| /* |
| * 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.commons.math3.exception.util; |
| |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Test for {@link ArgUtils}. |
| * |
| */ |
| public class ArgUtilsTest { |
| @Test |
| public void testFlatten() { |
| final List<Object> orig = new ArrayList<Object>(); |
| |
| final Object[] struct = new Object[] { |
| new Object[] { |
| new Object[] { |
| create(orig), |
| create(orig), |
| }, |
| create(orig), |
| new Object[] { |
| create(orig), |
| } |
| }, |
| create(orig), |
| new Object[] { |
| create(orig), |
| new Object[] { |
| create(orig), |
| create(orig), |
| } |
| }, |
| create(orig), |
| }; |
| |
| Object[] flat = ArgUtils.flatten(struct); |
| Assert.assertEquals(flat.length, orig.size()); |
| |
| for (int i = 0, max = orig.size(); i < max; i++) { |
| Assert.assertEquals(orig.get(i), flat[i]); |
| } |
| } |
| |
| /** |
| * Create and store an {@code Object}. |
| * |
| * @param list List to store to. |
| * @return the stored object. |
| */ |
| private Object create(List<Object> list) { |
| final Object o = new Object(); |
| list.add(o); |
| return o; |
| } |
| } |