Persist sessionStorage on disk.

webkit/dom_storage/session_storage_database_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "webkit/dom_storage/session_storage_database.h"
 
 #include <algorithm>
 #include <map>
 #include <string>
@@ skipping 833 matching lines @@
   // Delete the newly created namespace.
   EXPECT_TRUE(db_->DeleteNamespace(1));
 
   // Namespace 1 is empty.
   CheckAreaData(1, kOrigin1, ValuesMap());
 
   // The values for the old namespace 1 are still accessible via id -1.
   CheckAreaData(-1, kOrigin1, data1);
 }
 
+TEST_F(SessionStorageDatabaseTest, DeleteNamespaceConfusion) {
+  // Regression test for a bug where a namespace with id 10 prevented deleting
+  // the namespace with id 1.
+
+  // Create namespace with IDs 0 to 10. The real IDs in the DB will correspond
+  // to these IDs.
+  ValuesMap data1;
+  data1[kKey1] = kValue1;
+  for (int i = 0; i <= 10; ++i)
+    ASSERT_TRUE(db_->CommitAreaChanges(i, kOrigin1, false, data1));
+
+  // Delete the namespace with ID 1.
+  EXPECT_TRUE(db_->DeleteNamespace(1));
+}
+
 }  // namespace dom_storage