Merge pull request #61 from UCSDOalads/addInputBoxTest

Add AddInputBoxActionTest

Author: UltimatePea

src/actions/AddDataInputBoxActionTest.java

@@ -0,0 +1,28 @@
+package actions;
+
+import static org.junit.Assert.*;
+
+import org.junit.Test;
+
+import paintcomponents.data.DataInputTextfieldPaintComponent;
+import ui.PaintPanel;
+
+public class AddDataInputBoxActionTest {
+
+	@Test
+	public void test() {
+		PaintPanel panel = new PaintPanel();
+		
+		AddDataInputBoxAction action = new AddDataInputBoxAction(panel);
+		
+		assertEquals(0, panel.getPaintComponents().size());
+		
+		action.performAction();
+		
+		assertEquals(1, panel.getPaintComponents().size());
+		
+		assertTrue(panel.getPaintComponents().get(0) instanceof DataInputTextfieldPaintComponent);
+		
+	}
+
+}

src/actions/edit/undoredo/SharedUndoRedoActionManager.java

@@ -53,7 +53,9 @@ public boolean canRedo() {
 	public void pushUndoableAction( UndoRedoableInterface undoredoableAction ) {
 		undoStack.push(undoredoableAction);
 		redoStack.clear();
-		delegate.didAddNewAction(undoredoableAction);
+		if(delegate != null){
+			delegate.didAddNewAction(undoredoableAction);
+		}
 	}