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1 package com.thoughtworks.acceptance;
2
3 import java.util.ArrayList  ;
4 import java.util.List ;
5
6 public abstract class AbstractDuplicateReferenceTest extends AbstractAcceptanceTest {
7
8 protected void setUp() throws Exception {
9 super.setUp();
10 xstream.alias("thing", Thing.class);
11 }
12
13 public void testReferencesAreWorking() {
14
15 Thing sameThing = new Thing("hello");
16 Thing anotherThing = new Thing("hello");
17
18 List list = new ArrayList ();
19 list.add(sameThing);
20 list.add(sameThing);
21 list.add(anotherThing);
22
23 String xml = xstream.toXML(list);
24 List result = (List ) xstream.fromXML(xml);
25
26 assertEquals(list, result);
27 }
28
29 public void testReferencesAreTheSameObjectWhenDeserialized() {
30
31 Thing sameThing = new Thing("hello");
32 Thing anotherThing = new Thing("hello");
33
34 List list = new ArrayList ();
35 list.add(sameThing);
36 list.add(sameThing);
37 list.add(anotherThing);
38
39 String xml = xstream.toXML(list);
40 List result = (List ) xstream.fromXML(xml);
41
42 Thing t0 = (Thing) result.get(0);
43 Thing t1 = (Thing) result.get(1);
44 Thing t2 = (Thing) result.get(2);
45
46 t0.field = "bye";
47
48 assertEquals("bye", t0.field);
49 assertEquals("bye", t1.field);
50 assertEquals("hello", t2.field);
51
52 }
53
54 public static class Thing extends StandardObject {
55 public String field;
56
57 public Thing() {
58 }
59
60 public Thing(String field) {
61 this.field = field;
62 }
63 }
64
65 public static class MultRef {
66 public Object s1 = new Object ();
67 public Object s2 = s1;
68 }
69
70 public void testMultipleReferencesToObjectsWithNoChildren() {
71 MultRef in = new MultRef();
72 assertSame(in.s1, in.s2);
73
74 String xml = xstream.toXML(in);
75 MultRef out = (MultRef) xstream.fromXML(xml);
76
77 assertSame(out.s1, out.s2);
78 }
79
80
81 }
82 |
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