assertEquals("The number of persistence units is incorrect.", 4, info.length);
PersistenceUnitInfo noExclude = info[0];
assertNotNull("noExclude should not be null.", noExclude);
assertEquals("noExclude name is not correct.", "NoExcludeElement", noExclude.getPersistenceUnitName());
assertFalse("Exclude unlisted should default false in 1.0.", noExclude.excludeUnlistedClasses());
PersistenceUnitInfo emptyExclude = info[1];
assertNotNull("emptyExclude should not be null.", emptyExclude);
assertEquals("emptyExclude name is not correct.", "EmptyExcludeElement", emptyExclude.getPersistenceUnitName());
assertTrue("emptyExclude should be true.", emptyExclude.excludeUnlistedClasses());