// Cases with double dotted index field names.
t.drop();
index = { 'a.b.x':1, 'a.b.y':1 };
t.ensureIndex( index );
t.save( { a:{ b:{ x:1, y:1 } } } );
t.save( { a:[ { b:{ x:1 } }, { b:{ y:1 } } ] } );
t.save( { a:[ { b:[ { x:1 }, { y:1 } ] } ] } );
t.save( { a:[ { b:[ { x:1, y:1 } ] } ] } );
assert.eq( 4, t.count() );
// No $elemMatch.
assertResultsAndIndexBounds( { 'a.b.x':[[ 1, 1 ]], 'a.b.y':[[ MIN, MAX ]] },
                             { 'a.b.x':1, 'a.b.y':1 } );
// $elemMatch with dotted children.
assertResultsAndIndexBounds( { 'a.b.x':[[ 1, 1 ]], 'a.b.y':[[ MIN, MAX ]] },
                             { a:{ $elemMatch:{ 'b.x':1, 'b.y':1 } } } );
// $elemMatch with undotted children.
assertResultsAndIndexBounds( { 'a.b.x':[[ 1, 1 ]], 'a.b.y':[[ 1, 1 ]] },
                             { 'a.b':{ $elemMatch:{ x:1, y:1 } } } );

 
db.test.insert({"code" : "000001", doc : [ {"code1" : "000001", "type" : { "subtype" : [ "1" ,"3" ]}}]});
db.test.insert({"code" : "000002", doc : [ {"code1" : "000001", "type" : { "subtype" : [ "1" ]}}]});
db.test.insert({"code" : "000003", doc : [ {"code1" : "000001", "type" : { "subtype" : [ "1", "2"] }}]});
db.test.insert({"code" : "000004", doc : [ {"code1" : "000001", "type" : { "subtype" : [ "2" ]}}, {"code1" : "000002", "type" : { "subtype" : [ "3" ]}} ]});
db.test.insert({"code" : "000005", doc : [ {"code1" : "000001", "type" : { "subtype" : [ ]}}]});
db.test.insert({"code" : "000006", doc : [ {"code1" : "000001", "type" : { "subtype" : [ "3" ]}}]});
db.test.insert({"code" : "000007", doc : [ {"code1" : "000001" }]});
 
db.test.insert({"code" : "000001", doc : [ {"code1" : "000002", "type" : { "subtype" : [ "1" ,"3" ]}}]});
db.test.insert({"code" : "000002", doc : [ {"code1" : "000002", "type" : { "subtype" : [ "1" ]}}]});
db.test.insert({"code" : "000003", doc : [ {"code1" : "000002", "type" : { "subtype" : [ "1", "2"] }}]});
db.test.insert({"code" : "000004", doc : [ {"code1" : "000002", "type" : { "subtype" : [ "2" ]}}, {"code1" : "000001", "type" : { "subtype" : [ "3" ]}} ]});
db.test.insert({"code" : "000005", doc : [ {"code1" : "000002", "type" : { "subtype" : [ ]}}]});
db.test.insert({"code" : "000006", doc : [ {"code1" : "000002", "type" : { "subtype" : [ "3" ]}}]});
db.test.insert({"code" : "000007", doc : [ {"code1" : "000002" }]});
 
db.test.insert({"code" : "000001", doc : [ {"code1" : "000003", "type" : { "subtype" : [ "1" ,"3" ]}}]});
db.test.insert({"code" : "000002", doc : [ {"code1" : "000003", "type" : { "subtype" : [ "1" ]}}]});
db.test.insert({"code" : "000003", doc : [ {"code1" : "000003", "type" : { "subtype" : [ "1", "2"] }}]});
db.test.insert({"code" : "000004", doc : [ {"code1" : "000003", "type" : { "subtype" : [ "2" ]}}]});
db.test.insert({"code" : "000005", doc : [ {"code1" : "000003", "type" : { "subtype" : [ ]}}]});
db.test.insert({"code" : "000006", doc : [ {"code1" : "000003", "type" : { "subtype" : [ "3" ]}}]});
db.test.insert({"code" : "000007", doc : [ {"code1" : "000003" }]});
db.test.ensureIndex( { "doc.code1": 1, "doc.type.subtype": -1, "code": -1 }, { unique: false, sparse: false, background: true, name: "index_test"} )
 
db.test.find( { "doc" : { "$elemMatch" : { "code1" : { "$in" :[ "000001", "000003" ] }, "type.subtype" : "2" } } } ).explain()
{
    "cursor" : "BtreeCursor index_test multi",
    "isMultiKey" : true,
    "n" : 4,
    "nscannedObjects" : 19,
    "nscanned" : 20,
    "nscannedObjectsAllPlans" : 39,
    "nscannedAllPlans" : 40,
    "scanAndOrder" : false,
    "indexOnly" : false,
    "nYields" : 0,
    "nChunkSkips" : 0,
    "millis" : 0,
    "indexBounds" : {
        "doc.code1" : [
            [
                "000001",
                "000001"
            ],
            [
                "000003",
                "000003"
            ]
        ],
        "doc.type.subtype" : [
            [
                {
                    "$maxElement" : 1
                },
                {
                    "$minElement" : 1
                }
            ]
        ],
        "code" : [
            [
                {
                    "$maxElement" : 1
                },
                {
                    "$minElement" : 1
                }
            ]
        ]
    },
    "server" : "xxx:27017"
}