@Test // (timeout = 10000)
public void testIteration() {
HTreeMap m =
new HTreeMap<Integer, Integer>(recman, true) {
@Override
protected int hash(Object key) {
return (Integer) key;
}
};
final int max = 140;
final int inc = 111111;
for (Integer i = 0; i < max; i++) {
m.put(i, i + inc);
}
Iterator<Integer> keys = m.keySet().iterator();
for (Integer i = 0; i < max; i++) {
assertTrue(keys.hasNext());
assertEquals(i, keys.next());
}
assertTrue(!keys.hasNext());
Iterator<Integer> vals = m.values().iterator();
for (Integer i = inc; i < max + inc; i++) {
assertTrue(vals.hasNext());
assertEquals(i, vals.next());
}
assertTrue(!vals.hasNext());
// great it worked, test stuff spread across segments
m.clear();
assertTrue(m.isEmpty());
for (int i = 0; i < max; i++) {
m.put((1 << 30) + i, i + inc);
m.put((2 << 30) + i, i + inc);
m.put((3 << 30) + i, i + inc);
}
assertEquals(max * 3, m.size());
int countSegments = 0;
for (long segmentRecid : m.segmentRecids) {
if (recman.recordGet(segmentRecid, HTreeMap.DIR_SERIALIZER) != null) countSegments++;
}
assertEquals(3, countSegments);
keys = m.keySet().iterator();
for (int i = 1; i <= 3; i++) {
for (int j = 0; j < max; j++) {
assertTrue(keys.hasNext());
assertEquals(Integer.valueOf((i << 30) + j), keys.next());
}
}
assertTrue(!keys.hasNext());
}
@Test
public void clear() {
HTreeMap m = new HTreeMap(recman, true);
for (Integer i = 0; i < 100; i++) {
m.put(i, i);
}
m.clear();
assertTrue(m.isEmpty());
assertEquals(0, m.size());
}