jsmn_test.c revision 275970 
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4
5#include "jsmn.c"
6
7static int test_passed = 0;
8static int test_failed = 0;
9
10/* Terminate current test with error */
11#define fail()	return __LINE__
12
13/* Successfull end of the test case */
14#define done() return 0
15
16/* Check single condition */
17#define check(cond) do { if (!(cond)) fail(); } while (0)
18
19/* Test runner */
20static void test(int (*func)(void), const char *name) {
21	int r = func();
22	if (r == 0) {
23		test_passed++;
24	} else {
25		test_failed++;
26		printf("FAILED: %s (at line %d)\n", name, r);
27	}
28}
29
30#define TOKEN_EQ(t, tok_start, tok_end, tok_type) \
31	((t).start == tok_start \
32	 && (t).end == tok_end  \
33	 && (t).type == (tok_type))
34
35#define TOKEN_STRING(js, t, s) \
36	(strncmp(js+(t).start, s, (t).end - (t).start) == 0 \
37	 && strlen(s) == (t).end - (t).start)
38
39#define TOKEN_PRINT(t) \
40	printf("start: %d, end: %d, type: %d, size: %d\n", \
41			(t).start, (t).end, (t).type, (t).size)
42
43int test_empty() {
44	const char *js;
45	int r;
46	jsmn_parser p;
47	jsmntok_t t[10];
48
49	js = "{}";
50	jsmn_init(&p);
51	r = jsmn_parse(&p, js, t, 10);
52	check(r == JSMN_SUCCESS);
53	check(t[0].type == JSMN_OBJECT);
54	check(t[0].start == 0 && t[0].end == 2);
55
56	js = "[]";
57	jsmn_init(&p);
58	r = jsmn_parse(&p, js, t, 10);
59	check(r == JSMN_SUCCESS);
60	check(t[0].type == JSMN_ARRAY);
61	check(t[0].start == 0 && t[0].end == 2);
62
63	js = "{\"a\":[]}";
64	jsmn_init(&p);
65	r = jsmn_parse(&p, js, t, 10);
66	check(r == JSMN_SUCCESS);
67	check(t[0].type == JSMN_OBJECT && t[0].start == 0 && t[0].end == 8);
68	check(t[1].type == JSMN_STRING && t[1].start == 2 && t[1].end == 3);
69	check(t[2].type == JSMN_ARRAY && t[2].start == 5 && t[2].end == 7);
70
71	js = "[{},{}]";
72	jsmn_init(&p);
73	r = jsmn_parse(&p, js, t, 10);
74	check(r == JSMN_SUCCESS);
75	check(t[0].type == JSMN_ARRAY && t[0].start == 0 && t[0].end == 7);
76	check(t[1].type == JSMN_OBJECT && t[1].start == 1 && t[1].end == 3);
77	check(t[2].type == JSMN_OBJECT && t[2].start == 4 && t[2].end == 6);
78	return 0;
79}
80
81int test_simple() {
82	const char *js;
83	int r;
84	jsmn_parser p;
85	jsmntok_t tokens[10];
86
87	js = "{\"a\": 0}";
88
89	jsmn_init(&p);
90	r = jsmn_parse(&p, js, tokens, 10);
91	check(r == JSMN_SUCCESS);
92	check(TOKEN_EQ(tokens[0], 0, 8, JSMN_OBJECT));
93	check(TOKEN_EQ(tokens[1], 2, 3, JSMN_STRING));
94	check(TOKEN_EQ(tokens[2], 6, 7, JSMN_PRIMITIVE));
95
96	check(TOKEN_STRING(js, tokens[0], js));
97	check(TOKEN_STRING(js, tokens[1], "a"));
98	check(TOKEN_STRING(js, tokens[2], "0"));
99
100	jsmn_init(&p);
101	js = "[\"a\":{},\"b\":{}]";
102	r = jsmn_parse(&p, js, tokens, 10);
103	check(r == JSMN_SUCCESS);
104
105	jsmn_init(&p);
106	js = "{\n \"Day\": 26,\n \"Month\": 9,\n \"Year\": 12\n }";
107	r = jsmn_parse(&p, js, tokens, 10);
108	check(r == JSMN_SUCCESS);
109
110	return 0;
111}
112
113int test_primitive() {
114	int r;
115	jsmn_parser p;
116	jsmntok_t tok[10];
117	const char *js;
118#ifndef JSMN_STRICT
119	js = "\"boolVar\" : true";
120	jsmn_init(&p);
121	r = jsmn_parse(&p, js, tok, 10);
122	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
123			&& tok[1].type == JSMN_PRIMITIVE);
124	check(TOKEN_STRING(js, tok[0], "boolVar"));
125	check(TOKEN_STRING(js, tok[1], "true"));
126
127	js = "\"boolVar\" : false";
128	jsmn_init(&p);
129	r = jsmn_parse(&p, js, tok, 10);
130	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
131			&& tok[1].type == JSMN_PRIMITIVE);
132	check(TOKEN_STRING(js, tok[0], "boolVar"));
133	check(TOKEN_STRING(js, tok[1], "false"));
134
135	js = "\"intVar\" : 12345";
136	jsmn_init(&p);
137	r = jsmn_parse(&p, js, tok, 10);
138	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
139			&& tok[1].type == JSMN_PRIMITIVE);
140	check(TOKEN_STRING(js, tok[0], "intVar"));
141	check(TOKEN_STRING(js, tok[1], "12345"));
142
143	js = "\"floatVar\" : 12.345";
144	jsmn_init(&p);
145	r = jsmn_parse(&p, js, tok, 10);
146	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
147			&& tok[1].type == JSMN_PRIMITIVE);
148	check(TOKEN_STRING(js, tok[0], "floatVar"));
149	check(TOKEN_STRING(js, tok[1], "12.345"));
150
151	js = "\"nullVar\" : null";
152	jsmn_init(&p);
153	r = jsmn_parse(&p, js, tok, 10);
154	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
155			&& tok[1].type == JSMN_PRIMITIVE);
156	check(TOKEN_STRING(js, tok[0], "nullVar"));
157	check(TOKEN_STRING(js, tok[1], "null"));
158#endif
159	return 0;
160}
161
162int test_string() {
163	int r;
164	jsmn_parser p;
165	jsmntok_t tok[10];
166	const char *js;
167
168	js = "\"strVar\" : \"hello world\"";
169	jsmn_init(&p);
170	r = jsmn_parse(&p, js, tok, 10);
171	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
172			&& tok[1].type == JSMN_STRING);
173	check(TOKEN_STRING(js, tok[0], "strVar"));
174	check(TOKEN_STRING(js, tok[1], "hello world"));
175
176	js = "\"strVar\" : \"escapes: \\/\\r\\n\\t\\b\\f\\\"\\\\\"";
177	jsmn_init(&p);
178	r = jsmn_parse(&p, js, tok, 10);
179	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
180			&& tok[1].type == JSMN_STRING);
181	check(TOKEN_STRING(js, tok[0], "strVar"));
182	check(TOKEN_STRING(js, tok[1], "escapes: \\/\\r\\n\\t\\b\\f\\\"\\\\"));
183
184	js = "\"strVar\" : \"\"";
185	jsmn_init(&p);
186	r = jsmn_parse(&p, js, tok, 10);
187	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
188			&& tok[1].type == JSMN_STRING);
189	check(TOKEN_STRING(js, tok[0], "strVar"));
190	check(TOKEN_STRING(js, tok[1], ""));
191
192	return 0;
193}
194
195int test_partial_string() {
196	int r;
197	jsmn_parser p;
198	jsmntok_t tok[10];
199	const char *js;
200
201	jsmn_init(&p);
202	js = "\"x\": \"va";
203	r = jsmn_parse(&p, js, tok, 10);
204	check(r == JSMN_ERROR_PART && tok[0].type == JSMN_STRING);
205	check(TOKEN_STRING(js, tok[0], "x"));
206	check(p.toknext == 1);
207
208	js = "\"x\": \"valu";
209	r = jsmn_parse(&p, js, tok, 10);
210	check(r == JSMN_ERROR_PART && tok[0].type == JSMN_STRING);
211	check(TOKEN_STRING(js, tok[0], "x"));
212	check(p.toknext == 1);
213
214	js = "\"x\": \"value\"";
215	r = jsmn_parse(&p, js, tok, 10);
216	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
217			&& tok[1].type == JSMN_STRING);
218	check(TOKEN_STRING(js, tok[0], "x"));
219	check(TOKEN_STRING(js, tok[1], "value"));
220
221	js = "\"x\": \"value\", \"y\": \"value y\"";
222	r = jsmn_parse(&p, js, tok, 10);
223	check(r == JSMN_SUCCESS && tok[0].type == JSMN_STRING
224			&& tok[1].type == JSMN_STRING && tok[2].type == JSMN_STRING
225			&& tok[3].type == JSMN_STRING);
226	check(TOKEN_STRING(js, tok[0], "x"));
227	check(TOKEN_STRING(js, tok[1], "value"));
228	check(TOKEN_STRING(js, tok[2], "y"));
229	check(TOKEN_STRING(js, tok[3], "value y"));
230
231	return 0;
232}
233
234int test_unquoted_keys() {
235#ifndef JSMN_STRICT
236	int r;
237	jsmn_parser p;
238	jsmntok_t tok[10];
239	const char *js;
240
241	jsmn_init(&p);
242	js = "key1: \"value\"\nkey2 : 123";
243
244	r = jsmn_parse(&p, js, tok, 10);
245	check(r == JSMN_SUCCESS && tok[0].type == JSMN_PRIMITIVE
246			&& tok[1].type == JSMN_STRING && tok[2].type == JSMN_PRIMITIVE
247			&& tok[3].type == JSMN_PRIMITIVE);
248	check(TOKEN_STRING(js, tok[0], "key1"));
249	check(TOKEN_STRING(js, tok[1], "value"));
250	check(TOKEN_STRING(js, tok[2], "key2"));
251	check(TOKEN_STRING(js, tok[3], "123"));
252#endif
253	return 0;
254}
255
256int test_partial_array() {
257	int r;
258	jsmn_parser p;
259	jsmntok_t tok[10];
260	const char *js;
261
262	jsmn_init(&p);
263	js = "  [ 1, true, ";
264	r = jsmn_parse(&p, js, tok, 10);
265	check(r == JSMN_ERROR_PART && tok[0].type == JSMN_ARRAY
266			&& tok[1].type == JSMN_PRIMITIVE && tok[2].type == JSMN_PRIMITIVE);
267
268	js = "  [ 1, true, [123, \"hello";
269	r = jsmn_parse(&p, js, tok, 10);
270	check(r == JSMN_ERROR_PART && tok[0].type == JSMN_ARRAY
271			&& tok[1].type == JSMN_PRIMITIVE && tok[2].type == JSMN_PRIMITIVE
272			&& tok[3].type == JSMN_ARRAY && tok[4].type == JSMN_PRIMITIVE);
273
274	js = "  [ 1, true, [123, \"hello\"]";
275	r = jsmn_parse(&p, js, tok, 10);
276	check(r == JSMN_ERROR_PART && tok[0].type == JSMN_ARRAY
277			&& tok[1].type == JSMN_PRIMITIVE && tok[2].type == JSMN_PRIMITIVE
278			&& tok[3].type == JSMN_ARRAY && tok[4].type == JSMN_PRIMITIVE
279			&& tok[5].type == JSMN_STRING);
280	/* check child nodes of the 2nd array */
281	check(tok[3].size == 2);
282
283	js = "  [ 1, true, [123, \"hello\"]]";
284	r = jsmn_parse(&p, js, tok, 10);
285	check(r == JSMN_SUCCESS && tok[0].type == JSMN_ARRAY
286			&& tok[1].type == JSMN_PRIMITIVE && tok[2].type == JSMN_PRIMITIVE
287			&& tok[3].type == JSMN_ARRAY && tok[4].type == JSMN_PRIMITIVE
288			&& tok[5].type == JSMN_STRING);
289	check(tok[3].size == 2);
290	check(tok[0].size == 3);
291	return 0;
292}
293
294int test_array_nomem() {
295	int i;
296	int r;
297	jsmn_parser p;
298	jsmntok_t toksmall[10], toklarge[10];
299	const char *js;
300
301	js = "  [ 1, true, [123, \"hello\"]]";
302
303	for (i = 0; i < 6; i++) {
304		jsmn_init(&p);
305		memset(toksmall, 0, sizeof(toksmall));
306		memset(toklarge, 0, sizeof(toklarge));
307		r = jsmn_parse(&p, js, toksmall, i);
308		check(r == JSMN_ERROR_NOMEM);
309
310		memcpy(toklarge, toksmall, sizeof(toksmall));
311
312		r = jsmn_parse(&p, js, toklarge, 10);
313		check(r == JSMN_SUCCESS);
314
315		check(toklarge[0].type == JSMN_ARRAY && toklarge[0].size == 3);
316		check(toklarge[3].type == JSMN_ARRAY && toklarge[3].size == 2);
317	}
318	return 0;
319}
320
321int test_objects_arrays() {
322	int i;
323	int r;
324	jsmn_parser p;
325	jsmntok_t tokens[10];
326	const char *js;
327
328	js = "[10}";
329	jsmn_init(&p);
330	r = jsmn_parse(&p, js, tokens, 10);
331	check(r == JSMN_ERROR_INVAL);
332
333	js = "[10]";
334	jsmn_init(&p);
335	r = jsmn_parse(&p, js, tokens, 10);
336	check(r == JSMN_SUCCESS);
337
338	js = "{\"a\": 1]";
339	jsmn_init(&p);
340	r = jsmn_parse(&p, js, tokens, 10);
341	check(r == JSMN_ERROR_INVAL);
342
343	js = "{\"a\": 1}";
344	jsmn_init(&p);
345	r = jsmn_parse(&p, js, tokens, 10);
346	check(r == JSMN_SUCCESS);
347
348	return 0;
349}
350
351int test_unicode_characters() {
352	jsmn_parser p;
353	jsmntok_t tokens[10];
354	const char *js;
355
356	int r;
357	js = "{\"a\":\"\\uAbcD\"}";
358	jsmn_init(&p);
359	r = jsmn_parse(&p, js, tokens, 10);
360	check(r == JSMN_SUCCESS);
361
362	js = "{\"a\":\"str\\u0000\"}";
363	jsmn_init(&p);
364	r = jsmn_parse(&p, js, tokens, 10);
365	check(r == JSMN_SUCCESS);
366
367	js = "{\"a\":\"\\uFFFFstr\"}";
368	jsmn_init(&p);
369	r = jsmn_parse(&p, js, tokens, 10);
370	check(r == JSMN_SUCCESS);
371
372	js = "{\"a\":\"str\\uFFGFstr\"}";
373	jsmn_init(&p);
374	r = jsmn_parse(&p, js, tokens, 10);
375	check(r == JSMN_ERROR_INVAL);
376
377	js = "{\"a\":\"str\\u@FfF\"}";
378	jsmn_init(&p);
379	r = jsmn_parse(&p, js, tokens, 10);
380	check(r == JSMN_ERROR_INVAL);
381
382	js = "{\"a\":[\"\\u028\"]}";
383	jsmn_init(&p);
384	r = jsmn_parse(&p, js, tokens, 10);
385	check(r == JSMN_ERROR_INVAL);
386
387	js = "{\"a\":[\"\\u0280\"]}";
388	jsmn_init(&p);
389	r = jsmn_parse(&p, js, tokens, 10);
390	check(r == JSMN_SUCCESS);
391
392	return 0;
393}
394
395int main() {
396	test(test_empty, "general test for a empty JSON objects/arrays");
397	test(test_simple, "general test for a simple JSON string");
398	test(test_primitive, "test primitive JSON data types");
399	test(test_string, "test string JSON data types");
400	test(test_partial_string, "test partial JSON string parsing");
401	test(test_partial_array, "test partial array reading");
402	test(test_array_nomem, "test array reading with a smaller number of tokens");
403	test(test_unquoted_keys, "test unquoted keys (like in JavaScript)");
404	test(test_objects_arrays, "test objects and arrays");
405	test(test_unicode_characters, "test unicode characters");
406	printf("\nPASSED: %d\nFAILED: %d\n", test_passed, test_failed);
407	return 0;
408}
409
410