Adding mapbox-gl branch

mapbox-gl/closure-library/closure/goog/testing/singleton_test.js

@@ -0,0 +1,33 @@
+// Copyright 2009 The Closure Library Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS-IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+goog.provide('goog.testing.singletonTest');
+goog.setTestOnly('goog.testing.singletonTest');
+
+goog.require('goog.testing.asserts');
+goog.require('goog.testing.jsunit');
+goog.require('goog.testing.singleton');
+
+function testGetInstance() {
+  function SingletonClass() {}
+  goog.addSingletonGetter(SingletonClass);
+
+  var s1 = SingletonClass.getInstance();
+  var s2 = SingletonClass.getInstance();
+  assertEquals('second getInstance call returns the same instance', s1, s2);
+
+  goog.testing.singleton.reset();
+  var s3 = SingletonClass.getInstance();
+  assertNotEquals('getInstance returns a new instance after reset', s1, s3);
+}