added test classes and absolute value

RealAdvanced.java

@@ -18,30 +18,29 @@ public class RealAdvanced
             "2: x^y" + "\n"+
             "3: 1/x" + "\n"+
             "4: Switch Sign of x" + "\n"+
-            "5: Return to Main Menu");
+            "5: Absolute Value of x" + "\n"+
+            "6: Return to Main Menu");
 
     }
     // method to find x^2
     public double squared(double x){
-
         return Math.pow(x,2);
     }
     // method to find x^y
     public double exponent(double x, double y){
-
         return Math.pow(x,y);
     }
     // method to find the inverse of x
     public double inverse(double x){
-
         return 1/x;
     }
     // method to switch sign of x
     public double opposite(double x){
-
         double opposite1 = -1 * x;
-
         return opposite1;
     }
+    public double absoluteValue(double x){
+        return Math.abs(x);
+    }
 
 }

RealAdvancedTest.java

@@ -0,0 +1,82 @@
+
+
+import static org.junit.Assert.*;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * The test class RealAdvancedTest.
+ *
+ * @author  (your name)
+ * @version (a version number or a date)
+ */
+public class RealAdvancedTest
+{
+    /**
+     * Default constructor for test class RealAdvancedTest
+     */
+    public RealAdvancedTest()
+    {
+    }
+
+    /**
+     * Sets up the test fixture.
+     *
+     * Called before every test case method.
+     */
+    @Before
+    public void setUp()
+    {
+    }
+
+    /**
+     * Tears down the test fixture.
+     *
+     * Called after every test case method.
+     */
+    @After
+    public void tearDown()
+    {
+    }
+
+    @Test
+    public void squaredTest()
+    {
+        RealAdvanced realAdva1 = new RealAdvanced();
+        assertEquals(9.0, realAdva1.squared(3), 0.1);
+    }
+
+    @Test
+    public void exponentTest()
+    {
+        RealAdvanced realAdva1 = new RealAdvanced();
+        assertEquals(8.0, realAdva1.exponent(2, 3), 0.1);
+    }
+
+    @Test
+    public void oppositeTest()
+    {
+        RealAdvanced realAdva1 = new RealAdvanced();
+        assertEquals(2.0, realAdva1.opposite(-2), 0.1);
+    }
+
+    @Test
+    public void inverseTest()
+    {
+        RealAdvanced realAdva1 = new RealAdvanced();
+        assertEquals(0.5, realAdva1.inverse(2), 0.1);
+    }
+
+    @Test
+    public void absoluteTest()
+    {
+        RealAdvanced realAdva1 = new RealAdvanced();
+        assertEquals(4.0, realAdva1.absoluteValue(-4), 0.1);
+    }
+}
+
+
+
+
+

package.bluej

@@ -1,65 +1,68 @@
 #BlueJ package file
-dependency1.from=MainMenu
+dependency1.from=Basic
 dependency1.to=Console
 dependency1.type=UsesDependency
-dependency10.from=Console
-dependency10.to=Basic
+dependency10.from=MemoryFunc
+dependency10.to=Console
 dependency10.type=UsesDependency
-dependency11.from=Console
-dependency11.to=RealAdvanced
+dependency11.from=Trig
+dependency11.to=Console
 dependency11.type=UsesDependency
-dependency12.from=Console
-dependency12.to=SciCalc
+dependency12.from=SwitchDisplay
+dependency12.to=Console
 dependency12.type=UsesDependency
-dependency13.from=Console
-dependency13.to=MemoryFunc
+dependency13.from=MainMenu
+dependency13.to=Console
 dependency13.type=UsesDependency
-dependency14.from=Console
-dependency14.to=SwitchDisplay
+dependency14.from=MainApplication
+dependency14.to=Console
 dependency14.type=UsesDependency
-dependency15.from=Console
-dependency15.to=Trig
+dependency15.from=RealAdvanced
+dependency15.to=Console
 dependency15.type=UsesDependency
+dependency16.from=RealAdvancedTest
+dependency16.to=RealAdvanced
+dependency16.type=UsesDependency
 dependency2.from=SciCalc
 dependency2.to=Console
 dependency2.type=UsesDependency
-dependency3.from=MainApplication
-dependency3.to=Console
+dependency3.from=Console
+dependency3.to=MainMenu
 dependency3.type=UsesDependency
-dependency4.from=MemoryFunc
-dependency4.to=Console
+dependency4.from=Console
+dependency4.to=Basic
 dependency4.type=UsesDependency
-dependency5.from=SwitchDisplay
-dependency5.to=Console
+dependency5.from=Console
+dependency5.to=RealAdvanced
 dependency5.type=UsesDependency
-dependency6.from=Trig
-dependency6.to=Console
+dependency6.from=Console
+dependency6.to=SciCalc
 dependency6.type=UsesDependency
-dependency7.from=Basic
-dependency7.to=Console
+dependency7.from=Console
+dependency7.to=MemoryFunc
 dependency7.type=UsesDependency
-dependency8.from=RealAdvanced
-dependency8.to=Console
+dependency8.from=Console
+dependency8.to=SwitchDisplay
 dependency8.type=UsesDependency
 dependency9.from=Console
-dependency9.to=MainMenu
+dependency9.to=Trig
 dependency9.type=UsesDependency
-editor.fx.0.height=749
+editor.fx.0.height=709
 editor.fx.0.width=1215
-editor.fx.0.x=145
-editor.fx.0.y=74
-objectbench.height=214
+editor.fx.0.x=65
+editor.fx.0.y=23
+objectbench.height=198
 objectbench.width=595
 package.divider.horizontal=0.6
-package.divider.vertical=0.6847360912981455
-package.editor.height=473
+package.divider.vertical=0.685099846390169
+package.editor.height=439
 package.editor.width=493
 package.editor.x=35
-package.editor.y=59
-package.frame.height=759
+package.editor.y=23
+package.frame.height=709
 package.frame.width=619
-package.numDependencies=15
-package.numTargets=9
+package.numDependencies=16
+package.numTargets=10
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -75,6 +78,13 @@ target1.type=ClassTarget
 target1.width=80
 target1.x=320
 target1.y=180
+target10.height=50
+target10.name=MainApplication
+target10.showInterface=false
+target10.type=ClassTarget
+target10.width=120
+target10.x=70
+target10.y=70
 target2.height=50
 target2.name=SciCalc
 target2.showInterface=false
@@ -82,6 +92,7 @@ target2.type=ClassTarget
 target2.width=80
 target2.x=10
 target2.y=280
+target3.association=RealAdvancedTest
 target3.height=50
 target3.name=RealAdvanced
 target3.showInterface=false
@@ -90,19 +101,19 @@ target3.width=110
 target3.x=170
 target3.y=10
 target4.height=50
-target4.name=MemoryFunc
+target4.name=Console
 target4.showInterface=false
 target4.type=ClassTarget
-target4.width=110
-target4.x=210
-target4.y=350
+target4.width=80
+target4.x=70
+target4.y=170
 target5.height=50
-target5.name=Console
+target5.name=MemoryFunc
 target5.showInterface=false
 target5.type=ClassTarget
-target5.width=80
-target5.x=70
-target5.y=170
+target5.width=110
+target5.x=210
+target5.y=350
 target6.height=50
 target6.name=Trig
 target6.showInterface=false
@@ -118,16 +129,16 @@ target7.width=110
 target7.x=80
 target7.y=350
 target8.height=50
-target8.name=MainMenu
+target8.name=RealAdvancedTest
 target8.showInterface=false
-target8.type=ClassTarget
-target8.width=90
-target8.x=70
-target8.y=10
+target8.type=UnitTestTargetJunit4
+target8.width=110
+target8.x=200
+target8.y=-20
 target9.height=50
-target9.name=MainApplication
+target9.name=MainMenu
 target9.showInterface=false
 target9.type=ClassTarget
-target9.width=120
+target9.width=90
 target9.x=70
-target9.y=70
+target9.y=10