1// Copyright (c) 2014 The Chromium OS 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 <brillo/strings/string_utils.h>
6
7#include <list>
8#include <set>
9#include <string>
10#include <vector>
11
12#include <gtest/gtest.h>
13
14namespace brillo {
15
16TEST(StringUtils, Split) {
17  std::vector<std::string> parts;
18
19  parts = string_utils::Split("", ",", false, false);
20  EXPECT_EQ(0, parts.size());
21
22  parts = string_utils::Split("abc", ",", false, false);
23  EXPECT_EQ(1, parts.size());
24  EXPECT_EQ("abc", parts[0]);
25
26  parts = string_utils::Split(",a,bc , d,  ,e, ", ",", true, true);
27  EXPECT_EQ(4, parts.size());
28  EXPECT_EQ("a", parts[0]);
29  EXPECT_EQ("bc", parts[1]);
30  EXPECT_EQ("d", parts[2]);
31  EXPECT_EQ("e", parts[3]);
32
33  parts = string_utils::Split(",a,bc , d,  ,e, ", ",", false, true);
34  EXPECT_EQ(6, parts.size());
35  EXPECT_EQ("a", parts[0]);
36  EXPECT_EQ("bc ", parts[1]);
37  EXPECT_EQ(" d", parts[2]);
38  EXPECT_EQ("  ", parts[3]);
39  EXPECT_EQ("e", parts[4]);
40  EXPECT_EQ(" ", parts[5]);
41
42  parts = string_utils::Split(",a,bc , d,  ,e, ", ",", true, false);
43  EXPECT_EQ(7, parts.size());
44  EXPECT_EQ("", parts[0]);
45  EXPECT_EQ("a", parts[1]);
46  EXPECT_EQ("bc", parts[2]);
47  EXPECT_EQ("d", parts[3]);
48  EXPECT_EQ("", parts[4]);
49  EXPECT_EQ("e", parts[5]);
50  EXPECT_EQ("", parts[6]);
51
52  parts = string_utils::Split(",a,bc , d,  ,e, ", ",", false, false);
53  EXPECT_EQ(7, parts.size());
54  EXPECT_EQ("", parts[0]);
55  EXPECT_EQ("a", parts[1]);
56  EXPECT_EQ("bc ", parts[2]);
57  EXPECT_EQ(" d", parts[3]);
58  EXPECT_EQ("  ", parts[4]);
59  EXPECT_EQ("e", parts[5]);
60  EXPECT_EQ(" ", parts[6]);
61
62  parts = string_utils::Split("abc:=xyz", ":=", false, false);
63  EXPECT_EQ(2, parts.size());
64  EXPECT_EQ("abc", parts[0]);
65  EXPECT_EQ("xyz", parts[1]);
66
67  parts = string_utils::Split("abc", "", false, false);
68  EXPECT_EQ(3, parts.size());
69  EXPECT_EQ("a", parts[0]);
70  EXPECT_EQ("b", parts[1]);
71  EXPECT_EQ("c", parts[2]);
72}
73
74TEST(StringUtils, SplitAtFirst) {
75  std::pair<std::string, std::string> pair;
76
77  pair = string_utils::SplitAtFirst(" 123 : 4 : 56 : 789 ", ":", true);
78  EXPECT_EQ("123", pair.first);
79  EXPECT_EQ("4 : 56 : 789", pair.second);
80
81  pair = string_utils::SplitAtFirst(" 123 : 4 : 56 : 789 ", ":", false);
82  EXPECT_EQ(" 123 ", pair.first);
83  EXPECT_EQ(" 4 : 56 : 789 ", pair.second);
84
85  pair = string_utils::SplitAtFirst("", "=");
86  EXPECT_EQ("", pair.first);
87  EXPECT_EQ("", pair.second);
88
89  pair = string_utils::SplitAtFirst("=", "=");
90  EXPECT_EQ("", pair.first);
91  EXPECT_EQ("", pair.second);
92
93  pair = string_utils::SplitAtFirst("a=", "=");
94  EXPECT_EQ("a", pair.first);
95  EXPECT_EQ("", pair.second);
96
97  pair = string_utils::SplitAtFirst("abc=", "=");
98  EXPECT_EQ("abc", pair.first);
99  EXPECT_EQ("", pair.second);
100
101  pair = string_utils::SplitAtFirst("=a", "=");
102  EXPECT_EQ("", pair.first);
103  EXPECT_EQ("a", pair.second);
104
105  pair = string_utils::SplitAtFirst("=abc=", "=");
106  EXPECT_EQ("", pair.first);
107  EXPECT_EQ("abc=", pair.second);
108
109  pair = string_utils::SplitAtFirst("abc", "=");
110  EXPECT_EQ("abc", pair.first);
111  EXPECT_EQ("", pair.second);
112
113  pair = string_utils::SplitAtFirst("abc:=xyz", ":=");
114  EXPECT_EQ("abc", pair.first);
115  EXPECT_EQ("xyz", pair.second);
116
117  pair = string_utils::SplitAtFirst("abc", "");
118  EXPECT_EQ("", pair.first);
119  EXPECT_EQ("abc", pair.second);
120}
121
122TEST(StringUtils, Join_String) {
123  EXPECT_EQ("", string_utils::Join(",", {}));
124  EXPECT_EQ("abc", string_utils::Join(",", {"abc"}));
125  EXPECT_EQ("abc,,xyz", string_utils::Join(",", {"abc", "", "xyz"}));
126  EXPECT_EQ("abc,defg", string_utils::Join(",", {"abc", "defg"}));
127  EXPECT_EQ("1 : 2 : 3", string_utils::Join(" : ", {"1", "2", "3"}));
128  EXPECT_EQ("1:2", string_utils::Join(":", std::set<std::string>{"1", "2"}));
129  EXPECT_EQ("1:2", string_utils::Join(":", std::vector<std::string>{"1", "2"}));
130  EXPECT_EQ("1:2", string_utils::Join(":", std::list<std::string>{"1", "2"}));
131  EXPECT_EQ("123", string_utils::Join("", {"1", "2", "3"}));
132}
133
134TEST(StringUtils, Join_Pair) {
135  EXPECT_EQ("ab,cd", string_utils::Join(",", "ab", "cd"));
136  EXPECT_EQ("key = value", string_utils::Join(" = ", "key", "value"));
137}
138
139TEST(StringUtils, GetBytesAsString) {
140  EXPECT_EQ("abc", string_utils::GetBytesAsString({'a', 'b', 'c'}));
141  EXPECT_TRUE(string_utils::GetBytesAsString({}).empty());
142  auto str = string_utils::GetBytesAsString({0xFF, 0x00, 0x01, 0x7F, 0x80});
143  ASSERT_EQ(5, str.size());
144  EXPECT_EQ('\xFF', str[0]);
145  EXPECT_EQ('\x00', str[1]);
146  EXPECT_EQ('\x01', str[2]);
147  EXPECT_EQ('\x7F', str[3]);
148  EXPECT_EQ('\x80', str[4]);
149}
150
151TEST(StringUtils, GetStringAsBytes) {
152  EXPECT_EQ((std::vector<uint8_t>{'a', 'b', 'c'}),
153            string_utils::GetStringAsBytes("abc"));
154  EXPECT_TRUE(string_utils::GetStringAsBytes("").empty());
155  auto buf = string_utils::GetStringAsBytes(std::string{"\x80\0\1\xFF", 4});
156  ASSERT_EQ(4, buf.size());
157  EXPECT_EQ(128, buf[0]);
158  EXPECT_EQ(0, buf[1]);
159  EXPECT_EQ(1, buf[2]);
160  EXPECT_EQ(255, buf[3]);
161}
162
163}  // namespace brillo
164