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1 package com.thoughtworks.acceptance;
2
3 import java.io.Externalizable  ;
4 import java.io.IOException ;
5 import java.io.ObjectInput ;
6 import java.io.ObjectOutput ;
7
8 public class ExternalizableTest extends AbstractAcceptanceTest {
9
10 public static class SomethingExternalizable extends StandardObject implements Externalizable {
11
12 private String first;
13 private String last;
14
15 public SomethingExternalizable() {
16 }
17
18 public SomethingExternalizable(String first, String last) {
19 this.first = first;
20 this.last = last;
21 }
22
23 public void writeExternal(ObjectOutput out) throws IOException {
24 out.writeInt(first.length());
25 out.writeObject(first + last);
26 }
27
28 public void readExternal(ObjectInput in) throws IOException , ClassNotFoundException {
29 int offset = in.readInt();
30 String full = (String ) in.readObject();
31 first = full.substring(0, offset);
32 last = full.substring(offset);
33 }
34 }
35
36 public void testExternalizable() {
37 xstream.alias("something", SomethingExternalizable.class);
38
39 SomethingExternalizable in = new SomethingExternalizable("Joe", "Walnes");
40
41 String expected = ""
42 + "<something>\n"
43 + " <int>3</int>\n"
44 + " <string>JoeWalnes</string>\n"
45 + "</something>";
46
47 assertBothWays(in, expected);
48 }
49
50 static class Owner extends StandardObject {
51 SomethingExternalizable target;
52 }
53
54 public void testExternalizableAsFieldOfAnotherObject() {
55 xstream.alias("something", SomethingExternalizable.class);
56 xstream.alias("owner", Owner.class);
57
58 Owner in = new Owner();
59 in.target = new SomethingExternalizable("Joe", "Walnes");
60
61 String expected = ""
62 + "<owner>\n"
63 + " <target>\n"
64 + " <int>3</int>\n"
65 + " <string>JoeWalnes</string>\n"
66 + " </target>\n"
67 + "</owner>";
68
69 assertBothWays(in, expected);
70 }
71
72 }
73 |
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