var t = db.geo_s2selfintersectingpoly; t.drop(); t.ensureIndex({geo: "2dsphere"}); var intersectingPolygon = { "type": "Polygon", "coordinates": [[[0.0, 0.0], [0.0, 4.0], [-3.0, 2.0], [1.0, 2.0], [0.0, 0.0]]] }; /* * Self intersecting polygons should cause a parse exception. */ assert.writeError(t.insert({geo: intersectingPolygon}));