// If polygons have holes, the holes cannot be equal to the entire geometry.
var t = db.geo_s2holessameasshell;
t.drop();
t.createIndex({geo: "2dsphere"});

var centerPoint = {"type": "Point", "coordinates": [0.5, 0.5]};
var edgePoint = {"type": "Point", "coordinates": [0, 0.5]};
var cornerPoint = {"type": "Point", "coordinates": [0, 0]};

// Various "edge" cases.  None of them should be returned by the non-polygon
// polygon below.
t.insert({geo: centerPoint});
t.insert({geo: edgePoint});
t.insert({geo: cornerPoint});

// This generates an empty covering.
var polygonWithFullHole = {
    "type": "Polygon",
    "coordinates":
        [[[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]], [[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]]]
};

// No keys for insert should error.
assert.writeError(t.insert({geo: polygonWithFullHole}));

// No covering to search over should give an empty result set.
assert.throws(function() {
    return t.find({geo: {$geoWithin: {$geometry: polygonWithFullHole}}}).count();
});

// Similar polygon to the one above, but is covered by two holes instead of
// one.
var polygonWithTwoHolesCoveringWholeArea = {
    "type": "Polygon",
    "coordinates": [
        [[0, 0], [0, 1], [1, 1], [1, 0], [0, 0]],
        [[0, 0], [0, 0.5], [1, 0.5], [1, 0], [0, 0]],
        [[0, 0.5], [0, 1], [1, 1], [1, 0.5], [0, 0.5]]
    ]
};

// No keys for insert should error.
assert.writeError(t.insert({geo: polygonWithTwoHolesCoveringWholeArea}));

// No covering to search over should give an empty result set.
assert.throws(function() {
    return t.find({geo: {$geoWithin: {$geometry: polygonWithTwoHolesCoveringWholeArea}}}).count();
});
