Adding mapbox-gl branch

mapbox-gl/closure-library/closure/goog/storage/collectablestoragetester.js

@@ -0,0 +1,71 @@
+// Copyright 2011 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.
+
+/**
+ * @fileoverview Unit tests for the collectable storage interface.
+ *
+ */
+
+goog.provide('goog.storage.collectableStorageTester');
+
+goog.require('goog.testing.asserts');
+goog.setTestOnly('collectablestorage_test');
+
+
+/**
+ * Tests basic operation: expiration and collection of collectable storage.
+ *
+ * @param {goog.storage.mechanism.IterableMechanism} mechanism
+ * @param {goog.testing.MockClock} clock
+ * @param {goog.storage.CollectableStorage} storage
+  */
+goog.storage.collectableStorageTester.runBasicTests =
+    function(mechanism, clock, storage) {
+  // No expiration.
+  storage.set('first', 'three seconds', 3000);
+  storage.set('second', 'one second', 1000);
+  storage.set('third', 'permanent');
+  storage.set('fourth', 'two seconds', 2000);
+  clock.tick(100);
+  storage.collect();
+  assertEquals('three seconds', storage.get('first'));
+  assertEquals('one second', storage.get('second'));
+  assertEquals('permanent', storage.get('third'));
+  assertEquals('two seconds', storage.get('fourth'));
+
+  // A key has expired.
+  clock.tick(1000);
+  storage.collect();
+  assertNull(mechanism.get('second'));
+  assertEquals('three seconds', storage.get('first'));
+  assertUndefined(storage.get('second'));
+  assertEquals('permanent', storage.get('third'));
+  assertEquals('two seconds', storage.get('fourth'));
+
+  // Another two keys have expired.
+  clock.tick(2000);
+  storage.collect();
+  assertNull(mechanism.get('first'));
+  assertNull(mechanism.get('fourth'));
+  assertUndefined(storage.get('first'));
+  assertEquals('permanent', storage.get('third'));
+  assertUndefined(storage.get('fourth'));
+
+  // Clean up.
+  storage.remove('third');
+  assertNull(mechanism.get('third'));
+  assertUndefined(storage.get('third'));
+  storage.collect();
+  clock.uninstall();
+};