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// 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();
});
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