Adding test spec.

test/spec/ol/Projection.test.js

@@ -0,0 +1,42 @@
+describe("ol.Projection", function() {
+
+    it("constructs instances", function() {
+        var p;
+        
+        p = ol.projection("foo");
+        expect(p.code()).toBe("foo");
+        
+        p = ol.projection({code: "bar"});
+        expect(p.code()).toBe("bar");
+        
+    });
+    
+    it("allows units to be set", function() {
+        var p;
+        
+        p = ol.projection("foo");
+        expect(p.units()).toBeUndefined();
+        
+        p = ol.projection({code: "foo", units: "m"});
+        expect(p.units()).toBe("m");
+        
+    });
+    
+    it("handles transforms", function() {
+        
+        var orig = {x: 10, y: 20, z: 30};
+        
+        var point = ol.Projection.transform(orig, "EPSG:4326", "EPSG:900913");
+        
+        expect(point.x.toFixed(3)).toBe("1113194.908");
+        expect(point.y.toFixed(3)).toBe("2273030.927");
+        expect(point.z).toBe(30);
+        
+        // original remains unchanged
+        expect(orig.x).toBe(10);
+        expect(orig.y).toBe(20);
+        expect(orig.z).toBe(30);
+        
+    });
+    
+});