/*******************************************************************************
* Copyright French Prime minister Office/SGMAP/DINSIC/Vitam Program (2015-2019)
*
* contact.vitam@culture.gouv.fr
*
* This software is a computer program whose purpose is to implement a digital archiving back-office system managing
* high volumetry securely and efficiently.
*
* This software is governed by the CeCILL 2.1 license under French law and abiding by the rules of distribution of free
* software. You can use, modify and/ or redistribute the software under the terms of the CeCILL 2.1 license as
* circulated by CEA, CNRS and INRIA at the following URL "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy, modify and redistribute granted by the license,
* users are provided only with a limited warranty and the software's author, the holder of the economic rights, and the
* successive licensors have only limited liability.
*
* In this respect, the user's attention is drawn to the risks associated with loading, using, modifying and/or
* developing or reproducing the software by the user in light of its specific status of free software, that may mean
* that it is complicated to manipulate, and that also therefore means that it is reserved for developers and
* experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the
* software's suitability as regards their requirements in conditions enabling the security of their systems and/or data
* to be ensured and, more generally, to use and operate it in the same conditions as regards security.
*
* The fact that you are presently reading this means that you have had knowledge of the CeCILL 2.1 license and that you
* accept its terms.
*******************************************************************************/
package fr.gouv.vitam.common.stream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.junit.Test;
import fr.gouv.vitam.common.junit.FakeInputStream;
import fr.gouv.vitam.common.junit.JunitHelper;
public class StreamUtilsTest {
@Test
public void constructorTest() {
JunitHelper.testPrivateConstructor(StreamUtils.class);
}
@Test
public void testClose() {
InputStream inputStream = null;
try {
StreamUtils.closeSilently(inputStream);
} catch (final Exception e) {
fail("Should not raized an exception");
}
inputStream = new ByteArrayInputStream(new byte[10]);
try {
StreamUtils.closeSilently(inputStream);
} catch (final Exception e) {
fail("Should not raized an exception");
}
}
@Test
public void testPartialReadOnClose() throws IOException {
final long size = 100000;
FakeInputStream inputStream = new FakeInputStream(size, true);
try {
final long read = inputStream.skip(size / 2);
assertEquals(size / 2, read);
assertEquals(size / 2, inputStream.available());
assertEquals(size / 2, inputStream.readCount());
} finally {
inputStream.close();
}
assertEquals(0, inputStream.available());
assertEquals(size / 2, inputStream.readCount());
inputStream = new FakeInputStream(size, true);
final InputStream is = StreamUtils.getRemainingReadOnCloseInputStream(inputStream);
try {
final long read = is.skip(size / 2);
assertEquals(size / 2, read);
assertEquals(size / 2, is.available());
assertEquals(size / 2, inputStream.readCount());
} finally {
is.close();
}
assertEquals(0, inputStream.available());
assertEquals(size, inputStream.readCount());
}
}