mongodb/jstests/noPassthroughWithMongod/geo_polygon.js

t = db.geo_polygon4;
t.drop();

num = 0;
var bulk = t.initializeUnorderedBulkOp();
for ( x = -180; x < 180; x += .5 ){
    for ( y = -180; y < 180; y += .5 ){
        o = { _id : num++ , loc : [ x , y ] };
        bulk.insert( o );
    }
}
assert.writeOK(bulk.execute());

var numTests = 31;
for( var n = 0; n < numTests; n++ ){
    t.dropIndexes()
    t.ensureIndex( { loc : "2d" }, { bits : 2 + n } );

    assert.between( 9 - 2 , t.find( { loc: { "$within": { "$polygon" : [[0,0], [1,1], [0,2]] }}} ).count() , 9, "Triangle Test", true);
    assert.eq( num , t.find( { loc : { "$within" : { "$polygon" : [ [-180,-180], [-180,180], [180,180], [180,-180] ] } } } ).count() , "Bounding Box Test" );

    assert.eq( 441 , t.find( { loc : { "$within" : { "$polygon" : [ [0,0], [0,10], [10,10], [10,0] ] } } } ).count() , "Square Test" );
    assert.eq( 25 , t.find( { loc : { "$within" : { "$polygon" : [ [0,0], [0,2], [2,2], [2,0] ] } } } ).count() , "Square Test 2" );

    if(1){ // SERVER-3726
    // Points exactly on diagonals may be in or out, depending on how the error calculating the slope falls.
    assert.between( 341 - 18 , t.find( { loc : { "$within" : { "$polygon" : [ [0,0], [0,10], [10,10], [10,0], [5,5] ] } } } ).count(), 341, "Square Missing Chunk Test", true );
    assert.between( 21 - 2 , t.find( { loc : { "$within" : { "$polygon" : [ [0,0], [0,2], [2,2], [2,0], [1,1] ] } } } ).count(), 21 , "Square Missing Chunk Test 2", true );
    }

    assert.eq( 1 , t.find( { loc: { "$within": { "$polygon" : [[0,0], [0,0], [0,0]] }}} ).count() , "Point Test" );

    // SERVER-3725
    {
    assert.eq( 5 , t.find( { loc: { "$within": { "$polygon" : [[0,0], [1,0], [2,0]] }}} ).count() , "Line Test 1" );
    assert.eq( 3 , t.find( { loc: { "$within": { "$polygon" : [[0,0], [0,0], [1,0]] }}} ).count() , "Line Test 2" );
    assert.eq( 5 , t.find( { loc: { "$within": { "$polygon" : [[0,2], [0,1], [0,0]] }}} ).count() , "Line Test 3" );
    }

    assert.eq( 3 , t.find( { loc: { "$within": { "$polygon" : [[0,1], [0,0], [0,0]] }}} ).count() , "Line Test 4" );
}