var deviation = require('./');
var test = require('tape');
var polygon = require('turf-polygon');
var point = require('turf-point');
var featurecollection = require('turf-featurecollection');

test('deviation', function(t){
  var poly1 = polygon([[[0,0],[10,0],[10,10], [0,10]]]);
  var poly2 = polygon([[[10,0],[20,10],[20,20], [20,0]]]);
  var polyFC = featurecollection([poly1, poly2]);
  var pt1 = point(1,1, {population: 500});
  var pt2 = point(1,3, {population: 400});
  var pt3 = point(14,2, {population: 600});
  var pt4 = point(13,1, {population: 500});
  var pt5 = point(19,7, {population: 200}); 
  var ptFC = featurecollection([pt1, pt2, pt3, pt4, pt5]);

  var deviated = deviation(polyFC, ptFC, 'population', 'pop_dev');

  t.equal(deviated.features[0].geometry.type, 'Polygon');
  t.equal(deviated.features[0].properties.pop_dev, 50);

  t.end();
});
@@ -266,15 +266,20 @@
 10%5D,
- 
 %5B0,10%5D
+,%5B0,0%5D
 %5D%5D);
@@ -330,15 +330,21 @@
 20%5D,
- 
 %5B20,0%5D
+,%5B10,0%5D
 %5D%5D);
@@ -870,8 +870,9 @@
 d();%0A%7D);
+%0A

Fix polygons in test.js