@Test
public void testCursorPutAndGet() throws Exception {
k1.putLong(0, 14);
v1.putLong(0, 15);
k2.putLong(0, 16);
v2.putLong(0, 17);
try (Transaction tx = env.createWriteTransaction()) {
try (Cursor cursor = db.openCursor(tx)) {
cursor.put(k1, v1, 0);
cursor.put(k2, v2, 0);
}
tx.commit();
}
DirectBuffer k = new DirectBuffer();
DirectBuffer v = new DirectBuffer();
try (Transaction tx = env.createReadTransaction()) {
try (Cursor cursor = db.openCursor(tx)) {
cursor.position(k, v, GetOp.FIRST);
assertThat(k.getLong(0), is(14L));
assertThat(v.getLong(0), is(15L));
cursor.position(k, v, GetOp.NEXT);
assertThat(k.getLong(0), is(16L));
assertThat(v.getLong(0), is(17L));
}
}
}
@Test
public void testIteration() {
k1.putLong(0, 18);
v1.putLong(0, 19);
k2.putLong(0, 20);
v2.putLong(0, 21);
db.put(k1, v1, 0);
db.put(k2, v2, 0);
List<Long> result = new ArrayList<>();
try (Transaction tx = env.createWriteTransaction()) {
try (Cursor cursor = db.openCursor(tx)) {
DirectBuffer k = new DirectBuffer();
DirectBuffer v = new DirectBuffer();
for (int rc = cursor.position(k, v, FIRST);
rc != NOTFOUND;
rc = cursor.position(k, v, NEXT)) {
result.add(k.getLong(0));
}
}
tx.commit();
}
assertThat(result.size(), is(2));
assertThat(result.get(0), is(18L));
assertThat(result.get(1), is(20L));
}
