jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include <LibTest/TestCase.h>
8
9#include <AK/DeprecatedFlyString.h>
10#include <AK/DeprecatedString.h>
11#include <AK/StringBuilder.h>
12#include <AK/Vector.h>
13#include <cstring>
14
15TEST_CASE(construct_empty)
16{
17 EXPECT(DeprecatedString().is_null());
18 EXPECT(DeprecatedString().is_empty());
19 EXPECT(!DeprecatedString().characters());
20
21 EXPECT(!DeprecatedString("").is_null());
22 EXPECT(DeprecatedString("").is_empty());
23 EXPECT(DeprecatedString("").characters() != nullptr);
24
25 EXPECT(DeprecatedString("").impl() == DeprecatedString::empty().impl());
26}
27
28TEST_CASE(construct_contents)
29{
30 DeprecatedString test_string = "ABCDEF";
31 EXPECT(!test_string.is_empty());
32 EXPECT(!test_string.is_null());
33 EXPECT_EQ(test_string.length(), 6u);
34 EXPECT_EQ(test_string.length(), strlen(test_string.characters()));
35 EXPECT(test_string.characters() != nullptr);
36 EXPECT(!strcmp(test_string.characters(), "ABCDEF"));
37
38 EXPECT(test_string == "ABCDEF");
39 EXPECT(test_string != "ABCDE");
40 EXPECT(test_string != "ABCDEFG");
41}
42
43TEST_CASE(equal)
44{
45 EXPECT_NE(DeprecatedString::empty(), DeprecatedString {});
46}
47
48TEST_CASE(compare)
49{
50 EXPECT("a"sv < DeprecatedString("b"));
51 EXPECT(!("a"sv > DeprecatedString("b")));
52 EXPECT("b"sv > DeprecatedString("a"));
53 EXPECT(!("b"sv < DeprecatedString("b")));
54 EXPECT("a"sv >= DeprecatedString("a"));
55 EXPECT(!("a"sv >= DeprecatedString("b")));
56 EXPECT("a"sv <= DeprecatedString("a"));
57 EXPECT(!("b"sv <= DeprecatedString("a")));
58
59 EXPECT(DeprecatedString("a") > DeprecatedString());
60 EXPECT(!(DeprecatedString() > DeprecatedString("a")));
61 EXPECT(DeprecatedString() < DeprecatedString("a"));
62 EXPECT(!(DeprecatedString("a") < DeprecatedString()));
63 EXPECT(DeprecatedString("a") >= DeprecatedString());
64 EXPECT(!(DeprecatedString() >= DeprecatedString("a")));
65 EXPECT(DeprecatedString() <= DeprecatedString("a"));
66 EXPECT(!(DeprecatedString("a") <= DeprecatedString()));
67
68 EXPECT(!(DeprecatedString() > DeprecatedString()));
69 EXPECT(!(DeprecatedString() < DeprecatedString()));
70 EXPECT(DeprecatedString() >= DeprecatedString());
71 EXPECT(DeprecatedString() <= DeprecatedString());
72}
73
74TEST_CASE(index_access)
75{
76 DeprecatedString 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 DeprecatedString test_string = "ABCDEF";
84 EXPECT(test_string.starts_with("AB"sv));
85 EXPECT(test_string.starts_with('A'));
86 EXPECT(!test_string.starts_with('B'));
87 EXPECT(test_string.starts_with("ABCDEF"sv));
88 EXPECT(!test_string.starts_with("DEF"sv));
89 EXPECT(test_string.starts_with("abc"sv, CaseSensitivity::CaseInsensitive));
90 EXPECT(!test_string.starts_with("abc"sv, CaseSensitivity::CaseSensitive));
91}
92
93TEST_CASE(ends_with)
94{
95 DeprecatedString test_string = "ABCDEF";
96 EXPECT(test_string.ends_with("EF"sv));
97 EXPECT(test_string.ends_with('F'));
98 EXPECT(!test_string.ends_with('E'));
99 EXPECT(test_string.ends_with("ABCDEF"sv));
100 EXPECT(!test_string.ends_with("ABC"sv));
101 EXPECT(test_string.ends_with("def"sv, CaseSensitivity::CaseInsensitive));
102 EXPECT(!test_string.ends_with("def"sv, CaseSensitivity::CaseSensitive));
103}
104
105TEST_CASE(copy_string)
106{
107 DeprecatedString test_string = "ABCDEF";
108 auto test_string_copy = test_string;
109 EXPECT_EQ(test_string, test_string_copy);
110 EXPECT_EQ(test_string.characters(), test_string_copy.characters());
111}
112
113TEST_CASE(move_string)
114{
115 DeprecatedString test_string = "ABCDEF";
116 auto test_string_copy = test_string;
117 auto test_string_move = move(test_string_copy);
118 EXPECT_EQ(test_string, test_string_move);
119 EXPECT(test_string_copy.is_null());
120}
121
122TEST_CASE(repeated)
123{
124 EXPECT_EQ(DeprecatedString::repeated('x', 0), "");
125 EXPECT_EQ(DeprecatedString::repeated('x', 1), "x");
126 EXPECT_EQ(DeprecatedString::repeated('x', 2), "xx");
127}
128
129TEST_CASE(to_int)
130{
131 EXPECT_EQ(DeprecatedString("123").to_int().value(), 123);
132 EXPECT_EQ(DeprecatedString("-123").to_int().value(), -123);
133}
134
135TEST_CASE(to_lowercase)
136{
137 EXPECT(DeprecatedString("ABC").to_lowercase() == "abc");
138}
139
140TEST_CASE(to_uppercase)
141{
142 EXPECT(DeprecatedString("AbC").to_uppercase() == "ABC");
143}
144
145TEST_CASE(flystring)
146{
147 {
148 DeprecatedFlyString a("foo");
149 DeprecatedFlyString b("foo");
150 EXPECT_EQ(a.impl(), b.impl());
151 }
152
153 {
154 DeprecatedString a = "foo";
155 DeprecatedFlyString b = a;
156 StringBuilder builder;
157 builder.append('f');
158 builder.append("oo"sv);
159 DeprecatedFlyString c = builder.to_deprecated_string();
160 EXPECT_EQ(a.impl(), b.impl());
161 EXPECT_EQ(a.impl(), c.impl());
162 }
163}
164
165TEST_CASE(replace)
166{
167 DeprecatedString test_string = "Well, hello Friends!";
168
169 test_string = test_string.replace("Friends"sv, "Testers"sv, ReplaceMode::FirstOnly);
170 EXPECT(test_string == "Well, hello Testers!");
171
172 test_string = test_string.replace("ell"sv, "e're"sv, ReplaceMode::All);
173 EXPECT(test_string == "We're, he'reo Testers!");
174
175 test_string = test_string.replace("!"sv, " :^)"sv, ReplaceMode::FirstOnly);
176 EXPECT(test_string == "We're, he'reo Testers :^)");
177
178 test_string = DeprecatedString("111._.111._.111");
179 test_string = test_string.replace("111"sv, "|||"sv, ReplaceMode::All);
180 EXPECT(test_string == "|||._.|||._.|||");
181
182 test_string = test_string.replace("|||"sv, "111"sv, ReplaceMode::FirstOnly);
183 EXPECT(test_string == "111._.|||._.|||");
184}
185
186TEST_CASE(count)
187{
188 DeprecatedString test_string = "Well, hello Friends!";
189 u32 count = test_string.count("Friends"sv);
190 EXPECT(count == 1);
191
192 count = test_string.count("ell"sv);
193 EXPECT(count == 2);
194
195 count = test_string.count("!"sv);
196 EXPECT(count == 1);
197
198 test_string = DeprecatedString("111._.111._.111");
199 count = test_string.count("111"sv);
200 EXPECT(count == 3);
201
202 count = test_string.count("._."sv);
203 EXPECT(count == 2);
204}
205
206TEST_CASE(substring)
207{
208 DeprecatedString test = "abcdef";
209 EXPECT_EQ(test.substring(0, 6), test);
210 EXPECT_EQ(test.substring(0, 3), "abc");
211 EXPECT_EQ(test.substring(3, 3), "def");
212 EXPECT_EQ(test.substring(3, 0), "");
213 EXPECT_EQ(test.substring(6, 0), "");
214}
215
216TEST_CASE(split)
217{
218 DeprecatedString test = "foo bar baz";
219 auto parts = test.split(' ');
220 EXPECT_EQ(parts.size(), 3u);
221 EXPECT_EQ(parts[0], "foo");
222 EXPECT_EQ(parts[1], "bar");
223 EXPECT_EQ(parts[2], "baz");
224
225 EXPECT_EQ(parts[0].characters()[3], '\0');
226 EXPECT_EQ(parts[1].characters()[3], '\0');
227 EXPECT_EQ(parts[2].characters()[3], '\0');
228
229 test = "a b";
230
231 parts = test.split(' ');
232 EXPECT_EQ(parts.size(), 2u);
233 EXPECT_EQ(parts[0], "a");
234 EXPECT_EQ(parts[1], "b");
235
236 parts = test.split(' ', SplitBehavior::KeepEmpty);
237 EXPECT_EQ(parts.size(), 5u);
238 EXPECT_EQ(parts[0], "a");
239 EXPECT_EQ(parts[1], "");
240 EXPECT_EQ(parts[2], "");
241 EXPECT_EQ(parts[3], "");
242 EXPECT_EQ(parts[4], "b");
243
244 test = "axxbx";
245 EXPECT_EQ(test.split('x').size(), 2u);
246 EXPECT_EQ(test.split('x', SplitBehavior::KeepEmpty).size(), 4u);
247 EXPECT_EQ(test.split_view('x').size(), 2u);
248 EXPECT_EQ(test.split_view('x', SplitBehavior::KeepEmpty).size(), 4u);
249}
250
251TEST_CASE(builder_zero_initial_capacity)
252{
253 StringBuilder builder(0);
254 builder.append(""sv);
255 auto built = builder.to_deprecated_string();
256 EXPECT_EQ(built.is_null(), false);
257 EXPECT_EQ(built.length(), 0u);
258}
259
260TEST_CASE(find)
261{
262 DeprecatedString a = "foobarbar";
263 EXPECT_EQ(a.find("bar"sv), Optional<size_t> { 3 });
264 EXPECT_EQ(a.find("baz"sv), Optional<size_t> {});
265 EXPECT_EQ(a.find("bar"sv, 4), Optional<size_t> { 6 });
266 EXPECT_EQ(a.find("bar"sv, 9), Optional<size_t> {});
267
268 EXPECT_EQ(a.find('f'), Optional<size_t> { 0 });
269 EXPECT_EQ(a.find('x'), Optional<size_t> {});
270 EXPECT_EQ(a.find('f', 1), Optional<size_t> {});
271 EXPECT_EQ(a.find('b'), Optional<size_t> { 3 });
272 EXPECT_EQ(a.find('b', 4), Optional<size_t> { 6 });
273 EXPECT_EQ(a.find('b', 9), Optional<size_t> {});
274}
275
276TEST_CASE(find_with_empty_needle)
277{
278 DeprecatedString string = "";
279 EXPECT_EQ(string.find(""sv), 0u);
280 EXPECT_EQ(string.find_all(""sv), (Vector<size_t> { 0u }));
281
282 string = "abc";
283 EXPECT_EQ(string.find(""sv), 0u);
284 EXPECT_EQ(string.find_all(""sv), (Vector<size_t> { 0u, 1u, 2u, 3u }));
285}
286
287TEST_CASE(bijective_base)
288{
289 EXPECT_EQ(DeprecatedString::bijective_base_from(0), "A");
290 EXPECT_EQ(DeprecatedString::bijective_base_from(25), "Z");
291 EXPECT_EQ(DeprecatedString::bijective_base_from(26), "AA");
292 EXPECT_EQ(DeprecatedString::bijective_base_from(52), "BA");
293 EXPECT_EQ(DeprecatedString::bijective_base_from(701), "ZZ");
294 EXPECT_EQ(DeprecatedString::bijective_base_from(702), "AAA");
295 EXPECT_EQ(DeprecatedString::bijective_base_from(730), "ABC");
296 EXPECT_EQ(DeprecatedString::bijective_base_from(18277), "ZZZ");
297}
298
299TEST_CASE(roman_numerals)
300{
301 auto zero = DeprecatedString::roman_number_from(0);
302 EXPECT_EQ(zero, "");
303
304 auto one = DeprecatedString::roman_number_from(1);
305 EXPECT_EQ(one, "I");
306
307 auto nine = DeprecatedString::roman_number_from(9);
308 EXPECT_EQ(nine, "IX");
309
310 auto fourty_eight = DeprecatedString::roman_number_from(48);
311 EXPECT_EQ(fourty_eight, "XLVIII");
312
313 auto one_thousand_nine_hundred_ninety_eight = DeprecatedString::roman_number_from(1998);
314 EXPECT_EQ(one_thousand_nine_hundred_ninety_eight, "MCMXCVIII");
315
316 auto four_thousand = DeprecatedString::roman_number_from(4000);
317 EXPECT_EQ(four_thousand, "4000");
318}