public void testDefragLinkedList() throws Exception {
String file = newTestFile();
DBStore r = new DBStore(file, false, false, false);
List l = r.createLinkedList("test");
Map<Long, Double> junk = new LinkedHashMap<Long, Double>();
for (int i = 0; i < 1e4; i++) {
// insert some junk
Double d = Math.random();
l.add(d);
junk.put(r.insert(d), d);
}
r.commit();
// make copy of linked list
List l2 = new ArrayList(l);
long oldRecCount = r.countRecords();
r.defrag(true);
r.close();
r = new DBStore(file, false, false, false);
assertEquals(oldRecCount, r.countRecords());
// compare that list was unchanged
assertEquals(l2, new ArrayList(r.getLinkedList("test")));
// and check that random junk still have the same recids
for (Long recid : junk.keySet()) {
assertEquals(junk.get(recid), r.fetch(recid));
}
r.close();
}
