1 3448adb0 2022-11-02 op /* See LICENSE file for copyright and license details. */
  2 3448adb0 2022-11-02 op #include <stdbool.h>
  3 3448adb0 2022-11-02 op #include <stdint.h>
  4 3448adb0 2022-11-02 op #include <stdio.h>
  5 3448adb0 2022-11-02 op #include <string.h>
  6 3448adb0 2022-11-02 op 
  7 3448adb0 2022-11-02 op #include "../grapheme.h"
  8 3448adb0 2022-11-02 op #include "util.h"
  9 3448adb0 2022-11-02 op 
 10 3448adb0 2022-11-02 op struct unit_test_is_case_utf8 {
 11 3448adb0 2022-11-02 op 	const char *description;
 12 3448adb0 2022-11-02 op 	struct {
 13 3448adb0 2022-11-02 op 		const char *src;
 14 3448adb0 2022-11-02 op 		size_t srclen;
 15 3448adb0 2022-11-02 op 	} input;
 16 3448adb0 2022-11-02 op 	struct {
 17 3448adb0 2022-11-02 op 		bool ret;
 18 3448adb0 2022-11-02 op 		size_t caselen;
 19 3448adb0 2022-11-02 op 	} output;
 20 3448adb0 2022-11-02 op };
 21 3448adb0 2022-11-02 op 
 22 3448adb0 2022-11-02 op struct unit_test_to_case_utf8 {
 23 3448adb0 2022-11-02 op 	const char *description;
 24 3448adb0 2022-11-02 op 	struct {
 25 3448adb0 2022-11-02 op 		const char *src;
 26 3448adb0 2022-11-02 op 		size_t srclen;
 27 3448adb0 2022-11-02 op 		size_t destlen;
 28 3448adb0 2022-11-02 op 	} input;
 29 3448adb0 2022-11-02 op 	struct {
 30 3448adb0 2022-11-02 op 		const char *dest;
 31 3448adb0 2022-11-02 op 		size_t ret;
 32 3448adb0 2022-11-02 op 	} output;
 33 3448adb0 2022-11-02 op };
 34 3448adb0 2022-11-02 op 
 35 3448adb0 2022-11-02 op static const struct unit_test_is_case_utf8 is_lowercase_utf8[] = {
 36 3448adb0 2022-11-02 op 	{
 37 3448adb0 2022-11-02 op 		.description = "empty input",
 38 3448adb0 2022-11-02 op 		.input =  { "", 0 },
 39 3448adb0 2022-11-02 op 		.output = { true, 0 },
 40 3448adb0 2022-11-02 op 	},
 41 3448adb0 2022-11-02 op 	{
 42 3448adb0 2022-11-02 op 		.description = "one character, violation",
 43 3448adb0 2022-11-02 op 		.input =  { "A", 1 },
 44 3448adb0 2022-11-02 op 		.output = { false, 0 },
 45 3448adb0 2022-11-02 op 	},
 46 3448adb0 2022-11-02 op 	{
 47 3448adb0 2022-11-02 op 		.description = "one character, confirmation",
 48 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", 2 },
 49 3448adb0 2022-11-02 op 		.output = { true, 2 },
 50 3448adb0 2022-11-02 op 	},
 51 3448adb0 2022-11-02 op 	{
 52 3448adb0 2022-11-02 op 		.description = "one character, violation, NUL-terminated",
 53 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX },
 54 3448adb0 2022-11-02 op 		.output = { false, 0 },
 55 3448adb0 2022-11-02 op 	},
 56 3448adb0 2022-11-02 op 	{
 57 3448adb0 2022-11-02 op 		.description = "one character, confirmation, NUL-terminated",
 58 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", SIZE_MAX },
 59 3448adb0 2022-11-02 op 		.output = { true, 2 },
 60 3448adb0 2022-11-02 op 	},
 61 3448adb0 2022-11-02 op 	{
 62 3448adb0 2022-11-02 op 		.description = "one word, violation",
 63 3448adb0 2022-11-02 op 		.input =  { "Hello", 5 },
 64 3448adb0 2022-11-02 op 		.output = { false, 0 },
 65 3448adb0 2022-11-02 op 	},
 66 3448adb0 2022-11-02 op 	{
 67 3448adb0 2022-11-02 op 		.description = "one word, partial confirmation",
 68 3448adb0 2022-11-02 op 		.input =  { "gru" "\xC3\x9F" "fOrmel", 11 },
 69 3448adb0 2022-11-02 op 		.output = { false, 6 },
 70 3448adb0 2022-11-02 op 	},
 71 3448adb0 2022-11-02 op 	{
 72 3448adb0 2022-11-02 op 		.description = "one word, full confirmation",
 73 3448adb0 2022-11-02 op 		.input =  { "gru" "\xC3\x9F" "formel", 11 },
 74 3448adb0 2022-11-02 op 		.output = { true, 11 },
 75 3448adb0 2022-11-02 op 	},
 76 3448adb0 2022-11-02 op 	{
 77 3448adb0 2022-11-02 op 		.description = "one word, violation, NUL-terminated",
 78 3448adb0 2022-11-02 op 		.input =  { "Hello", SIZE_MAX },
 79 3448adb0 2022-11-02 op 		.output = { false, 0 },
 80 3448adb0 2022-11-02 op 	},
 81 3448adb0 2022-11-02 op 	{
 82 3448adb0 2022-11-02 op 		.description = "one word, partial confirmation, NUL-terminated",
 83 3448adb0 2022-11-02 op 		.input =  { "gru" "\xC3\x9F" "fOrmel", SIZE_MAX },
 84 3448adb0 2022-11-02 op 		.output = { false, 6 },
 85 3448adb0 2022-11-02 op 	},
 86 3448adb0 2022-11-02 op 	{
 87 3448adb0 2022-11-02 op 		.description = "one word, full confirmation, NUL-terminated",
 88 3448adb0 2022-11-02 op 		.input =  { "gru" "\xC3\x9F" "formel", SIZE_MAX },
 89 3448adb0 2022-11-02 op 		.output = { true, 11 },
 90 3448adb0 2022-11-02 op 	},
 91 3448adb0 2022-11-02 op };
 92 3448adb0 2022-11-02 op 
 93 3448adb0 2022-11-02 op static const struct unit_test_is_case_utf8 is_uppercase_utf8[] = {
 94 3448adb0 2022-11-02 op 	{
 95 3448adb0 2022-11-02 op 		.description = "empty input",
 96 3448adb0 2022-11-02 op 		.input =  { "", 0 },
 97 3448adb0 2022-11-02 op 		.output = { true, 0 },
 98 3448adb0 2022-11-02 op 	},
 99 3448adb0 2022-11-02 op 	{
100 3448adb0 2022-11-02 op 		.description = "one character, violation",
101 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", 2 },
102 3448adb0 2022-11-02 op 		.output = { false, 0 },
103 3448adb0 2022-11-02 op 	},
104 3448adb0 2022-11-02 op 	{
105 3448adb0 2022-11-02 op 		.description = "one character, confirmation",
106 3448adb0 2022-11-02 op 		.input =  { "A", 1 },
107 3448adb0 2022-11-02 op 		.output = { true, 1 },
108 3448adb0 2022-11-02 op 	},
109 3448adb0 2022-11-02 op 	{
110 3448adb0 2022-11-02 op 		.description = "one character, violation, NUL-terminated",
111 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", SIZE_MAX },
112 3448adb0 2022-11-02 op 		.output = { false, 0 },
113 3448adb0 2022-11-02 op 	},
114 3448adb0 2022-11-02 op 	{
115 3448adb0 2022-11-02 op 		.description = "one character, confirmation, NUL-terminated",
116 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX },
117 3448adb0 2022-11-02 op 		.output = { true, 1 },
118 3448adb0 2022-11-02 op 	},
119 3448adb0 2022-11-02 op 	{
120 3448adb0 2022-11-02 op 		.description = "one word, violation",
121 3448adb0 2022-11-02 op 		.input =  { "hello", 5 },
122 3448adb0 2022-11-02 op 		.output = { false, 0 },
123 3448adb0 2022-11-02 op 	},
124 3448adb0 2022-11-02 op 	{
125 3448adb0 2022-11-02 op 		.description = "one word, partial confirmation",
126 3448adb0 2022-11-02 op 		.input =  { "GRU" "\xC3\x9F" "formel", 11 },
127 3448adb0 2022-11-02 op 		.output = { false, 3 },
128 3448adb0 2022-11-02 op 	},
129 3448adb0 2022-11-02 op 	{
130 3448adb0 2022-11-02 op 		.description = "one word, full confirmation",
131 3448adb0 2022-11-02 op 		.input =  { "HELLO", 5 },
132 3448adb0 2022-11-02 op 		.output = { true, 5 },
133 3448adb0 2022-11-02 op 	},
134 3448adb0 2022-11-02 op 	{
135 3448adb0 2022-11-02 op 		.description = "one word, violation, NUL-terminated",
136 3448adb0 2022-11-02 op 		.input =  { "hello", SIZE_MAX },
137 3448adb0 2022-11-02 op 		.output = { false, 0 },
138 3448adb0 2022-11-02 op 	},
139 3448adb0 2022-11-02 op 	{
140 3448adb0 2022-11-02 op 		.description = "one word, partial confirmation, NUL-terminated",
141 3448adb0 2022-11-02 op 		.input =  { "GRU" "\xC3\x9F" "formel", SIZE_MAX },
142 3448adb0 2022-11-02 op 		.output = { false, 3 },
143 3448adb0 2022-11-02 op 	},
144 3448adb0 2022-11-02 op 	{
145 3448adb0 2022-11-02 op 		.description = "one word, full confirmation, NUL-terminated",
146 3448adb0 2022-11-02 op 		.input =  { "HELLO", SIZE_MAX },
147 3448adb0 2022-11-02 op 		.output = { true, 5 },
148 3448adb0 2022-11-02 op 	},
149 3448adb0 2022-11-02 op };
150 3448adb0 2022-11-02 op 
151 3448adb0 2022-11-02 op static const struct unit_test_is_case_utf8 is_titlecase_utf8[] = {
152 3448adb0 2022-11-02 op 	{
153 3448adb0 2022-11-02 op 		.description = "empty input",
154 3448adb0 2022-11-02 op 		.input =  { "", 0 },
155 3448adb0 2022-11-02 op 		.output = { true, 0 },
156 3448adb0 2022-11-02 op 	},
157 3448adb0 2022-11-02 op 	{
158 3448adb0 2022-11-02 op 		.description = "one character, violation",
159 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", 2 },
160 3448adb0 2022-11-02 op 		.output = { false, 0 },
161 3448adb0 2022-11-02 op 	},
162 3448adb0 2022-11-02 op 	{
163 3448adb0 2022-11-02 op 		.description = "one character, confirmation",
164 3448adb0 2022-11-02 op 		.input =  { "A", 1 },
165 3448adb0 2022-11-02 op 		.output = { true, 1 },
166 3448adb0 2022-11-02 op 	},
167 3448adb0 2022-11-02 op 	{
168 3448adb0 2022-11-02 op 		.description = "one character, violation, NUL-terminated",
169 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", SIZE_MAX },
170 3448adb0 2022-11-02 op 		.output = { false, 0 },
171 3448adb0 2022-11-02 op 	},
172 3448adb0 2022-11-02 op 	{
173 3448adb0 2022-11-02 op 		.description = "one character, confirmation, NUL-terminated",
174 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX },
175 3448adb0 2022-11-02 op 		.output = { true, 1 },
176 3448adb0 2022-11-02 op 	},
177 3448adb0 2022-11-02 op 	{
178 3448adb0 2022-11-02 op 		.description = "one word, violation",
179 3448adb0 2022-11-02 op 		.input =  { "hello", 5 },
180 3448adb0 2022-11-02 op 		.output = { false, 0 },
181 3448adb0 2022-11-02 op 	},
182 3448adb0 2022-11-02 op 	{
183 3448adb0 2022-11-02 op 		.description = "one word, partial confirmation",
184 3448adb0 2022-11-02 op 		.input =  { "Gru" "\xC3\x9F" "fOrmel", 11 },
185 3448adb0 2022-11-02 op 		.output = { false, 6 },
186 3448adb0 2022-11-02 op 	},
187 3448adb0 2022-11-02 op 	{
188 3448adb0 2022-11-02 op 		.description = "one word, full confirmation",
189 3448adb0 2022-11-02 op 		.input =  { "Gru" "\xC3\x9F" "formel", 11 },
190 3448adb0 2022-11-02 op 		.output = { true, 11 },
191 3448adb0 2022-11-02 op 	},
192 3448adb0 2022-11-02 op 	{
193 3448adb0 2022-11-02 op 		.description = "one word, violation, NUL-terminated",
194 3448adb0 2022-11-02 op 		.input =  { "hello", SIZE_MAX },
195 3448adb0 2022-11-02 op 		.output = { false, 0 },
196 3448adb0 2022-11-02 op 	},
197 3448adb0 2022-11-02 op 	{
198 3448adb0 2022-11-02 op 		.description = "one word, partial confirmation, NUL-terminated",
199 3448adb0 2022-11-02 op 		.input =  { "Gru" "\xC3\x9F" "fOrmel", SIZE_MAX },
200 3448adb0 2022-11-02 op 		.output = { false, 6 },
201 3448adb0 2022-11-02 op 	},
202 3448adb0 2022-11-02 op 	{
203 3448adb0 2022-11-02 op 		.description = "one word, full confirmation, NUL-terminated",
204 3448adb0 2022-11-02 op 		.input =  { "Gru" "\xC3\x9F" "formel", SIZE_MAX },
205 3448adb0 2022-11-02 op 		.output = { true, 11 },
206 3448adb0 2022-11-02 op 	},
207 3448adb0 2022-11-02 op 	{
208 3448adb0 2022-11-02 op 		.description = "multiple words, partial confirmation",
209 3448adb0 2022-11-02 op 		.input =  { "Hello Gru" "\xC3\x9F" "fOrmel!", 18 },
210 3448adb0 2022-11-02 op 		.output = { false, 12 },
211 3448adb0 2022-11-02 op 	},
212 3448adb0 2022-11-02 op 	{
213 3448adb0 2022-11-02 op 		.description = "multiple words, full confirmation",
214 3448adb0 2022-11-02 op 		.input =  { "Hello Gru" "\xC3\x9F" "formel!", 18 },
215 3448adb0 2022-11-02 op 		.output = { true, 18 },
216 3448adb0 2022-11-02 op 	},
217 3448adb0 2022-11-02 op 	{
218 3448adb0 2022-11-02 op 		.description = "multiple words, partial confirmation, NUL-terminated",
219 3448adb0 2022-11-02 op 		.input =  { "Hello Gru" "\xC3\x9F" "fOrmel!", SIZE_MAX },
220 3448adb0 2022-11-02 op 		.output = { false, 12 },
221 3448adb0 2022-11-02 op 	},
222 3448adb0 2022-11-02 op 	{
223 3448adb0 2022-11-02 op 		.description = "multiple words, full confirmation, NUL-terminated",
224 3448adb0 2022-11-02 op 		.input =  { "Hello Gru" "\xC3\x9F" "formel!", SIZE_MAX },
225 3448adb0 2022-11-02 op 		.output = { true, 18 },
226 3448adb0 2022-11-02 op 	},
227 3448adb0 2022-11-02 op };
228 3448adb0 2022-11-02 op 
229 3448adb0 2022-11-02 op static const struct unit_test_to_case_utf8 to_lowercase_utf8[] = {
230 3448adb0 2022-11-02 op 	{
231 3448adb0 2022-11-02 op 		.description = "empty input",
232 3448adb0 2022-11-02 op 		.input =  { "", 0, 10 },
233 3448adb0 2022-11-02 op 		.output = { "", 0 },
234 3448adb0 2022-11-02 op 	},
235 3448adb0 2022-11-02 op 	{
236 3448adb0 2022-11-02 op 		.description = "empty output",
237 3448adb0 2022-11-02 op 		.input =  { "hello", 5, 0 },
238 3448adb0 2022-11-02 op 		.output = { "", 5 },
239 3448adb0 2022-11-02 op 	},
240 3448adb0 2022-11-02 op 	{
241 3448adb0 2022-11-02 op 		.description = "one character, conversion",
242 3448adb0 2022-11-02 op 		.input =  { "A", 1, 10 },
243 3448adb0 2022-11-02 op 		.output = { "a", 1 },
244 3448adb0 2022-11-02 op 	},
245 3448adb0 2022-11-02 op 	{
246 3448adb0 2022-11-02 op 		.description = "one character, no conversion",
247 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", 2, 10 },
248 3448adb0 2022-11-02 op 		.output = { "\xC3\x9F", 2 },
249 3448adb0 2022-11-02 op 	},
250 3448adb0 2022-11-02 op 	{
251 3448adb0 2022-11-02 op 		.description = "one character, conversion, truncation",
252 3448adb0 2022-11-02 op 		.input =  { "A", 1, 0 },
253 3448adb0 2022-11-02 op 		.output = { "", 1 },
254 3448adb0 2022-11-02 op 	},
255 3448adb0 2022-11-02 op 	{
256 3448adb0 2022-11-02 op 		.description = "one character, conversion, NUL-terminated",
257 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX, 10 },
258 3448adb0 2022-11-02 op 		.output = { "a", 1 },
259 3448adb0 2022-11-02 op 	},
260 3448adb0 2022-11-02 op 	{
261 3448adb0 2022-11-02 op 		.description = "one character, no conversion, NUL-terminated",
262 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", SIZE_MAX, 10 },
263 3448adb0 2022-11-02 op 		.output = { "\xC3\x9F", 2 },
264 3448adb0 2022-11-02 op 	},
265 3448adb0 2022-11-02 op 	{
266 3448adb0 2022-11-02 op 		.description = "one character, conversion, NUL-terminated, truncation",
267 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX, 0 },
268 3448adb0 2022-11-02 op 		.output = { "", 1 },
269 3448adb0 2022-11-02 op 	},
270 3448adb0 2022-11-02 op 	{
271 3448adb0 2022-11-02 op 		.description = "one word, conversion",
272 3448adb0 2022-11-02 op 		.input =  { "wOrD", 4, 10 },
273 3448adb0 2022-11-02 op 		.output = { "word", 4 },
274 3448adb0 2022-11-02 op 	},
275 3448adb0 2022-11-02 op 	{
276 3448adb0 2022-11-02 op 		.description = "one word, no conversion",
277 3448adb0 2022-11-02 op 		.input =  { "word", 4, 10 },
278 3448adb0 2022-11-02 op 		.output = { "word", 4 },
279 3448adb0 2022-11-02 op 	},
280 3448adb0 2022-11-02 op 	{
281 3448adb0 2022-11-02 op 		.description = "one word, conversion, truncation",
282 3448adb0 2022-11-02 op 		.input =  { "wOrD", 4, 3 },
283 3448adb0 2022-11-02 op 		.output = { "wo", 4 },
284 3448adb0 2022-11-02 op 	},
285 3448adb0 2022-11-02 op 	{
286 3448adb0 2022-11-02 op 		.description = "one word, conversion, NUL-terminated",
287 3448adb0 2022-11-02 op 		.input =  { "wOrD", SIZE_MAX, 10 },
288 3448adb0 2022-11-02 op 		.output = { "word", 4 },
289 3448adb0 2022-11-02 op 	},
290 3448adb0 2022-11-02 op 	{
291 3448adb0 2022-11-02 op 		.description = "one word, no conversion, NUL-terminated",
292 3448adb0 2022-11-02 op 		.input =  { "word", SIZE_MAX, 10 },
293 3448adb0 2022-11-02 op 		.output = { "word", 4 },
294 3448adb0 2022-11-02 op 	},
295 3448adb0 2022-11-02 op 	{
296 3448adb0 2022-11-02 op 		.description = "one word, conversion, NUL-terminated, truncation",
297 3448adb0 2022-11-02 op 		.input =  { "wOrD", SIZE_MAX, 3 },
298 3448adb0 2022-11-02 op 		.output = { "wo", 4 },
299 3448adb0 2022-11-02 op 	},
300 3448adb0 2022-11-02 op };
301 3448adb0 2022-11-02 op 
302 3448adb0 2022-11-02 op static const struct unit_test_to_case_utf8 to_uppercase_utf8[] = {
303 3448adb0 2022-11-02 op 	{
304 3448adb0 2022-11-02 op 		.description = "empty input",
305 3448adb0 2022-11-02 op 		.input =  { "", 0, 10 },
306 3448adb0 2022-11-02 op 		.output = { "", 0 },
307 3448adb0 2022-11-02 op 	},
308 3448adb0 2022-11-02 op 	{
309 3448adb0 2022-11-02 op 		.description = "empty output",
310 3448adb0 2022-11-02 op 		.input =  { "hello", 5, 0 },
311 3448adb0 2022-11-02 op 		.output = { "", 5 },
312 3448adb0 2022-11-02 op 	},
313 3448adb0 2022-11-02 op 	{
314 3448adb0 2022-11-02 op 		.description = "one character, conversion",
315 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", 2, 10 },
316 3448adb0 2022-11-02 op 		.output = { "SS", 2 },
317 3448adb0 2022-11-02 op 	},
318 3448adb0 2022-11-02 op 	{
319 3448adb0 2022-11-02 op 		.description = "one character, no conversion",
320 3448adb0 2022-11-02 op 		.input =  { "A", 1, 10 },
321 3448adb0 2022-11-02 op 		.output = { "A", 1 },
322 3448adb0 2022-11-02 op 	},
323 3448adb0 2022-11-02 op 	{
324 3448adb0 2022-11-02 op 		.description = "one character, conversion, truncation",
325 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", 2, 0 },
326 3448adb0 2022-11-02 op 		.output = { "", 2 },
327 3448adb0 2022-11-02 op 	},
328 3448adb0 2022-11-02 op 	{
329 3448adb0 2022-11-02 op 		.description = "one character, conversion, NUL-terminated",
330 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", SIZE_MAX, 10 },
331 3448adb0 2022-11-02 op 		.output = { "SS", 2 },
332 3448adb0 2022-11-02 op 	},
333 3448adb0 2022-11-02 op 	{
334 3448adb0 2022-11-02 op 		.description = "one character, no conversion, NUL-terminated",
335 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX, 10 },
336 3448adb0 2022-11-02 op 		.output = { "A", 1 },
337 3448adb0 2022-11-02 op 	},
338 3448adb0 2022-11-02 op 	{
339 3448adb0 2022-11-02 op 		.description = "one character, conversion, NUL-terminated, truncation",
340 3448adb0 2022-11-02 op 		.input =  { "\xC3\x9F", SIZE_MAX, 0 },
341 3448adb0 2022-11-02 op 		.output = { "", 2 },
342 3448adb0 2022-11-02 op 	},
343 3448adb0 2022-11-02 op 	{
344 3448adb0 2022-11-02 op 		.description = "one word, conversion",
345 3448adb0 2022-11-02 op 		.input =  { "gRu" "\xC3\x9F" "fOrMel", 11, 15 },
346 3448adb0 2022-11-02 op 		.output = { "GRUSSFORMEL", 11 },
347 3448adb0 2022-11-02 op 	},
348 3448adb0 2022-11-02 op 	{
349 3448adb0 2022-11-02 op 		.description = "one word, no conversion",
350 3448adb0 2022-11-02 op 		.input =  { "WORD", 4, 10 },
351 3448adb0 2022-11-02 op 		.output = { "WORD", 4 },
352 3448adb0 2022-11-02 op 	},
353 3448adb0 2022-11-02 op 	{
354 3448adb0 2022-11-02 op 		.description = "one word, conversion, truncation",
355 3448adb0 2022-11-02 op 		.input =  { "gRu" "\xC3\x9F" "formel", 11, 5 },
356 3448adb0 2022-11-02 op 		.output = { "GRUS", 11 },
357 3448adb0 2022-11-02 op 	},
358 3448adb0 2022-11-02 op 	{
359 3448adb0 2022-11-02 op 		.description = "one word, conversion, NUL-terminated",
360 3448adb0 2022-11-02 op 		.input =  { "gRu" "\xC3\x9F" "formel", SIZE_MAX, 15 },
361 3448adb0 2022-11-02 op 		.output = { "GRUSSFORMEL", 11 },
362 3448adb0 2022-11-02 op 	},
363 3448adb0 2022-11-02 op 	{
364 3448adb0 2022-11-02 op 		.description = "one word, no conversion, NUL-terminated",
365 3448adb0 2022-11-02 op 		.input =  { "WORD", SIZE_MAX, 10 },
366 3448adb0 2022-11-02 op 		.output = { "WORD", 4 },
367 3448adb0 2022-11-02 op 	},
368 3448adb0 2022-11-02 op 	{
369 3448adb0 2022-11-02 op 		.description = "one word, conversion, NUL-terminated, truncation",
370 3448adb0 2022-11-02 op 		.input =  { "gRu" "\xC3\x9F" "formel", SIZE_MAX, 5 },
371 3448adb0 2022-11-02 op 		.output = { "GRUS", 11 },
372 3448adb0 2022-11-02 op 	},
373 3448adb0 2022-11-02 op };
374 3448adb0 2022-11-02 op 
375 3448adb0 2022-11-02 op static const struct unit_test_to_case_utf8 to_titlecase_utf8[] = {
376 3448adb0 2022-11-02 op 	{
377 3448adb0 2022-11-02 op 		.description = "empty input",
378 3448adb0 2022-11-02 op 		.input =  { "", 0, 10 },
379 3448adb0 2022-11-02 op 		.output = { "", 0 },
380 3448adb0 2022-11-02 op 	},
381 3448adb0 2022-11-02 op 	{
382 3448adb0 2022-11-02 op 		.description = "empty output",
383 3448adb0 2022-11-02 op 		.input =  { "hello", 5, 0 },
384 3448adb0 2022-11-02 op 		.output = { "", 5 },
385 3448adb0 2022-11-02 op 	},
386 3448adb0 2022-11-02 op 	{
387 3448adb0 2022-11-02 op 		.description = "one character, conversion",
388 3448adb0 2022-11-02 op 		.input =  { "a", 1, 10 },
389 3448adb0 2022-11-02 op 		.output = { "A", 1 },
390 3448adb0 2022-11-02 op 	},
391 3448adb0 2022-11-02 op 	{
392 3448adb0 2022-11-02 op 		.description = "one character, no conversion",
393 3448adb0 2022-11-02 op 		.input =  { "A", 1, 10 },
394 3448adb0 2022-11-02 op 		.output = { "A", 1 },
395 3448adb0 2022-11-02 op 	},
396 3448adb0 2022-11-02 op 	{
397 3448adb0 2022-11-02 op 		.description = "one character, conversion, truncation",
398 3448adb0 2022-11-02 op 		.input =  { "a", 1, 0 },
399 3448adb0 2022-11-02 op 		.output = { "", 1 },
400 3448adb0 2022-11-02 op 	},
401 3448adb0 2022-11-02 op 	{
402 3448adb0 2022-11-02 op 		.description = "one character, conversion, NUL-terminated",
403 3448adb0 2022-11-02 op 		.input =  { "a", SIZE_MAX, 10 },
404 3448adb0 2022-11-02 op 		.output = { "A", 1 },
405 3448adb0 2022-11-02 op 	},
406 3448adb0 2022-11-02 op 	{
407 3448adb0 2022-11-02 op 		.description = "one character, no conversion, NUL-terminated",
408 3448adb0 2022-11-02 op 		.input =  { "A", SIZE_MAX, 10 },
409 3448adb0 2022-11-02 op 		.output = { "A", 1 },
410 3448adb0 2022-11-02 op 	},
411 3448adb0 2022-11-02 op 	{
412 3448adb0 2022-11-02 op 		.description = "one character, conversion, NUL-terminated, truncation",
413 3448adb0 2022-11-02 op 		.input =  { "a", SIZE_MAX, 0 },
414 3448adb0 2022-11-02 op 		.output = { "", 1 },
415 3448adb0 2022-11-02 op 	},
416 3448adb0 2022-11-02 op 	{
417 3448adb0 2022-11-02 op 		.description = "one word, conversion",
418 3448adb0 2022-11-02 op 		.input =  { "heLlo", 5, 10 },
419 3448adb0 2022-11-02 op 		.output = { "Hello", 5 },
420 3448adb0 2022-11-02 op 	},
421 3448adb0 2022-11-02 op 	{
422 3448adb0 2022-11-02 op 		.description = "one word, no conversion",
423 3448adb0 2022-11-02 op 		.input =  { "Hello", 5, 10 },
424 3448adb0 2022-11-02 op 		.output = { "Hello", 5 },
425 3448adb0 2022-11-02 op 	},
426 3448adb0 2022-11-02 op 	{
427 3448adb0 2022-11-02 op 		.description = "one word, conversion, truncation",
428 3448adb0 2022-11-02 op 		.input =  { "heLlo", 5, 2 },
429 3448adb0 2022-11-02 op 		.output = { "H", 5 },
430 3448adb0 2022-11-02 op 	},
431 3448adb0 2022-11-02 op 	{
432 3448adb0 2022-11-02 op 		.description = "one word, conversion, NUL-terminated",
433 3448adb0 2022-11-02 op 		.input =  { "heLlo", SIZE_MAX, 10 },
434 3448adb0 2022-11-02 op 		.output = { "Hello", 5 },
435 3448adb0 2022-11-02 op 	},
436 3448adb0 2022-11-02 op 	{
437 3448adb0 2022-11-02 op 		.description = "one word, no conversion, NUL-terminated",
438 3448adb0 2022-11-02 op 		.input =  { "Hello", SIZE_MAX, 10 },
439 3448adb0 2022-11-02 op 		.output = { "Hello", 5 },
440 3448adb0 2022-11-02 op 	},
441 3448adb0 2022-11-02 op 	{
442 3448adb0 2022-11-02 op 		.description = "one word, conversion, NUL-terminated, truncation",
443 3448adb0 2022-11-02 op 		.input =  { "heLlo", SIZE_MAX, 3 },
444 3448adb0 2022-11-02 op 		.output = { "He", 5 },
445 3448adb0 2022-11-02 op 	},
446 3448adb0 2022-11-02 op 	{
447 3448adb0 2022-11-02 op 		.description = "two words, conversion",
448 3448adb0 2022-11-02 op 		.input =  { "heLlo wORLd!", 12, 20 },
449 3448adb0 2022-11-02 op 		.output = { "Hello World!", 12 },
450 3448adb0 2022-11-02 op 	},
451 3448adb0 2022-11-02 op 	{
452 3448adb0 2022-11-02 op 		.description = "two words, no conversion",
453 3448adb0 2022-11-02 op 		.input =  { "Hello World!", 12, 20 },
454 3448adb0 2022-11-02 op 		.output = { "Hello World!", 12 },
455 3448adb0 2022-11-02 op 	},
456 3448adb0 2022-11-02 op 	{
457 3448adb0 2022-11-02 op 		.description = "two words, conversion, truncation",
458 3448adb0 2022-11-02 op 		.input =  { "heLlo wORLd!", 12, 8 },
459 3448adb0 2022-11-02 op 		.output = { "Hello W", 12 },
460 3448adb0 2022-11-02 op 	},
461 3448adb0 2022-11-02 op 	{
462 3448adb0 2022-11-02 op 		.description = "two words, conversion, NUL-terminated",
463 3448adb0 2022-11-02 op 		.input =  { "heLlo wORLd!", SIZE_MAX, 20 },
464 3448adb0 2022-11-02 op 		.output = { "Hello World!", 12 },
465 3448adb0 2022-11-02 op 	},
466 3448adb0 2022-11-02 op 	{
467 3448adb0 2022-11-02 op 		.description = "two words, no conversion, NUL-terminated",
468 3448adb0 2022-11-02 op 		.input =  { "Hello World!", SIZE_MAX, 20 },
469 3448adb0 2022-11-02 op 		.output = { "Hello World!", 12 },
470 3448adb0 2022-11-02 op 	},
471 3448adb0 2022-11-02 op 	{
472 3448adb0 2022-11-02 op 		.description = "two words, conversion, NUL-terminated, truncation",
473 3448adb0 2022-11-02 op 		.input =  { "heLlo wORLd!", SIZE_MAX, 4 },
474 3448adb0 2022-11-02 op 		.output = { "Hel", 12 },
475 3448adb0 2022-11-02 op 	},
476 3448adb0 2022-11-02 op };
477 3448adb0 2022-11-02 op 
478 3448adb0 2022-11-02 op static int
479 3448adb0 2022-11-02 op unit_test_callback_is_case_utf8(const void *t, size_t off, const char *name,
480 3448adb0 2022-11-02 op                                 const char *argv0)
481 3448adb0 2022-11-02 op {
482 3448adb0 2022-11-02 op 	const struct unit_test_is_case_utf8 *test =
483 3448adb0 2022-11-02 op 		(const struct unit_test_is_case_utf8 *)t + off;
484 3448adb0 2022-11-02 op 	bool ret = false;
485 3448adb0 2022-11-02 op 	size_t caselen = 0x7f;
486 3448adb0 2022-11-02 op 
487 3448adb0 2022-11-02 op 	if (t == is_lowercase_utf8) {
488 3448adb0 2022-11-02 op 		ret = grapheme_is_lowercase_utf8(test->input.src, test->input.srclen,
489 3448adb0 2022-11-02 op 		                                 &caselen);
490 3448adb0 2022-11-02 op 	} else if (t == is_uppercase_utf8) {
491 3448adb0 2022-11-02 op 		ret = grapheme_is_uppercase_utf8(test->input.src, test->input.srclen,
492 3448adb0 2022-11-02 op 		                                 &caselen);
493 3448adb0 2022-11-02 op 	} else if (t == is_titlecase_utf8) {
494 3448adb0 2022-11-02 op 		ret = grapheme_is_titlecase_utf8(test->input.src, test->input.srclen,
495 3448adb0 2022-11-02 op 		                                 &caselen);
496 3448adb0 2022-11-02 op 
497 3448adb0 2022-11-02 op 	} else {
498 3448adb0 2022-11-02 op 		goto err;
499 3448adb0 2022-11-02 op 	}
500 3448adb0 2022-11-02 op 
501 3448adb0 2022-11-02 op 	/* check results */
502 3448adb0 2022-11-02 op 	if (ret != test->output.ret || caselen != test->output.caselen) {
503 3448adb0 2022-11-02 op 		goto err;
504 3448adb0 2022-11-02 op 	}
505 3448adb0 2022-11-02 op 
506 3448adb0 2022-11-02 op 	return 0;
507 3448adb0 2022-11-02 op err:
508 3448adb0 2022-11-02 op 	fprintf(stderr, "%s: %s: Failed unit test %zu \"%s\" "
509 3448adb0 2022-11-02 op 	        "(returned (%s, %zu) instead of (%s, %zu)).\n", argv0,
510 3448adb0 2022-11-02 op 	        name, off, test->description, ret ? "true" : "false",
511 3448adb0 2022-11-02 op 		caselen, test->output.ret ? "true" : "false",
512 3448adb0 2022-11-02 op 	        test->output.caselen);
513 3448adb0 2022-11-02 op 	return 1;
514 3448adb0 2022-11-02 op }
515 3448adb0 2022-11-02 op 
516 3448adb0 2022-11-02 op static int
517 3448adb0 2022-11-02 op unit_test_callback_to_case_utf8(const void *t, size_t off, const char *name,
518 3448adb0 2022-11-02 op                                 const char *argv0)
519 3448adb0 2022-11-02 op {
520 3448adb0 2022-11-02 op 	const struct unit_test_to_case_utf8 *test =
521 3448adb0 2022-11-02 op 		(const struct unit_test_to_case_utf8 *)t + off;
522 3448adb0 2022-11-02 op 	size_t ret = 0, i;
523 3448adb0 2022-11-02 op 	char buf[512];
524 3448adb0 2022-11-02 op 
525 3448adb0 2022-11-02 op 	/* fill the array with canary values */
526 3448adb0 2022-11-02 op 	memset(buf, 0x7f, LEN(buf));
527 3448adb0 2022-11-02 op 
528 3448adb0 2022-11-02 op 	if (t == to_lowercase_utf8) {
529 3448adb0 2022-11-02 op 		ret = grapheme_to_lowercase_utf8(test->input.src, test->input.srclen,
530 3448adb0 2022-11-02 op 		                                 buf, test->input.destlen);
531 3448adb0 2022-11-02 op 	} else if (t == to_uppercase_utf8) {
532 3448adb0 2022-11-02 op 		ret = grapheme_to_uppercase_utf8(test->input.src, test->input.srclen,
533 3448adb0 2022-11-02 op 		                                 buf, test->input.destlen);
534 3448adb0 2022-11-02 op 	} else if (t == to_titlecase_utf8) {
535 3448adb0 2022-11-02 op 		ret = grapheme_to_titlecase_utf8(test->input.src, test->input.srclen,
536 3448adb0 2022-11-02 op 		                                 buf, test->input.destlen);
537 3448adb0 2022-11-02 op 	} else {
538 3448adb0 2022-11-02 op 		goto err;
539 3448adb0 2022-11-02 op 	}
540 3448adb0 2022-11-02 op 
541 3448adb0 2022-11-02 op 	/* check results */
542 3448adb0 2022-11-02 op 	if (ret != test->output.ret ||
543 3448adb0 2022-11-02 op 	    memcmp(buf, test->output.dest, MIN(test->input.destlen, test->output.ret))) {
544 3448adb0 2022-11-02 op 		goto err;
545 3448adb0 2022-11-02 op 	}
546 3448adb0 2022-11-02 op 
547 3448adb0 2022-11-02 op 	/* check that none of the canary values have been overwritten */
548 3448adb0 2022-11-02 op 	for (i = test->input.destlen; i < LEN(buf); i++) {
549 3448adb0 2022-11-02 op 		if (buf[i] != 0x7f) {
550 3448adb0 2022-11-02 op 			goto err;
551 3448adb0 2022-11-02 op 		}
552 3448adb0 2022-11-02 op 	}
553 3448adb0 2022-11-02 op 
554 3448adb0 2022-11-02 op 	return 0;
555 3448adb0 2022-11-02 op err:
556 3448adb0 2022-11-02 op 	fprintf(stderr, "%s: %s: Failed unit test %zu \"%s\" "
557 3448adb0 2022-11-02 op 	        "(returned (\"%.*s\", %zu) instead of (\"%.*s\", %zu)).\n", argv0,
558 3448adb0 2022-11-02 op 	        name, off, test->description, (int)ret, buf, ret,
559 3448adb0 2022-11-02 op 	        (int)test->output.ret, test->output.dest, test->output.ret);
560 3448adb0 2022-11-02 op 	return 1;
561 3448adb0 2022-11-02 op }
562 3448adb0 2022-11-02 op 
563 3448adb0 2022-11-02 op int
564 3448adb0 2022-11-02 op main(int argc, char *argv[])
565 3448adb0 2022-11-02 op {
566 3448adb0 2022-11-02 op 	(void)argc;
567 3448adb0 2022-11-02 op 
568 3448adb0 2022-11-02 op 	return run_unit_tests(unit_test_callback_is_case_utf8, is_lowercase_utf8,
569 3448adb0 2022-11-02 op 	                      LEN(is_lowercase_utf8), "grapheme_is_lowercase_utf8", argv[0]) +
570 3448adb0 2022-11-02 op 	       run_unit_tests(unit_test_callback_is_case_utf8, is_uppercase_utf8,
571 3448adb0 2022-11-02 op 	                      LEN(is_uppercase_utf8), "grapheme_is_uppercase_utf8", argv[0]) +
572 3448adb0 2022-11-02 op 	       run_unit_tests(unit_test_callback_is_case_utf8, is_titlecase_utf8,
573 3448adb0 2022-11-02 op 	                      LEN(is_titlecase_utf8), "grapheme_is_titlecase_utf8", argv[0]) +
574 3448adb0 2022-11-02 op 	       run_unit_tests(unit_test_callback_to_case_utf8, to_lowercase_utf8,
575 3448adb0 2022-11-02 op 	                      LEN(to_lowercase_utf8), "grapheme_to_lowercase_utf8", argv[0]) +
576 3448adb0 2022-11-02 op 	       run_unit_tests(unit_test_callback_to_case_utf8, to_uppercase_utf8,
577 3448adb0 2022-11-02 op 	                      LEN(to_uppercase_utf8), "grapheme_to_uppercase_utf8", argv[0]) +
578 3448adb0 2022-11-02 op 	       run_unit_tests(unit_test_callback_to_case_utf8, to_titlecase_utf8,
579 3448adb0 2022-11-02 op 	                      LEN(to_titlecase_utf8), "grapheme_to_titlecase_utf8", argv[0]);
580 3448adb0 2022-11-02 op }