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var t = db.geod;
t.drop();
t.save({loc: [0, 0]});
t.save({loc: [0.5, 0]});
t.createIndex({loc: "2d"});
// do a few geoNears with different maxDistances.  The first iteration
// should match no points in the dataset.
// @tags: [
//   sbe_incompatible,
// ]
dists = [.49, .51, 1.0];
for (idx in dists) {
    b = db.geod
            .aggregate([
                {$geoNear: {near: [1, 0], distanceField: "d", maxDistance: dists[idx]}},
                {$limit: 2},
            ])
            .toArray();
    assert.eq(b.length, idx, "B" + idx);
}