[indexeddb] add compatibility with Firefox in private mode

src/jio.js

@@ -24,8 +24,11 @@
   "use strict";
 
   /* Safari does not define DOMError */
+  /* + compat issue with private Firefox */
   if (window.DOMError === undefined) {
-    window.DOMError = {};
+    window.DOMError = function FakeDOMError(message) {
+      this.message = message;
+    };
   }
 
   var util = {},

src/jio.storage/indexeddbstorage.js

@@ -43,10 +43,10 @@
 
 /*jslint nomen: true */
 /*global indexedDB, jIO, RSVP, Blob, Math, IDBKeyRange, IDBOpenDBRequest,
-        DOMError, Set*/
+        DOMError, DOMException, Set*/
 
 (function (indexedDB, jIO, RSVP, Blob, Math, IDBKeyRange, IDBOpenDBRequest,
-           DOMError, Set) {
+           DOMError, DOMException, Set) {
   "use strict";
 
   // Read only as changing it can lead to data corruption
@@ -145,7 +145,8 @@
         canceller();
         if ((error !== undefined) &&
             (error.target instanceof IDBOpenDBRequest) &&
-            (error.target.error instanceof DOMError)) {
+            ((error.target.error instanceof DOMError) ||
+             (error.target.error instanceof DOMException))) {
           reject("Connection to: " + db_name + " failed: " +
                  error.target.error.message);
         } else {
@@ -709,4 +710,4 @@
 
   jIO.addStorage("indexeddb", IndexedDBStorage);
 }(indexedDB, jIO, RSVP, Blob, Math, IDBKeyRange, IDBOpenDBRequest, DOMError,
-  Set));
+  DOMException, Set));

test/jio.storage/indexeddbstorage.tests.js

@@ -20,10 +20,10 @@
 /*jslint nomen: true */
 /*global indexedDB, Blob, sinon, IDBDatabase,
          IDBTransaction, IDBIndex, IDBObjectStore, IDBCursor, IDBKeyRange,
-         DOMException, Rusha*/
+         Rusha*/
 (function (jIO, QUnit, indexedDB, Blob, sinon, IDBDatabase,
            IDBTransaction, IDBIndex, IDBObjectStore, IDBCursor, IDBKeyRange,
-           DOMException, Rusha) {
+           Rusha) {
   "use strict";
   var test = QUnit.test,
     stop = QUnit.stop,
@@ -190,26 +190,17 @@
     });
   });
 
+  function startsWith(str, prefix) {
+    return str.substr(0, prefix.length) === prefix;
+  }
+
   test("version decrease", function () {
     var context = this;
-    expect(8);
+    expect(1);
 
     return setupDBMigrationTest(context, {version: 3},
-                                {version: 2}, function (evt) {
-        ok(evt.target.error instanceof DOMException);
-        equal(evt.target.error.name, 'VersionError');
-
-        ok(context.spy_open.calledOnce, "open count " +
-           context.spy_open.callCount);
-        equal(context.spy_open.firstCall.args[0], "jio:qunit",
-              "open first argument");
-
-        equal(context.spy_create_store.callCount, 0,
-              "createObjectStore count");
-        equal(context.spy_store.callCount, 0,
-              "objectStore count");
-        equal(context.spy_create_index.callCount, 0, "createIndex count");
-        equal(context.spy_delete_index.callCount, 0, "deleteIndex count");
+                                {version: 2}, function (msg) {
+        ok(startsWith(msg, "Connection to: jio:qunit failed: "));
       });
   });
 
@@ -2054,4 +2045,4 @@
 
 }(jIO, QUnit, indexedDB, Blob, sinon, IDBDatabase,
   IDBTransaction, IDBIndex, IDBObjectStore, IDBCursor, IDBKeyRange,
-  DOMException, Rusha));
+  Rusha));