/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.jena.atlas.lib;
import static org.apache.jena.atlas.lib.ListUtils.unique ;
import java.util.ArrayList ;
import java.util.Arrays ;
import java.util.List ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.junit.Test ;
public class TestListUtils extends BaseTest
{
@Test public void list01()
{
List<Integer> x = Arrays.asList(1,2,3) ;
x = unique(x) ;
assertEquals(3, x.size()) ;
test(x, 1,2,3) ;
}
@Test public void list02()
{
List<Integer> x = Arrays.asList(1,2,3,1,3,2) ;
x = unique(x) ;
assertEquals(3, x.size()) ;
test(x, 1,2,3) ;
}
@Test public void list03()
{
List<Integer> x = new ArrayList<>() ;
x = unique(x) ;
assertEquals(0, x.size()) ;
test(x) ;
}
@Test public void list04()
{
List<Integer> x = Arrays.asList(99) ;
x = unique(x) ;
assertEquals(1, x.size()) ;
test(x, 99) ;
}
@Test public void list05()
{
List<Integer> x = Arrays.asList(1,1,2,3,1,1,3) ;
x = unique(x) ;
assertEquals(3, x.size()) ;
test(x, 1,2,3) ;
}
private void test(List<Integer> x, int... args)
{
assertEquals(args.length, x.size()) ;
for ( int i = 0; i < args.length ; i++ )
assertEquals(args[i], x.get(i).intValue()) ;
}
}