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1 // Protocol Buffers - Google's data interchange format | |
2 // Copyright 2008 Google Inc. All rights reserved. | |
3 // http://code.google.com/p/protobuf/ | |
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.test; | |
32 import com.google.protobuf.*; | |
33 | |
34 import junit.framework.TestCase; | |
35 | |
36 import java.util.Iterator; | |
37 import java.util.ListIterator; | |
38 | |
39 /** | |
40 * Tests for {@link UnmodifiableLazyStringList}. | |
41 * | |
42 * @author jonp@google.com (Jon Perlow) | |
43 */ | |
44 public class UnmodifiableLazyStringListTest extends TestCase { | |
45 | |
46 private static String STRING_A = "A"; | |
47 private static String STRING_B = "B"; | |
48 private static String STRING_C = "C"; | |
49 | |
50 private static ByteString BYTE_STRING_A = ByteString.copyFromUtf8("A"); | |
51 private static ByteString BYTE_STRING_B = ByteString.copyFromUtf8("B"); | |
52 private static ByteString BYTE_STRING_C = ByteString.copyFromUtf8("C"); | |
53 | |
54 public void testReadOnlyMethods() { | |
55 LazyStringArrayList rawList = createSampleList(); | |
56 UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList); | |
57 assertEquals(3, list.size()); | |
58 assertSame(STRING_A, list.get(0)); | |
59 assertSame(STRING_B, list.get(1)); | |
60 assertSame(STRING_C, list.get(2)); | |
61 assertEquals(BYTE_STRING_A, list.getByteString(0)); | |
62 assertEquals(BYTE_STRING_B, list.getByteString(1)); | |
63 assertEquals(BYTE_STRING_C, list.getByteString(2)); | |
64 } | |
65 | |
66 public void testModifyMethods() { | |
67 LazyStringArrayList rawList = createSampleList(); | |
68 UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList); | |
69 | |
70 try { | |
71 list.remove(0); | |
72 fail(); | |
73 } catch (UnsupportedOperationException e) { | |
74 // expected | |
75 } | |
76 assertEquals(3, list.size()); | |
77 | |
78 try { | |
79 list.add(STRING_B); | |
80 fail(); | |
81 } catch (UnsupportedOperationException e) { | |
82 // expected | |
83 } | |
84 assertEquals(3, list.size()); | |
85 | |
86 try { | |
87 list.set(1, STRING_B); | |
88 fail(); | |
89 } catch (UnsupportedOperationException e) { | |
90 // expected | |
91 } | |
92 } | |
93 | |
94 public void testIterator() { | |
95 LazyStringArrayList rawList = createSampleList(); | |
96 UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList); | |
97 | |
98 Iterator<String> iter = list.iterator(); | |
99 int count = 0; | |
100 while (iter.hasNext()) { | |
101 iter.next(); | |
102 count++; | |
103 try { | |
104 iter.remove(); | |
105 fail(); | |
106 } catch (UnsupportedOperationException e) { | |
107 // expected | |
108 } | |
109 } | |
110 assertEquals(3, count); | |
111 | |
112 } | |
113 | |
114 public void testListIterator() { | |
115 LazyStringArrayList rawList = createSampleList(); | |
116 UnmodifiableLazyStringList list = new UnmodifiableLazyStringList(rawList); | |
117 | |
118 ListIterator<String> iter = list.listIterator(); | |
119 int count = 0; | |
120 while (iter.hasNext()) { | |
121 iter.next(); | |
122 count++; | |
123 try { | |
124 iter.remove(); | |
125 fail(); | |
126 } catch (UnsupportedOperationException e) { | |
127 // expected | |
128 } | |
129 try { | |
130 iter.set("bar"); | |
131 fail(); | |
132 } catch (UnsupportedOperationException e) { | |
133 // expected | |
134 } | |
135 try { | |
136 iter.add("bar"); | |
137 fail(); | |
138 } catch (UnsupportedOperationException e) { | |
139 // expected | |
140 } | |
141 } | |
142 assertEquals(3, count); | |
143 | |
144 } | |
145 | |
146 private LazyStringArrayList createSampleList() { | |
147 LazyStringArrayList rawList = new LazyStringArrayList(); | |
148 rawList.add(STRING_A); | |
149 rawList.add(STRING_B); | |
150 rawList.add(STRING_C); | |
151 return rawList; | |
152 } | |
153 } | |
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