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// minimal test to check handling of batch size when explain info is requested
// expected behavior is to return explain.n = total number of documents matching query
// batch size is also tested in another smoke test jstest/explain1.js but that test
// also covers the use of an indexed collection and includes a couple of test cases
// using limit()
//
// @tags: [requires_fastcount]
t = db.explain_batch_size;
t.drop();
var n = 3;
for (i = 0; i < n; i++) {
t.save({x: i});
}
var q = {};
assert.eq(n, t.find(q).count(), "A");
assert.eq(n, t.find(q).itcount(), "B");
assert.eq(n, t.find(q).batchSize(1).explain("executionStats").executionStats.nReturned, "C");
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