1 // Copyright 2022 The Chromium Authors
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 "string_util.h"
6 #include <gtest/gtest.h>
7
8 namespace bssl {
9
10 namespace {
11
TEST(StringUtilTest,IsAscii)12 TEST(StringUtilTest, IsAscii) {
13 EXPECT_TRUE(bssl::string_util::IsAscii(""));
14 EXPECT_TRUE(bssl::string_util::IsAscii("mail.google.com"));
15 EXPECT_TRUE(bssl::string_util::IsAscii("mail.google.com\x7F"));
16 EXPECT_FALSE(bssl::string_util::IsAscii("mail.google.com\x80"));
17 EXPECT_FALSE(bssl::string_util::IsAscii("mail.google.com\xFF"));
18 }
19
TEST(StringUtilTest,IsEqualNoCase)20 TEST(StringUtilTest, IsEqualNoCase) {
21 EXPECT_TRUE(bssl::string_util::IsEqualNoCase("", ""));
22 EXPECT_TRUE(
23 bssl::string_util::IsEqualNoCase("mail.google.com", "maIL.GOoGlE.cOm"));
24 EXPECT_TRUE(bssl::string_util::IsEqualNoCase("MAil~-.google.cOm",
25 "maIL~-.gOoGlE.CoM"));
26 EXPECT_TRUE(bssl::string_util::IsEqualNoCase("mail\x80.google.com",
27 "maIL\x80.GOoGlE.cOm"));
28 EXPECT_TRUE(bssl::string_util::IsEqualNoCase("mail\xFF.google.com",
29 "maIL\xFF.GOoGlE.cOm"));
30 EXPECT_FALSE(
31 bssl::string_util::IsEqualNoCase("mail.google.co", "maIL.GOoGlE.cOm"));
32 EXPECT_FALSE(
33 bssl::string_util::IsEqualNoCase("mail.google.com", "maIL.GOoGlE.cO"));
34 }
35
TEST(StringUtilTest,EndsWithNoCase)36 TEST(StringUtilTest, EndsWithNoCase) {
37 EXPECT_TRUE(bssl::string_util::EndsWithNoCase("", ""));
38 EXPECT_TRUE(bssl::string_util::EndsWithNoCase("mail.google.com", ""));
39 EXPECT_TRUE(
40 bssl::string_util::EndsWithNoCase("mail.google.com", "maIL.GOoGlE.cOm"));
41 EXPECT_TRUE(
42 bssl::string_util::EndsWithNoCase("mail.google.com", ".gOoGlE.cOm"));
43 EXPECT_TRUE(
44 bssl::string_util::EndsWithNoCase("MAil~-.google.cOm", "-.gOoGlE.CoM"));
45 EXPECT_TRUE(bssl::string_util::EndsWithNoCase("mail\x80.google.com",
46 "\x80.GOoGlE.cOm"));
47 EXPECT_FALSE(
48 bssl::string_util::EndsWithNoCase("mail.google.com", "pOoGlE.com"));
49 EXPECT_FALSE(bssl::string_util::EndsWithNoCase("mail\x80.google.com",
50 "\x81.GOoGlE.cOm"));
51 EXPECT_FALSE(
52 bssl::string_util::EndsWithNoCase("mail.google.co", ".GOoGlE.cOm"));
53 EXPECT_FALSE(
54 bssl::string_util::EndsWithNoCase("mail.google.com", ".GOoGlE.cO"));
55 EXPECT_FALSE(
56 bssl::string_util::EndsWithNoCase("mail.google.com", "mail.google.com1"));
57 EXPECT_FALSE(
58 bssl::string_util::EndsWithNoCase("mail.google.com", "1mail.google.com"));
59 }
60
TEST(StringUtilTest,FindAndReplace)61 TEST(StringUtilTest, FindAndReplace) {
62 std::string tester = "hoobla derp hoobla derp porkrind";
63 tester = bssl::string_util::FindAndReplace(tester, "blah", "woof");
64 EXPECT_EQ(tester, "hoobla derp hoobla derp porkrind");
65 tester = bssl::string_util::FindAndReplace(tester, "", "yeet");
66 EXPECT_EQ(tester, "hoobla derp hoobla derp porkrind");
67 tester = bssl::string_util::FindAndReplace(tester, "hoobla", "derp");
68 EXPECT_EQ(tester, "derp derp derp derp porkrind");
69 tester = bssl::string_util::FindAndReplace(tester, "derp", "a");
70 EXPECT_EQ(tester, "a a a a porkrind");
71 tester = bssl::string_util::FindAndReplace(tester, "a ", "");
72 EXPECT_EQ(tester, "porkrind");
73 tester = bssl::string_util::FindAndReplace(tester, "porkrind", "");
74 EXPECT_EQ(tester, "");
75 }
76
TEST(StringUtilTest,StartsWithNoCase)77 TEST(StringUtilTest, StartsWithNoCase) {
78 EXPECT_TRUE(bssl::string_util::StartsWithNoCase("", ""));
79 EXPECT_TRUE(bssl::string_util::StartsWithNoCase("mail.google.com", ""));
80 EXPECT_TRUE(bssl::string_util::StartsWithNoCase("mail.google.com",
81 "maIL.GOoGlE.cOm"));
82 EXPECT_TRUE(bssl::string_util::StartsWithNoCase("mail.google.com", "MaIL."));
83 EXPECT_TRUE(
84 bssl::string_util::StartsWithNoCase("MAil~-.google.cOm", "maiL~-.Goo"));
85 EXPECT_TRUE(
86 bssl::string_util::StartsWithNoCase("mail\x80.google.com", "MAIL\x80."));
87 EXPECT_FALSE(
88 bssl::string_util::StartsWithNoCase("mail.google.com", "maIl.MoO"));
89 EXPECT_FALSE(
90 bssl::string_util::StartsWithNoCase("mail\x80.google.com", "Mail\x81"));
91 EXPECT_FALSE(
92 bssl::string_util::StartsWithNoCase("mai.google.co", "MAiL.GoogLE"));
93 EXPECT_FALSE(
94 bssl::string_util::StartsWithNoCase("mail.google.com", "MaI.GooGLE"));
95 EXPECT_FALSE(bssl::string_util::StartsWithNoCase("mail.google.com",
96 "mail.google.com1"));
97 EXPECT_FALSE(bssl::string_util::StartsWithNoCase("mail.google.com",
98 "1mail.google.com"));
99 }
100
TEST(StringUtilTest,HexEncode)101 TEST(StringUtilTest, HexEncode) {
102 std::string hex(bssl::string_util::HexEncode({}));
103 EXPECT_EQ(hex.length(), 0U);
104 uint8_t bytes[] = {0x01, 0xff, 0x02, 0xfe, 0x03, 0x80, 0x81};
105 hex = bssl::string_util::HexEncode(bytes);
106 EXPECT_EQ(hex, "01FF02FE038081");
107 }
108
TEST(StringUtilTest,NumberToDecimalString)109 TEST(StringUtilTest, NumberToDecimalString) {
110 std::string number(bssl::string_util::NumberToDecimalString(42));
111 EXPECT_EQ(number, "42");
112 number = bssl::string_util::NumberToDecimalString(-1);
113 EXPECT_EQ(number, "-1");
114 number = bssl::string_util::NumberToDecimalString(0);
115 EXPECT_EQ(number, "0");
116 number = bssl::string_util::NumberToDecimalString(0xFF);
117 EXPECT_EQ(number, "255");
118 }
119
TEST(StringUtilTest,SplitString)120 TEST(StringUtilTest, SplitString) {
121 EXPECT_EQ(bssl::string_util::SplitString("", ','),
122 std::vector<std::string_view>());
123
124 EXPECT_EQ(bssl::string_util::SplitString("a", ','),
125 std::vector<std::string_view>({"a"}));
126 EXPECT_EQ(bssl::string_util::SplitString("abc", ','),
127 std::vector<std::string_view>({"abc"}));
128
129 EXPECT_EQ(bssl::string_util::SplitString(",", ','),
130 std::vector<std::string_view>({"", ""}));
131
132 EXPECT_EQ(bssl::string_util::SplitString("a,", ','),
133 std::vector<std::string_view>({"a", ""}));
134 EXPECT_EQ(bssl::string_util::SplitString("abc,", ','),
135 std::vector<std::string_view>({"abc", ""}));
136
137 EXPECT_EQ(bssl::string_util::SplitString(",a", ','),
138 std::vector<std::string_view>({"", "a"}));
139 EXPECT_EQ(bssl::string_util::SplitString(",abc", ','),
140 std::vector<std::string_view>({"", "abc"}));
141
142 EXPECT_EQ(bssl::string_util::SplitString("a,b", ','),
143 std::vector<std::string_view>({"a", "b"}));
144 EXPECT_EQ(bssl::string_util::SplitString("abc,def", ','),
145 std::vector<std::string_view>({"abc", "def"}));
146
147 EXPECT_EQ(bssl::string_util::SplitString("a,,b", ','),
148 std::vector<std::string_view>({"a", "", "b"}));
149 EXPECT_EQ(bssl::string_util::SplitString("abc,,def", ','),
150 std::vector<std::string_view>({"abc", "", "def"}));
151 }
152
153 } // namespace
154
155 } // namespace bssl
156