fixe rect unit tests

src/unitTest.java

@@ -83,7 +83,7 @@ public class unitTest {
   @Test
   public void testRectangleConstructor() {
     // test default constructor
-    Shape testShape = new Rectangle();
+    Rectangle testShape = new Rectangle();
     assertEquals(3, testShape.getWidth()); 
     assertEquals(4, testShape.getHeight()); 
     
@@ -96,7 +96,7 @@ public class unitTest {
   @Test
   public void testRectangleWidth() {  
     // test setSize()
-    Shape testShape = new Rectangle(5,4);
+    Rectangle testShape = new Rectangle(5,4);
     testShape.setWidth(6);
     assertEquals(6, testShape.getWidth()); 
   }
@@ -104,7 +104,7 @@ public class unitTest {
   @Test
   public void testRectangleHeight() {  
     // test setSize()
-    Shape testShape = new Rectangle(78);
+    Rectangle testShape = new Rectangle(7,8);
     testShape.setHeight(3);
     assertEquals(3, testShape.getHeight()); 
   }
@@ -112,13 +112,13 @@ public class unitTest {
   @Test
   public void testRectangleCircumference() {  
     // test circumference()
-    Shape testShape = new Rectangle(6,3);
+    Rectangle testShape = new Rectangle(6,3);
     assertEquals(18.0, testShape.circumference(), 1e-6); 
   }
     @Test
     public void testRectangleArea() {  
       // test area()
-      Shape testShape = new Rectangle(5,7);
+      Rectangle testShape = new Rectangle(5,7);
       assertEquals(35.0, testShape.area(), 1e-6); 
   }