[sql] sql::ScopedErrorIgnorer rename to sql::test::ScopedErrorExpecter

sql/test/scoped_error_ignorer.h

-// 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.
-
-#ifndef SQL_TEST_SCOPED_ERROR_IGNORER_H_
-#define SQL_TEST_SCOPED_ERROR_IGNORER_H_
-
-#include <set>
-
-#include "base/macros.h"
-#include "sql/connection.h"
-
-// This is not strictly necessary for the operation of ScopedErrorIgnorer, but
-// the class is not useful without the SQLite error codes.
-#include "third_party/sqlite/sqlite3.h"
-
-// TODO(shess): sql::test:: seems like it could be in order for this.
-namespace sql {
-
-// sql::Connection and sql::Statement treat most SQLite errors as
-// fatal in debug mode.  The intention is to catch inappropriate uses
-// of SQL before the code is shipped to production.  This makes it
-// challenging to write tests for things like recovery from
-// corruption.  This scoper can be used to ignore selected errors
-// during a test.  Errors are ignored globally (on all connections).
-//
-// Since errors can be very context-dependent, the class is pedantic -
-// specific errors must be ignored, and every error ignored must be
-// seen.
-//
-// NOTE(shess): There are still fatal error cases this does not
-// address.  If your test is handling database errors and you're
-// hitting a case not handled, contact me.
-class ScopedErrorIgnorer {
- public:
-  ScopedErrorIgnorer();
-  ~ScopedErrorIgnorer();
-
-  // Add an error to ignore.  Extended error codes can be ignored
-  // specifically, or the base code can ignore an entire group
-  // (SQLITE_IOERR_* versus SQLITE_IOERR).
-  void IgnoreError(int err);
-
-  // Allow containing test to check if the errors were encountered.
-  // Failure to call results in ADD_FAILURE() in destructor.
-  bool CheckIgnoredErrors();
-
-  // Record an error and check if it should be ignored.
-  bool ShouldIgnore(int err);
-
-  // Expose sqlite3_libversion_number() so that clients don't have to add a
-  // dependency on third_party/sqlite.
-  static int SQLiteLibVersionNumber();
-
- private:
-  // Storage for callback passed to Connection::SetErrorIgnorer().
-  Connection::ErrorIgnorerCallback callback_;
-
-  // Record whether CheckIgnoredErrors() has been called.
-  bool checked_;
-
-  // Errors to ignore.
-  std::set<int> ignore_errors_;
-
-  // Errors which have been ignored.
-  std::set<int> errors_ignored_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedErrorIgnorer);
-};
-
-}  // namespace sql
-
-#endif  // SQL_TEST_SCOPED_ERROR_IGNORER_H_