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1
4 package com.tc.object.dna.impl;
5
6 import com.tc.io.TCByteBufferInputStream;
7 import com.tc.io.TCByteBufferOutputStream;
8 import com.tc.object.ObjectID;
9 import com.tc.object.bytecode.MockClassProvider;
10 import com.tc.object.dna.api.DNACursor;
11 import com.tc.object.dna.api.DNAWriter;
12 import com.tc.object.dna.api.LogicalAction;
13 import com.tc.object.dna.api.PhysicalAction;
14 import com.tc.object.loaders.ClassProvider;
15
16 import java.util.Arrays  ;
17
18 import junit.framework.TestCase;
19
20 public class VersionizedDNAWrapperTest extends TestCase {
21
22 public void testResettingDNACursor() throws Exception {
23 TCByteBufferOutputStream out = new TCByteBufferOutputStream();
24
25 final ObjectID id = new ObjectID(1);
26 final ObjectID pid = new ObjectID(2);
27 final String type = getClass().getName();
28 final int arrayLen = 42;
29 ObjectStringSerializer serializer = new ObjectStringSerializer();
30 ClassProvider classProvider = new MockClassProvider();
31 DNAEncoding encoding = new DNAEncoding(classProvider);
32 DNAWriter dnaWriter = createDNAWriter(out, id, type, serializer, encoding, "loader description");
33 PhysicalAction action1 = new PhysicalAction("class.field1", new Integer (1), false);
34 LogicalAction action2 = new LogicalAction(12, new Object [] { "key", "value" });
35 PhysicalAction action3 = new PhysicalAction("class.field2", new ObjectID(3), true);
36 dnaWriter.addPhysicalAction(action1.getFieldName(), action1.getObject());
37 dnaWriter.addLogicalAction(action2.getMethod(), action2.getParameters());
38 dnaWriter.addPhysicalAction(action3.getFieldName(), action3.getObject());
39 dnaWriter.setParentObjectID(pid);
40 dnaWriter.setArrayLength(arrayLen);
41 dnaWriter.finalizeDNA();
42
43 TCByteBufferInputStream in = new TCByteBufferInputStream(out.toArray());
44 DNAImpl dna = createDNAImpl(serializer, true);
45 assertSame(dna, dna.deserializeFrom(in));
46 assertEquals(0, in.available());
47
48 VersionizedDNAWrapper vdna = new VersionizedDNAWrapper(dna, 10);
49 assertEquals(10, vdna.getVersion());
50 try {
51 vdna.getCursor().reset();
52 assertTrue(false);
53 } catch(UnsupportedOperationException use) {
54 }
56
57 vdna = new VersionizedDNAWrapper(dna, 10, true);
58 DNACursor cursor = vdna.getCursor();
59 cursor.reset();
60 assertTrue(cursor.next(encoding));
61 compareAction(action1, cursor.getPhysicalAction());
62 cursor.reset();
63 assertTrue(cursor.next(encoding));
64 compareAction(action1, cursor.getPhysicalAction());
65 assertTrue(cursor.next(encoding));
66 compareAction(action2, cursor.getLogicalAction());
67 cursor.reset();
68 assertTrue(cursor.next(encoding));
69 compareAction(action1, cursor.getPhysicalAction());
70 assertTrue(cursor.next(encoding));
71 compareAction(action2, cursor.getLogicalAction());
72 assertTrue(cursor.next(encoding));
73 compareAction(action3, cursor.getPhysicalAction());
74 assertFalse(cursor.next(encoding));
75 cursor.reset();
76 assertTrue(cursor.next(encoding));
77 compareAction(action1, cursor.getPhysicalAction());
78 assertTrue(cursor.next(encoding));
79 compareAction(action2, cursor.getLogicalAction());
80 assertTrue(cursor.next(encoding));
81 compareAction(action3, cursor.getPhysicalAction());
82 assertFalse(cursor.next(encoding));
83 }
84
85 protected DNAImpl createDNAImpl(ObjectStringSerializer serializer, boolean b) {
86 return new DNAImpl(serializer, b);
87 }
88
89 protected DNAWriter createDNAWriter(TCByteBufferOutputStream out, ObjectID id, String type,
90 ObjectStringSerializer serializer, DNAEncoding encoding, String string) {
91 return new DNAWriterImpl(out, id, type, serializer, encoding, "loader description", true);
92 }
93
94 private void compareAction(LogicalAction expect, LogicalAction actual) {
95 assertEquals(expect.getMethod(), actual.getMethod());
96 assertTrue(Arrays.equals(expect.getParameters(), actual.getParameters()));
97 }
98
99 private void compareAction(PhysicalAction expect, PhysicalAction actual) {
100 assertEquals(expect.getFieldName(), actual.getFieldName());
101 assertEquals(expect.getObject(), actual.getObject());
102 assertEquals(expect.isReference(), actual.isReference());
103 }
104
105 }
106 |
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