[sql] Callback and scoped-ignore tests for sql::Statement.

sql/test/error_callback_support.h

Index: sql/test/error_callback_support.h
diff --git a/sql/test/error_callback_support.h b/sql/test/error_callback_support.h
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index 0000000000000000000000000000000000000000..bce1495ec9d3af987ab984b0193fd847b5198334
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+++ b/sql/test/error_callback_support.h
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+// 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_ERROR_CALLBACK_SUPPORT_H_
+#define SQL_TEST_ERROR_CALLBACK_SUPPORT_H_
+
+#include "sql/connection.h"
+
+namespace sql {
+
+// Used in concert to test that the error callback is catching a
+// specific error.  For instance:
+//   int error = SQLITE_OK;
+//   ScopedErrorCallback sec(db, base::Bind(&CaptureErrorCallback, &error));
+//   // Provoke SQLITE_CONSTRAINT on db.
+//   EXPECT_EQ(SQLITE_CONSTRAINT, error);
+
+
+void CaptureErrorCallback(int* error_pointer, int error, sql::Statement* stmt);
+
+class ScopedErrorCallback {
+ public:
+  ScopedErrorCallback(sql::Connection* db,
+                      const sql::Connection::ErrorCallback& cb);
+  ~ScopedErrorCallback();
+
+ private:
+  sql::Connection* db_;
+
+  DISALLOW_COPY_AND_ASSIGN(ScopedErrorCallback);
+};
+
+}  // namespace sql
+
+#endif  // SQL_TEST_ERROR_CALLBACK_SUPPORT_H_