added more unit tests

AccountTest.java

@@ -36,4 +36,38 @@ public class AccountTest
      //Assert:
      assertEquals(expected, actual);
     }
+    
+    @Test
+    public void depositTest(){
+    //Given:
+    Account test = new Account(100);
+    test.deposit(100);
+    //Then:
+    int expected = 200;
+    int actual = test.balance();
+    //Assert
+    assertEquals(expected,actual);
+    
+    }
+    
+    @Test
+    public void openTest() {
+    //Given
+    Account test = new Account(100);
+    //Then:
+    Account answer = test.open(90);
+    //Assert
+    assertTrue(answer.balance() == 90);
+    
+    }
+    
+    @Test
+    public void withdrawTest(){
+    test.deposit(1000);
+    try{test.withdraw(800);}
+    catch(AccountException ae){};
+    int expected = 200;
+    int actual = test.balance();
+    assertEquals(expected,actual);
+    }
 }

CalendarTest.java

@@ -0,0 +1,77 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * The test class CalendarTest.
+ *
+ * @author  (your name)
+ * @version (a version number or a date)
+ */
+public class CalendarTest
+{
+    Calendar test;
+    
+    @Test
+    public void addDayTest() {
+    try{test = new Calendar(8,2,1985);}
+    catch(DateException de){};
+    
+    test.addDay();
+    assertTrue(test.day == 9);
+    
+    }
+    
+     @Test
+    public void subDayTest() {
+    try{test = new Calendar(8,2,1985);}
+    catch(DateException de){};
+    
+    test.subDay();
+    assertTrue(test.day == 7);
+    
+    }
+    
+    @Test
+    public void addMonthTest() {
+    try{test = new Calendar(8,2,1985);}
+    catch(DateException de){};
+    
+    test.addMonth();
+    assertTrue(test.month == 3);
+    
+    }
+    
+     @Test
+    public void subMonthTest() {
+    try{test = new Calendar(8,2,1985);}
+    catch(DateException de){};
+    
+    test.subMonth();
+    assertTrue(test.month == 1);
+    
+    }
+    
+     @Test
+    public void addyearTest() {
+    try{test = new Calendar(8,2,1985);}
+    catch(DateException de){};
+    
+    test.addYear();
+    assertTrue(test.year == 1986);
+    
+    }
+    
+      @Test
+    public void subyearTest() {
+    try{test = new Calendar(8,2,1985);}
+    catch(DateException de){};
+    
+    test.subYear();
+    assertTrue(test.year == 1984);
+    
+    }
+}

DateTest.java

@@ -0,0 +1,39 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * The test class DateTest.
+ *
+ * @author  (your name)
+ * @version (a version number or a date)
+ */
+public class DateTest
+{
+    Date test;
+    Date d;
+    @Test
+    public void toStringTest() {
+    try{test = new Date(8,2,1985);}
+    catch(DateException de){};
+    
+    
+    String expected = "8/2/1985";
+    String actual = test.toString();
+    assertEquals(expected,actual);
+}
+
+@Test
+public void lessThanTest(){
+    try{test = new Date(8,2,1985);}
+    catch(DateException de){};
+    
+    try{d = new Date(9,2,1985);}
+    catch(DateException de){};
+    
+    assertTrue(test.lessThan(d));
+}
+}

DepositAccountTest.java

@@ -0,0 +1,38 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * The test class DepositAccountTest.
+ *
+ * @author  (your name)
+ * @version (a version number or a date)
+ */
+public class DepositAccountTest
+{
+   @Test
+   public void withdrawTest(){
+    DepositAccount test = new DepositAccount(1000, 0.1D);
+    try{test.withdraw(100);}
+    catch(AccountException ae){};
+    assertTrue(test.balance() == 900);
+    }
+    
+    @Test
+    public void updateTest(){
+    DepositAccount test = new DepositAccount(1000, 0.1D);
+    test.update();
+    assertTrue(test.balance() == 1100);
+    }
+    
+    @Test
+    public void setIntrestTest(){
+    DepositAccount test = new DepositAccount(1000, 0.1D);
+    test.setInterest(0.05D);
+    test.update();
+    assertTrue(test.balance() == 1050);
+    }
+}

UseIO.java

@@ -0,0 +1,25 @@
+
+/**
+ * Write a description of class UseIO here.
+ *
+ * @author (your name)
+ * @version (a version number or a date)
+ */
+public class UseIO
+{
+    // instance variables - replace the example below with your own
+    TextIO test = new TextIO();
+
+    public UseIO(){};
+    
+    public String lazyWriteDouble(double number, int align, int frac){
+    return test.writeDouble(number,align,frac);
+    }
+    
+    public String lazyWriteInt(int number, int align){
+    return test.writeInt(number,align);
+    }
+    
+    
+    
+}

UsesTextIO.java

@@ -1,31 +0,0 @@
-
-/**
- * Write a description of class UsesTextIO here.
- *
- * @author (your name)
- * @version (a version number or a date)
- */
-public class UsesTextIO
-{
-    TextIO text = new TextIO();
-    
-    /**
-     * Constructor for objects of class UsesTextIO
-     */
-    public UsesTextIO(TextIO t)
-    {
-        // initialise instance variables
-        text = t;
-    }
-    
-    
-    
-    
-    
-    public double readDouble(double d){
-    return text.readDouble(text.open(("d")));
-    }
-    
-
-   
-}

package.bluej

@@ -2,12 +2,36 @@
 dependency1.from=Account
 dependency1.to=AccountException
 dependency1.type=UsesDependency
+dependency10.from=CalendarTest
+dependency10.to=DateException
+dependency10.type=UsesDependency
+dependency11.from=UseIO
+dependency11.to=TextIO
+dependency11.type=UsesDependency
 dependency2.from=DepositAccount
 dependency2.to=AccountException
 dependency2.type=UsesDependency
-dependency3.from=UsesTextIO
-dependency3.to=TextIO
+dependency3.from=AccountTest
+dependency3.to=Account
 dependency3.type=UsesDependency
+dependency4.from=AccountTest
+dependency4.to=AccountException
+dependency4.type=UsesDependency
+dependency5.from=DepositAccountTest
+dependency5.to=DepositAccount
+dependency5.type=UsesDependency
+dependency6.from=DepositAccountTest
+dependency6.to=AccountException
+dependency6.type=UsesDependency
+dependency7.from=DateTest
+dependency7.to=Date
+dependency7.type=UsesDependency
+dependency8.from=DateTest
+dependency8.to=DateException
+dependency8.type=UsesDependency
+dependency9.from=CalendarTest
+dependency9.to=Calendar
+dependency9.type=UsesDependency
 editor.fx.0.height=713
 editor.fx.0.width=800
 editor.fx.0.x=114
@@ -22,8 +46,8 @@ package.editor.x=190
 package.editor.y=105
 package.frame.height=600
 package.frame.width=800
-package.numDependencies=3
-package.numTargets=16
+package.numDependencies=11
+package.numTargets=19
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -40,107 +64,131 @@ target1.width=130
 target1.x=450
 target1.y=190
 target10.height=50
-target10.name=Scrabble
+target10.name=ScrabbleTest
 target10.showInterface=false
-target10.type=ClassTarget
-target10.width=80
-target10.x=10
-target10.y=240
+target10.type=UnitTestTargetJunit4
+target10.width=110
+target10.x=0
+target10.y=200
 target11.height=50
-target11.name=DepositAccount
+target11.name=UseIO
 target11.showInterface=false
 target11.type=ClassTarget
-target11.width=120
-target11.x=170
-target11.y=120
+target11.width=80
+target11.x=400
+target11.y=70
 target12.height=50
-target12.name=TriangleTwo
+target12.name=Scrabble
 target12.showInterface=false
 target12.type=ClassTarget
-target12.width=100
-target12.x=120
-target12.y=310
+target12.width=80
+target12.x=10
+target12.y=240
+target13.association=DepositAccountTest
 target13.height=50
-target13.name=AccountException
+target13.name=DepositAccount
 target13.showInterface=false
 target13.type=ClassTarget
-target13.width=140
-target13.x=190
-target13.y=30
+target13.width=120
+target13.x=170
+target13.y=120
 target14.height=50
-target14.name=AccountTest
+target14.name=TriangleTwo
 target14.showInterface=false
-target14.type=UnitTestTargetJunit4
+target14.type=ClassTarget
 target14.width=100
-target14.x=0
-target14.y=80
+target14.x=120
+target14.y=310
 target15.height=50
-target15.name=DateException
+target15.name=AccountException
 target15.showInterface=false
 target15.type=ClassTarget
-target15.width=120
-target15.x=470
-target15.y=340
+target15.width=140
+target15.x=190
+target15.y=30
 target16.height=50
-target16.name=UsesTextIO
+target16.name=AccountTest
 target16.showInterface=false
-target16.type=ClassTarget
+target16.type=UnitTestTargetJunit4
 target16.width=100
-target16.x=400
-target16.y=110
+target16.x=0
+target16.y=80
+target17.height=50
+target17.name=DateTest
+target17.showInterface=false
+target17.type=UnitTestTargetJunit4
+target17.width=80
+target17.x=350
+target17.y=300
+target18.height=50
+target18.name=CalendarTest
+target18.showInterface=false
+target18.type=UnitTestTargetJunit4
+target18.width=80
+target18.x=520
+target18.y=260
+target19.height=50
+target19.name=DateException
+target19.showInterface=false
+target19.type=ClassTarget
+target19.width=120
+target19.x=450
+target19.y=370
 target2.height=50
-target2.name=Calendar1
+target2.name=DepositAccountTest
 target2.showInterface=false
-target2.type=ClassTarget
-target2.width=90
-target2.x=330
-target2.y=220
+target2.type=UnitTestTargetJunit4
+target2.width=120
+target2.x=200
+target2.y=90
 target3.height=50
-target3.name=Account
+target3.name=Calendar1
 target3.showInterface=false
 target3.type=ClassTarget
-target3.width=80
-target3.x=50
-target3.y=110
+target3.width=90
+target3.x=300
+target3.y=220
 target4.height=50
-target4.name=Squares
+target4.name=Account
 target4.showInterface=false
 target4.type=ClassTarget
 target4.width=80
-target4.x=120
-target4.y=250
+target4.x=50
+target4.y=110
 target5.height=50
-target5.name=Calendar
+target5.name=Squares
 target5.showInterface=false
 target5.type=ClassTarget
 target5.width=80
-target5.x=490
-target5.y=270
+target5.x=120
+target5.y=250
+target6.association=CalendarTest
 target6.height=50
-target6.name=TriangleOne
+target6.name=Calendar
 target6.showInterface=false
 target6.type=ClassTarget
-target6.width=100
-target6.x=10
-target6.y=310
+target6.width=80
+target6.x=490
+target6.y=290
 target7.height=50
-target7.name=TextIO
+target7.name=TriangleOne
 target7.showInterface=false
 target7.type=ClassTarget
-target7.width=80
-target7.x=490
-target7.y=40
+target7.width=100
+target7.x=10
+target7.y=310
 target8.height=50
-target8.name=Date
+target8.name=TextIO
 target8.showInterface=false
 target8.type=ClassTarget
 target8.width=80
-target8.x=350
-target8.y=290
+target8.x=490
+target8.y=40
+target9.association=DateTest
 target9.height=50
-target9.name=ScrabbleTest
+target9.name=Date
 target9.showInterface=false
-target9.type=UnitTestTargetJunit4
-target9.width=110
-target9.x=0
-target9.y=200
+target9.type=ClassTarget
+target9.width=80
+target9.x=320
+target9.y=330