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1 // Protocol Buffers - Google's data interchange format | |
2 // Copyright 2008 Google Inc. All rights reserved. | |
3 // https://developers.google.com/protocol-buffers/ | |
4 // | |
5 // Redistribution and use in source and binary forms, with or without | |
6 // modification, are permitted provided that the following conditions are | |
7 // met: | |
8 // | |
9 // * Redistributions of source code must retain the above copyright | |
10 // notice, this list of conditions and the following disclaimer. | |
11 // * Redistributions in binary form must reproduce the above | |
12 // copyright notice, this list of conditions and the following disclaimer | |
13 // in the documentation and/or other materials provided with the | |
14 // distribution. | |
15 // * Neither the name of Google Inc. nor the names of its | |
16 // contributors may be used to endorse or promote products derived from | |
17 // this software without specific prior written permission. | |
18 // | |
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
30 | |
31 package com.google.protobuf; | |
32 | |
33 import protobuf_unittest.UnittestProto.TestAllTypes; | |
34 import protobuf_unittest.UnittestProto.TestAllTypesOrBuilder; | |
35 import java.util.Collections; | |
36 import java.util.List; | |
37 import junit.framework.TestCase; | |
38 | |
39 /** | |
40 * Tests for {@link RepeatedFieldBuilderV3}. This tests basic functionality. | |
41 * More extensive testing is provided via other tests that exercise the | |
42 * builder. | |
43 * | |
44 * @author jonp@google.com (Jon Perlow) | |
45 */ | |
46 public class RepeatedFieldBuilderV3Test extends TestCase { | |
47 | |
48 public void testBasicUse() { | |
49 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
50 RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, | |
51 TestAllTypesOrBuilder> builder = newRepeatedFieldBuilderV3(mockParent); | |
52 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); | |
53 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); | |
54 assertEquals(0, builder.getMessage(0).getOptionalInt32()); | |
55 assertEquals(1, builder.getMessage(1).getOptionalInt32()); | |
56 | |
57 List<TestAllTypes> list = builder.build(); | |
58 assertEquals(2, list.size()); | |
59 assertEquals(0, list.get(0).getOptionalInt32()); | |
60 assertEquals(1, list.get(1).getOptionalInt32()); | |
61 assertIsUnmodifiable(list); | |
62 | |
63 // Make sure it doesn't change. | |
64 List<TestAllTypes> list2 = builder.build(); | |
65 assertSame(list, list2); | |
66 assertEquals(0, mockParent.getInvalidationCount()); | |
67 } | |
68 | |
69 public void testGoingBackAndForth() { | |
70 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
71 RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, | |
72 TestAllTypesOrBuilder> builder = newRepeatedFieldBuilderV3(mockParent); | |
73 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); | |
74 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); | |
75 assertEquals(0, builder.getMessage(0).getOptionalInt32()); | |
76 assertEquals(1, builder.getMessage(1).getOptionalInt32()); | |
77 | |
78 // Convert to list | |
79 List<TestAllTypes> list = builder.build(); | |
80 assertEquals(2, list.size()); | |
81 assertEquals(0, list.get(0).getOptionalInt32()); | |
82 assertEquals(1, list.get(1).getOptionalInt32()); | |
83 assertIsUnmodifiable(list); | |
84 | |
85 // Update 0th item | |
86 assertEquals(0, mockParent.getInvalidationCount()); | |
87 builder.getBuilder(0).setOptionalString("foo"); | |
88 assertEquals(1, mockParent.getInvalidationCount()); | |
89 list = builder.build(); | |
90 assertEquals(2, list.size()); | |
91 assertEquals(0, list.get(0).getOptionalInt32()); | |
92 assertEquals("foo", list.get(0).getOptionalString()); | |
93 assertEquals(1, list.get(1).getOptionalInt32()); | |
94 assertIsUnmodifiable(list); | |
95 assertEquals(1, mockParent.getInvalidationCount()); | |
96 } | |
97 | |
98 public void testVariousMethods() { | |
99 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
100 RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, | |
101 TestAllTypesOrBuilder> builder = newRepeatedFieldBuilderV3(mockParent); | |
102 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); | |
103 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(2).build()); | |
104 builder.addBuilder(0, TestAllTypes.getDefaultInstance()) | |
105 .setOptionalInt32(0); | |
106 builder.addBuilder(TestAllTypes.getDefaultInstance()).setOptionalInt32(3); | |
107 | |
108 assertEquals(0, builder.getMessage(0).getOptionalInt32()); | |
109 assertEquals(1, builder.getMessage(1).getOptionalInt32()); | |
110 assertEquals(2, builder.getMessage(2).getOptionalInt32()); | |
111 assertEquals(3, builder.getMessage(3).getOptionalInt32()); | |
112 | |
113 assertEquals(0, mockParent.getInvalidationCount()); | |
114 List<TestAllTypes> messages = builder.build(); | |
115 assertEquals(4, messages.size()); | |
116 assertSame(messages, builder.build()); // expect same list | |
117 | |
118 // Remove a message. | |
119 builder.remove(2); | |
120 assertEquals(1, mockParent.getInvalidationCount()); | |
121 assertEquals(3, builder.getCount()); | |
122 assertEquals(0, builder.getMessage(0).getOptionalInt32()); | |
123 assertEquals(1, builder.getMessage(1).getOptionalInt32()); | |
124 assertEquals(3, builder.getMessage(2).getOptionalInt32()); | |
125 | |
126 // Remove a builder. | |
127 builder.remove(0); | |
128 assertEquals(1, mockParent.getInvalidationCount()); | |
129 assertEquals(2, builder.getCount()); | |
130 assertEquals(1, builder.getMessage(0).getOptionalInt32()); | |
131 assertEquals(3, builder.getMessage(1).getOptionalInt32()); | |
132 | |
133 // Test clear. | |
134 builder.clear(); | |
135 assertEquals(1, mockParent.getInvalidationCount()); | |
136 assertEquals(0, builder.getCount()); | |
137 assertTrue(builder.isEmpty()); | |
138 } | |
139 | |
140 public void testLists() { | |
141 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
142 RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, | |
143 TestAllTypesOrBuilder> builder = newRepeatedFieldBuilderV3(mockParent); | |
144 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(1).build()); | |
145 builder.addMessage(0, | |
146 TestAllTypes.newBuilder().setOptionalInt32(0).build()); | |
147 assertEquals(0, builder.getMessage(0).getOptionalInt32()); | |
148 assertEquals(1, builder.getMessage(1).getOptionalInt32()); | |
149 | |
150 // Use list of builders. | |
151 List<TestAllTypes.Builder> builders = builder.getBuilderList(); | |
152 assertEquals(0, builders.get(0).getOptionalInt32()); | |
153 assertEquals(1, builders.get(1).getOptionalInt32()); | |
154 builders.get(0).setOptionalInt32(10); | |
155 builders.get(1).setOptionalInt32(11); | |
156 | |
157 // Use list of protos | |
158 List<TestAllTypes> protos = builder.getMessageList(); | |
159 assertEquals(10, protos.get(0).getOptionalInt32()); | |
160 assertEquals(11, protos.get(1).getOptionalInt32()); | |
161 | |
162 // Add an item to the builders and verify it's updated in both | |
163 builder.addMessage(TestAllTypes.newBuilder().setOptionalInt32(12).build()); | |
164 assertEquals(3, builders.size()); | |
165 assertEquals(3, protos.size()); | |
166 } | |
167 | |
168 private void assertIsUnmodifiable(List<?> list) { | |
169 if (list == Collections.emptyList()) { | |
170 // OKAY -- Need to check this b/c EmptyList allows you to call clear. | |
171 } else { | |
172 try { | |
173 list.clear(); | |
174 fail("List wasn't immutable"); | |
175 } catch (UnsupportedOperationException e) { | |
176 // good | |
177 } | |
178 } | |
179 } | |
180 | |
181 private RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, | |
182 TestAllTypesOrBuilder> | |
183 newRepeatedFieldBuilderV3(GeneratedMessage.BuilderParent parent) { | |
184 return new RepeatedFieldBuilderV3<TestAllTypes, TestAllTypes.Builder, | |
185 TestAllTypesOrBuilder>(Collections.<TestAllTypes>emptyList(), false, | |
186 parent, false); | |
187 } | |
188 } | |
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