void buildCollection() {
BSONObj info;
// Create a collection with specified extent sizes
BSONObj command = BSON( "create" << collname() << "capped" << true <<
"$nExtents" << extentSizes() << "autoIndexId" << false );
ASSERT(client()->runCommand(dbname(), command, info));
// Populate documents.
for(int i = 0; i < numDocs(); ++i) {
client()->insert(ns(), BSON( "_id" << i << "ts" << i << "payload" << payload8k() ));
}
}
/**
* Increases a document's size dramatically such that the document
* exceeds the available padding and must be moved to the end of
* the collection.
*/
void forceDocumentMove() {
BSONObj query = BSON("_id" << 2);
BSONObj updateSpec = BSON("$set" << BSON("payload" << payload8k()));
update(query, updateSpec);
}
