//SERVER-5127, SERVER-5036 function makeNestObj(depth){ toret = { a : 1}; for(i = 1; i < depth; i++){ toret = {a : toret}; } return toret; } t = db.objNestTest; t.drop(); t.ensureIndex({a:1}); nestedObj = makeNestObj(500); t.insert( { tst : "test1", a : nestedObj }, true ); t.insert( { tst : "test2", a : nestedObj }, true ); t.insert( { tst : "test3", a : nestedObj }, true ); assert.eq(3, t.count(), "records in collection"); assert.eq(1, t.find({tst : "test2"}).count(), "find test"); //make sure index insertion failed (nesting must be large enough) assert.eq(0, t.find().hint({a:1}).explain().n, "index not empty"); print("Test succeeded!")