//
// Tests 2dsphere with descending fields, ensures correct lookup
//

var coll = db.getCollection("twodspheredesc");

var descriptors = [["field1", -1], ["field2", -1], ["coordinates", "2dsphere"]];
var docA = {field1: "a", field2: 1, coordinates: [-118.2400013, 34.073893]};
var docB = {field1: "b", field2: 1, coordinates: [-118.2400012, 34.073894]};

// Try both regular and near index cursors
var query = {
    coordinates: {$geoWithin: {$centerSphere: [[-118.240013, 34.073893], 0.44915760491198753]}}
};
var queryNear = {coordinates: {$geoNear: {"type": "Point", "coordinates": [0, 0]}}};

//
// The idea here is we try "2dsphere" indexes in combination with descending
// other fields in various
// positions and ensure that we return correct results.
//

for (var t = 0; t < descriptors.length; t++) {
    var descriptor = {};
    for (var i = 0; i < descriptors.length; i++) {
        descriptor[descriptors[i][0]] = descriptors[i][1];
    }

    jsTest.log("Trying 2dsphere index with descriptor " + tojson(descriptor));

    coll.drop();
    coll.ensureIndex(descriptor);

    coll.insert(docA);
    coll.insert(docB);

    assert.eq(1, coll.count(Object.merge(query, {field1: "a"})));
    assert.eq(1, coll.count(Object.merge(query, {field1: "b"})));
    assert.eq(2, coll.count(Object.merge(query, {field2: 1})));
    assert.eq(0, coll.count(Object.merge(query, {field2: 0})));

    var firstEls = descriptors.splice(1);
    descriptors = firstEls.concat(descriptors);
}

//
// Data taken from previously-hanging result
//

jsTest.log("Trying case found in wild...");

coll.drop();
coll.ensureIndex({coordinates: "2dsphere", field: -1});
coll.insert({coordinates: [-118.240013, 34.073893]});
var query = {
    coordinates: {$geoWithin: {$centerSphere: [[-118.240013, 34.073893], 0.44915760491198753]}},
    field: 1
};

assert.eq(null, coll.findOne(query));
coll.remove({});
coll.insert({coordinates: [-118.240013, 34.073893], field: 1});
assert.neq(null, coll.findOne(query));

jsTest.log("Success!");
