added empty tests

Checkbook/src/main/java/Checkbook.java

@@ -72,7 +72,7 @@ public class Checkbook {
         return sum;
     }
 
-    public ArrayList<Transaction> getCheckbook() {
+    public List<Transaction> getCheckbook() {
         return checkbook;
     }
 
@@ -81,7 +81,7 @@ public class Checkbook {
         List<Transaction> arr = new ArrayList<>();
         for (Transaction ts : this.checkbook) {
             Object valueToCheck = getObject(fieldName, ts);
-            if (valueToCheck.equals(value)) {
+            if (valueToCheck != null && valueToCheck.equals(value)) {
                 arr.add(ts);
             }
         }
@@ -97,11 +97,9 @@ public class Checkbook {
         } catch (NoSuchFieldException | IllegalAccessException noField) {
             noField.printStackTrace();
         }
-
         return null;
     }
 
-
     public boolean containsAll(Collection<Transaction> c) {
         return checkbook.containsAll(c);
     }
@@ -118,22 +116,11 @@ public class Checkbook {
         checkbook.clear();
     }
 
-    private Transaction[] getAllTransactionByType(TransactionType tt) {
-        ArrayList<Transaction> arr = new ArrayList<>();
-        for (Transaction t: this.checkbook) {
-            if (t.getType().equals(tt)) {
-                arr.add(t);
-            }
-        }
-        return this.toArrayFromList(arr);
-    }
-
-
     public Transaction[] getAllDebitTransactions() {
-        return getAllTransactionByType(TransactionType.DEBIT);
+        return getSpecificTransactions("typee", TransactionType.DEBIT);
     }
 
     public Transaction[] getAllCreditTransactions() {
-        return getAllTransactionByType(TransactionType.CREDIT);
+        return getSpecificTransactions("typee", TransactionType.CREDIT);
     }
 }

Checkbook/src/test/java/CheckbookTest.java

@@ -229,7 +229,7 @@ public class CheckbookTest {
     }
 
     @Test
-    public void getTransactionAddingNewTForDateA() {
+    public void getTransactionAddingNewTForDate() {
         LocalDate a = LocalDate.of(2018, 12, 05);
         Transaction t = new Transaction("foo", p1, TransactionType.DEBIT, 2.00);
 
@@ -255,5 +255,93 @@ public class CheckbookTest {
         assertEquals(expArr, checkbookWithOwner.getSpecificTransactions("payee", payee));
     }
 
-    // Contains all,
+    @Test
+    public void testContainsAll() {
+
+    }
+
+    @Test
+    public void testContainsNone() {
+
+    }
+
+    @Test
+    public void testContainsAllAddThenCheck() {
+
+    }
+
+    @Test
+    public void testAddAll() {
+
+    }
+
+    @Test
+    public void testAddAllNone() {
+
+    }
+
+    @Test
+    public void testAddAllException() {
+
+    }
+
+    @Test
+    public void testRemoveAll() {
+
+    }
+
+    @Test
+    public void testRemoveAllNone() {
+
+    }
+
+    @Test
+    public void testRemoveAllAddNewTransactions() {
+
+    }
+
+    @Test
+    public void testClear() {
+
+    }
+
+    @Test
+    public void testClearEmpty() {
+
+    }
+
+    @Test
+    public void testClearAddAndRemove() {
+
+    }
+
+    @Test
+    public void testGetDebits() {
+
+    }
+
+    @Test
+    public void testGetDebitsNone() {
+
+    }
+
+    @Test
+    public void testGetDebitsAdded() {
+
+    }
+
+    @Test
+    public void testGetCredits() {
+
+    }
+
+    @Test
+    public void testGetCreditsNone() {
+
+    }
+
+    @Test
+    public void testGetCreditsRemoveAndAdd() {
+
+    }
 }