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a = db.getSisterDB("delxa" )
b = db.getSisterDB("delxb" )

function setup( mydb ){
    mydb.dropDatabase();
    for ( i=0; i<100; i++ ){
        mydb.foo.insert( { _id : i } );
    }
}

setup( a );
setup( b );

assert.eq( 100 , a.foo.find().itcount() , "A1" )
assert.eq( 100 , b.foo.find().itcount() , "A2" )

x = a.foo.find().sort( { _id : 1 } ).batchSize( 60 )
y = b.foo.find().sort( { _id : 1 } ).batchSize( 60 )

x.next();
y.next();

a.foo.remove( { _id : { $gt : 50 } } );

assert.eq( 51 , a.foo.find().itcount() , "B1" )
assert.eq( 100 , b.foo.find().itcount() , "B2" )

xCount = x.itcount();
assert( xCount == 59 || xCount == 99, "C1 : " + xCount ); // snapshot or not is ok
assert.eq( 99 , y.itcount() , "C2" );  // this was asserting because ClientCursor byLoc doesn't take db into consideration