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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 }