/**
 * This test ensures that range predicates with a BinData value:
 * 1) Return the correct documents.
 * 2) Can perform index-only data access.
 */
(function() {
'use strict';

load("jstests/libs/analyze_plan.js");

var coll = db.jstests_bindata_indexonly;

coll.drop();
assert.commandWorked(coll.insert({_id: BinData(0, "AAAAAAAAAAAAAAAAAAAAAAAAAAAA"), a: 1}));
assert.commandWorked(coll.insert({_id: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhv"), a: 2}));
assert.commandWorked(coll.insert({_id: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhz"), a: 3}));
assert.commandWorked(coll.insert({_id: BinData(0, "////////////////////////////"), a: 4}));
assert.commandWorked(coll.createIndex({_id: 1, a: 1}));

assert.throws(function() {
    db.mycoll.insert({_id: 0, a: BinData.prototype});
}, [], "bindata getter did not fail");

function testIndexOnlyBinData(blob) {
    var explain =
        coll.find({$and: [{_id: {$lte: BinData(0, blob)}}, {_id: {$gte: BinData(0, blob)}}]},
                  {_id: 1, a: 1})
            .hint({_id: 1, a: 1})
            .explain("executionStats");

    assert(isIndexOnly(db, explain.queryPlanner.winningPlan),
           "indexonly.BinData(0, " + blob + ") - must be index-only");
    assert.eq(1,
              explain.executionStats.nReturned,
              "EXACTone.BinData(0, " + blob + ") - should only return one in unique set");
}

testIndexOnlyBinData("AAAAAAAAAAAAAAAAAAAAAAAAAAAA");
testIndexOnlyBinData("AQAAAAEBAAVlbl9VSwAAAAAAAAhv");
testIndexOnlyBinData("AQAAAAEBAAVlbl9VSwAAAAAAAAhz");
testIndexOnlyBinData("////////////////////////////");

var explain;

explain = coll.find({_id: {$lt: BinData(0, "AAAAAAAAAAAAAAAAAAAAAAAAAAAA")}}, {_id: 1, a: 1})
              .hint({_id: 1, a: 1})
              .explain("executionStats");
assert(isIndexOnly(db, explain), "indexonly.$lt.1 - must be index-only");
assert.eq(
    0, explain.executionStats.nReturned, "correctcount.$lt.1 - not returning correct documents");

explain = coll.find({_id: {$gt: BinData(0, "////////////////////////////")}}, {_id: 1, a: 1})
              .hint({_id: 1, a: 1})
              .explain("executionStats");
assert(isIndexOnly(db, explain), "indexonly.$gt.2 - must be index-only");
assert.eq(
    0, explain.executionStats.nReturned, "correctcount.$gt.2 - not returning correct documents");

explain = coll.find({_id: {$lte: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhv")}}, {_id: 1, a: 1})
              .hint({_id: 1, a: 1})
              .explain("executionStats");
assert(isIndexOnly(db, explain), "indexonly.$lte.3 - must be index-only");
assert.eq(
    2, explain.executionStats.nReturned, "correctcount.$lte.3 - not returning correct documents");

explain = coll.find({_id: {$gte: BinData(0, "AQAAAAEBAAVlbl9VSwAAAAAAAAhz")}}, {_id: 1, a: 1})
              .hint({_id: 1, a: 1})
              .explain("executionStats");
assert(isIndexOnly(db, explain), "indexonly.$gte.3 - must be index-only");
assert.eq(
    2, explain.executionStats.nReturned, "correctcount.$gte.3 - not returning correct documents");

coll.drop();
})();