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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 | |
36 import junit.framework.TestCase; | |
37 | |
38 /** | |
39 * Tests for {@link SingleFieldBuilder}. This tests basic functionality. | |
40 * More extensive testing is provided via other tests that exercise the | |
41 * builder. | |
42 * | |
43 * @author jonp@google.com (Jon Perlow) | |
44 */ | |
45 public class SingleFieldBuilderTest extends TestCase { | |
46 | |
47 public void testBasicUseAndInvalidations() { | |
48 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
49 SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
50 TestAllTypesOrBuilder> builder = | |
51 new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
52 TestAllTypesOrBuilder>( | |
53 TestAllTypes.getDefaultInstance(), | |
54 mockParent, | |
55 false); | |
56 assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); | |
57 assertEquals(TestAllTypes.getDefaultInstance(), | |
58 builder.getBuilder().buildPartial()); | |
59 assertEquals(0, mockParent.getInvalidationCount()); | |
60 | |
61 builder.getBuilder().setOptionalInt32(10); | |
62 assertEquals(0, mockParent.getInvalidationCount()); | |
63 TestAllTypes message = builder.build(); | |
64 assertEquals(10, message.getOptionalInt32()); | |
65 | |
66 // Test that we receive invalidations now that build has been called. | |
67 assertEquals(0, mockParent.getInvalidationCount()); | |
68 builder.getBuilder().setOptionalInt32(20); | |
69 assertEquals(1, mockParent.getInvalidationCount()); | |
70 | |
71 // Test that we don't keep getting invalidations on every change | |
72 builder.getBuilder().setOptionalInt32(30); | |
73 assertEquals(1, mockParent.getInvalidationCount()); | |
74 | |
75 } | |
76 | |
77 public void testSetMessage() { | |
78 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
79 SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
80 TestAllTypesOrBuilder> builder = | |
81 new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
82 TestAllTypesOrBuilder>( | |
83 TestAllTypes.getDefaultInstance(), | |
84 mockParent, | |
85 false); | |
86 builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); | |
87 assertEquals(0, builder.getMessage().getOptionalInt32()); | |
88 | |
89 // Update message using the builder | |
90 builder.getBuilder().setOptionalInt32(1); | |
91 assertEquals(0, mockParent.getInvalidationCount()); | |
92 assertEquals(1, builder.getBuilder().getOptionalInt32()); | |
93 assertEquals(1, builder.getMessage().getOptionalInt32()); | |
94 builder.build(); | |
95 builder.getBuilder().setOptionalInt32(2); | |
96 assertEquals(2, builder.getBuilder().getOptionalInt32()); | |
97 assertEquals(2, builder.getMessage().getOptionalInt32()); | |
98 | |
99 // Make sure message stays cached | |
100 assertSame(builder.getMessage(), builder.getMessage()); | |
101 } | |
102 | |
103 public void testClear() { | |
104 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
105 SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
106 TestAllTypesOrBuilder> builder = | |
107 new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
108 TestAllTypesOrBuilder>( | |
109 TestAllTypes.getDefaultInstance(), | |
110 mockParent, | |
111 false); | |
112 builder.setMessage(TestAllTypes.newBuilder().setOptionalInt32(0).build()); | |
113 assertNotSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); | |
114 builder.clear(); | |
115 assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); | |
116 | |
117 builder.getBuilder().setOptionalInt32(1); | |
118 assertNotSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); | |
119 builder.clear(); | |
120 assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); | |
121 } | |
122 | |
123 public void testMerge() { | |
124 TestUtil.MockBuilderParent mockParent = new TestUtil.MockBuilderParent(); | |
125 SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
126 TestAllTypesOrBuilder> builder = | |
127 new SingleFieldBuilder<TestAllTypes, TestAllTypes.Builder, | |
128 TestAllTypesOrBuilder>( | |
129 TestAllTypes.getDefaultInstance(), | |
130 mockParent, | |
131 false); | |
132 | |
133 // Merge into default field. | |
134 builder.mergeFrom(TestAllTypes.getDefaultInstance()); | |
135 assertSame(TestAllTypes.getDefaultInstance(), builder.getMessage()); | |
136 | |
137 // Merge into non-default field on existing builder. | |
138 builder.getBuilder().setOptionalInt32(2); | |
139 builder.mergeFrom(TestAllTypes.newBuilder() | |
140 .setOptionalDouble(4.0) | |
141 .buildPartial()); | |
142 assertEquals(2, builder.getMessage().getOptionalInt32()); | |
143 assertEquals(4.0, builder.getMessage().getOptionalDouble()); | |
144 | |
145 // Merge into non-default field on existing message | |
146 builder.setMessage(TestAllTypes.newBuilder() | |
147 .setOptionalInt32(10) | |
148 .buildPartial()); | |
149 builder.mergeFrom(TestAllTypes.newBuilder() | |
150 .setOptionalDouble(5.0) | |
151 .buildPartial()); | |
152 assertEquals(10, builder.getMessage().getOptionalInt32()); | |
153 assertEquals(5.0, builder.getMessage().getOptionalDouble()); | |
154 } | |
155 } | |
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