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/*
* DSI utilities
*
* Copyright (C) 2010-2023 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.util;
import static org.junit.Assert.assertEquals;
import java.util.List;
import org.junit.Test;
import it.unimi.dsi.bits.BitVector;
import it.unimi.dsi.bits.LongArrayBitVector;
import it.unimi.dsi.bits.TransformationStrategies;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import it.unimi.dsi.fastutil.objects.ObjectLists;
public class ImmutableBinaryTrieTest {
public void testImmutableBinaryTrie(final List<String> strings) {
final ObjectArrayList<BitVector> vectors = new ObjectArrayList<>();
for (final String string : strings) {
final BitVector v = LongArrayBitVector.ofLength(string.length());
for(int j = 0; j < string.length(); j++) if (string.charAt(j) == '1') v.set(j);
vectors.add(v);
}
final ImmutableBinaryTrie<BitVector> t = new ImmutableBinaryTrie<>(vectors, TransformationStrategies.identity());
assertEquals(vectors.size(), t.size());
for(int i = 0; i < vectors.size(); i++) assertEquals(vectors.get(i).toString(), i, t.getLong(vectors.get(i)));
}
@Test
public void testEmptyImmutableBinaryTrie() {
testImmutableBinaryTrie(ObjectLists.emptyList());
}
@Test
public void testSingletonImmutableBinaryTrie() {
testImmutableBinaryTrie(ObjectLists.singleton(STRINGS[0]));
}
@Test
public void testEmptyStringSingletonImmutableBinaryTrie() {
testImmutableBinaryTrie(ObjectLists.singleton(""));
}
@Test
public void testDoubletonImmutableBinaryTrie() {
testImmutableBinaryTrie(ObjectArrayList.wrap(STRINGS, 2));
}
@Test
public void testImmutableBinaryTrie() {
testImmutableBinaryTrie(ObjectArrayList.wrap(STRINGS));
}
public static final String[] STRINGS = {
"000000",
"000011100001100",
"000110001010011000110010100011001",
"000111001100011111110011",
"00100000100101011",
"0010001111011110111101100011",
"001010001100111111110101010010100",
"0010101001100001010001",
"0010110101000011000010100010110000111101010",
"0010110101100101101010",
"001101001101011001101001100011",
"00110111111100100110011100100100111100100",
"0100000111011111110111101100011101",
"010011111010101000011111011111110011101010010100",
"0101001110000101001101",
"0101100001100001100001010011000110001",
"01011001111110110111100001",
"010111111101000110101100",
"0111001111001001100100101001110",
"1000010001110111101000101110011111011100100",
"1000011111110110010110101101",
"100010100110111011010",
"1000111110100001111001111010100110011111001111111110011",
"1001010011111100110110000101001110111001001100",
"1010111011100111000101111111110111111100001",
"10110010011001101101010010001100001011111111101111111000011110011",
"10110101010000101100101111111011",
"1011011000100111110011110101110101001011",
"101101111000100001001000010110010101111100001",
"110001000010101001001110101110101001011",
"110001111010100110011111000011110011",
"11010010101001000011110011",
"11010100110010110010010011110011",
"11011001000110000010100",
"110111100001100110011010",
"11011111010101001011",
"11100100110111100001",
"111011110111011101010",
"11111001001000011010001010100100010100100111100100",
"111110101010000111100001",
};
}
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