/
IndexedIteratorTest.java
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/
IndexedIteratorTest.java
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/*
* Copyright 2012-2024 CodeLibs Project and the Others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* 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 org.codelibs.core.collection;
import static org.codelibs.core.collection.CollectionsUtil.newArrayList;
import static org.codelibs.core.collection.IndexedIterator.indexed;
import static org.codelibs.core.io.LineIterator.iterable;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.junit.Assert.assertThat;
import java.io.StringReader;
import java.util.List;
import org.junit.Test;
/**
* @author wyukawa
*
*/
public class IndexedIteratorTest {
/**
* @throws Exception
*/
@Test
public void test() throws Exception {
final List<String> list = newArrayList();
list.add("aaa");
list.add("bbb");
list.add("ccc");
final IndexedIterator<String> it = new IndexedIterator<String>(list.iterator());
assertThat(it.hasNext(), is(true));
final Indexed<String> indexed1 = it.next();
assertThat(indexed1.getIndex(), is(0));
assertThat(indexed1.getElement(), is("aaa"));
final Indexed<String> indexed2 = it.next();
assertThat(indexed2.getIndex(), is(1));
assertThat(indexed2.getElement(), is("bbb"));
final Indexed<String> indexed3 = it.next();
assertThat(indexed3.getIndex(), is(2));
assertThat(indexed3.getElement(), is("ccc"));
assertThat(it.hasNext(), is(not(true)));
}
/**
* @throws Exception
*/
@Test
public void testForEach() throws Exception {
final List<String> list = newArrayList();
list.add("aaa");
list.add("bbb");
list.add("ccc");
for (final Indexed<String> indexed : indexed(list)) {
System.out.println(indexed.getIndex());
System.out.println(indexed.getElement());
}
}
/**
* @throws Exception
*/
@Test
public void testForEachLineIterator() throws Exception {
final StringReader reader = new StringReader("aaa\nbbb\nccc\n");
for (final Indexed<String> indexed : indexed(iterable(reader))) {
System.out.println(indexed.getIndex());
System.out.println(indexed.getElement());
}
}
}