assertTrue("Returned collection of incorrect size", vals.size() == 598);
assertEquals(598,vals.toArray().length);
myTreeMap.put(600, objArray[600]);
// Test for method values() in subMaps
vals = myTreeMap.descendingMap().tailMap(400).values();
assertEquals("Returned collection of incorrect size", vals.size(), 401);
for (int i = 0; i <= 400; i++) {
assertTrue("Collection contains incorrect elements "+i, vals
.contains(objArray[i]));
}