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1 package com.tonbeller.wcf.changeorder;
2
3 import java.util.ArrayList  ;
4 import java.util.Arrays ;
5
6 import junit.framework.TestCase;
7
8
11 public class ChangeOrderUtilsTest extends TestCase {
12
13 Object [] array;
14 ArrayList list;
15
16 public ChangeOrderUtilsTest(String arg0) {
17 super(arg0);
18 }
19
20 protected void setUp() {
21 array = new Object [] {"A", "B", "C", "D" };
22 list = new ArrayList ();
23 list.addAll(Arrays.asList(array));
24 }
25
26 void move(int oldIndex, int newIndex) {
27 ChangeOrderUtils.move(array, oldIndex, newIndex);
28 ChangeOrderUtils.move(list, oldIndex, newIndex);
29 }
30
31 void assertExpected(String s) {
32 char c[] = s.toCharArray();
33 assertEquals(c.length, array.length);
34 assertEquals(c.length, list.size());
35 for (int i = 0; i < c.length; i++) {
36 String cs = "" + c[i];
37 String is = "" + i;
38 assertEquals(is, cs, array[i]);
39 assertEquals(is, cs, list.get(i));
40 }
41 }
42
43 void check(int oldIndex, int newIndex, String expected) {
44 setUp();
45 move(oldIndex, newIndex);
46 assertExpected(expected);
47 }
48
49 public void testOutOfBounds() {
50 check(0, -1, "ABCD");
51 check(-1, 0, "ABCD");
52 check(-1, -1, "ABCD");
53 check(0, 11, "ABCD");
54 check(11, 1, "ABCD");
55 check(11, -99, "ABCD");
56 }
57
58 public void checkEquals() {
59 check(0,0,"ABCD");
60 check(1,1,"ABCD");
61 check(2,2,"ABCD");
62 check(3,3,"ABCD");
63 }
64
65 public void testAll() {
66 check(0, 0, "ABCD");
67 check(0, 1, "BACD");
68 check(0, 2, "BCAD");
69 check(0, 3, "BCDA");
70
71 check(1, 0, "BACD");
72 check(1, 1, "ABCD");
73 check(1, 2, "ACBD");
74 check(1, 3, "ACDB");
75
76 check(2, 0, "CABD");
77 check(2, 1, "ACBD");
78 check(2, 2, "ABCD");
79 check(2, 3, "ABDC");
80
81 check(3, 0, "DABC");
82 check(3, 1, "ADBC");
83 check(3, 2, "ABDC");
84 check(3, 3, "ABCD");
85 }
86
87 }
88 |
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