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/*
* DSI utilities
*
* Copyright (C) 2016-2023 Sebastiano Vigna
*
* This program and the accompanying materials are made available under the
* terms of the GNU Lesser General Public License v2.1 or later,
* which is available at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html,
* or the Apache Software License 2.0, which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* 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.
*
* SPDX-License-Identifier: LGPL-2.1-or-later OR Apache-2.0
*/
package it.unimi.dsi.io;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import org.junit.Test;
import it.unimi.dsi.fastutil.io.BinIO;
public class FileLinesByteArrayCollectionTest {
@SuppressWarnings("deprecation")
@Test
public void test() throws IOException {
final File file = File.createTempFile(FastBufferedReaderTest.class.getSimpleName(), "tmp");
file.deleteOnExit();
byte[] a = { '0', '\n', '1', '\n' };
BinIO.storeBytes(a, file);
it.unimi.dsi.big.io.FileLinesByteArrayCollection flbac = new it.unimi.dsi.big.io.FileLinesByteArrayCollection(file.toString());
it.unimi.dsi.big.io.FileLinesByteArrayCollection.FileLinesIterator iterator = flbac.iterator();
assertArrayEquals(new byte[] { '0' }, iterator.next());
assertArrayEquals(new byte[] { '1' }, iterator.next());
assertFalse(iterator.hasNext());
assertEquals(2, flbac.size64());
a = new byte[] { '0', '\n', '1' };
BinIO.storeBytes(a, file);
flbac = new it.unimi.dsi.big.io.FileLinesByteArrayCollection(file.toString());
assertEquals(2, flbac.size64());
iterator = flbac.iterator();
assertArrayEquals(new byte[] { '0' }, iterator.next());
assertTrue(iterator.hasNext());
assertArrayEquals(new byte[] { '1' }, iterator.next());
assertFalse(iterator.hasNext());
assertFalse(iterator.hasNext());
iterator.close();
a = new byte[1000000];
Arrays.fill(a, (byte)'A');
BinIO.storeBytes(a, file);
flbac = new it.unimi.dsi.big.io.FileLinesByteArrayCollection(file.toString());
assertEquals(1, flbac.size64());
iterator = flbac.iterator();
assertArrayEquals(a, iterator.next());
assertFalse(iterator.hasNext());
file.delete();
}
}
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