Point, linestring, and linearring coordinates as Float32Array

test/spec/ol/geom/polygon.test.js

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+describe('ol.geom.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]];
+
+  describe('constructor', function() {
+
+    it('creates a polygon from an array', function() {
+      var poly = new ol.geom.Polygon([outer, inner1, inner2]);
+      expect(poly).toBeA(ol.geom.Polygon);
+    });
+
+    it('throws when given mismatched dimension', function() {
+      expect(function() {
+        var poly = new ol.geom.Polygon([[[10, 20], [30, 40, 50]]]);
+      }).toThrow();
+    });
+
+  });
+
+  describe('rings', function() {
+
+    it('is an array of LinearRing', function() {
+      var poly = new ol.geom.Polygon([outer, inner1, inner2]);
+
+      expect(poly.rings.length).toBe(3);
+      expect(poly.rings[0]).toBeA(ol.geom.LinearRing);
+      expect(poly.rings[1]).toBeA(ol.geom.LinearRing);
+      expect(poly.rings[2]).toBeA(ol.geom.LinearRing);
+    });
+
+  });
+
+  describe('dimension', function() {
+
+    it('can be 2', function() {
+      var poly = new ol.geom.Polygon([outer, inner1, inner2]);
+      expect(poly.dimension).toBe(2);
+    });
+
+    it('can be 3', function() {
+      var poly = new ol.geom.Polygon([[[10, 20, 30], [40, 50, 60]]]);
+      expect(poly.dimension).toBe(3);
+    });
+
+  });
+
+
+});
+