|
1 package org.incava.util;
2
3 import java.awt.Point  ;
4 import java.io.*;
5 import java.util.*;
6 import junit.framework.TestCase;
7
8
9 public class TestCollect extends TestCase
10 {
11 public TestCollect(String name)
12 {
13 super(name);
14 }
15
16 public void test()
17 {
18 List list = new ArrayList();
19 list.add("one");
20 list.add("two");
21 list.add("three");
22 list.add("four");
23
24 List collected = new Collect(list) {
25 public boolean where(Object obj) {
26 return ((String )obj).indexOf('o') != -1;
27 }
28 };
29 assertEquals(3, collected.size());
30 assertEquals("one", (String )collected.get(0));
31 assertEquals("two", (String )collected.get(1));
32 assertEquals("four", (String )collected.get(2));
33 }
34
35 public void testBlock()
36 {
37 List list = new ArrayList();
38 list.add(new Point (4, 5));
39 list.add(new Point (2, 15));
40 list.add(new Point (9, 11));
41 list.add(new Point (24, 7));
42 list.add(new Point (3, 12));
43
44 List collected = new Collect(list) {
45 public boolean where(Object obj) {
46 return ((Point )obj).x % 2 == 0;
47 }
48
49 public Object block(Object obj) {
50 Point pt = (Point )obj;
51 return new Integer (pt.y);
52 }
53 };
54 assertEquals(3, collected.size());
55 assertEquals(new Integer (5), (Integer )collected.get(0));
56 assertEquals(new Integer (15), (Integer )collected.get(1));
57 assertEquals(new Integer (7), (Integer )collected.get(2));
58 }
59
60 }
61 |
Popular Tags |
Java API By Example, From Geeks To Geeks.