| /* |
| * 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.wayang.core.util; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| /** |
| * Test suite for {@link WayangCollections}. |
| */ |
| public class WayangCollectionsTest { |
| |
| @Test |
| public void testCreatePowerList() { |
| final List<Integer> list = WayangArrays.asList(0, 1, 2, 3, 4); |
| final Collection<List<Integer>> powerList = WayangCollections.createPowerList(list, 3); |
| Assert.assertEquals(1 + 5 + 10 + 10, powerList.size()); |
| List<List<Integer>> expectedPowerSetMembers = Arrays.asList( |
| WayangArrays.asList(), |
| WayangArrays.asList(0), WayangArrays.asList(1), WayangArrays.asList(2), WayangArrays.asList(3), WayangArrays.asList(4), |
| WayangArrays.asList(0, 1), WayangArrays.asList(0, 2), WayangArrays.asList(0, 3), WayangArrays.asList(0, 4), WayangArrays.asList(1, 2), |
| WayangArrays.asList(1, 3), WayangArrays.asList(1, 4), WayangArrays.asList(2, 3), WayangArrays.asList(2, 4), WayangArrays.asList(3, 4), |
| WayangArrays.asList(0, 1, 2), WayangArrays.asList(0, 1, 3), WayangArrays.asList(0, 1, 4), WayangArrays.asList(0, 2, 3), WayangArrays.asList(0, 2, 4), |
| WayangArrays.asList(0, 3, 4), WayangArrays.asList(1, 2, 3), WayangArrays.asList(1, 2, 4), WayangArrays.asList(1, 3, 4), WayangArrays.asList(2, 3, 4) |
| ); |
| for (List<Integer> expectedPowerSetMember : expectedPowerSetMembers) { |
| Assert.assertTrue(String.format("%s is not contained in %s.", expectedPowerSetMember, powerList), powerList.contains(expectedPowerSetMember)); |
| } |
| } |
| |
| } |