| /** |
| * 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.camel.util; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * @version |
| */ |
| public class CollectionHelperTest extends TestCase { |
| |
| private String[] names = new String[]{"Claus", "Willem", "Jonathan"}; |
| private List list = Arrays.asList(names); |
| |
| public void testCollectionAsCommaDelimitedString() { |
| assertEquals("Claus,Willem,Jonathan", CollectionHelper.collectionAsCommaDelimitedString(names)); |
| assertEquals("Claus,Willem,Jonathan", CollectionHelper.collectionAsCommaDelimitedString(list)); |
| |
| assertEquals("", CollectionHelper.collectionAsCommaDelimitedString((String[]) null)); |
| assertEquals("", CollectionHelper.collectionAsCommaDelimitedString((Collection) null)); |
| |
| assertEquals("Claus", CollectionHelper.collectionAsCommaDelimitedString(new String[]{"Claus"})); |
| } |
| |
| public void testSize() { |
| Map<String, Object> map = new HashMap<String, Object>(); |
| map.put("foo", 123); |
| map.put("bar", 456); |
| |
| assertEquals(2, CollectionHelper.size(map).intValue()); |
| |
| String[] array = new String[]{"Claus", "Willem"}; |
| assertEquals(2, CollectionHelper.size(array).intValue()); |
| } |
| |
| public void testAppendValue() { |
| Map map = new HashMap(); |
| CollectionHelper.appendValue(map, "foo", 123); |
| assertEquals(1, map.size()); |
| |
| CollectionHelper.appendValue(map, "foo", 456); |
| assertEquals(1, map.size()); |
| |
| CollectionHelper.appendValue(map, "bar", 789); |
| assertEquals(2, map.size()); |
| |
| List values = (List) map.get("foo"); |
| assertEquals(2, values.size()); |
| assertEquals(123, values.get(0)); |
| assertEquals(456, values.get(1)); |
| |
| Integer value = (Integer) map.get("bar"); |
| assertEquals(789, value.intValue()); |
| } |
| |
| } |