Addendum to the original contribution from PARC. Three presentations:

oneHour talk
three hour tutorial
six hour tutorial including exercises

1 files changed, 84 insertions, 0 deletions

diff --git a/docs/teaching/exercises/tests/Test4c.java b/docs/teaching/exercises/tests/Test4c.java
new file mode 100644
index 000000000..b5bf8f708
--- /dev/null
+++ b/docs/teaching/exercises/tests/Test4c.java
@@ -0,0 +1,84 @@
+/* *******************************************************************
+ * 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 java.awt.Rectangle;
+
+import junit.framework.*;
+
+public class Test4c extends Test {
+
+    public Test4c(String name) { super(name); }
+
+    public static void main(String[] args) {
+        junit.textui.TestRunner.run(Test4c.class);
+    }
+
+    public void setUp() {
+        super.setUp();
+    }
+
+    public void testBasicEquality() {
+	assertTrue(g.getBounds() == g.getBounds());
+    }
+
+    public void testEqualityAfterAddition() {
+	Point p0 = new Point(1, 2);
+	Point p1 = new Point(2, 3);
+
+	Group g0 = new Group(p0);
+	Group g1 = new Group(p1);
+
+	Rectangle r0 = g0.getBounds();
+	Rectangle r1 = g1.getBounds();
+	assertTrue(r0 != r1);
+	g0.add(new Point(37, 90));
+	assertTrue(g0.getBounds() == r0);
+	assertTrue(g1.getBounds() != r0);
+	assertTrue(g0.getBounds() != r1);
+	assertTrue(g1.getBounds() == r1);
+
+	g1.add(new Point(4, 8));
+	assertTrue(g0.getBounds() == r0);
+	assertTrue(g1.getBounds() != r0);
+	assertTrue(g0.getBounds() != r1);
+	assertTrue(g1.getBounds() == r1);
+    }
+
+    public void testEqualityAfterMove() {
+	Point p0 = new Point(1, 2);
+	Point p1 = new Point(2, 3);
+
+	Group g0 = new Group(p0);
+	Group g1 = new Group(p1);
+
+	Rectangle r0 = g0.getBounds();
+	Rectangle r1 = g1.getBounds();
+	assertTrue(r0 != r1);
+	assertTrue(g0.getBounds() == r0);
+	assertTrue(g1.getBounds() != r0);
+	assertTrue(g0.getBounds() != r1);
+	assertTrue(g1.getBounds() == r1);
+
+	g0.move(3, 1);
+	Rectangle r00 = g0.getBounds();
+	Rectangle r10 = g1.getBounds();
+
+	assertTrue(r10 != r00);
+	assertTrue(r0 != r00);
+	assertTrue(g0.getBounds() == r00);
+    }
+}
+
+