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package de.lmu.ifi.dbs.elki.logging;
/*
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 static org.junit.Assert.assertEquals;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.Writer;
import org.junit.Test;
import de.lmu.ifi.dbs.elki.JUnit4Test;
/**
* Small experiment to assert the console output logger works as expected.
*
* @author Erich Schubert
*
*/
public class TestOutputStreamLogger implements JUnit4Test {
/**
* Write a couple of messages to the console output writer and compare the
* resulting characters.
*
* @throws IOException on errors.
*/
@Test
public final void testWriteString() throws IOException {
ByteArrayOutputStream buf = new ByteArrayOutputStream();
Writer wri = new OutputStreamLogger(buf);
wri.write("Test." + OutputStreamLogger.NEWLINE);
wri.write("\r123");
wri.write("\r23");
wri.write("\r3");
wri.write("Test.");
String should = "Test." + OutputStreamLogger.NEWLINE + "\r123\r \r23\r \r3" + OutputStreamLogger.NEWLINE + "Test.";
assertEquals("Output doesn't match requirements.", should, buf.toString());
wri.close();
}
}
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