1   /**
2    * Copyright 2008 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.util;
21  
22  import java.util.SortedMap;
23  import java.util.TreeMap;
24  
25  public class SoftValueSortedMapTest {
26    private static void testMap(SortedMap<Integer, Integer> map) {
27      System.out.println("Testing " + map.getClass());
28      for(int i = 0; i < 1000000; i++) {
29        map.put(i, i);
30      }
31      System.out.println(map.size());
32      @SuppressWarnings("unused")
33      byte[] block = new byte[849*1024*1024]; // FindBugs DLS_DEAD_LOCAL_STORE
34      System.out.println(map.size());
35    }
36  
37    public static void main(String[] args) {
38      testMap(new SoftValueSortedMap<Integer, Integer>());
39      testMap(new TreeMap<Integer, Integer>());
40    }
41  }