/** Maps with same contents are equal */
public void testEquals() {
ConcurrentNavigableMap map1 = map5();
ConcurrentNavigableMap map2 = map5();
assertEquals(map1, map2);
assertEquals(map2, map1);
map1.clear();
assertFalse(map1.equals(map2));
assertFalse(map2.equals(map1));
}
/** A deserialized map equals original */
public void testSerialization() throws Exception {
ConcurrentNavigableMap q = map5();
ByteArrayOutputStream bout = new ByteArrayOutputStream(10000);
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(bout));
out.writeObject(q);
out.close();
ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(bin));
ConcurrentNavigableMap r = (ConcurrentNavigableMap) in.readObject();
assertEquals(q.size(), r.size());
assertTrue(q.equals(r));
assertTrue(r.equals(q));
}