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Merge pull request #11827 from keszybz/pkgconfig-variables
[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"
7#include "json-internal.h"
8#include "json.h"
9#include "string-util.h"
10#include "strv.h"
adbdcfbe 11#include "tests.h"
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12#include "util.h"
13
14static void test_tokenizer(const char *data, ...) {
15 unsigned line = 0, column = 0;
16 void *state = NULL;
17 va_list ap;
18
19 va_start(ap, data);
20
21 for (;;) {
22 unsigned token_line, token_column;
23 _cleanup_free_ char *str = NULL;
24 JsonValue v = JSON_VALUE_NULL;
25 int t, tt;
26
27 t = json_tokenize(&data, &str, &v, &token_line, &token_column, &state, &line, &column);
28 tt = va_arg(ap, int);
29
30 assert_se(t == tt);
31
32 if (t == JSON_TOKEN_END || t < 0)
33 break;
34
35 else if (t == JSON_TOKEN_STRING) {
36 const char *nn;
37
38 nn = va_arg(ap, const char *);
39 assert_se(streq_ptr(nn, str));
40
41 } else if (t == JSON_TOKEN_REAL) {
42 long double d;
43
44 d = va_arg(ap, long double);
45
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46 /* Valgrind doesn't support long double calculations and automatically downgrades to 80bit:
47 * http://www.valgrind.org/docs/manual/manual-core.html#manual-core.limits.
48 * Some architectures might not support long double either.
49 */
50
51 assert_se(fabsl(d - v.real) < 1e-10 ||
52 fabsl((d - v.real) / v.real) < 1e-10);
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53
54 } else if (t == JSON_TOKEN_INTEGER) {
55 intmax_t i;
56
57 i = va_arg(ap, intmax_t);
58 assert_se(i == v.integer);
59
60 } else if (t == JSON_TOKEN_UNSIGNED) {
61 uintmax_t u;
62
63 u = va_arg(ap, uintmax_t);
64 assert_se(u == v.unsig);
65
66 } else if (t == JSON_TOKEN_BOOLEAN) {
67 bool b;
68
69 b = va_arg(ap, int);
70 assert_se(b == v.boolean);
71 }
72 }
73
74 va_end(ap);
75}
76
77typedef void (*Test)(JsonVariant *);
78
79static void test_variant(const char *data, Test test) {
80 _cleanup_(json_variant_unrefp) JsonVariant *v = NULL, *w = NULL;
81 _cleanup_free_ char *s = NULL;
82 int r;
83
84 r = json_parse(data, &v, NULL, NULL);
85 assert_se(r == 0);
86 assert_se(v);
87
88 r = json_variant_format(v, 0, &s);
89 assert_se(r >= 0);
90 assert_se(s);
91
92 log_info("formatted normally: %s\n", s);
93
94 r = json_parse(data, &w, NULL, NULL);
95 assert_se(r == 0);
96 assert_se(w);
97 assert_se(json_variant_has_type(v, json_variant_type(w)));
98 assert_se(json_variant_has_type(w, json_variant_type(v)));
99 assert_se(json_variant_equal(v, w));
100
101 s = mfree(s);
102 w = json_variant_unref(w);
103
104 r = json_variant_format(v, JSON_FORMAT_PRETTY, &s);
105 assert_se(r >= 0);
106 assert_se(s);
107
108 log_info("formatted prettily:\n%s", s);
109
110 r = json_parse(data, &w, NULL, NULL);
111 assert_se(r == 0);
112 assert_se(w);
113
114 assert_se(json_variant_has_type(v, json_variant_type(w)));
115 assert_se(json_variant_has_type(w, json_variant_type(v)));
116 assert_se(json_variant_equal(v, w));
117
118 s = mfree(s);
119 r = json_variant_format(v, JSON_FORMAT_COLOR, &s);
120 assert_se(r >= 0);
121 assert_se(s);
122 printf("Normal with color: %s\n", s);
123
124 s = mfree(s);
125 r = json_variant_format(v, JSON_FORMAT_COLOR|JSON_FORMAT_PRETTY, &s);
126 assert_se(r >= 0);
127 assert_se(s);
128 printf("Pretty with color:\n%s\n", s);
129
130 if (test)
131 test(v);
132}
133
134static void test_1(JsonVariant *v) {
135 JsonVariant *p, *q;
136 unsigned i;
137
138 /* 3 keys + 3 values */
139 assert_se(json_variant_elements(v) == 6);
140
141 /* has k */
142 p = json_variant_by_key(v, "k");
143 assert_se(p && json_variant_type(p) == JSON_VARIANT_STRING);
144
145 /* k equals v */
146 assert_se(streq(json_variant_string(p), "v"));
147
148 /* has foo */
149 p = json_variant_by_key(v, "foo");
150 assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 3);
151
152 /* check foo[0] = 1, foo[1] = 2, foo[2] = 3 */
153 for (i = 0; i < 3; ++i) {
154 q = json_variant_by_index(p, i);
155 assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == (i+1));
156 assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == (i+1));
157 }
158
159 /* has bar */
160 p = json_variant_by_key(v, "bar");
161 assert_se(p && json_variant_type(p) == JSON_VARIANT_OBJECT && json_variant_elements(p) == 2);
162
163 /* zap is null */
164 q = json_variant_by_key(p, "zap");
165 assert_se(q && json_variant_type(q) == JSON_VARIANT_NULL);
166}
167
168static void test_2(JsonVariant *v) {
169 JsonVariant *p, *q;
170
171 /* 2 keys + 2 values */
172 assert_se(json_variant_elements(v) == 4);
173
174 /* has mutant */
175 p = json_variant_by_key(v, "mutant");
176 assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 4);
177
178 /* mutant[0] == 1 */
179 q = json_variant_by_index(p, 0);
180 assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == 1);
181 assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == 1);
182
183 /* mutant[1] == null */
184 q = json_variant_by_index(p, 1);
185 assert_se(q && json_variant_type(q) == JSON_VARIANT_NULL);
186
187 /* mutant[2] == "1" */
188 q = json_variant_by_index(p, 2);
189 assert_se(q && json_variant_type(q) == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
190
191 /* mutant[3] == JSON_VARIANT_OBJECT */
192 q = json_variant_by_index(p, 3);
193 assert_se(q && json_variant_type(q) == JSON_VARIANT_OBJECT && json_variant_elements(q) == 2);
194
195 /* has 1 */
196 p = json_variant_by_key(q, "1");
197 assert_se(p && json_variant_type(p) == JSON_VARIANT_ARRAY && json_variant_elements(p) == 2);
198
199 /* "1"[0] == 1 */
200 q = json_variant_by_index(p, 0);
201 assert_se(q && json_variant_type(q) == JSON_VARIANT_UNSIGNED && json_variant_unsigned(q) == 1);
202 assert_se(q && json_variant_has_type(q, JSON_VARIANT_INTEGER) && json_variant_integer(q) == 1);
203
204 /* "1"[1] == "1" */
205 q = json_variant_by_index(p, 1);
206 assert_se(q && json_variant_type(q) == JSON_VARIANT_STRING && streq(json_variant_string(q), "1"));
207
208 /* has thisisaverylongproperty */
209 p = json_variant_by_key(v, "thisisaverylongproperty");
40990eac 210 assert_se(p && json_variant_type(p) == JSON_VARIANT_REAL && fabsl(json_variant_real(p) - 1.27) < 0.001);
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211}
212
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213static void test_zeroes(JsonVariant *v) {
214 size_t i;
215
216 /* Make sure zero is how we expect it. */
217
218 assert_se(json_variant_elements(v) == 13);
219
220 for (i = 0; i < json_variant_elements(v); i++) {
221 JsonVariant *w;
222 size_t j;
223
224 assert_se(w = json_variant_by_index(v, i));
225
226 assert_se(json_variant_integer(w) == 0);
227 assert_se(json_variant_unsigned(w) == 0U);
228
229#pragma GCC diagnostic push
230#pragma GCC diagnostic ignored "-Wfloat-equal"
231 assert_se(json_variant_real(w) == 0.0L);
232#pragma GCC diagnostic pop
233
234 assert_se(json_variant_is_integer(w));
235 assert_se(json_variant_is_unsigned(w));
236 assert_se(json_variant_is_real(w));
237 assert_se(json_variant_is_number(w));
238
239 assert_se(!json_variant_is_negative(w));
240
241 assert_se(IN_SET(json_variant_type(w), JSON_VARIANT_INTEGER, JSON_VARIANT_UNSIGNED, JSON_VARIANT_REAL));
242
243 for (j = 0; j < json_variant_elements(v); j++) {
244 JsonVariant *q;
245
246 assert_se(q = json_variant_by_index(v, j));
247
248 assert_se(json_variant_equal(w, q));
249 }
250 }
251}
252
253static void test_build(void) {
254 _cleanup_(json_variant_unrefp) JsonVariant *a = NULL, *b = NULL;
255 _cleanup_free_ char *s = NULL, *t = NULL;
256
257 assert_se(json_build(&a, JSON_BUILD_STRING("hallo")) >= 0);
258 assert_se(json_build(&b, JSON_BUILD_LITERAL(" \"hallo\" ")) >= 0);
259 assert_se(json_variant_equal(a, b));
260
261 b = json_variant_unref(b);
262
263 assert_se(json_build(&b, JSON_BUILD_VARIANT(a)) >= 0);
264 assert_se(json_variant_equal(a, b));
265
266 b = json_variant_unref(b);
267 assert_se(json_build(&b, JSON_BUILD_STRING("pief")) >= 0);
268 assert_se(!json_variant_equal(a, b));
269
270 a = json_variant_unref(a);
271 b = json_variant_unref(b);
272
273 assert_se(json_build(&a, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("one", JSON_BUILD_INTEGER(7)),
274 JSON_BUILD_PAIR("two", JSON_BUILD_REAL(2.0)),
275 JSON_BUILD_PAIR("three", JSON_BUILD_INTEGER(0)))) >= 0);
276
277 assert_se(json_build(&b, JSON_BUILD_OBJECT(JSON_BUILD_PAIR("two", JSON_BUILD_INTEGER(2)),
278 JSON_BUILD_PAIR("three", JSON_BUILD_REAL(0)),
279 JSON_BUILD_PAIR("one", JSON_BUILD_REAL(7)))) >= 0);
280
281 assert_se(json_variant_equal(a, b));
282
283 a = json_variant_unref(a);
284 b = json_variant_unref(b);
285
14648b76 286 const char* arr_1234[] = {"one", "two", "three", "four", NULL};
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287 assert_se(json_build(&a, JSON_BUILD_ARRAY(JSON_BUILD_OBJECT(JSON_BUILD_PAIR("x", JSON_BUILD_BOOLEAN(true)),
288 JSON_BUILD_PAIR("y", JSON_BUILD_OBJECT(JSON_BUILD_PAIR("this", JSON_BUILD_NULL)))),
289 JSON_BUILD_VARIANT(NULL),
290 JSON_BUILD_LITERAL(NULL),
291 JSON_BUILD_STRING(NULL),
292 JSON_BUILD_NULL,
293 JSON_BUILD_INTEGER(77),
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294 JSON_BUILD_ARRAY(JSON_BUILD_VARIANT(JSON_VARIANT_STRING_CONST("foobar")),
295 JSON_BUILD_VARIANT(JSON_VARIANT_STRING_CONST("zzz"))),
296 JSON_BUILD_STRV((char**) arr_1234))) >= 0);
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297
298 assert_se(json_variant_format(a, 0, &s) >= 0);
299 log_info("GOT: %s\n", s);
300 assert_se(json_parse(s, &b, NULL, NULL) >= 0);
301 assert_se(json_variant_equal(a, b));
302
303 a = json_variant_unref(a);
304 b = json_variant_unref(b);
305
306 assert_se(json_build(&a, JSON_BUILD_REAL(M_PIl)) >= 0);
307
308 s = mfree(s);
309 assert_se(json_variant_format(a, 0, &s) >= 0);
310 log_info("GOT: %s\n", s);
311 assert_se(json_parse(s, &b, NULL, NULL) >= 0);
312 assert_se(json_variant_format(b, 0, &t) >= 0);
313 log_info("GOT: %s\n", t);
314
315 assert_se(streq(s, t));
316
317 a = json_variant_unref(a);
318 b = json_variant_unref(b);
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319
320 assert_se(json_build(&a, JSON_BUILD_OBJECT(
321 JSON_BUILD_PAIR("x", JSON_BUILD_STRING("y")),
322 JSON_BUILD_PAIR("z", JSON_BUILD_STRING("a")),
323 JSON_BUILD_PAIR("b", JSON_BUILD_STRING("c"))
324 )) >= 0);
325
326 assert_se(json_build(&b, JSON_BUILD_OBJECT(
327 JSON_BUILD_PAIR("x", JSON_BUILD_STRING("y")),
328 JSON_BUILD_PAIR_CONDITION(false, "p", JSON_BUILD_STRING("q")),
329 JSON_BUILD_PAIR_CONDITION(true, "z", JSON_BUILD_STRING("a")),
330 JSON_BUILD_PAIR_CONDITION(false, "j", JSON_BUILD_ARRAY(JSON_BUILD_STRING("k"), JSON_BUILD_STRING("u"), JSON_BUILD_STRING("i"))),
331 JSON_BUILD_PAIR("b", JSON_BUILD_STRING("c"))
332 )) >= 0);
333
334 assert_se(json_variant_equal(a, b));
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335}
336
337static void test_source(void) {
338 static const char data[] =
339 "\n"
340 "\n"
341 "{\n"
342 "\"foo\" : \"bar\", \n"
343 "\"qüüx\" : [ 1, 2, 3,\n"
344 "4,\n"
345 "5 ],\n"
346 "\"miep\" : { \"hallo\" : 1 },\n"
347 "\n"
348 "\"zzzzzz\" \n"
349 ":\n"
350 "[ true, \n"
351 "false, 7.5, {} ]\n"
352 "}\n";
353
354 _cleanup_fclose_ FILE *f = NULL;
355 _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
356
357 printf("--- original begin ---\n"
358 "%s"
359 "--- original end ---\n", data);
360
2d78717b 361 assert_se(f = fmemopen((void*) data, strlen(data), "r"));
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362
363 assert_se(json_parse_file(f, "waldo", &v, NULL, NULL) >= 0);
364
365 printf("--- non-pretty begin ---\n");
366 json_variant_dump(v, 0, stdout, NULL);
367 printf("\n--- non-pretty end ---\n");
368
369 printf("--- pretty begin ---\n");
370 json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR|JSON_FORMAT_SOURCE, stdout, NULL);
371 printf("--- pretty end ---\n");
372}
373
b2fa0d4f 374static void test_depth(void) {
d520d519 375 _cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
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376 unsigned i;
377 int r;
378
d520d519 379 v = JSON_VARIANT_STRING_CONST("start");
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380
381 /* Let's verify that the maximum depth checks work */
382
383 for (i = 0;; i++) {
384 _cleanup_(json_variant_unrefp) JsonVariant *w = NULL;
385
386 assert_se(i <= UINT16_MAX);
387 if (i & 1)
388 r = json_variant_new_array(&w, &v, 1);
389 else
d520d519 390 r = json_variant_new_object(&w, (JsonVariant*[]) { JSON_VARIANT_STRING_CONST("key"), v }, 2);
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391 if (r == -ELNRNG) {
392 log_info("max depth at %u", i);
393 break;
394 }
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395#if HAS_FEATURE_MEMORY_SANITIZER
396 /* msan doesn't like the stack nesting to be too deep. Let's quit early. */
397 if (i >= 128) {
398 log_info("quitting early at depth %u", i);
399 break;
400 }
401#endif
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402
403 assert_se(r >= 0);
404
405 json_variant_unref(v);
406 v = TAKE_PTR(w);
407 }
408
409 json_variant_dump(v, 0, stdout, NULL);
d520d519 410 fputs("\n", stdout);
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411}
412
788c34be 413int main(int argc, char *argv[]) {
adbdcfbe 414 test_setup_logging(LOG_DEBUG);
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415
416 test_tokenizer("x", -EINVAL);
417 test_tokenizer("", JSON_TOKEN_END);
418 test_tokenizer(" ", JSON_TOKEN_END);
419 test_tokenizer("0", JSON_TOKEN_UNSIGNED, (uintmax_t) 0, JSON_TOKEN_END);
420 test_tokenizer("-0", JSON_TOKEN_INTEGER, (intmax_t) 0, JSON_TOKEN_END);
421 test_tokenizer("1234", JSON_TOKEN_UNSIGNED, (uintmax_t) 1234, JSON_TOKEN_END);
422 test_tokenizer("-1234", JSON_TOKEN_INTEGER, (intmax_t) -1234, JSON_TOKEN_END);
423 test_tokenizer("18446744073709551615", JSON_TOKEN_UNSIGNED, (uintmax_t) UINT64_MAX, JSON_TOKEN_END);
424 test_tokenizer("-9223372036854775808", JSON_TOKEN_INTEGER, (intmax_t) INT64_MIN, JSON_TOKEN_END);
425 test_tokenizer("18446744073709551616", JSON_TOKEN_REAL, (long double) 18446744073709551616.0L, JSON_TOKEN_END);
426 test_tokenizer("-9223372036854775809", JSON_TOKEN_REAL, (long double) -9223372036854775809.0L, JSON_TOKEN_END);
427 test_tokenizer("-1234", JSON_TOKEN_INTEGER, (intmax_t) -1234, JSON_TOKEN_END);
428 test_tokenizer("3.141", JSON_TOKEN_REAL, (long double) 3.141, JSON_TOKEN_END);
429 test_tokenizer("0.0", JSON_TOKEN_REAL, (long double) 0.0, JSON_TOKEN_END);
430 test_tokenizer("7e3", JSON_TOKEN_REAL, (long double) 7e3, JSON_TOKEN_END);
431 test_tokenizer("-7e-3", JSON_TOKEN_REAL, (long double) -7e-3, JSON_TOKEN_END);
432 test_tokenizer("true", JSON_TOKEN_BOOLEAN, true, JSON_TOKEN_END);
433 test_tokenizer("false", JSON_TOKEN_BOOLEAN, false, JSON_TOKEN_END);
434 test_tokenizer("null", JSON_TOKEN_NULL, JSON_TOKEN_END);
435 test_tokenizer("{}", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
436 test_tokenizer("\t {\n} \n", JSON_TOKEN_OBJECT_OPEN, JSON_TOKEN_OBJECT_CLOSE, JSON_TOKEN_END);
437 test_tokenizer("[]", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
438 test_tokenizer("\t [] \n\n", JSON_TOKEN_ARRAY_OPEN, JSON_TOKEN_ARRAY_CLOSE, JSON_TOKEN_END);
439 test_tokenizer("\"\"", JSON_TOKEN_STRING, "", JSON_TOKEN_END);
440 test_tokenizer("\"foo\"", JSON_TOKEN_STRING, "foo", JSON_TOKEN_END);
441 test_tokenizer("\"foo\\nfoo\"", JSON_TOKEN_STRING, "foo\nfoo", JSON_TOKEN_END);
442 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);
443 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);
444 test_tokenizer("\"\xef\xbf\xbd\"", JSON_TOKEN_STRING, "\xef\xbf\xbd", JSON_TOKEN_END);
445 test_tokenizer("\"\\ufffd\"", JSON_TOKEN_STRING, "\xef\xbf\xbd", JSON_TOKEN_END);
446 test_tokenizer("\"\\uf\"", -EINVAL);
447 test_tokenizer("\"\\ud800a\"", -EINVAL);
448 test_tokenizer("\"\\udc00\\udc00\"", -EINVAL);
449 test_tokenizer("\"\\ud801\\udc37\"", JSON_TOKEN_STRING, "\xf0\x90\x90\xb7", JSON_TOKEN_END);
450
451 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);
452
453 test_variant("{\"k\": \"v\", \"foo\": [1, 2, 3], \"bar\": {\"zap\": null}}", test_1);
454 test_variant("{\"mutant\": [1, null, \"1\", {\"1\": [1, \"1\"]}], \"thisisaverylongproperty\": 1.27}", test_2);
455 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);
456
457 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);
458
459 test_build();
460
461 test_source();
462
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463 test_depth();
464
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465 return 0;
466}