">
+        <settings>
+          <artifact-editor />
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="FacetStructureConfigurable.UI">
+        <settings>
+          <last-edited>No facets are configured</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="GlobalLibrariesConfigurable.UI">
+        <settings>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="JdkListConfigurable.UI">
+        <settings>
+          <last-edited>1.8</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ModuleStructureConfigurable.UI">
+        <settings>
+          <last-edited>Checkbook</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+                <option value="0.6" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+      <state key="ProjectLibrariesConfigurable.UI">
+        <settings>
+          <last-edited>Maven: junit:junit:4.0</last-edited>
+          <splitter-proportions>
+            <option name="proportions">
+              <list>
+                <option value="0.2" />
+              </list>
+            </option>
+          </splitter-proportions>
+        </settings>
+      </state>
+    </states>
+  </component>
+</project>

Checkbook/Checkbook.iml

     <output-test url="file://$MODULE_DIR$/target/test-classes" />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
       <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
       <excludeFolder url="file://$MODULE_DIR$/target" />
     </content>
-    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="library" name="Maven: junit:junit:4.0" level="project" />
   </component>

Checkbook/src/main/java/AccountBook.java

 import java.time.LocalDate;
 
 public interface AccountBook {
-    public Integer getId();
-    public LocalDate getDate();
-    public TransactionType getType();
-    public String getMemo() ;
-    public void setMemo(String memo);
-    public Payee getPayee();
-    public void setPayee(Payee payee);
-    public Double getAmount();
+     Integer getId();
+     LocalDate getDate();
+     TransactionType getType();
+     String getMemo() ;
+     void setMemo(String memo);
+     Payee getPayee();
+     void setPayee(Payee payee);
+     Double getAmount();
 }

Checkbook/src/main/java/Checkbook.java

+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+
 public class Checkbook {
+    private double cash;
+    Payee payee;
+    List<Transaction> chBook;
+
+    public Checkbook(double cashAmount){
+        cash = cashAmount;
+        chBook = new ArrayList<>();
+    }
+    public Checkbook(Payee payee, double cashAmount){
+        this(cashAmount);
+        this.payee = payee;
+    }
+
+    public int size(){ return chBook.size(); }
+
+    public boolean isEmpty(){ return (size() == 0); }
+
+    public boolean contains(Transaction transaction){
+        return chBook.contains(transaction);
+    }
+
+    public boolean containsAll(Collection<Transaction> c){
+        return chBook.containsAll(c);
+    }
+
+    public boolean add(Transaction transaction){
+        cash += transaction.getAmount();
+        return chBook.add(transaction);
+    }
+
+    public void add(Transaction... transaction){
+        for(Transaction t : transaction)
+            add(t);
+    }
+
+    public boolean addAll(Collection<Transaction> c){
+        return chBook.addAll(c);
+    }
+
+    public boolean remove(Transaction transaction){
+        cash -= transaction.getAmount();
+        return chBook.remove(transaction);
+    }
+
+    public boolean removeAll(Collection<Transaction> c){
+        return chBook.removeAll(c);
+    }
+
+    public Iterator<Transaction> iterator(){
+        return chBook.iterator();
+    }
+
+    public Transaction[] toArray(){
+        return toArray(chBook);
+    }
+
+    public Transaction[] toArray(List<Transaction> transactions){
+        return transactions.stream().toArray(Transaction[]::new);
+    }
+
+    public double checkbookValue(){
+        return cash;
+    }
+
+    public Transaction[] getTransactionsForDate(LocalDate date){
+        return chBook.stream()
+                .filter(t -> t.getDate().equals(date))
+                .toArray(Transaction[]::new);
+    }
+
+    public Transaction[] getAllTransactionsForPayee(Payee payee){
+        return chBook.stream()
+                .filter(t -> t.getPayee().equals(payee))
+                .toArray(Transaction[]::new);
+    }
+
+    public Transaction[] getAllDebitTransactions(){
+        return chBook.stream()
+                .filter(t -> t.getType().equals(TransactionType.DEBIT))
+                .toArray(Transaction[]::new);
+    }
 
-    //blind us with your Java eloquence....
+    public Transaction[] getAllCreditTransactions(){
+        return chBook.stream()
+                .filter(t -> t.getType().equals(TransactionType.CREDIT))
+                .toArray(Transaction[]::new);
+    }
 
+    public void clear(){ chBook.clear(); }
 }

Checkbook/src/main/java/GenericAccount.java

+import java.lang.reflect.Array;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Iterator;
+import java.util.List;
+import java.util.stream.Collectors;
 
-public class GenericAccount {
+public class GenericAccount<T extends AccountBook>{
+    private double cash;
+    private Payee accountHolder;
+    private List<T> accountBook;
+    private Class<T> accountType;
+
+    public GenericAccount(Class<T> type) {
+        accountType = type;
+        accountBook = new ArrayList<>();
+        cash = 0.0;
+        accountHolder = new Payee();
+    }
+
+    public GenericAccount(Class<T> type, Payee payee) {
+        this(type);
+        accountHolder = payee;
+    }
+
+    public GenericAccount(Class<T> type, Payee payee, double cashAmt) {
+        this(type,payee);
+        cash = cashAmt;
+    }
+
+    public Payee getAccountHolder(){ return accountHolder; }
+
+    public double accountValue(){ return cash; }
+
+    public int size(){ return accountBook.size(); }
+
+    public boolean isEmpty(){ return (size() == 0); }
+
+    public boolean contains(T tVal){
+        return accountBook.contains(tVal);
+    }
+
+    public boolean containsAll(Collection<T> c){
+        return accountBook.containsAll(c);
+    }
+
+    public boolean add(T tVal){
+        cash += tVal.getAmount();
+        return accountBook.add(tVal);
+    }
+
+    public void add(T... tVal){
+        for(T item : tVal)
+            add(item);
+    }
+
+    public boolean addAll(Collection<T> c){
+        return accountBook.addAll(c);
+    }
+
+    public boolean remove(T tVal){
+        cash -= tVal.getAmount();
+        return accountBook.remove(tVal);
+    }
+
+    public boolean removeAll(Collection<T> c){
+        return accountBook.removeAll(c);
+    }
+
+    public Iterator<T> iterator(){
+        return accountBook.iterator();
+    }
+
+    public T[] toArray() {
+        return toArray(accountBook,accountType);
+    }
+
+    public T[] toArray(List<T> tList, Class<T> c) {
+        T[] array = (T[]) Array.newInstance(c, tList.size());
+        int index = 0;
+        for(T t: tList)
+            array[index++] = t;
+        return array;
+    }
+
+    public T[] getTransactionsForDate(LocalDate date){
+       List<T> list = accountBook.stream()
+                .filter(t -> t.getDate().equals(date))
+                .collect(Collectors.toList());
+       return toArray(list,accountType);
+    }
+
+    public T[] getAllTransactionsForPayee(Payee payee){
+        List<T> list = accountBook.stream()
+                .filter(t -> t.getPayee().equals(payee))
+                .collect(Collectors.toList());
+        return toArray(list,accountType);
+    }
+
+    public T[] getAllDebitTransactions(){
+        List<T> list =  accountBook.stream()
+                .filter(t -> t.getType().equals(TransactionType.DEBIT))
+                .collect(Collectors.toList());
+        return toArray(list,accountType);
+    }
+
+    public T[] getAllCreditTransactions(){
+        List<T> list = accountBook.stream()
+                .filter(t -> t.getType().equals(TransactionType.CREDIT))
+                .collect(Collectors.toList());
+        return toArray(list,accountType);
+    }
+
+    public void clear(){ accountBook.clear(); }
 }

Checkbook/src/main/java/Payee.java

 public class Payee {
 
-    private String familyName;
     private String givenName;
+    private String familyName;
     private String emailAddress;
 
+    public Payee() {}
+    public Payee(String givenName, String familyName, String emailAddress) {
+        this.givenName = givenName;
+        this.familyName = familyName;
+        this.emailAddress = emailAddress;
+    }
+
     public String getFamilyName() {
         return familyName;
     }

Checkbook/src/main/java/Transaction.java

 import java.time.LocalDate;
+import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicReference;
 
-public class Transaction {
-    private final AtomicReference<Integer> id = new AtomicReference<Integer>();
-    private final AtomicReference<LocalDate> date = new AtomicReference<LocalDate>();
+public class Transaction implements AccountBook{
+    private static final AtomicInteger idNum = new AtomicInteger(0);
+    private final AtomicReference<Integer> id = new AtomicReference<>(idNum.incrementAndGet());
+    private final AtomicReference<LocalDate> date = new AtomicReference<>(LocalDate.now());
     private String memo;
     private Payee payee;
     private TransactionType typee; // Credit (reduces the checkbook), Debit (increases the checkbook)
     }
 
     public Double getAmount() {
-        if (this.typee == TransactionType.DEBIT) {
-            return amount;
-        }
-        return (-1.0 * amount);
+        return (this.typee == TransactionType.DEBIT) ? amount : -1.0 * amount;
     }
 }

Checkbook/src/test/java/CheckbookTest.java

-import static org.junit.Assert.*;
+import junit.framework.Assert;
+import org.junit.Test;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
 
 public class CheckbookTest {
+    Checkbook book;
+    Payee connor, bob;
+    Transaction t1, t2, t3, t4, t5, t6, t7;
 
     @org.junit.Before
     public void setUp() throws Exception {
+        connor = new Payee("Connor", "Dunnigan", "Connor@gmail.com");
+        bob = new Payee("Bob", "Bobert", "Bob@gmail.com");
+        book = new Checkbook(connor, 10_000);
+        t1 = new Transaction("Rent", connor, TransactionType.CREDIT, 800.0);
+        t2 = new Transaction("Utilities", connor, TransactionType.CREDIT, 200.0);
+        t3 = new Transaction("Groceries", connor, TransactionType.CREDIT, 100.0);
+        t4 = new Transaction("Paycheck", connor, TransactionType.DEBIT, 1_000.0);
+        t5 = new Transaction("Side Hustle", connor, TransactionType.DEBIT, 500.0);
+        t6 = new Transaction("Allowance", bob, TransactionType.DEBIT, 300.0);
+        t7 = new Transaction("Random", bob, TransactionType.DEBIT, 100.0);
+    }
+
+    @Test
+    public void test_Size_Add() {
+        book.add(t1);
+        Assert.assertEquals(1, book.size());
+    }
+
+    @Test
+    public void test_Add_Contains() {
+        book.add(t1);
+        Assert.assertTrue(book.contains(t1));
+    }
+
+    @Test
+    public void test_Remove_Contains() {
+        book.add(t1);
+        book.add(t2);
+        book.remove(t1);
+        Assert.assertFalse(book.contains(t1));
+    }
+
+    @Test
+    public void test_RemoveAll() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2, t3, t4, t5, t6));
+        book.addAll(list);
+        book.removeAll(list);
+        Assert.assertTrue(book.isEmpty());
+    }
+
+    @Test
+    public void test_AddAll() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2, t3, t4, t5, t6));
+        book.addAll(list);
+        Assert.assertTrue(book.containsAll(list));
+    }
+
+    @Test
+    public void test2_AddAll() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2));
+        ArrayList<Transaction> cpyList = new ArrayList<>(list);
+        cpyList.add(t3);
+        book.addAll(list);
+        Assert.assertFalse(book.containsAll(cpyList));
+    }
+
+    @Test
+    public void test_ContainsAll_True() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2));
+        book.add(t1, t2);
+        Assert.assertTrue(book.containsAll(list));
+    }
+
+    @Test
+    public void test_ContainsAll_False() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2));
+        ArrayList<Transaction> cpyList = new ArrayList<>(list);
+        cpyList.add(t3);
+        Assert.assertFalse(book.containsAll(cpyList));
+    }
+
+    @Test
+    public void test1_IsEmpty_False() {
+        book.add(t1);
+        Assert.assertFalse(book.isEmpty());
+    }
+
+    @Test
+    public void test2_IsEmpty_True() {
+        Assert.assertTrue(book.isEmpty());
+    }
+
+    @Test
+    public void test1_Iterator() {
+        book.add(t1, t2, t3);
+        Iterator<Transaction> itr = book.iterator();
+        Assert.assertEquals(t1, itr.next());
+    }
+
+    @Test
+    public void test2_Iterator() {
+        book.add(t1, t2, t3);
+        Iterator<Transaction> itr = book.iterator();
+        itr.next();
+        Assert.assertEquals(t2, itr.next());
+    }
+
+    @Test
+    public void test3_Iterator() {
+        book.add(t1, t2, t3);
+        Iterator<Transaction> itr = book.iterator();
+        itr.next();
+        itr.next();
+        Assert.assertEquals(t3, itr.next());
+    }
+
+    @Test
+    public void test1_ToArray() {
+        book.add(t1);
+        Transaction[] exp = {t1};
+        Assert.assertTrue(Arrays.equals(exp, book.toArray()));
+    }
+
+    @Test
+    public void test2_ToArray() {
+        book.add(t1, t2);
+        Transaction[] exp = {t1, t2};
+        Assert.assertTrue(Arrays.equals(exp, book.toArray()));
+    }
+
+    @Test
+    public void test3_ToArray() {
+        book.add(t1, t2, t3);
+        Transaction[] exp = {t1, t2, t3};
+        Assert.assertTrue(Arrays.equals(exp, book.toArray(book.chBook)));
+    }
+
+    @Test
+    public void test_checkbookVal_Default() {
+        Assert.assertEquals(10_000.0, book.checkbookValue());
+    }
+
+    @Test
+    public void test_checkbookVal_PostTransactions() {
+        book.add(t1, t2, t3);
+        Assert.assertEquals(8_900.0, book.checkbookValue());
+    }
+
+    @Test
+    public void test2_checkbookVal_PostTransactions() {
+        book.add(t1, t2, t3, t4, t5);
+        Assert.assertEquals(10_400.0, book.checkbookValue());
+    }
+
+    @Test
+    public void test_Transactions_ByDate() {
+        book.add(t1);
+        Transaction[] exp = {t1};
+        Transaction[] act = book.getTransactionsForDate(LocalDate.now());
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_Transactions_ByDate() {
+        book.add(t1, t2);
+        Transaction[] exp = {t1, t2};
+        Transaction[] act = book.getTransactionsForDate(LocalDate.now());
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_Transactions_ByDate() {
+        book.add(t1, t2, t3, t4, t5);
+        Transaction[] exp = {t1, t2, t3, t4, t5};
+        Transaction[] act = book.getTransactionsForDate(LocalDate.now());
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_Transactions_ByPayee() {
+        book.add(t1);
+        Transaction[] exp = {t1};
+        Transaction[] act = book.getAllTransactionsForPayee(connor);
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_Transactions_ByPayee() {
+        book.add(t1, t2);
+        Transaction[] exp = {t1, t2};
+        Transaction[] act = book.getAllTransactionsForPayee(connor);
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_Transactions_ByPayee() {
+        book.add(t1, t2, t6);
+        Transaction[] exp = {t1, t2};
+        Transaction[] act = book.getAllTransactionsForPayee(connor);
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_Transactions_DEBIT() {
+        book.add(t4);
+        Transaction[] exp = {t4};
+        Transaction[] act = book.getAllDebitTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_Transactions_DEBIT() {
+        book.add(t1, t2, t4);
+        Transaction[] exp = {t4};
+        Transaction[] act = book.getAllDebitTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_Transactions_DEBIT() {
+        book.add(t1, t2, t3, t4, t5, t6);
+        Transaction[] exp = {t4, t5, t6};
+        Transaction[] act = book.getAllDebitTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_Transactions_CREDIT() {
+        book.add(t1);
+        Transaction[] exp = {t1};
+        Transaction[] act = book.getAllCreditTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_Transactions_CREDIT() {
+        book.add(t1, t2, t4);
+        Transaction[] exp = {t1, t2};
+        Transaction[] act = book.getAllCreditTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_Transactions_CREDIT() {
+        book.add(t1, t2, t3, t4, t5, t6);
+        Transaction[] exp = {t1, t2, t3};
+        Transaction[] act = book.getAllCreditTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_Clear() {
+        book.add(t1, t2, t3);
+        book.clear();
+        Assert.assertTrue(book.isEmpty());
     }
 
     @org.junit.After

Checkbook/src/test/java/GenericAccountTest.java

+import junit.framework.Assert;
+import org.junit.Test;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+
+public class GenericAccountTest {
+    GenericAccount<Transaction> book;
+    Payee connor, bob;
+    Transaction t1, t2, t3, t4, t5, t6, t7;
+
+    @org.junit.Before
+    public void setUp() throws Exception {
+        connor = new Payee("Connor", "Dunnigan", "Connor@gmail.com");
+        bob = new Payee("Bob", "Bobert", "Bob@gmail.com");
+        book = new GenericAccount<>(Transaction.class, connor, 10_000);
+        t1 = new Transaction("Rent", connor, TransactionType.CREDIT, 800.0);
+        t2 = new Transaction("Utilities", connor, TransactionType.CREDIT, 200.0);
+        t3 = new Transaction("Groceries", connor, TransactionType.CREDIT, 100.0);
+        t4 = new Transaction("Paycheck", connor, TransactionType.DEBIT, 1_000.0);
+        t5 = new Transaction("Side Hustle", connor, TransactionType.DEBIT, 500.0);
+        t6 = new Transaction("Allowance", bob, TransactionType.DEBIT, 300.0);
+        t7 = new Transaction("Random", bob, TransactionType.DEBIT, 100.0);
+    }
+
+    @Test
+    public void test_AccountVal() {
+        book.add(t1);
+        Assert.assertEquals(9_200.0, book.accountValue(), 0);
+    }
+
+    @Test
+    public void test_AccountHolder(){
+       Assert.assertEquals(connor,book.getAccountHolder());
+    }
+
+    @Test
+    public void test_Size_Add() {
+        book.add(t1);
+        Assert.assertEquals(1, book.size());
+    }
+
+    @Test
+    public void test_Add_Contains() {
+        book.add(t1);
+        Assert.assertTrue(book.contains(t1));
+    }
+
+    @Test
+    public void test_Remove_Contains() {
+        book.add(t1);
+        book.add(t2);
+        book.remove(t1);
+        Assert.assertFalse(book.contains(t1));
+    }
+
+    @Test
+    public void test_RemoveAll() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2, t3, t4, t5, t6));
+        book.addAll(list);
+        book.removeAll(list);
+        Assert.assertTrue(book.isEmpty());
+    }
+
+    @Test
+    public void test_AddAll() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2, t3, t4, t5, t6));
+        book.addAll(list);
+        Assert.assertTrue(book.containsAll(list));
+    }
+
+    @Test
+    public void test2_AddAll() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2));
+        ArrayList<Transaction> cpyList = new ArrayList<>(list);
+        cpyList.add(t3);
+        book.addAll(list);
+        Assert.assertFalse(book.containsAll(cpyList));
+    }
+
+    @Test
+    public void test_ContainsAll_True() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2));
+        book.add(t1, t2);
+        Assert.assertTrue(book.containsAll(list));
+    }
+
+    @Test
+    public void test_ContainsAll_False() {
+        ArrayList<Transaction> list = new ArrayList<>(Arrays.asList(t1, t2));
+        ArrayList<Transaction> cpyList = new ArrayList<>(list);
+        cpyList.add(t3);
+        Assert.assertFalse(book.containsAll(cpyList));
+    }
+
+    @Test
+    public void test1_IsEmpty_False() {
+        book.add(t1);
+        Assert.assertFalse(book.isEmpty());
+    }
+
+    @Test
+    public void test2_IsEmpty_True() {
+        Assert.assertTrue(book.isEmpty());
+    }
+
+    @Test
+    public void test1_Iterator() {
+        book.add(t1, t2, t3);
+        Iterator<Transaction> itr = book.iterator();
+        Assert.assertEquals(t1, itr.next());
+    }
+
+    @Test
+    public void test2_Iterator() {
+        book.add(t1, t2, t3);
+        Iterator<Transaction> itr = book.iterator();
+        itr.next();
+        Assert.assertEquals(t2, itr.next());
+    }
+
+    @Test
+    public void test3_Iterator() {
+        book.add(t1, t2, t3);
+        Iterator<Transaction> itr = book.iterator();
+        itr.next();
+        itr.next();
+        Assert.assertEquals(t3, itr.next());
+    }
+
+    @Test
+    public void test1_ToArray() {
+        book.add(t1);
+        AccountBook[] exp = {t1};
+        Assert.assertTrue(Arrays.equals(exp, book.toArray()));
+    }
+
+    @Test
+    public void test2_ToArray() {
+        book.add(t1, t2);
+        AccountBook[] exp = {t1, t2};
+        Assert.assertTrue(Arrays.equals(exp, book.toArray()));
+    }
+
+    @Test
+    public void test3_ToArray() {
+        book.add(t1, t2, t3);
+        AccountBook[] exp = {t1, t2, t3};
+        Assert.assertTrue(Arrays.equals(exp, book.toArray()));
+    }
+
+    @Test
+    public void test_AccountBooks_ByDate() {
+        book.add(t1);
+        AccountBook[] exp = {t1};
+        AccountBook[] act = book.getTransactionsForDate(LocalDate.now());
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_AccountBooks_ByDate() {
+        book.add(t1, t2);
+        AccountBook[] exp = {t1, t2};
+        AccountBook[] act = book.getTransactionsForDate(LocalDate.now());
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_AccountBooks_ByDate() {
+        book.add(t1, t2, t3, t4, t5);
+        AccountBook[] exp = {t1, t2, t3, t4, t5};
+        AccountBook[] act = book.getTransactionsForDate(LocalDate.now());
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_AccountBooks_ByPayee() {
+        book.add(t1);
+        AccountBook[] exp = {t1};
+        AccountBook[] act = book.getAllTransactionsForPayee(connor);
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_AccountBooks_ByPayee() {
+        book.add(t1, t2);
+        AccountBook[] exp = {t1, t2};
+        AccountBook[] act = book.getAllTransactionsForPayee(connor);
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_AccountBooks_ByPayee() {
+        book.add(t1, t2, t6);
+        AccountBook[] exp = {t1, t2};
+        AccountBook[] act = book.getAllTransactionsForPayee(connor);
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_AccountBooks_DEBIT() {
+        book.add(t4);
+        AccountBook[] exp = {t4};
+        AccountBook[] act = book.getAllDebitTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_AccountBooks_DEBIT() {
+        book.add(t1, t2, t4);
+        AccountBook[] exp = {t4};
+        AccountBook[] act = book.getAllDebitTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_AccountBooks_DEBIT() {
+        book.add(t1, t2, t3, t4, t5, t6);
+        AccountBook[] exp = {t4, t5, t6};
+        AccountBook[] act = book.getAllDebitTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_AccountBooks_CREDIT() {
+        book.add(t1);
+        AccountBook[] exp = {t1};
+        AccountBook[] act = book.getAllCreditTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test2_AccountBooks_CREDIT() {
+        book.add(t1, t2, t4);
+        AccountBook[] exp = {t1, t2};
+        AccountBook[] act = book.getAllCreditTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test3_AccountBooks_CREDIT() {
+        book.add(t1, t2, t3, t4, t5, t6);
+        AccountBook[] exp = {t1, t2, t3};
+        AccountBook[] act = book.getAllCreditTransactions();
+        Assert.assertTrue(Arrays.equals(exp, act));
+    }
+
+    @Test
+    public void test_Clear() {
+        book.add(t1, t2, t3);
+        book.clear();
+        Assert.assertTrue(book.isEmpty());
+    }
+
+    @org.junit.After
+    public void tearDown() throws Exception {
+    }
+}