[ol.TileCache] tile cache size is not 1

src/ol/TileCache.js

@@ -9,13 +9,7 @@ goog.require('goog.structs.LinkedMap');
  * @param {number=} opt_size
  */
 ol.TileCache = function(opt_size) {
-    /**
-     * @constant
-     * @type {number}
-     */
-    this.size_ = opt_size || 100;
-
-    goog.base(this, 1, true /* cache mode */);
+    goog.base(this, opt_size || 100, true /* cache mode */);
 };
 
 goog.inherits(ol.TileCache, goog.structs.LinkedMap);

test/spec/ol/TileCache.test.js

@@ -1,5 +1,23 @@
 describe('ol.TileCache', function() {
 
+    describe('add tiles to cache', function() {
+        var Tile, tilecache;
+
+        beforeEach(function() {
+            Tile = ol.Tile.createConstructor(200, 200);
+            tilecache = new ol.TileCache(5);
+        });
+
+        it('does add tiles, without exceeding cache size', function() {
+            for (var i=0; i<6; i++) {
+                var url = 'url' + i;
+                var tile = new Tile(url);
+                tilecache.set(url, tile);
+            }
+            expect(tilecache.getCount()).toEqual(5);
+        });
+    });
+
     describe('exceed the cache capacity', function() {
 
         var Tile, tilecache, tile;