Add geojson module in io package

test/ol.html

@@ -80,6 +80,7 @@
   <script type="text/javascript" src="spec/ol/rectangle.test.js"></script>
   <script type="text/javascript" src="spec/ol/resolutionconstraint.test.js"></script>
   <script type="text/javascript" src="spec/ol/view2d.test.js"></script>
+  <script type="text/javascript" src="spec/ol/io/geojson.test.js"></script>
   <script type="text/javascript" src="spec/ol/geom/linearring.test.js"></script>
   <script type="text/javascript" src="spec/ol/geom/linestring.test.js"></script>
   <script type="text/javascript" src="spec/ol/geom/point.test.js"></script>

test/spec/ol/io/geojson.test.js

@@ -0,0 +1,65 @@
+describe('ol.io.geojson', function() {
+
+  describe('read()', function() {
+
+    it('parses point', function() {
+      var str = JSON.stringify({
+        type: 'Point',
+        coordinates: [10, 20]
+      });
+
+      var obj = ol.io.geojson.read(str);
+      expect(obj).toBeA(ol.geom.Point);
+      expect(obj.coordinates[0]).toBe(10);
+      expect(obj.coordinates[1]).toBe(20);
+    });
+
+    it('parses linestring', function() {
+      var str = JSON.stringify({
+        type: 'LineString',
+        coordinates: [[10, 20], [30, 40]]
+      });
+
+      var obj = ol.io.geojson.read(str);
+      expect(obj).toBeA(ol.geom.LineString);
+      expect(obj.coordinates[0]).toBe(10);
+      expect(obj.coordinates[1]).toBe(20);
+      expect(obj.coordinates[2]).toBe(30);
+      expect(obj.coordinates[3]).toBe(40);
+    });
+
+    it('parses polygon', function() {
+      var outer = [[0, 0], [10, 0], [10, 10], [0, 10], [0, 0]],
+          inner1 = [[1, 1], [2, 1], [2, 2], [1, 2], [1, 1]],
+          inner2 = [[8, 8], [9, 8], [9, 9], [8, 9], [8, 8]],
+          str = JSON.stringify({
+            type: 'Polygon',
+            coordinates: [outer, inner1, inner2]
+          });
+
+      var obj = ol.io.geojson.read(str);
+      expect(obj).toBeA(ol.geom.Polygon);
+      expect(obj.rings.length).toBe(3);
+      expect(obj.rings[0]).toBeA(ol.geom.LinearRing);
+      expect(obj.rings[1]).toBeA(ol.geom.LinearRing);
+      expect(obj.rings[2]).toBeA(ol.geom.LinearRing);
+    });
+
+    it('parses geometry collection', function() {
+      var str = JSON.stringify({
+        type: 'GeometryCollection',
+        geometries: [
+          {type: 'Point', coordinates: [10, 20]},
+          {type: 'LineString', coordinates: [[30, 40], [50, 60]]}
+        ]
+      });
+
+      var array = ol.io.geojson.read(str);
+      expect(array.length).toBe(2);
+      expect(array[0]).toBeA(ol.geom.Point);
+      expect(array[1]).toBeA(ol.geom.LineString);
+    });
+
+  });
+
+});