move properties from layer/XYZ to layer/TileLayer

test/index.html

@@ -63,6 +63,7 @@
   <script type="text/javascript" src="spec/ol/TileSet.test.js"></script>
   <script type="text/javascript" src="spec/ol/geom/Point.test.js"></script>
   <script type="text/javascript" src="spec/ol/geom/MultiPoint.test.js"></script>
+  <script type="text/javascript" src="spec/ol/layer/TileLayer.test.js"></script>
   <script type="text/javascript" src="spec/ol/layer/XYZ.test.js"></script>
   <script type="text/javascript" src="spec/ol/Feature.test.js"></script>
 

test/spec/ol/layer/TileLayer.test.js

@@ -0,0 +1,61 @@
+describe('ol.layer.TileLayer', function() {
+
+    describe('create a tile layer', function() {
+
+        it('returns an ol.layer.TileLayer instance', function() {
+            var layer = new ol.layer.TileLayer();
+            expect(layer instanceof ol.layer.TileLayer).toBe(true);
+        });
+
+    });
+
+    describe('get tile origin', function() {
+        var layer;
+
+        beforeEach(function() {
+            layer = new ol.layer.TileLayer();
+        });
+
+        describe('with tileOriginX and tileOriginY set', function() {
+
+            beforeEach(function() {
+                layer.setTileOrigin(1, 2);
+            });
+
+            it('returns the expected origin', function() {
+                var origin = layer.getTileOrigin();
+                expect(origin).toEqual([1, 2]);
+            });
+
+        });
+
+        describe('with extent set', function() {
+
+            beforeEach(function() {
+                layer.setExtent(new ol.Bounds(-180, -90, 180, 90));
+            });
+
+            it('returns the expected origin', function() {
+                var origin = layer.getTileOrigin();
+                expect(origin).toEqual([-180, -90]);
+            });
+
+        });
+
+        describe('with extent and tileOriginCorner set', function() {
+
+            beforeEach(function() {
+                layer.setExtent(new ol.Bounds(-180, -90, 180, 90));
+                layer.setTileOriginCorner('tr');
+            });
+
+            it('returns the expected origin', function() {
+                var origin = layer.getTileOrigin();
+                expect(origin).toEqual([180, 90]);
+            });
+
+        });
+
+    });
+
+});