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gaia/apps/system/test/unit/mock_asyncStorage.js

@@ -0,0 +1,42 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+'use strict';
+
+/* exported MockasyncStorage */
+
+var MockasyncStorage = {
+    mItems: {},
+
+    setItem: function(key, value, callback) {
+      this.mItems[key] = value;
+      if (typeof callback === 'function') {
+        callback();
+      }
+    },
+
+    getItem: function(key, callback) {
+      var value = this.mItems[key];
+      // use '|| null' will turn a 'false' to null
+      if (value === undefined) {
+        value = null;
+      }
+      if (typeof callback === 'function') {
+        callback(value);
+      }
+    },
+
+    removeItem: function(key, callback) {
+      if (key in this.mItems) {
+        delete this.mItems[key];
+      }
+
+      if (typeof callback === 'function') {
+        callback();
+      }
+    },
+
+    mTeardown: function() {
+      this.mItems = {};
+    }
+};