// Test that when user flags are set on a collection,
// then collection is sharded, flags get carried over.
(function() {

if (jsTest.options().storageEngine === "mmapv1") {
    // the dbname and collection we'll be working with
    var dbname = "testDB";
    var coll = "userFlagsColl";
    var ns = dbname + "." + coll;

    // First create fresh collection on a new standalone mongod
    var newShardConn = MongoRunner.runMongod({});
    var db1 = newShardConn.getDB( dbname );
    var t = db1.getCollection( coll );
    print(t);
    db1.getCollection( coll ).drop(); //in case collection already existed
    db1.createCollection( coll );

    // Then verify the new collection has userFlags set to 0
    var collstats = db1.getCollection( coll ).stats();
    print( "*************** Fresh Collection Stats ************" );
    printjson( collstats );
    assert.eq( collstats.userFlags , 1 , "fresh collection doesn't have userFlags = 1 ");

    // Now we modify the collection with the usePowerOf2Sizes flag
    var res = db1.runCommand( { "collMod" : coll ,  "usePowerOf2Sizes" : false } );
    assert.eq( res.ok , 1 , "collMod failed" );

    // and insert some stuff, for the hell of it
    var numdocs = 20;
    for( i=0; i < numdocs; i++){
        assert.writeOK(db1.getCollection( coll ).insert({ _id : i }));
    }

    // Next verify that userFlags has changed to 0
    collstats = db1.getCollection( coll ).stats();
    print( "*************** Collection Stats After CollMod ************" );
    printjson( collstats );
    assert.eq( collstats.userFlags , 0 , "modified collection should have userFlags = 0 ");

    // start up a new sharded cluster, and add previous mongod
    var s = new ShardingTest({ name: "user_flags", shards: 1 });
    assert( s.admin.runCommand( { addshard: newShardConn.host , name: "myShard" } ).ok,
            "did not accept new shard" );

    // enable sharding of the collection. Only 1 chunk initially, so move it to
    // other shard to create the collection on that shard
    s.adminCommand( { enablesharding : dbname } );
    s.adminCommand( { shardcollection : ns , key: { _id : 1 } } );
    s.adminCommand({ moveChunk: ns, find: { _id: 1 },
                     to: "shard0000", _waitForDelete: true });

    print( "*************** Collection Stats On Other Shard ************" );
    var shard2 = s._connections[0].getDB( dbname );
    shard2stats = shard2.getCollection( coll ).stats();
    printjson( shard2stats );

    assert.eq( shard2stats.count , numdocs , "moveChunk didn't succeed" );
    assert.eq( shard2stats.userFlags , 0 , "new shard should also have userFlags = 0 ");

    MongoRunner.stopMongod(newShardConn);
    s.stop();
}

})();