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// Tests splitting a chunk twice
(function() {
var s = new ShardingTest({name: "shard_keycount", shards: 2, mongos: 1, other: {chunkSize: 1}});
dbName = "test";
collName = "foo";
ns = dbName + "." + collName;
db = s.getDB(dbName);
for (var i = 0; i < 10; i++) {
db.foo.insert({_id: i});
}
// Enable sharding on DB
s.adminCommand({enablesharding: dbName});
s.ensurePrimaryShard(dbName, 'shard0001');
// Enable sharding on collection
s.adminCommand({shardcollection: ns, key: {_id: 1}});
// Split into two chunks
s.adminCommand({split: ns, find: {_id: 3}});
coll = db.getCollection(collName);
// Split chunk again
s.adminCommand({split: ns, find: {_id: 3}});
coll.update({_id: 3}, {_id: 3});
// Split chunk again
s.adminCommand({split: ns, find: {_id: 3}});
coll.update({_id: 3}, {_id: 3});
// Split chunk again
// FAILS since the key count is based on the full index, not the chunk itself
// i.e. Split point calc'd is 5 key offset (10 documents), but only four docs
// in chunk with bounds _id : 0 => 5
s.adminCommand({split: ns, find: {_id: 3}});
s.stop();
});
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