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diff --git a/docs/teaching/exercises/tests/Test3b.java b/docs/teaching/exercises/tests/Test3b.java
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+++ b/docs/teaching/exercises/tests/Test3b.java
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+/* *******************************************************************
+ * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
+ * All rights reserved. 
+ * This program and the accompanying materials are made available 
+ * under the terms of the Common Public License v1.0 
+ * which accompanies this distribution and is available at 
+ * http://www.eclipse.org/legal/cpl-v10.html 
+ *  
+ * Contributors: 
+ *     PARC     initial implementation 
+ * ******************************************************************/
+
+package tests;
+
+import figures.*;
+import support.Log;
+
+import junit.framework.*;
+
+public class Test3b extends Test {
+    public Test3b(String name) { super(name); }
+
+    public static void main(String[] args) {
+        junit.textui.TestRunner.run(Test3b.class);
+    }
+
+    public void setUp() {
+        super.setUp();
+        Log.clear();
+    }
+
+    public void testCreateLog() {
+        assertEquals("", Log.getString());
+    }
+
+    public void testCreateWithPointLog() {
+	g = new Group(p1);
+        assertEquals("adding Point;", Log.getString());
+    }
+
+    public void testCreateWithoutPointLog() {
+	g = new Group(l1);
+        assertEquals("", Log.getString());
+    }
+
+    public void testAddPointLog() {
+	g.add(p1);
+        assertEquals("adding Point;", Log.getString());
+    }
+    public void testAddNonPointLog() {
+	g.add(l1);
+        assertEquals("", Log.getString());
+    }
+}