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comparison: tests/test_printf.c

tests/test_printf.c

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1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2023 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "cx/test.h"
30 #include "util_allocator.h"
31
32 #include "cx/printf.h"
33 #include "cx/buffer.h"
34
35 #define ASSERT_ZERO_TERMINATED(str) CX_TEST_ASSERTM((str).ptr[(str).length] == '\0', \
36 #str " is not zero terminated")
37
38 static size_t test_printf_write_func(
39 void const *src,
40 size_t esize,
41 size_t ecount,
42 void *target
43 ) {
44 memcpy(target, src, esize * ecount);
45 return esize * ecount;
46 }
47
48 CX_TEST(test_bprintf) {
49 CxTestingAllocator talloc;
50 cx_testing_allocator_init(&talloc);
51 CxAllocator *alloc = &talloc.base;
52 CX_TEST_DO {
53 CxBuffer buf;
54 cxBufferInit(&buf, NULL, 64, alloc, 0);
55 size_t r = cx_bprintf(&buf, "This %s aged %u years in a %2XSK.", "Test", 10, 0xca);
56 CX_TEST_ASSERT(r == 34);
57 CX_TEST_ASSERT(buf.size == 34);
58 buf.space[r] = '\0';
59 CX_TEST_ASSERT(0 == strcmp(buf.space, "This Test aged 10 years in a CASK."));
60 cxBufferDestroy(&buf);
61 CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
62 }
63 cx_testing_allocator_destroy(&talloc);
64 }
65
66 CX_TEST(test_bprintf_large_string) {
67 CxTestingAllocator talloc;
68 cx_testing_allocator_init(&talloc);
69 CxAllocator *alloc = &talloc.base;
70 char *aaa = malloc(512);
71 char *bbb = malloc(512);
72 char *expected = malloc(1040);
73 memset(aaa, 'a', 511);
74 aaa[511] = 0;
75 memset(bbb, 'b', 511);
76 bbb[511] = 0;
77 sprintf(expected, "After %s comes %s.", aaa, bbb);
78 CX_TEST_DO {
79 CxBuffer buf;
80 cxBufferInit(&buf, NULL, 64, alloc, CX_BUFFER_AUTO_EXTEND);
81 size_t r = cx_bprintf(&buf, "After %s comes %s.", aaa, bbb);
82 CX_TEST_ASSERT(r == 1036);
83 CX_TEST_ASSERT(buf.size == 1036);
84 cxBufferPut(&buf, 0);
85 CX_TEST_ASSERT(0 == strcmp(expected, buf.space));
86 cxBufferDestroy(&buf);
87 CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
88 }
89 free(aaa);
90 free(bbb);
91 free(expected);
92 cx_testing_allocator_destroy(&talloc);
93 }
94
95 CX_TEST(test_bprintf_nocap) {
96 CxTestingAllocator talloc;
97 cx_testing_allocator_init(&talloc);
98 CxAllocator *alloc = &talloc.base;
99 char space[20];
100 memset(space, 'a', 20);
101 CX_TEST_DO {
102 CxBuffer buf;
103 cxBufferInit(&buf, space, 16, alloc, 0);
104 size_t r = cx_bprintf(&buf, "Hello %s with more than %d chars.", "string", 16);
105 CX_TEST_ASSERT(r == 16);
106 CX_TEST_ASSERT(buf.size == 16);
107 CX_TEST_ASSERT(0 == memcmp(space, "Hello string witaaaa", 20));
108 cxBufferDestroy(&buf);
109 CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
110 }
111 cx_testing_allocator_destroy(&talloc);
112 }
113
114 CX_TEST(test_fprintf) {
115 char const *h = "Hello";
116 char buf[32];
117 size_t r;
118 CX_TEST_DO {
119 r = cx_fprintf(buf, test_printf_write_func, "teststring");
120 CX_TEST_ASSERT(r == 10);
121 CX_TEST_ASSERT(0 == memcmp(buf, "teststring", r));
122
123 r = cx_fprintf(buf, test_printf_write_func, "[%10s]", h);
124 CX_TEST_ASSERT(r == 12);
125 CX_TEST_ASSERT(0 == memcmp(buf, "[ Hello]", r));
126
127 r = cx_fprintf(buf, test_printf_write_func, "[%-10s]", h);
128 CX_TEST_ASSERT(r == 12);
129 CX_TEST_ASSERT(0 == memcmp(buf, "[Hello ]", r));
130
131 r = cx_fprintf(buf, test_printf_write_func, "[%*s]", 10, h);
132 CX_TEST_ASSERT(r == 12);
133 CX_TEST_ASSERT(0 == memcmp(buf, "[ Hello]", r));
134
135 r = cx_fprintf(buf, test_printf_write_func, "[%-10.*s]", 4, h);
136 CX_TEST_ASSERT(r == 12);
137 CX_TEST_ASSERT(0 == memcmp(buf, "[Hell ]", r));
138
139 r = cx_fprintf(buf, test_printf_write_func, "[%-*.*s]", 10, 4, h);
140 CX_TEST_ASSERT(r == 12);
141 CX_TEST_ASSERT(0 == memcmp(buf, "[Hell ]", r));
142
143 r = cx_fprintf(buf, test_printf_write_func, "%c", 'A');
144 CX_TEST_ASSERT(r == 1);
145 CX_TEST_ASSERT(0 == memcmp(buf, "A", r));
146
147 r = cx_fprintf(buf, test_printf_write_func, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
148 CX_TEST_ASSERT(r == 19);
149 CX_TEST_ASSERT(0 == memcmp(buf, "1 2 000003 0 +4 -4", r));
150
151 r = cx_fprintf(buf, test_printf_write_func, "%x %x %X %#x", 5, 10, 10, 6);
152 CX_TEST_ASSERT(r == 9);
153 CX_TEST_ASSERT(0 == memcmp(buf, "5 a A 0x6", r));
154
155 r = cx_fprintf(buf, test_printf_write_func, "%o %#o %#o", 10, 10, 4);
156 CX_TEST_ASSERT(r == 9);
157 CX_TEST_ASSERT(0 == memcmp(buf, "12 012 04", r));
158
159 r = cx_fprintf(buf, test_printf_write_func, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
160 CX_TEST_ASSERT(r == 16);
161 CX_TEST_ASSERT(0 == memcmp(buf, "01.50 1.50 1.50", r));
162
163 r = cx_fprintf(buf, test_printf_write_func, "'%*c'", 5, 'x');
164 CX_TEST_ASSERT(r == 7);
165 CX_TEST_ASSERT(0 == memcmp(buf, "' x'", r));
166
167 r = cx_fprintf(buf, test_printf_write_func, "'%*c'", -5, 'x');
168 CX_TEST_ASSERT(r == 7);
169 CX_TEST_ASSERT(0 == memcmp(buf, "'x '", r));
170 }
171 }
172
173 CX_TEST(test_asprintf) {
174 CxTestingAllocator talloc;
175 cx_testing_allocator_init(&talloc);
176 CxAllocator *alloc = &talloc.base;
177
178 char const *h = "Hello";
179
180 int const specimen_count = 13;
181 cxmutstr r[specimen_count];
182 int specimen = 0;
183
184 CX_TEST_DO {
185 r[specimen] = cx_asprintf_a(alloc, "teststring");
186 CX_TEST_ASSERT(r[specimen].length == 10);
187 ASSERT_ZERO_TERMINATED(r[specimen]);
188 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "teststring"));
189 specimen++;
190
191 r[specimen] = cx_asprintf_a(alloc, "[%10s]", h);
192 CX_TEST_ASSERT(r[specimen].length == 12);
193 ASSERT_ZERO_TERMINATED(r[specimen]);
194 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[ Hello]"));
195 specimen++;
196
197 r[specimen] = cx_asprintf_a(alloc, "[%-10s]", h);
198 CX_TEST_ASSERT(r[specimen].length == 12);
199 ASSERT_ZERO_TERMINATED(r[specimen]);
200 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[Hello ]"));
201 specimen++;
202
203 r[specimen] = cx_asprintf_a(alloc, "[%*s]", 10, h);
204 CX_TEST_ASSERT(r[specimen].length == 12);
205 ASSERT_ZERO_TERMINATED(r[specimen]);
206 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[ Hello]"));
207 specimen++;
208
209 r[specimen] = cx_asprintf_a(alloc, "[%-10.*s]", 4, h);
210 CX_TEST_ASSERT(r[specimen].length == 12);
211 ASSERT_ZERO_TERMINATED(r[specimen]);
212 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[Hell ]"));
213 specimen++;
214
215 r[specimen] = cx_asprintf_a(alloc, "[%-*.*s]", 10, 4, h);
216 CX_TEST_ASSERT(r[specimen].length == 12);
217 ASSERT_ZERO_TERMINATED(r[specimen]);
218 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "[Hell ]"));
219 specimen++;
220
221 r[specimen] = cx_asprintf_a(alloc, "%c", 'A');
222 CX_TEST_ASSERT(r[specimen].length == 1);
223 ASSERT_ZERO_TERMINATED(r[specimen]);
224 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "A"));
225 specimen++;
226
227 r[specimen] = cx_asprintf_a(alloc, "%i %d %.6i %i %.0i %+i %i", 1, 2, 3, 0, 0, 4, -4);
228 CX_TEST_ASSERT(r[specimen].length == 19);
229 ASSERT_ZERO_TERMINATED(r[specimen]);
230 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "1 2 000003 0 +4 -4"));
231 specimen++;
232
233 r[specimen] = cx_asprintf_a(alloc, "%x %x %X %#x", 5, 10, 10, 6);
234 CX_TEST_ASSERT(r[specimen].length == 9);
235 ASSERT_ZERO_TERMINATED(r[specimen]);
236 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "5 a A 0x6"));
237 specimen++;
238
239 r[specimen] = cx_asprintf_a(alloc, "%o %#o %#o", 10, 10, 4);
240 CX_TEST_ASSERT(r[specimen].length == 9);
241 ASSERT_ZERO_TERMINATED(r[specimen]);
242 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "12 012 04"));
243 specimen++;
244
245 r[specimen] = cx_asprintf_a(alloc, "%05.2f %.2f %5.2f", 1.5, 1.5, 1.5);
246 CX_TEST_ASSERT(r[specimen].length == 16);
247 ASSERT_ZERO_TERMINATED(r[specimen]);
248 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "01.50 1.50 1.50"));
249 specimen++;
250
251 r[specimen] = cx_asprintf_a(alloc, "'%*c'", 5, 'x');
252 CX_TEST_ASSERT(r[specimen].length == 7);
253 ASSERT_ZERO_TERMINATED(r[specimen]);
254 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "' x'"));
255 specimen++;
256
257 r[specimen] = cx_asprintf_a(alloc, "'%*c'", -5, 'x');
258 CX_TEST_ASSERT(r[specimen].length == 7);
259 ASSERT_ZERO_TERMINATED(r[specimen]);
260 CX_TEST_ASSERT(0 == strcmp(r[specimen].ptr, "'x '"));
261 specimen++;
262
263 CX_TEST_ASSERT(specimen == specimen_count); // self-test
264
265 for (int i = 0; i < specimen_count; i++) {
266 cx_strfree_a(alloc, &r[i]);
267 }
268 CX_TEST_ASSERT(cx_testing_allocator_verify(&talloc));
269 }
270 cx_testing_allocator_destroy(&talloc);
271 }
272
273 CX_TEST(test_asprintf_large_string) {
274 char *aaa = malloc(512);
275 char *bbb = malloc(512);
276 char *expected = malloc(1040);
277 memset(aaa, 'a', 511);
278 aaa[511] = 0;
279 memset(bbb, 'b', 511);
280 bbb[511] = 0;
281 sprintf(expected, "After %s comes %s.", aaa, bbb);
282 CX_TEST_DO {
283 cxmutstr r = cx_asprintf("After %s comes %s.", aaa, bbb);
284 CX_TEST_ASSERT(r.length == 1036);
285 ASSERT_ZERO_TERMINATED(r);
286 CX_TEST_ASSERT(0 == strcmp(r.ptr, expected));
287 cx_strfree(&r);
288 }
289 free(aaa);
290 free(bbb);
291 free(expected);
292 }
293
294 CxTestSuite *cx_test_suite_printf(void) {
295 CxTestSuite *suite = cx_test_suite_new("printf");
296
297 cx_test_register(suite, test_bprintf);
298 cx_test_register(suite, test_bprintf_large_string);
299 cx_test_register(suite, test_bprintf_nocap);
300 cx_test_register(suite, test_fprintf);
301 cx_test_register(suite, test_asprintf);
302 cx_test_register(suite, test_asprintf_large_string);
303
304 return suite;
305 }

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