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diff --git a/src/mongo/db/fts/fts_language_test.cpp b/src/mongo/db/fts/fts_language_test.cpp
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+++ b/src/mongo/db/fts/fts_language_test.cpp
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+// fts_language_test.cpp
+
+/**
+ *    Copyright (C) 2013 MongoDB Inc.
+ *
+ *    This program is free software: you can redistribute it and/or  modify
+ *    it under the terms of the GNU Affero General Public License, version 3,
+ *    as published by the Free Software Foundation.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Affero General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Affero General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the GNU Affero General Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#include "mongo/pch.h"
+#include "mongo/db/fts/fts_language.h"
+#include "mongo/db/fts/fts_spec.h"
+#include "mongo/unittest/unittest.h"
+
+namespace mongo {
+
+    namespace fts {
+
+        // Positive tests for FTSLanguage::make() with TEXT_INDEX_VERSION_2.
+
+        TEST( FTSLanguageV2, ExactLanguage ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "spanish", TEXT_INDEX_VERSION_2 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "spanish" );
+        }
+
+        TEST( FTSLanguageV2, ExactCode ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "es", TEXT_INDEX_VERSION_2 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "spanish" );
+        }
+
+        TEST( FTSLanguageV2, UpperCaseLanguage ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "SPANISH", TEXT_INDEX_VERSION_2 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "spanish" );
+        }
+
+        TEST( FTSLanguageV2, UpperCaseCode ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "ES", TEXT_INDEX_VERSION_2 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "spanish" );
+        }
+        
+        TEST( FTSLanguageV2, NoneLanguage ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "none", TEXT_INDEX_VERSION_2 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "none" );
+        }
+
+        // Negative tests for FTSLanguage::make() with TEXT_INDEX_VERSION_2.
+
+        TEST( FTSLanguageV2, Unknown ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "spanglish", TEXT_INDEX_VERSION_2 );
+            ASSERT( !swl.getStatus().isOK() );
+        }
+
+        TEST( FTSLanguageV2, Empty ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "", TEXT_INDEX_VERSION_2 );
+            ASSERT( !swl.getStatus().isOK() );
+        }
+
+        // Positive tests for FTSLanguage::make() with TEXT_INDEX_VERSION_1.
+
+        TEST( FTSLanguageV1, ExactLanguage ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "spanish", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "spanish" );
+        }
+
+        TEST( FTSLanguageV1, DeprecatedLanguage ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "porter", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "porter" );
+        }
+
+        TEST( FTSLanguageV1, StemmerOnlyLanguage1 ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "en", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "en" );
+        }
+
+        TEST( FTSLanguageV1, StemmerOnlyLanguage2 ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "eng", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "eng" );
+        }
+
+        TEST( FTSLanguageV1, NoneLanguage ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "none", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "none" );
+        }
+
+        // Negative tests for FTSLanguage::make() with TEXT_INDEX_VERSION_1.
+
+        TEST( FTSLanguageV1, CaseSensitive ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "SPANISH", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "none" );
+        }
+
+        TEST( FTSLanguageV1, Unknown ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "asdf", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "none" );
+        }
+
+        TEST( FTSLanguageV1, Empty ) {
+            StatusWithFTSLanguage swl = FTSLanguage::make( "", TEXT_INDEX_VERSION_1 );
+            ASSERT( swl.getStatus().isOK() );
+            ASSERT_EQUALS( swl.getValue()->str(), "none" );
+        }
+
+    }
+}