var t = db.geo_s2weirdpolys; t.drop(); t.ensureIndex({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]}; t.insert({geo : centerPoint}); t.insert({geo : edgePoint}); t.insert({geo : cornerPoint}); var polygonWithNoHole = {"type" : "Polygon", "coordinates": [ [[0,0], [0,1], [1, 1], [1, 0], [0, 0]] ] }; // Test 1: Sanity check. Expect all three points. var sanityResult = t.find({geo: {$within: {$geometry: polygonWithNoHole}}}); assert.eq(sanityResult.itcount(), 3); // Test 2: Polygon with a hole that isn't contained byt the poly shell. var polygonWithProtrudingHole = {"type" : "Polygon", "coordinates": [ [[0,0], [0,1], [1, 1], [1, 0], [0, 0]], [[0.4,0.9], [0.4,1.1], [0.5, 1.1], [0.5, 0.9], [0.4, 0.9]] ] }; // Bad shell, should error. t.insert({geo: polygonWithProtrudingHole}); assert(db.getLastError()); // Can't search with bogus poly. assert.throws(function() { return t.find({geo: {$within: {$geometry: polygonWithProtrudingHole}}}).itcount() }) // Test 3: This test will confirm that a polygon with overlapping holes throws // an error. var polyWithOverlappingHoles = {"type" : "Polygon", "coordinates": [ [[0,0], [0,1], [1, 1], [1, 0], [0, 0]], [[0.2,0.6], [0.2,0.9], [0.6, 0.9], [0.6, 0.6], [0.2, 0.6]], [[0.5,0.4], [0.5,0.7], [0.8, 0.7], [0.8, 0.4], [0.5, 0.4]] ] }; t.insert({geo: polyWithOverlappingHoles}); assert(db.getLastError());