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//
// Tests for N-dimensional polygon querying
//
t = db.geo_polygon1;
t.drop();
num = 0;
for ( x=1; x < 9; x++ ){
for ( y= 1; y < 9; y++ ){
o = { _id : num++ , loc : [ x , y ] };
t.save( o );
}
}
t.ensureIndex( { loc : "2d" } );
triangle = [[0,0], [1,1], [0,2]];
// Look at only a small slice of the data within a triangle
assert.eq( 1 , t.find( { loc: { "$within": { "$polygon" : triangle }}} ).count() , "Triangle Test" );
boxBounds = [ [0,0], [0,10], [10,10], [10,0] ];
assert.eq( num , t.find( { loc : { "$within" : { "$polygon" : boxBounds } } } ).count() , "Bounding Box Test" );
//Make sure we can add object-based polygons
assert.eq( num, t.find( { loc : { $within : { $polygon : { a : [-10, -10], b : [-10, 10], c : [10, 10], d : [10, -10] } } } } ).count() )
// Look in a box much bigger than the one we have data in
boxBounds = [[-100,-100], [-100, 100], [100,100], [100,-100]];
assert.eq( num , t.find( { loc : { "$within" : { "$polygon" : boxBounds } } } ).count() , "Big Bounding Box Test" );
t.drop();
pacman = [
[0,2], [0,4], [2,6], [4,6], // Head
[6,4], [4,3], [6,2], // Mouth
[4,0], [2,0] // Bottom
];
t.save({loc: [1,3] }); // Add a point that's in
t.ensureIndex( { loc : "2d" } );
assert.isnull( db.getLastError() )
assert.eq( 1 , t.find({loc : { $within : { $polygon : pacman }}} ).count() , "Pacman single point" );
t.save({ loc : [5, 3] }) // Add a point that's out right in the mouth opening
t.save({ loc : [3, 7] }) // Add a point above the center of the head
t.save({ loc : [3,-1] }) // Add a point below the center of the bottom
assert.eq( 1 , t.find({loc : { $within : { $polygon : pacman }}} ).count() , "Pacman double point" );
// Make sure we can't add bad polygons
okay = true
try{
t.find( { loc : { $within : { $polygon : [1, 2] } } } ).toArray()
okay = false
}
catch(e){}
assert(okay)
try{
t.find( { loc : { $within : { $polygon : [[1, 2]] } } } ).toArray()
okay = false
}
catch(e){}
assert(okay)
try{
t.find( { loc : { $within : { $polygon : [[1, 2], [2, 3]] } } } ).toArray()
okay = false
}
catch(e){}
assert(okay)
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