| /* |
| * 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.ode.utils.stl; |
| |
| import java.util.*; |
| |
| import junit.framework.TestCase; |
| |
| public class CollectionsXTest extends TestCase { |
| |
| public void testFilterByMemberOfFunction() { |
| List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar"); |
| Collection<Object> result = new ArrayList<Object>(); |
| CollectionsX.filter(result, src, new MemberOfFunction<Object>() { |
| public boolean isMember(Object o) { |
| return o.getClass().equals(String.class); |
| } |
| }); |
| assertEquals(2, result.size()); |
| Iterator results = result.iterator(); |
| assertEquals("foo", results.next()); |
| assertEquals("bar", results.next()); |
| } |
| |
| public void testFilterIteratorByClass() { |
| List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar"); |
| Collection<String> result = new ArrayList<String>(); |
| CollectionsX.filter(result, src.iterator(), String.class); |
| assertEquals(2, result.size()); |
| Iterator<String> results = result.iterator(); |
| assertEquals("foo", results.next()); |
| assertEquals("bar", results.next()); |
| } |
| |
| public void testFilterByClass() { |
| List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar"); |
| Collection<String> result = CollectionsX.filter(src, String.class); |
| assertEquals(2, result.size()); |
| Iterator<String> results = result.iterator(); |
| assertEquals("foo", results.next()); |
| assertEquals("bar", results.next()); |
| } |
| |
| public void testFilterByClassNoResult() { |
| List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar"); |
| Collection<Double> noresult = CollectionsX.filter(src, Double.class); |
| assertNotNull(noresult); |
| assertTrue(noresult.isEmpty()); |
| } |
| |
| } |