/**
* Copyright 2010-2013 Atilika Inc. and contributors (see CONTRIBUTORS.md)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. A copy of the
* License is distributed with this work in the LICENSE.md file. You may
* also obtain a copy of the License from
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.atilika.kuromoji.trie;
import com.atilika.kuromoji.trie.Trie.Node;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
public class TrieTest {
@Test
public void testGetRoot() {
Trie trie = new Trie();
Node rootNode = trie.getRoot();
assertNotNull(rootNode);
}
@Test
public void testAdd() {
Trie trie = new Trie();
trie.add("aa");
trie.add("ab");
trie.add("bb");
Node rootNode = trie.getRoot();
assertEquals(2, rootNode.getChildren().length);
assertEquals(2, rootNode.getChildren()[0].getChildren().length);
assertEquals(1, rootNode.getChildren()[1].getChildren().length);
}
@Test
public void testGetChildren() {
Trie trie = new Trie();
trie.add("aa");
trie.add("ab");
trie.add("bb");
Node rootNode = trie.getRoot();
assertEquals(2, rootNode.getChildren().length);
assertEquals(2, rootNode.getChildren()[0].getChildren().length);
assertEquals(1, rootNode.getChildren()[1].getChildren().length);
}
@Test
public void testSinglePath() {
Trie trie = new Trie();
assertTrue(trie.getRoot().hasSinglePath());
trie.add("abcdef");
assertTrue(trie.getRoot().hasSinglePath());
trie.add("abdfg");
Node rootNode = trie.getRoot();
assertEquals(2, rootNode.getChildren()[0].getChildren()[0].getChildren().length);
assertTrue(rootNode.getChildren()[0].getChildren()[0].getChildren()[0].hasSinglePath());
assertTrue(rootNode.getChildren()[0].getChildren()[0].getChildren()[1].hasSinglePath());
}
}