1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/version.h"
6
7 #include <stddef.h>
8 #include <stdint.h>
9 #include <utility>
10
11 #include "base/macros.h"
12 #include "testing/gtest/include/gtest/gtest.h"
13
14 namespace {
15
TEST(VersionTest,DefaultConstructor)16 TEST(VersionTest, DefaultConstructor) {
17 base::Version v;
18 EXPECT_FALSE(v.IsValid());
19 }
20
TEST(VersionTest,ValueSemantics)21 TEST(VersionTest, ValueSemantics) {
22 base::Version v1("1.2.3.4");
23 EXPECT_TRUE(v1.IsValid());
24 base::Version v3;
25 EXPECT_FALSE(v3.IsValid());
26 {
27 base::Version v2(v1);
28 v3 = v2;
29 EXPECT_TRUE(v2.IsValid());
30 EXPECT_EQ(v1, v2);
31 }
32 EXPECT_EQ(v3, v1);
33 }
34
TEST(VersionTest,MoveSemantics)35 TEST(VersionTest, MoveSemantics) {
36 const std::vector<uint32_t> components = {1, 2, 3, 4};
37 base::Version v1(std::move(components));
38 EXPECT_TRUE(v1.IsValid());
39 base::Version v2("1.2.3.4");
40 EXPECT_EQ(v1, v2);
41 }
42
TEST(VersionTest,GetVersionFromString)43 TEST(VersionTest, GetVersionFromString) {
44 static const struct version_string {
45 const char* input;
46 size_t parts;
47 uint32_t firstpart;
48 bool success;
49 } cases[] = {
50 {"", 0, 0, false},
51 {" ", 0, 0, false},
52 {"\t", 0, 0, false},
53 {"\n", 0, 0, false},
54 {" ", 0, 0, false},
55 {".", 0, 0, false},
56 {" . ", 0, 0, false},
57 {"0", 1, 0, true},
58 {"0.", 0, 0, false},
59 {"0.0", 2, 0, true},
60 {"4294967295.0", 2, 4294967295, true},
61 {"4294967296.0", 0, 0, false},
62 {"-1.0", 0, 0, false},
63 {"1.-1.0", 0, 0, false},
64 {"1,--1.0", 0, 0, false},
65 {"+1.0", 0, 0, false},
66 {"1.+1.0", 0, 0, false},
67 {"1+1.0", 0, 0, false},
68 {"++1.0", 0, 0, false},
69 {"1.0a", 0, 0, false},
70 {"1.2.3.4.5.6.7.8.9.0", 10, 1, true},
71 {"02.1", 0, 0, false},
72 {"0.01", 2, 0, true},
73 {"f.1", 0, 0, false},
74 {"15.007.20011", 3, 15, true},
75 {"15.5.28.130162", 4, 15, true},
76 };
77
78 for (const auto& i : cases) {
79 base::Version version(i.input);
80 EXPECT_EQ(i.success, version.IsValid());
81 if (i.success) {
82 EXPECT_EQ(i.parts, version.components().size());
83 EXPECT_EQ(i.firstpart, version.components()[0]);
84 }
85 }
86 }
87
TEST(VersionTest,Compare)88 TEST(VersionTest, Compare) {
89 static const struct version_compare {
90 const char* lhs;
91 const char* rhs;
92 int expected;
93 } cases[] = {
94 {"1.0", "1.0", 0},
95 {"1.0", "0.0", 1},
96 {"1.0", "2.0", -1},
97 {"1.0", "1.1", -1},
98 {"1.1", "1.0", 1},
99 {"1.0", "1.0.1", -1},
100 {"1.1", "1.0.1", 1},
101 {"1.1", "1.0.1", 1},
102 {"1.0.0", "1.0", 0},
103 {"1.0.3", "1.0.20", -1},
104 {"11.0.10", "15.007.20011", -1},
105 {"11.0.10", "15.5.28.130162", -1},
106 {"15.5.28.130162", "15.5.28.130162", 0},
107 };
108 for (const auto& i : cases) {
109 base::Version lhs(i.lhs);
110 base::Version rhs(i.rhs);
111 EXPECT_EQ(lhs.CompareTo(rhs), i.expected) << i.lhs << " ? " << i.rhs;
112 // CompareToWildcardString() should have same behavior as CompareTo() when
113 // no wildcards are present.
114 EXPECT_EQ(lhs.CompareToWildcardString(i.rhs), i.expected)
115 << i.lhs << " ? " << i.rhs;
116 EXPECT_EQ(rhs.CompareToWildcardString(i.lhs), -i.expected)
117 << i.lhs << " ? " << i.rhs;
118
119 // Test comparison operators
120 switch (i.expected) {
121 case -1:
122 EXPECT_LT(lhs, rhs);
123 EXPECT_LE(lhs, rhs);
124 EXPECT_NE(lhs, rhs);
125 EXPECT_FALSE(lhs == rhs);
126 EXPECT_FALSE(lhs >= rhs);
127 EXPECT_FALSE(lhs > rhs);
128 break;
129 case 0:
130 EXPECT_FALSE(lhs < rhs);
131 EXPECT_LE(lhs, rhs);
132 EXPECT_FALSE(lhs != rhs);
133 EXPECT_EQ(lhs, rhs);
134 EXPECT_GE(lhs, rhs);
135 EXPECT_FALSE(lhs > rhs);
136 break;
137 case 1:
138 EXPECT_FALSE(lhs < rhs);
139 EXPECT_FALSE(lhs <= rhs);
140 EXPECT_NE(lhs, rhs);
141 EXPECT_FALSE(lhs == rhs);
142 EXPECT_GE(lhs, rhs);
143 EXPECT_GT(lhs, rhs);
144 break;
145 }
146 }
147 }
148
TEST(VersionTest,CompareToWildcardString)149 TEST(VersionTest, CompareToWildcardString) {
150 static const struct version_compare {
151 const char* lhs;
152 const char* rhs;
153 int expected;
154 } cases[] = {
155 {"1.0", "1.*", 0},
156 {"1.0", "0.*", 1},
157 {"1.0", "2.*", -1},
158 {"1.2.3", "1.2.3.*", 0},
159 {"10.0", "1.0.*", 1},
160 {"1.0", "3.0.*", -1},
161 {"1.4", "1.3.0.*", 1},
162 {"1.3.9", "1.3.*", 0},
163 {"1.4.1", "1.3.*", 1},
164 {"1.3", "1.4.5.*", -1},
165 {"1.5", "1.4.5.*", 1},
166 {"1.3.9", "1.3.*", 0},
167 {"1.2.0.0.0.0", "1.2.*", 0},
168 };
169 for (const auto& i : cases) {
170 const base::Version version(i.lhs);
171 const int result = version.CompareToWildcardString(i.rhs);
172 EXPECT_EQ(result, i.expected) << i.lhs << "?" << i.rhs;
173 }
174 }
175
TEST(VersionTest,IsValidWildcardString)176 TEST(VersionTest, IsValidWildcardString) {
177 static const struct version_compare {
178 const char* version;
179 bool expected;
180 } cases[] = {
181 {"1.0", true},
182 {"", false},
183 {"1.2.3.4.5.6", true},
184 {"1.2.3.*", true},
185 {"1.2.3.5*", false},
186 {"1.2.3.56*", false},
187 {"1.*.3", false},
188 {"20.*", true},
189 {"+2.*", false},
190 {"*", false},
191 {"*.2", false},
192 };
193 for (const auto& i : cases) {
194 EXPECT_EQ(base::Version::IsValidWildcardString(i.version), i.expected)
195 << i.version << "?" << i.expected;
196 }
197 }
198
TEST(VersionTest,LeadingZeros)199 TEST(VersionTest, LeadingZeros) {
200 {
201 // Leading zeros in the first component are not allowed.
202 base::Version v("01.1");
203 EXPECT_FALSE(v.IsValid());
204 }
205
206 {
207 // Leading zeros in subsequent components are allowed (and this behavior is
208 // now important for compatibility with existing modules, like extensions),
209 // but are ignored because the value is parsed as an integer...
210 base::Version v1("1.01");
211 EXPECT_TRUE(v1.IsValid());
212 // ...and as a result, v1.01 == v1.1.
213 EXPECT_EQ("1.1", v1.GetString());
214 base::Version v2("1.1");
215 EXPECT_EQ(v1, v2);
216 }
217
218 // Similarly, since leading zeros are ignored, v1.02 > v1.1 (because
219 // v1.02 is translated to 1.2).
220 EXPECT_GT(base::Version("1.02"), base::Version("1.1"));
221 }
222
223 } // namespace
224