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Merge pull request #13365 from keszybz/fix-commits-from-pr-13246
[thirdparty/systemd.git] / src / test / test-json.c
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1/* SPDX-License-Identifier: LGPL-2.1+ */
2
3#include <math.h>
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4
5#include "alloc-util.h"
6#include "fd-util.h"
673a1e6f 7#include "fileio.h"
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8#include "json-internal.h"
9#include "json.h"
10#include "string-util.h"
11#include "strv.h"
adbdcfbe 12#include "tests.h"
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13#include "util.h"
14
15static void test_tokenizer(const char *data, ...) {
16 unsigned line = 0, column = 0;
17 void *state = NULL;
18 va_list ap;
19
20 va_start(ap, data);
21
22 for (;;) {
23 unsigned token_line, token_column;
24 _cleanup_free_ char *str = NULL;
25 JsonValue v = JSON_VALUE_NULL;
26 int t, tt;
27
28 t = json_tokenize(&data, &str, &v, &token_line, &token_column, &state, &line, &column);
29 tt = va_arg(ap, int);
30
31 assert_se(t == tt);
32
33 if (t == JSON_TOKEN_END || t < 0)
34 break;
35
36 else if (t == JSON_TOKEN_STRING) {
37 const char *nn;
38
39 nn = va_arg(ap, const char *);
40 assert_se(streq_ptr(nn, str));
41
42 } else if (t == JSON_TOKEN_REAL) {
43 long double d;
44
45 d = va_arg(ap, long double);
46
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47 /* Valgrind doesn't support long double calculations and automatically downgrades to 80bit:
48 * http://www.valgrind.org/docs/manual/manual-core.html#manual-core.limits.
49 * Some architectures might not support long double either.
50 */
51
52 assert_se(fabsl(d - v.real) < 1e-10 ||
53 fabsl((d - v.real) / v.real) < 1e-10);
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54
55 } else if (t == JSON_TOKEN_INTEGER) {
56 intmax_t i;
57
58 i = va_arg(ap, intmax_t);
59 assert_se(i == v.integer);
60
61 } else if (t == JSON_TOKEN_UNSIGNED) {
62 uintmax_t u;
63
64 u = va_arg(ap, uintmax_t);
65 assert_se(u == v.unsig);
66
67 } else if (t == JSON_TOKEN_BOOLEAN) {
68 bool b;
69
70 b = va_arg(ap, int);
71 assert_se(b == v.boolean);
72 }
73 }
74
75 va_end(ap);
76}
77
78typedef void (*Test)(JsonVariant *);
79
80static void test_variant(const char *data, Test test) {
81 _cleanup_(json_variant_unrefp) JsonVariant *v = NULL, *w = NULL;
82 _cleanup_free_ char *s = NULL;
83 int r;
84
85 r = json_parse(data, &v, NULL, NULL);
86 assert_se(r == 0);
87 assert_se(v);
88
89 r = json_variant_format(v, 0, &s);
90 assert_se(r >= 0);
91 assert_se(s);
2a04712c 92 assert_se((size_t) r == strlen(s));
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93
94 log_info("formatted normally: %s\n", s);
95
96 r = json_parse(data, &w, NULL, NULL);
97 assert_se(r == 0);
98 assert_se(w);
99 assert_se(json_variant_has_type(v, json_variant_type(w)));
100 assert_se(json_variant_has_type(w, json_variant_type(v)));
101 assert_se(json_variant_equal(v, w));
102
103 s = mfree(s);
104 w = json_variant_unref(w);
105
106 r = json_variant_format(v, JSON_FORMAT_PRETTY, &s);
107 assert_se(r >= 0);
108 assert_se(s);
2a04712c 109 assert_se((size_t) r == strlen(s));
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110
111 log_info("formatted prettily:\n%s", s);
112
113 r = json_parse(data, &w, NULL, NULL);
114 assert_se(r == 0);
115 assert_se(w);
116
117 assert_se(json_variant_has_type(v, json_variant_type(w)));
118 assert_se(json_variant_has_type(w, json_variant_type(v)));
119 assert_se(json_variant_equal(v, w));
120
121 s = mfree(s);
122 r = json_variant_format(v, JSON_FORMAT_COLOR, &s);
123 assert_se(r >= 0);
124 assert_se(s);
2a04712c 125 assert_se((size_t) r == strlen(s));
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126 printf("Normal with color: %s\n", s);
127
128 s = mfree(s);
129 r = json_variant_format(v, JSON_FORMAT_COLOR|JSON_FORMAT_PRETTY, &s);
130 assert_se(r >= 0);
131 assert_se(s);
2a04712c 132 assert_se((size_t) r == strlen(s));
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133 printf("Pretty with color:\n%s\n", s);
134
135 if (test)
136 test(v);
137}
138
139static void test_1(JsonVariant *v) {
140 JsonVariant *p, *q;
141 unsigned i;
142
143 /* 3 keys + 3 values */
144 assert_se(json_variant_elements(v) == 6);
145
146 /* has k */
147 p = json_variant_by_key(v, "k");
148 assert_se(p && json_variant_type(p) == JSON_VARIANT_STRING);
149
150 /* k equals v */
151 assert_se(streq(json_variant_string(p), "v"));
152
153 /* has foo */
154 p = json_variant_by_key(v, "foo");
155 assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 3);
156
157 /* check foo[0] = 1, foo[1] = 2, foo[2] = 3 */
158 for (i = 0; i < 3; ++i) {
159 q = json_variant_by_index(p, i);
160 assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == (i+1));
161 assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == (i+1));
162 }
163
164 /* has bar */
165 p = json_variant_by_key(v, "bar");
166 assert_se(p && json_variant_type(p) == JSON_VARIANT_OBJECT && json_variant_elements(p) == 2);
167
168 /* zap is null */
169 q = json_variant_by_key(p, "zap");
170 assert_se(q && json_variant_type(q) == JSON_VARIANT_NULL);
171}
172
173static void test_2(JsonVariant *v) {
174 JsonVariant *p, *q;
175
176 /* 2 keys + 2 values */
177 assert_se(json_variant_elements(v) == 4);
178
179 /* has mutant */
180 p = json_variant_by_key(v, "mutant");
181 assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 4);
182
183 /* mutant[0] == 1 */
184 q = json_variant_by_index(p, 0);
185 assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == 1);
186 assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == 1);
187
188 /* mutant[1] == null */
189 q = json_variant_by_index(p, 1);
190 assert_se(q && json_variant_type(q) == JSON_VARIANT_NULL);
191
192 /* mutant[2] == "1" */
193 q = json_variant_by_index(p, 2);
194 assert_se(q && json_variant_type(q) == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
195
196 /* mutant[3] == JSON_VARIANT_OBJECT */
197 q = json_variant_by_index(p, 3);
198 assert_se(q && json_variant_type(q) == JSON_VARIANT_OBJECT && json_variant_elements(q) == 2);
199
200 /* has 1 */
201 p = json_variant_by_key(q, "1");
202 assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 2);
203
204 /* "1"[0] == 1 */
205 q = json_variant_by_index(p, 0);
206 assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == 1);
207 assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == 1);
208
209 /* "1"[1] == "1" */
210 q = json_variant_by_index(p, 1);
211 assert_se(q && json_variant_type(q) == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
212
213 /* has thisisaverylongproperty */
214 p = json_variant_by_key(v, "thisisaverylongproperty");
40990eac 215 assert_se(p && json_variant_type(p) == JSON_VARIANT_REAL && fabsl(json_variant_real(p) - 1.27) < 0.001);
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216}
217
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218static void test_zeroes(JsonVariant *v) {
219 size_t i;
220
221 /* Make sure zero is how we expect it. */
222
223 assert_se(json_variant_elements(v) == 13);
224
225 for (i = 0; i < json_variant_elements(v); i++) {
226 JsonVariant *w;
227 size_t j;
228
229 assert_se(w = json_variant_by_index(v, i));
230
231 assert_se(json_variant_integer(w) == 0);
232 assert_se(json_variant_unsigned(w) == 0U);
233
234#pragma GCC diagnostic push
235#pragma GCC diagnostic ignored "-Wfloat-equal"
236 assert_se(json_variant_real(w) == 0.0L);
237#pragma GCC diagnostic pop
238
239 assert_se(json_variant_is_integer(w));
240 assert_se(json_variant_is_unsigned(w));
241 assert_se(json_variant_is_real(w));
242 assert_se(json_variant_is_number(w));
243
244 assert_se(!json_variant_is_negative(w));
245
246 assert_se(IN_SET(json_variant_type(w), JSON_VARIANT_INTEGER, JSON_VARIANT_UNSIGNED, JSON_VARIANT_REAL));
247
248 for (j = 0; j < json_variant_elements(v); j++) {
249 JsonVariant *q;
250
251 assert_se(q = json_variant_by_index(v, j));
252
253 assert_se(json_variant_equal(w, q));
254 }
255 }
256}
257
258static void test_build(void) {
259 _cleanup_(json_variant_unrefp) JsonVariant *a = NULL, *b = NULL;
260 _cleanup_free_ char *s = NULL, *t = NULL;
261
262 assert_se(json_build(&a, JSON_BUILD_STRING("hallo")) >= 0);
263 assert_se(json_build(&b, JSON_BUILD_LITERAL(" \"hallo\" ")) >= 0);
264 assert_se(json_variant_equal(a, b));
265
266 b = json_variant_unref(b);
267
268 assert_se(json_build(&b, JSON_BUILD_VARIANT(a)) >= 0);
269 assert_se(json_variant_equal(a, b));
270
271 b = json_variant_unref(b);
272 assert_se(json_build(&b, JSON_BUILD_STRING("pief")) >= 0);
273 assert_se(!json_variant_equal(a, b));
274
275 a = json_variant_unref(a);
276 b = json_variant_unref(b);
277
278 assert_se(json_build(&a, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("one", JSON_BUILD_INTEGER(7)),
279 JSON_BUILD_PAIR("two", JSON_BUILD_REAL(2.0)),
280 JSON_BUILD_PAIR("three", JSON_BUILD_INTEGER(0)))) >= 0);
281
282 assert_se(json_build(&b, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("two", JSON_BUILD_INTEGER(2)),
283 JSON_BUILD_PAIR("three", JSON_BUILD_REAL(0)),
284 JSON_BUILD_PAIR("one", JSON_BUILD_REAL(7)))) >= 0);
285
286 assert_se(json_variant_equal(a, b));
287
288 a = json_variant_unref(a);
289 b = json_variant_unref(b);
290
14648b76 291 const char* arr_1234[] = {"one", "two", "three", "four", NULL};
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292 assert_se(json_build(&a, JSON_BUILD_ARRAY(JSON_BUILD_OBJECT(JSON_BUILD_PAIR("x", JSON_BUILD_BOOLEAN(true)),
293 JSON_BUILD_PAIR("y", JSON_BUILD_OBJECT(JSON_BUILD_PAIR("this", JSON_BUILD_NULL)))),
294 JSON_BUILD_VARIANT(NULL),
295 JSON_BUILD_LITERAL(NULL),
296 JSON_BUILD_STRING(NULL),
297 JSON_BUILD_NULL,
298 JSON_BUILD_INTEGER(77),
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299 JSON_BUILD_ARRAY(JSON_BUILD_VARIANT(JSON_VARIANT_STRING_CONST("foobar")),
300 JSON_BUILD_VARIANT(JSON_VARIANT_STRING_CONST("zzz"))),
301 JSON_BUILD_STRV((char**) arr_1234))) >= 0);
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302
303 assert_se(json_variant_format(a, 0, &s) >= 0);
304 log_info("GOT: %s\n", s);
305 assert_se(json_parse(s, &b, NULL, NULL) >= 0);
306 assert_se(json_variant_equal(a, b));
307
308 a = json_variant_unref(a);
309 b = json_variant_unref(b);
310
311 assert_se(json_build(&a, JSON_BUILD_REAL(M_PIl)) >= 0);
312
313 s = mfree(s);
314 assert_se(json_variant_format(a, 0, &s) >= 0);
315 log_info("GOT: %s\n", s);
316 assert_se(json_parse(s, &b, NULL, NULL) >= 0);
317 assert_se(json_variant_format(b, 0, &t) >= 0);
318 log_info("GOT: %s\n", t);
319
320 assert_se(streq(s, t));
321
322 a = json_variant_unref(a);
323 b = json_variant_unref(b);
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324
325 assert_se(json_build(&a, JSON_BUILD_OBJECT(
326 JSON_BUILD_PAIR("x", JSON_BUILD_STRING("y")),
327 JSON_BUILD_PAIR("z", JSON_BUILD_STRING("a")),
328 JSON_BUILD_PAIR("b", JSON_BUILD_STRING("c"))
329 )) >= 0);
330
331 assert_se(json_build(&b, JSON_BUILD_OBJECT(
332 JSON_BUILD_PAIR("x", JSON_BUILD_STRING("y")),
333 JSON_BUILD_PAIR_CONDITION(false, "p", JSON_BUILD_STRING("q")),
334 JSON_BUILD_PAIR_CONDITION(true, "z", JSON_BUILD_STRING("a")),
335 JSON_BUILD_PAIR_CONDITION(false, "j", JSON_BUILD_ARRAY(JSON_BUILD_STRING("k"), JSON_BUILD_STRING("u"), JSON_BUILD_STRING("i"))),
336 JSON_BUILD_PAIR("b", JSON_BUILD_STRING("c"))
337 )) >= 0);
338
339 assert_se(json_variant_equal(a, b));
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340}
341
342static void test_source(void) {
343 static const char data[] =
344 "\n"
345 "\n"
346 "{\n"
347 "\"foo\" : \"bar\", \n"
348 "\"qüüx\" : [ 1, 2, 3,\n"
349 "4,\n"
350 "5 ],\n"
351 "\"miep\" : { \"hallo\" : 1 },\n"
352 "\n"
353 "\"zzzzzz\" \n"
354 ":\n"
355 "[ true, \n"
356 "false, 7.5, {} ]\n"
357 "}\n";
358
359 _cleanup_fclose_ FILE *f = NULL;
360 _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
361
362 printf("--- original begin ---\n"
363 "%s"
364 "--- original end ---\n", data);
365
673a1e6f 366 assert_se(f = fmemopen_unlocked((void*) data, strlen(data), "r"));
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367
368 assert_se(json_parse_file(f, "waldo", &v, NULL, NULL) >= 0);
369
370 printf("--- non-pretty begin ---\n");
371 json_variant_dump(v, 0, stdout, NULL);
372 printf("\n--- non-pretty end ---\n");
373
374 printf("--- pretty begin ---\n");
375 json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR|JSON_FORMAT_SOURCE, stdout, NULL);
376 printf("--- pretty end ---\n");
377}
378
b2fa0d4f 379static void test_depth(void) {
d520d519 380 _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
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381 unsigned i;
382 int r;
383
d520d519 384 v = JSON_VARIANT_STRING_CONST("start");
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385
386 /* Let's verify that the maximum depth checks work */
387
388 for (i = 0;; i++) {
389 _cleanup_(json_variant_unrefp) JsonVariant *w = NULL;
390
391 assert_se(i <= UINT16_MAX);
392 if (i & 1)
393 r = json_variant_new_array(&w, &v, 1);
394 else
d520d519 395 r = json_variant_new_object(&w, (JsonVariant*[]) { JSON_VARIANT_STRING_CONST("key"), v }, 2);
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396 if (r == -ELNRNG) {
397 log_info("max depth at %u", i);
398 break;
399 }
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400#if HAS_FEATURE_MEMORY_SANITIZER
401 /* msan doesn't like the stack nesting to be too deep. Let's quit early. */
402 if (i >= 128) {
403 log_info("quitting early at depth %u", i);
404 break;
405 }
406#endif
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407
408 assert_se(r >= 0);
409
410 json_variant_unref(v);
411 v = TAKE_PTR(w);
412 }
413
414 json_variant_dump(v, 0, stdout, NULL);
d520d519 415 fputs("\n", stdout);
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416}
417
788c34be 418int main(int argc, char *argv[]) {
adbdcfbe 419 test_setup_logging(LOG_DEBUG);
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420
421 test_tokenizer("x", -EINVAL);
422 test_tokenizer("", JSON_TOKEN_END);
423 test_tokenizer(" ", JSON_TOKEN_END);
424 test_tokenizer("0", JSON_TOKEN_UNSIGNED, (uintmax_t) 0, JSON_TOKEN_END);
425 test_tokenizer("-0", JSON_TOKEN_INTEGER, (intmax_t) 0, JSON_TOKEN_END);
426 test_tokenizer("1234", JSON_TOKEN_UNSIGNED, (uintmax_t) 1234, JSON_TOKEN_END);
427 test_tokenizer("-1234", JSON_TOKEN_INTEGER, (intmax_t) -1234, JSON_TOKEN_END);
428 test_tokenizer("18446744073709551615", JSON_TOKEN_UNSIGNED, (uintmax_t) UINT64_MAX, JSON_TOKEN_END);
429 test_tokenizer("-9223372036854775808", JSON_TOKEN_INTEGER, (intmax_t) INT64_MIN, JSON_TOKEN_END);
430 test_tokenizer("18446744073709551616", JSON_TOKEN_REAL, (long double) 18446744073709551616.0L, JSON_TOKEN_END);
431 test_tokenizer("-9223372036854775809", JSON_TOKEN_REAL, (long double) -9223372036854775809.0L, JSON_TOKEN_END);
432 test_tokenizer("-1234", JSON_TOKEN_INTEGER, (intmax_t) -1234, JSON_TOKEN_END);
433 test_tokenizer("3.141", JSON_TOKEN_REAL, (long double) 3.141, JSON_TOKEN_END);
434 test_tokenizer("0.0", JSON_TOKEN_REAL, (long double) 0.0, JSON_TOKEN_END);
435 test_tokenizer("7e3", JSON_TOKEN_REAL, (long double) 7e3, JSON_TOKEN_END);
436 test_tokenizer("-7e-3", JSON_TOKEN_REAL, (long double) -7e-3, JSON_TOKEN_END);
437 test_tokenizer("true", JSON_TOKEN_BOOLEAN, true, JSON_TOKEN_END);
438 test_tokenizer("false", JSON_TOKEN_BOOLEAN, false, JSON_TOKEN_END);
439 test_tokenizer("null", JSON_TOKEN_NULL, JSON_TOKEN_END);
440 test_tokenizer("{}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
441 test_tokenizer("\t {\n} \n", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
442 test_tokenizer("[]", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
443 test_tokenizer("\t [] \n\n", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
444 test_tokenizer("\"\"", JSON_TOKEN_STRING, "", JSON_TOKEN_END);
445 test_tokenizer("\"foo\"", JSON_TOKEN_STRING, "foo", JSON_TOKEN_END);
446 test_tokenizer("\"foo\\nfoo\"", JSON_TOKEN_STRING, "foo\nfoo", JSON_TOKEN_END);
447 test_tokenizer("{\"foo\" : \"bar\"}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_STRING, "foo", JSON_TOKEN_COLON, JSON_TOKEN_STRING, "bar", JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
448 test_tokenizer("{\"foo\" : [true, false]}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_STRING, "foo", JSON_TOKEN_COLON, JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_BOOLEAN, true, JSON_TOKEN_COMMA, JSON_TOKEN_BOOLEAN, false, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
449 test_tokenizer("\"\xef\xbf\xbd\"", JSON_TOKEN_STRING, "\xef\xbf\xbd", JSON_TOKEN_END);
450 test_tokenizer("\"\\ufffd\"", JSON_TOKEN_STRING, "\xef\xbf\xbd", JSON_TOKEN_END);
451 test_tokenizer("\"\\uf\"", -EINVAL);
452 test_tokenizer("\"\\ud800a\"", -EINVAL);
453 test_tokenizer("\"\\udc00\\udc00\"", -EINVAL);
454 test_tokenizer("\"\\ud801\\udc37\"", JSON_TOKEN_STRING, "\xf0\x90\x90\xb7", JSON_TOKEN_END);
455
456 test_tokenizer("[1, 2, -3]", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_UNSIGNED, (uintmax_t) 1, JSON_TOKEN_COMMA, JSON_TOKEN_UNSIGNED, (uintmax_t) 2, JSON_TOKEN_COMMA, JSON_TOKEN_INTEGER, (intmax_t) -3, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
457
458 test_variant("{\"k\": \"v\", \"foo\": [1, 2, 3], \"bar\": {\"zap\": null}}", test_1);
459 test_variant("{\"mutant\": [1, null, \"1\", {\"1\": [1, \"1\"]}], \"thisisaverylongproperty\": 1.27}", test_2);
460 test_variant("{\"foo\" : \"\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFFFFF\\\"\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFF\\uDBFF\\uDFFFF\\uDBFF\\uDFFF\\uDBFF\\uDFFF\\uDBFF\\uDFFF\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFFFF\\\"\\uDBFF\\uDFFF\\\"\\uD9FF\\uDFFF\\uDBFF\\uDFFF\"}", NULL);
461
462 test_variant("[ 0, -0, 0.0, -0.0, 0.000, -0.000, 0e0, -0e0, 0e+0, -0e-0, 0e-0, -0e000, 0e+000 ]", test_zeroes);
463
464 test_build();
465
466 test_source();
467
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468 test_depth();
469
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470 return 0;
471}