package org.trie4j.louds;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.junit.Assert;
import org.junit.Test;
import org.trie4j.AbstractTermIdTrieTest;
import org.trie4j.Node;
import org.trie4j.Trie;
import org.trie4j.louds.bvtree.LOUDSPPBvTree;
import org.trie4j.tail.SuffixTrieTailArray;
public class TailLOUDSPPTrieWithSuffixTrieTailArrayTest
extends AbstractTermIdTrieTest<TailLOUDSTrie>{
@Override
protected TailLOUDSTrie buildSecond(Trie firstTrie) {
return new TailLOUDSTrie(
firstTrie,
new LOUDSPPBvTree(firstTrie.nodeSize()),
new SuffixTrieTailArray(firstTrie.size()));
}
@Test
public void test() throws Exception{
String[] words = {"こんにちは", "さようなら", "おはよう", "おおきなかぶ", "おおやまざき"};
TailLOUDSTrie lt = trieWithWords(words);
// System.out.println(lt.getBvTree());
// Algorithms.dump(lt.getRoot(), new OutputStreamWriter(System.out));
for(String w : words){
Assert.assertTrue(w, lt.contains(w));
}
Assert.assertFalse(lt.contains("おやすみなさい"));
StringBuilder b = new StringBuilder();
Node[] children = lt.getRoot().getChildren();
for(Node n : children){
char[] letters = n.getLetters();
b.append(letters[0]);
}
Assert.assertEquals("おこさ", b.toString());
}
@Test
public void test_save_load() throws Exception{
String[] words = {"こんにちは", "さようなら", "おはよう", "おおきなかぶ", "おおやまざき"};
TailLOUDSTrie lt = trieWithWords(words);
try(
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos)){
oos.writeObject(lt);
oos.flush();
lt = (TailLOUDSTrie)new ObjectInputStream(new ByteArrayInputStream(baos.toByteArray())).readObject();
for(String w : words){
Assert.assertTrue(lt.contains(w));
}
Assert.assertFalse(lt.contains("おやすみなさい"));
}
StringBuilder b = new StringBuilder();
Node[] children = lt.getRoot().getChildren();
for(Node n : children){
char[] letters = n.getLetters();
b.append(letters[0]);
}
Assert.assertEquals("おこさ", b.toString());
}
}