Migrate the IndexedDB backend from Blink to Chromium

content/browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc

Index: content/browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc
diff --git a/content/browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc b/content/browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3a9ef35dbdfc4d96203665f832c565c0e6f0b6d8
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+++ b/content/browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc
@@ -0,0 +1,72 @@
+// Copyright (c) 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 "base/files/scoped_temp_dir.h"
+#include "base/string16.h"
+#include "base/strings/utf_string_conversions.h"
+#include "content/browser/indexed_db/indexed_db_backing_store.h"
+#include "content/browser/indexed_db/leveldb/leveldb_database.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
+
+using WebKit::WebSecurityOrigin;
+using content::IndexedDBBackingStore;
+using content::LevelDBComparator;
+using content::LevelDBDatabase;
+using content::LevelDBFactory;
+using content::LevelDBSlice;
+using content::LevelDBSnapshot;
+
+namespace {
+
+class BustedLevelDBDatabase : public LevelDBDatabase {
+ public:
+  static scoped_ptr<LevelDBDatabase> Open(const string16& file_name,
+                                          const LevelDBComparator*) {
+    return scoped_ptr<LevelDBDatabase>(new BustedLevelDBDatabase);
+  }
+  virtual bool Get(const LevelDBSlice& key,
+                   std::vector<char>& value,
+                   bool& found,
+                   const LevelDBSnapshot* = 0) OVERRIDE {
+    // false means IO error.
+    return false;
+  }
+};
+
+class MockLevelDBFactory : public LevelDBFactory {
+ public:
+  MockLevelDBFactory() : destroy_called_(false) {}
+  virtual scoped_ptr<LevelDBDatabase> OpenLevelDB(
+      const string16& file_name,
+      const LevelDBComparator* comparator) OVERRIDE {
+    return BustedLevelDBDatabase::Open(file_name, comparator);
+  }
+  virtual bool DestroyLevelDB(const string16& file_name) OVERRIDE {
+    EXPECT_FALSE(destroy_called_);
+    destroy_called_ = true;
+    return false;
+  }
+  virtual ~MockLevelDBFactory() { EXPECT_TRUE(destroy_called_); }
+
+ private:
+  bool destroy_called_;
+};
+
+TEST(IndexedDBIOErrorTest, CleanUpTest) {
+  WebSecurityOrigin origin(
+      WebSecurityOrigin::createFromString("http://localhost:81"));
+  base::ScopedTempDir temp_directory;
+  DCHECK(temp_directory.CreateUniqueTempDir());
+  const base::FilePath path = temp_directory.path();
+  string16 dummy_file_identifier;
+  MockLevelDBFactory mock_leveldb_factory;
+  scoped_refptr<IndexedDBBackingStore> backing_store =
+      IndexedDBBackingStore::Open(origin.databaseIdentifier(),
+                                  UTF8ToUTF16(path.AsUTF8Unsafe()),
+                                  dummy_file_identifier,
+                                  &mock_leveldb_factory);
+}
+
+}  // namespace