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diff --git a/src/test/cpp/helpers/localechanger.cpp b/src/test/cpp/helpers/localechanger.cpp
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+++ b/src/test/cpp/helpers/localechanger.cpp
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG4CXX_TEST
+#include <log4cxx/private/log4cxx_private.h>
+#if LOG4CXX_HAS_STD_LOCALE
+
+#include "localechanger.h"
+#include <stdexcept>
+
+using namespace log4cxx::helpers;
+
+/**
+*   Construction attemtps to change default locale.
+* @param locale locale.
+*/
+LocaleChanger::LocaleChanger(const char* locale) {
+    effective = false;
+    try {
+        std::locale newLocale(locale);
+        initial = std::locale::global(newLocale);
+        effective = true;
+    } catch(std::runtime_error&) {
+    } catch(std::exception&) {
+    }
+  }
+
+/**
+* Restores previous locale.
+*/
+LocaleChanger::~LocaleChanger() {
+      if (effective) {
+        std::locale::global(initial);
+      }
+  }
+
+#endif