jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/TestSuite.h>
28
29#include <AK/FlyString.h>
30#include <AK/String.h>
31#include <AK/StringBuilder.h>
32
33TEST_CASE(construct_empty)
34{
35 EXPECT(String().is_null());
36 EXPECT(String().is_empty());
37 EXPECT(!String().characters());
38
39 EXPECT(!String("").is_null());
40 EXPECT(String("").is_empty());
41 EXPECT(String("").characters() != nullptr);
42
43 EXPECT(String("").impl() == String::empty().impl());
44}
45
46TEST_CASE(construct_contents)
47{
48 String test_string = "ABCDEF";
49 EXPECT(!test_string.is_empty());
50 EXPECT(!test_string.is_null());
51 EXPECT_EQ(test_string.length(), 6u);
52 EXPECT_EQ(test_string.length(), strlen(test_string.characters()));
53 EXPECT(test_string.characters() != nullptr);
54 EXPECT(!strcmp(test_string.characters(), "ABCDEF"));
55
56 EXPECT(test_string == "ABCDEF");
57 EXPECT(test_string != "ABCDE");
58 EXPECT(test_string != "ABCDEFG");
59}
60
61TEST_CASE(compare)
62{
63 String test_string = "ABCDEF";
64 EXPECT("a" < String("b"));
65 EXPECT(!("a" > String("b")));
66 EXPECT("b" > String("a"));
67 EXPECT(!("b" < String("b")));
68 EXPECT("a" >= String("a"));
69 EXPECT(!("a" >= String("b")));
70 EXPECT("a" <= String("a"));
71 EXPECT(!("b" <= String("a")));
72}
73
74TEST_CASE(index_access)
75{
76 String test_string = "ABCDEF";
77 EXPECT_EQ(test_string[0], 'A');
78 EXPECT_EQ(test_string[1], 'B');
79}
80
81TEST_CASE(starts_with)
82{
83 String test_string = "ABCDEF";
84 EXPECT(test_string.starts_with("AB"));
85 EXPECT(test_string.starts_with('A'));
86 EXPECT(!test_string.starts_with('B'));
87 EXPECT(test_string.starts_with("ABCDEF"));
88 EXPECT(!test_string.starts_with("DEF"));
89}
90
91TEST_CASE(ends_with)
92{
93 String test_string = "ABCDEF";
94 EXPECT(test_string.ends_with("EF"));
95 EXPECT(test_string.ends_with('F'));
96 EXPECT(!test_string.ends_with('E'));
97 EXPECT(test_string.ends_with("ABCDEF"));
98 EXPECT(!test_string.ends_with("ABC"));
99}
100
101TEST_CASE(copy_string)
102{
103 String test_string = "ABCDEF";
104 auto test_string_copy = test_string;
105 EXPECT_EQ(test_string, test_string_copy);
106 EXPECT_EQ(test_string.characters(), test_string_copy.characters());
107}
108
109TEST_CASE(move_string)
110{
111 String test_string = "ABCDEF";
112 auto test_string_copy = test_string;
113 auto test_string_move = move(test_string_copy);
114 EXPECT_EQ(test_string, test_string_move);
115 EXPECT(test_string_copy.is_null());
116}
117
118TEST_CASE(repeated)
119{
120 EXPECT_EQ(String::repeated('x', 0), "");
121 EXPECT_EQ(String::repeated('x', 1), "x");
122 EXPECT_EQ(String::repeated('x', 2), "xx");
123}
124
125TEST_CASE(to_int)
126{
127 bool ok;
128 EXPECT(String("123").to_int(ok) == 123 && ok);
129 EXPECT(String("-123").to_int(ok) == -123 && ok);
130}
131
132TEST_CASE(to_lowercase)
133{
134 EXPECT(String("ABC").to_lowercase() == "abc");
135}
136
137TEST_CASE(to_uppercase)
138{
139 EXPECT(String("AbC").to_uppercase() == "ABC");
140}
141
142TEST_CASE(flystring)
143{
144 {
145 FlyString a("foo");
146 FlyString b("foo");
147 EXPECT_EQ(a.impl(), b.impl());
148 }
149
150 {
151 String a = "foo";
152 FlyString b = a;
153 StringBuilder builder;
154 builder.append('f');
155 builder.append("oo");
156 FlyString c = builder.to_string();
157 EXPECT_EQ(a.impl(), b.impl());
158 EXPECT_EQ(a.impl(), c.impl());
159 }
160}
161
162TEST_CASE(replace)
163{
164 String test_string = "Well, hello Friends!";
165 u32 replacements = test_string.replace("Friends", "Testers");
166 EXPECT(replacements == 1);
167 EXPECT(test_string == "Well, hello Testers!");
168
169 replacements = test_string.replace("ell", "e're", true);
170 EXPECT(replacements == 2);
171 EXPECT(test_string == "We're, he'reo Testers!");
172
173 replacements = test_string.replace("!", " :^)");
174 EXPECT(replacements == 1);
175 EXPECT(test_string == "We're, he'reo Testers :^)");
176
177 test_string = String("111._.111._.111");
178 replacements = test_string.replace("111", "|||", true);
179 EXPECT(replacements == 3);
180 EXPECT(test_string == "|||._.|||._.|||");
181
182 replacements = test_string.replace("|||", "111");
183 EXPECT(replacements == 1);
184 EXPECT(test_string == "111._.|||._.|||");
185}
186
187TEST_MAIN(String)