| /* |
| * 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.giraph.types.heaps; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| ${generated_message} |
| <#macro cast2><#if type2.lower == "byte">(${type2.lower}) </#if></#macro> |
| <#macro precision2><#if type2.lower == "float" || type2.lower == "double">, 0</#if></#macro> |
| |
| public class TestFixedCapacity${type1.camel}${type2.camel}MinHeap { |
| @Test |
| public void testHeap() { |
| int heapCapacity = 5; |
| FixedCapacity${type1.camel}${type2.camel}MinHeap heap = |
| new FixedCapacity${type1.camel}${type2.camel}MinHeap(heapCapacity); |
| ${type1.lower}[] keys = new ${type1.lower}[]{0, 1, 0, 10, 20, 0, 3, 4}; |
| ${type2.lower}[] values = new ${type2.lower}[]{ |
| <@cast2/>0, <@cast2/>1, <@cast2/>2, <@cast2/>2, <@cast2/>2, |
| <@cast2/>3, <@cast2/>3, <@cast2/>4}; |
| |
| List<Integer> positions = new ArrayList<>(); |
| for (int i = 0; i < keys.length; i++) { |
| positions.add(i); |
| } |
| Collections.shuffle(positions); |
| for (Integer position : positions) { |
| heap.add(keys[position], values[position]); |
| } |
| |
| for (int i = keys.length - heapCapacity; i < keys.length; i++) { |
| Assert.assertEquals(heap.size(), heapCapacity); |
| Assert.assertEquals(heap.getMinKey(), keys[i]); |
| Assert.assertEquals(heap.getMinValue(), values[i]<@precision2/>); |
| heap.removeMin(); |
| heapCapacity--; |
| } |
| Assert.assertTrue(heap.isEmpty()); |
| } |
| } |