// Test that the MaxBytesToReturnToClientAtOnce limit is enforced.

t = db.jstests_find9;
t.drop();

big = new Array(500000).toString();
for (i = 0; i < 20; ++i) {
    t.save({a: i, b: big});
}

// Check size limit with a simple query.
assert.eq(20, t.find({}, {a: 1}).objsLeftInBatch());  // Projection resizes the result set.
assert.gt(20, t.find().objsLeftInBatch());

// Check size limit on a query with an explicit batch size.
assert.eq(20, t.find({}, {a: 1}).batchSize(30).objsLeftInBatch());
assert.gt(20, t.find().batchSize(30).objsLeftInBatch());

for (i = 0; i < 20; ++i) {
    t.save({a: i, b: big});
}

// Check size limit with get more.
c = t.find().batchSize(30);
while (c.hasNext()) {
    assert.gt(20, c.objsLeftInBatch());
    c.next();
}