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diff --git a/docs/teaching/exercises/tests/Test2a.java b/docs/teaching/exercises/tests/Test2a.java
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+++ b/docs/teaching/exercises/tests/Test2a.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 junit.framework.*;
+
+public class Test2a extends Test {
+    public Test2a(String name) { super(name); }
+
+    public static void main(String[] args) {
+        junit.textui.TestRunner.run(Test2a.class);
+    }
+
+    public void setUp() {
+        super.setUp();
+    }
+
+    public void testTooSmall() {
+        try {
+            p1.setX(-10);
+            fail("should have thrown IllegalArgumentException");
+        } catch (IllegalArgumentException ea) {
+        }
+    }
+
+
+    public void testTooBig() {
+        try {
+            p1.setY(1000);
+            fail("should have thrown IllegalArgumentException");
+        } catch (IllegalArgumentException ea) {
+        }
+    }
+
+
+    public void testMove() {
+        try {
+            l1.move(-500, -500);
+            fail("should have thrown IllegalArgumentException");
+        } catch (IllegalArgumentException ea) {
+        }
+    }
+}