Author: allain.lalonde
Date: Mon Jul 13 05:13:41 2009
New Revision: 449
Added:
piccolo2d.java/trunk/core/src/test/java/edu/umd/cs/piccolo/PLayerTest.java
Log:
Adding some unit test to PLayer, 98.7% instruction coverage booya.
Added:
piccolo2d.java/trunk/core/src/test/java/edu/umd/cs/piccolo/PLayerTest.java
==============================================================================
--- (empty file)
+++
piccolo2d.java/trunk/core/src/test/java/edu/umd/cs/piccolo/PLayerTest.java
Mon Jul 13 05:13:41 2009
@@ -0,0 +1,132 @@
+package edu.umd.cs.piccolo;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import junit.framework.TestCase;
+import edu.umd.cs.piccolo.util.PBounds;
+import edu.umd.cs.piccolo.util.PObjectOutputStream;
+
+public class PLayerTest extends TestCase {
+ private PLayer layer;
+
+ public void setUp() {
+ layer = new PLayer();
+ }
+
+ public void testLayerHasEmptyCamerasCollectionByDefault() {
+ Collection cameras = layer.getCamerasReference();
+ assertNotNull(cameras);
+ assertTrue(cameras.isEmpty());
+ assertEquals(0, layer.getCameraCount());
+ }
+
+ public void
testGetCameraByIndexThrowsIndexOutOfBoundsExceptionWhenOutOfBounds() {
+ PCamera camera = new PCamera();
+ layer.addCamera(camera);
+ try {
+ layer.getCamera(-1);
+ fail("Exception should have been thrown");
+ } catch (IndexOutOfBoundsException e) {
+ // expected;
+ }
+
+ try {
+ layer.getCamera(1);
+ fail("Exception should have been thrown");
+ } catch (IndexOutOfBoundsException e) {
+ // expected;
+ }
+ }
+
+ public void testGetCameraReturnsCameraAtCorrectIndex() {
+ PCamera camera1 = new PCamera();
+ PCamera camera2 = new PCamera();
+ PCamera camera3 = new PCamera();
+
+ layer.addCamera(camera1);
+ layer.addCamera(camera2);
+ layer.addCamera(camera3);
+
+ assertEquals(camera1, layer.getCamera(0));
+ assertEquals(camera2, layer.getCamera(1));
+ assertEquals(camera3, layer.getCamera(2));
+ }
+
+ public void testAddCameraCorrectlyHandlesIndex() {
+ PCamera camera1 = new PCamera();
+ PCamera camera2 = new PCamera();
+ PCamera camera3 = new PCamera();
+
+ layer.addCamera(0, camera1);
+ layer.addCamera(0, camera2);
+ layer.addCamera(1, camera3);
+
+ assertEquals(camera2, layer.getCamera(0));
+ assertEquals(camera3, layer.getCamera(1));
+ assertEquals(camera1, layer.getCamera(2));
+ }
+
+ public void testRemovingCameraByReferenceWorksWhenCameraIsFound() {
+ PCamera camera = new PCamera();
+ layer.addCamera(camera);
+ layer.removeCamera(camera);
+ assertEquals(0, layer.getCameraCount());
+ }
+
+ public void testRemovingCameraByIndexWorksWhenIndexIsValid() {
+ PCamera camera = new PCamera();
+ layer.addCamera(camera);
+ layer.removeCamera(0);
+ assertEquals(0, layer.getCameraCount());
+ }
+
+ // I think PLayer should behave this way. Seems more logical since it's
how
+ // the Java Collection libraries behave
+ /*
+ public void testRemovingCameraNotAttachedToCameraShouldDoNothing() {
+ PCamera strangerCamera = new PCamera();
+ layer.removeCamera(strangerCamera);
+ assertEquals(0, layer.getCameraCount());
+ }*/
+
+ public void testRepaintFromNotifiesCameras() {
+ MockPCamera camera = new MockPCamera();
+ layer.addCamera(camera);
+
+ PBounds bounds = new PBounds(0, 0, 100, 100);
+ layer.repaintFrom(bounds, layer);
+
+ assertEquals(1, camera.notifications.size());
+
+ MockPCamera.Notification notification =
(MockPCamera.Notification)camera.notifications.get(0);
+ assertEquals(layer, notification.layer);
+ assertEquals(bounds, notification.bounds);
+ }
+
+ class MockPCamera extends PCamera {
+ class Notification {
+ PBounds bounds;
+ //this should really be PLayer
+ PNode layer;
+
+ Notification(PBounds bounds, PNode layer) {
+ this.bounds = bounds;
+ this.layer = layer;
+ }
+ }
+
+ List notifications = new ArrayList();
+
+ public void repaintFromLayer(PBounds bounds, PNode layer) {
+ notifications.add(new Notification(bounds, layer));
+ super.repaintFromLayer(bounds, layer);
+ }
+ }
+}
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Piccolo2D Developers Group: http://groups.google.com/group/piccolo2d-dev?hl=en
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