View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.hadoop.chukwa.hicc;
19  
20  import java.util.Date;
21  import java.util.Random;
22  import java.util.TreeMap;
23  
24  import junit.framework.TestCase;
25  
26  public class AreaCalculatorTest extends TestCase {
27  
28    public void testGetAreaTreeMapOfStringTreeMapOfStringDouble() {
29      TreeMap<String, TreeMap<String, Double>> maps = new TreeMap<String, TreeMap<String, Double>>();
30      maps.put("abc", getDots());
31      maps.put("def", getDots());
32  
33      TreeMap<String, Double> areas = AreaCalculator.getAreas(maps);
34      System.out.println("Area of 'abc': " + areas.get("abc"));
35      System.out.println("Area of 'def': " + areas.get("def"));
36    }
37  
38    public void testGetAreaTreeMapOfStringDouble() {
39      TreeMap<String, Double> map = getDots();
40      System.out.println("Area: " + AreaCalculator.getArea(map));
41    }
42  
43    public void testGetAreaDoubleDoubleDoubleDouble() {
44      Double area = AreaCalculator.getArea(1, 4, 2, 4);
45      System.out.println(area);
46      assertEquals(true, area > 3.99999 && area < 4.00001);
47    }
48  
49    private TreeMap<String, Double> getDots() {
50      TreeMap<String, Double> map = new TreeMap<String, Double>();
51      long now = new Date().getTime();
52      Random r = new Random(now);
53      for (long i = 0; i < 4; i++) {
54        double value = r.nextInt(10) + 2;
55        System.out.println(now + ": " + value);
56        map.put(now + "", value);
57        now += 1000;
58      }
59      return map;
60    }
61  }