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diff --git a/elki/src/test/java/de/lmu/ifi/dbs/elki/index/tree/metrical/mtreevariants/mtree/MTreeTest.java b/elki/src/test/java/de/lmu/ifi/dbs/elki/index/tree/metrical/mtreevariants/mtree/MTreeTest.java
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+++ b/elki/src/test/java/de/lmu/ifi/dbs/elki/index/tree/metrical/mtreevariants/mtree/MTreeTest.java
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+package de.lmu.ifi.dbs.elki.index.tree.metrical.mtreevariants.mtree;
+
+/*
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
+
+ Copyright (C) 2015
+ Ludwig-Maximilians-Universität München
+ Lehr- und Forschungseinheit für Datenbanksysteme
+ ELKI Development Team
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ 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/>.
+ */
+
+import org.junit.Test;
+
+import de.lmu.ifi.dbs.elki.database.StaticArrayDatabase;
+import de.lmu.ifi.dbs.elki.index.AbstractIndexStructureTest;
+import de.lmu.ifi.dbs.elki.index.tree.metrical.mtreevariants.query.MetricalIndexKNNQuery;
+import de.lmu.ifi.dbs.elki.index.tree.metrical.mtreevariants.query.MetricalIndexRangeQuery;
+import de.lmu.ifi.dbs.elki.persistent.AbstractPageFileFactory;
+import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameterization.ListParameterization;
+
+/**
+ * Unit test for the M-tree.
+ * 
+ * @author Erich Schubert
+ * @since 0.7.0
+ */
+public class MTreeTest extends AbstractIndexStructureTest {
+  /**
+   * Test {@link MTree} using a file based database connection.
+   */
+  @Test
+  public void testMetrical() {
+    ListParameterization metparams = new ListParameterization();
+    metparams.addParameter(StaticArrayDatabase.Parameterizer.INDEX_ID, MTreeFactory.class);
+    metparams.addParameter(AbstractPageFileFactory.Parameterizer.PAGE_SIZE_ID, 300);
+    testExactEuclidean(metparams, MetricalIndexKNNQuery.class, MetricalIndexRangeQuery.class);
+  }
+}