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// Check that inserts to capped collections have the same order on primary and secondary.
// See SERVER-21483.
(function() {
"use strict";
var replTest = new ReplSetTest({name: 'capped_insert_order', nodes: 2});
replTest.startSet();
replTest.initiate();
var master = replTest.getPrimary();
var slave = replTest._slaves[0];
var dbName = "db";
var masterDb = master.getDB(dbName);
var slaveDb = slave.getDB(dbName);
var collectionName = "collection";
var masterColl = masterDb[collectionName];
var slaveColl = slaveDb[collectionName];
// Making a large capped collection to ensure that every document fits.
masterDb.createCollection(collectionName, {capped: true, size: 1024 * 1024});
// Insert 1000 docs with _id from 0 to 999 inclusive.
const nDocuments = 1000;
var batch = masterColl.initializeOrderedBulkOp();
for (var i = 0; i < nDocuments; i++) {
batch.insert({_id: i});
}
assert.writeOK(batch.execute());
replTest.awaitReplication();
function checkCollection(coll) {
assert.eq(coll.find().itcount(), nDocuments);
var i = 0;
coll.find().forEach(function(doc) {
assert.eq(doc._id, i);
i++;
});
assert.eq(i, nDocuments);
}
checkCollection(masterColl);
checkCollection(slaveColl);
replTest.stopSet();
})();
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