@Test
public void testBatchWithActiveCursor() {
DBCollection c = _db.getCollection("testBatchWithActiveCursor");
c.drop();
for (int i = 0; i < 100; i++) c.save(new BasicDBObject("x", i));
try {
DBCursor cursor = c.find().batchSize(2); // setting to 1, actually sets to 2 (why, oh why?)
cursor.next(); // creates real cursor on server.
cursor.next();
assertEquals(0, cursor.numGetMores());
cursor.next();
assertEquals(1, cursor.numGetMores());
cursor.next();
cursor.next();
assertEquals(2, cursor.numGetMores());
cursor.next();
cursor.next();
assertEquals(3, cursor.numGetMores());
cursor.batchSize(20);
cursor.next();
cursor.next();
cursor.next();
assertEquals(4, cursor.numGetMores());
} catch (IllegalStateException e) {
assertNotNull(e); // there must be a better way to detect this.
}
}
