private void testIterate() {
String fileName = getBaseDir() + "/testIterate.h3";
FileUtils.delete(fileName);
MVStore s = openStore(fileName);
MVMap<Integer, String> m = s.openMap("data", Integer.class, String.class);
Iterator<Integer> it = m.keyIterator(null);
assertFalse(it.hasNext());
for (int i = 0; i < 10; i++) {
m.put(i, "hello " + i);
}
s.store();
it = m.keyIterator(null);
it.next();
assertThrows(UnsupportedOperationException.class, it).remove();
it = m.keyIterator(null);
for (int i = 0; i < 10; i++) {
assertTrue(it.hasNext());
assertEquals(i, it.next().intValue());
}
assertFalse(it.hasNext());
assertNull(it.next());
for (int j = 0; j < 10; j++) {
it = m.keyIterator(j);
for (int i = j; i < 10; i++) {
assertTrue(it.hasNext());
assertEquals(i, it.next().intValue());
}
assertFalse(it.hasNext());
}
s.close();
}
private void testRandom() {
String fileName = getBaseDir() + "/testRandom.h3";
FileUtils.delete(fileName);
MVStore s = openStore(fileName);
MVMap<Integer, Integer> m = s.openMap("data", Integer.class, Integer.class);
TreeMap<Integer, Integer> map = new TreeMap<Integer, Integer>();
Random r = new Random(1);
int operationCount = 1000;
int maxValue = 30;
Integer expected, got;
for (int i = 0; i < operationCount; i++) {
int k = r.nextInt(maxValue);
int v = r.nextInt();
boolean compareAll;
switch (r.nextInt(3)) {
case 0:
log(i + ": put " + k + " = " + v);
expected = map.put(k, v);
got = m.put(k, v);
if (expected == null) {
assertNull(got);
} else {
assertEquals(expected, got);
}
compareAll = true;
break;
case 1:
log(i + ": remove " + k);
expected = map.remove(k);
got = m.remove(k);
if (expected == null) {
assertNull(got);
} else {
assertEquals(expected, got);
}
compareAll = true;
break;
default:
Integer a = map.get(k);
Integer b = m.get(k);
if (a == null || b == null) {
assertTrue(a == b);
} else {
assertEquals(a.intValue(), b.intValue());
}
compareAll = false;
break;
}
if (compareAll) {
Iterator<Integer> it = m.keyIterator(null);
Iterator<Integer> itExpected = map.keySet().iterator();
while (itExpected.hasNext()) {
assertTrue(it.hasNext());
expected = itExpected.next();
got = it.next();
assertEquals(expected, got);
}
assertFalse(it.hasNext());
}
}
s.close();
}