Files
mongo/jstests/core/query/single_batch.js
2024-12-27 12:42:24 +00:00

20 lines
562 B
JavaScript

// Test the "single batch" semantics of negative limit.
// @tags: [
// requires_getmore,
// ]
var coll = db.jstests_single_batch;
coll.drop();
// Approximately 1 MB.
var padding = new Array(1024 * 1024).join("x");
// Insert ~20 MB of data.
for (var i = 0; i < 20; i++) {
assert.commandWorked(coll.insert({_id: i, padding: padding}));
}
// The limit is 18, but we should end up with fewer documents since 18 docs won't fit in a
// single 16 MB batch.
var numResults = coll.find().limit(-18).itcount();
assert.lt(numResults, 18);
assert.gt(numResults, 0);