Make iterating over a corrupted IndexedDB fail.

content/browser/indexed_db/indexed_db_transaction_unittest.cc

 // Copyright 2013 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 "content/browser/indexed_db/indexed_db_transaction.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/indexed_db/indexed_db_fake_backing_store.h"
 #include "content/browser/indexed_db/mock_indexed_db_database_callbacks.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class IndexedDBTransactionTest : public testing::Test {
  public:
   IndexedDBTransactionTest() {
+    backing_store_ = new IndexedDBFakeBackingStore();
+    CreateDB();
+  }
+
+  void CreateDB() {
+    // DB is created here instead of the constructor to workaround a

[jsbell, 2014/04/15 17:48:45]

I think you can shorten the comment a bit, e.g. 'Can't use ASSERT* macros in
constructors'

+    // "peculiarity of C++". More info at
+    // https://code.google.com/p/googletest/wiki/FAQ#My_compiler_complains_that_a_constructor_(or_destructor)_cannot
     IndexedDBFactory* factory = NULL;
-    backing_store_ = new IndexedDBFakeBackingStore();
+    leveldb::Status s;
     db_ = IndexedDBDatabase::Create(base::ASCIIToUTF16("db"),
                                     backing_store_,
                                     factory,
-                                    IndexedDBDatabase::Identifier());
+                                    IndexedDBDatabase::Identifier(),
+                                    &s);
+    ASSERT_TRUE(s.ok());
   }
 
   void RunPostedTasks() { message_loop_.RunUntilIdle(); }
   void DummyOperation(IndexedDBTransaction* transaction) {}
 
  protected:
   scoped_refptr<IndexedDBFakeBackingStore> backing_store_;
   scoped_refptr<IndexedDBDatabase> db_;
 
  private:
@@ skipping 247 matching lines @@
   indexed_db::TRANSACTION_READ_ONLY,
   indexed_db::TRANSACTION_READ_WRITE,
   indexed_db::TRANSACTION_VERSION_CHANGE
 };
 
 INSTANTIATE_TEST_CASE_P(IndexedDBTransactions,
                         IndexedDBTransactionTestMode,
                         ::testing::ValuesIn(kTestModes));
 
 }  // namespace content