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/*
* DSI utilities
*
* Copyright (C) 2002-2023 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.big.util;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import org.junit.Test;
import it.unimi.dsi.fastutil.io.BinIO;
import it.unimi.dsi.fastutil.longs.LongBigArrayBigList;
import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
public class LongBigArraySignedStringMapTest {
@SuppressWarnings("deprecation")
@Test
public void testNumbers() throws IOException {
for(int width = 16; width <= Long.SIZE; width += 8) {
final String[] s = new String[100000];
final long[] v = new long[s.length];
for(int i = s.length; i-- != 0;) s[(int)(v[i] = i)] = Integer.toString(i);
// Test with mph
final Object2LongOpenHashMap<String> mph = new Object2LongOpenHashMap<>(s, v);
final long[][] signatures = LongBigListSignedStringMap.sign(Arrays.asList(s).iterator(), mph);
LongBigListSignedStringMap map = new LongBigListSignedStringMap(mph, LongBigArrayBigList.wrap(signatures));
for(int i = s.length; i-- != 0;) assertEquals(i, map.getLong(Integer.toString(i)));
for(int i = s.length + 100; i-- != s.length;) assertEquals(-1, map.getLong(Integer.toString(i)));
final File temp = File.createTempFile(getClass().getSimpleName(), "test");
temp.deleteOnExit();
BinIO.storeLongs(signatures, temp);
map = new LongBigListSignedStringMap(mph, temp.toString());
for(int i = s.length; i-- != 0;) assertEquals(i, map.getLong(Integer.toString(i)));
for(int i = s.length + 10000; i-- != s.length;) assertEquals(-1, map.getLong(Integer.toString(i)));
temp.delete();
}
}
@SuppressWarnings("deprecation")
@Test
public void testSortedNumbers() throws IOException {
for(int width = 16; width <= Long.SIZE; width += 8) {
final String[] s = new String[100000];
final long[] v = new long[s.length];
for(int i = s.length; i-- != 0;) s[(int)(v[i] = i)] = Integer.toString(i);
// Test with mph
final Object2LongOpenHashMap<String> mph = new Object2LongOpenHashMap<>(s, v);
final File temp = File.createTempFile(getClass().getSimpleName(), "test");
temp.deleteOnExit();
LongBigListSignedStringMap.sign(Arrays.asList(s).iterator(), temp.toString());
final LongBigListSignedStringMap map = new LongBigListSignedStringMap(mph, temp.toString());
for(int i = s.length; i-- != 0;) assertEquals(i, map.getLong(Integer.toString(i)));
for(int i = s.length + 10000; i-- != s.length;) assertEquals(-1, map.getLong(Integer.toString(i)));
temp.delete();
}
}
}
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