Move proj files so they are named like their provides

test/spec/ol/proj/epsg3857.test.js

@@ -0,0 +1,53 @@
+goog.provide('ol.test.proj.EPSG3857');
+
+
+describe('ol.proj.EPSG3857', function() {
+
+  afterEach(function() {
+    ol.proj.clearAllProjections();
+    ol.proj.common.add();
+  });
+
+  describe('getPointResolution', function() {
+
+    it('returns the correct point scale at the equator', function() {
+      // @see http://msdn.microsoft.com/en-us/library/aa940990.aspx
+      var epsg3857 = ol.proj.get('EPSG:3857');
+      var resolution = 19.11;
+      var point = [0, 0];
+      expect(epsg3857.getPointResolution(resolution, point)).
+          to.roughlyEqual(19.11, 1e-1);
+    });
+
+    it('returns the correct point scale at the latitude of Toronto',
+        function() {
+          // @see http://msdn.microsoft.com/en-us/library/aa940990.aspx
+          var epsg3857 = ol.proj.get('EPSG:3857');
+          var epsg4326 = ol.proj.get('EPSG:4326');
+          var resolution = 19.11;
+          var point = ol.proj.transform([0, 43.65], epsg4326, epsg3857);
+          expect(epsg3857.getPointResolution(resolution, point)).
+              to.roughlyEqual(19.11 * Math.cos(Math.PI * 43.65 / 180), 1e-9);
+        });
+
+    it('returns the correct point scale at various latitudes', function() {
+      // @see http://msdn.microsoft.com/en-us/library/aa940990.aspx
+      var epsg3857 = ol.proj.get('EPSG:3857');
+      var epsg4326 = ol.proj.get('EPSG:4326');
+      var resolution = 19.11;
+      var latitude;
+      for (latitude = 0; latitude < 90; ++latitude) {
+        var point = ol.proj.transform([0, latitude], epsg4326, epsg3857);
+        expect(epsg3857.getPointResolution(resolution, point)).
+            to.roughlyEqual(19.11 * Math.cos(Math.PI * latitude / 180), 1e-9);
+      }
+    });
+
+  });
+
+});
+
+
+goog.require('ol.proj');
+goog.require('ol.proj.common');
+goog.require('ol.proj.EPSG3857');