1 /* This includes the whole .c file to get access to static functions. */
2 #define PB_ENABLE_MALLOC
3 #include "pb_common.c"
4 #include "pb_decode.c"
5
6 #include <stdio.h>
7 #include <string.h>
8 #include "unittests.h"
9 #include "unittestproto.pb.h"
10
11 #define S(x) pb_istream_from_buffer((uint8_t*)x, sizeof(x) - 1)
12
stream_callback(pb_istream_t * stream,uint8_t * buf,size_t count)13 bool stream_callback(pb_istream_t *stream, uint8_t *buf, size_t count)
14 {
15 if (stream->state != NULL)
16 return false; /* Simulate error */
17
18 if (buf != NULL)
19 memset(buf, 'x', count);
20 return true;
21 }
22
23 /* Verifies that the stream passed to callback matches the byte array pointed to by arg. */
callback_check(pb_istream_t * stream,const pb_field_t * field,void ** arg)24 bool callback_check(pb_istream_t *stream, const pb_field_t *field, void **arg)
25 {
26 int i;
27 uint8_t byte;
28 pb_bytes_array_t *ref = (pb_bytes_array_t*) *arg;
29
30 for (i = 0; i < ref->size; i++)
31 {
32 if (!pb_read(stream, &byte, 1))
33 return false;
34
35 if (byte != ref->bytes[i])
36 return false;
37 }
38
39 return true;
40 }
41
main()42 int main()
43 {
44 int status = 0;
45
46 {
47 uint8_t buffer1[] = "foobartest1234";
48 uint8_t buffer2[sizeof(buffer1)];
49 pb_istream_t stream = pb_istream_from_buffer(buffer1, sizeof(buffer1));
50
51 COMMENT("Test pb_read and pb_istream_t");
52 TEST(pb_read(&stream, buffer2, 6))
53 TEST(memcmp(buffer2, "foobar", 6) == 0)
54 TEST(stream.bytes_left == sizeof(buffer1) - 6)
55 TEST(pb_read(&stream, buffer2 + 6, stream.bytes_left))
56 TEST(memcmp(buffer1, buffer2, sizeof(buffer1)) == 0)
57 TEST(stream.bytes_left == 0)
58 TEST(!pb_read(&stream, buffer2, 1))
59 }
60
61 {
62 uint8_t buffer[20];
63 pb_istream_t stream = {&stream_callback, NULL, 20};
64
65 COMMENT("Test pb_read with custom callback");
66 TEST(pb_read(&stream, buffer, 5))
67 TEST(memcmp(buffer, "xxxxx", 5) == 0)
68 TEST(!pb_read(&stream, buffer, 50))
69 stream.state = (void*)1; /* Simulated error return from callback */
70 TEST(!pb_read(&stream, buffer, 5))
71 stream.state = NULL;
72 TEST(pb_read(&stream, buffer, 15))
73 }
74
75 {
76 pb_istream_t s;
77 uint64_t u;
78 int64_t i;
79
80 COMMENT("Test pb_decode_varint");
81 TEST((s = S("\x00"), pb_decode_varint(&s, &u) && u == 0));
82 TEST((s = S("\x01"), pb_decode_varint(&s, &u) && u == 1));
83 TEST((s = S("\xAC\x02"), pb_decode_varint(&s, &u) && u == 300));
84 TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint(&s, &u) && u == UINT32_MAX));
85 TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint(&s, (uint64_t*)&i) && i == UINT32_MAX));
86 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"),
87 pb_decode_varint(&s, (uint64_t*)&i) && i == -1));
88 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"),
89 pb_decode_varint(&s, &u) && u == UINT64_MAX));
90 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"),
91 !pb_decode_varint(&s, &u)));
92 }
93
94 {
95 pb_istream_t s;
96 uint32_t u;
97
98 COMMENT("Test pb_decode_varint32");
99 TEST((s = S("\x00"), pb_decode_varint32(&s, &u) && u == 0));
100 TEST((s = S("\x01"), pb_decode_varint32(&s, &u) && u == 1));
101 TEST((s = S("\xAC\x02"), pb_decode_varint32(&s, &u) && u == 300));
102 TEST((s = S("\xFF\xFF\xFF\xFF\x0F"), pb_decode_varint32(&s, &u) && u == UINT32_MAX));
103 TEST((s = S("\xFF\xFF\xFF\xFF\x8F\x00"), pb_decode_varint32(&s, &u) && u == UINT32_MAX));
104 TEST((s = S("\xFF\xFF\xFF\xFF\x10"), !pb_decode_varint32(&s, &u)));
105 TEST((s = S("\xFF\xFF\xFF\xFF\x40"), !pb_decode_varint32(&s, &u)));
106 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\x01"), !pb_decode_varint32(&s, &u)));
107 }
108
109 {
110 pb_istream_t s;
111 COMMENT("Test pb_skip_varint");
112 TEST((s = S("\x00""foobar"), pb_skip_varint(&s) && s.bytes_left == 6))
113 TEST((s = S("\xAC\x02""foobar"), pb_skip_varint(&s) && s.bytes_left == 6))
114 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01""foobar"),
115 pb_skip_varint(&s) && s.bytes_left == 6))
116 TEST((s = S("\xFF"), !pb_skip_varint(&s)))
117 }
118
119 {
120 pb_istream_t s;
121 COMMENT("Test pb_skip_string")
122 TEST((s = S("\x00""foobar"), pb_skip_string(&s) && s.bytes_left == 6))
123 TEST((s = S("\x04""testfoobar"), pb_skip_string(&s) && s.bytes_left == 6))
124 TEST((s = S("\x04"), !pb_skip_string(&s)))
125 TEST((s = S("\xFF"), !pb_skip_string(&s)))
126 }
127
128 {
129 pb_istream_t s = S("\x01\x00");
130 pb_field_t f = {1, PB_LTYPE_VARINT, 0, 0, 4, 0, 0};
131 uint32_t d;
132 COMMENT("Test pb_dec_varint using uint32_t")
133 TEST(pb_dec_varint(&s, &f, &d) && d == 1)
134
135 /* Verify that no more than data_size is written. */
136 d = 0xFFFFFFFF;
137 f.data_size = 1;
138 TEST(pb_dec_varint(&s, &f, &d) && (d == 0xFFFFFF00 || d == 0x00FFFFFF))
139 }
140
141 {
142 pb_istream_t s;
143 pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0};
144 int32_t d;
145
146 COMMENT("Test pb_dec_svarint using int32_t")
147 TEST((s = S("\x01"), pb_dec_svarint(&s, &f, &d) && d == -1))
148 TEST((s = S("\x02"), pb_dec_svarint(&s, &f, &d) && d == 1))
149 TEST((s = S("\xfe\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d) && d == INT32_MAX))
150 TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d) && d == INT32_MIN))
151 }
152
153 {
154 pb_istream_t s;
155 pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 8, 0, 0};
156 int64_t d;
157
158 COMMENT("Test pb_dec_svarint using int64_t")
159 TEST((s = S("\x01"), pb_dec_svarint(&s, &f, &d) && d == -1))
160 TEST((s = S("\x02"), pb_dec_svarint(&s, &f, &d) && d == 1))
161 TEST((s = S("\xFE\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), pb_dec_svarint(&s, &f, &d) && d == INT64_MAX))
162 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), pb_dec_svarint(&s, &f, &d) && d == INT64_MIN))
163 }
164
165 {
166 pb_istream_t s;
167 pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0};
168 int32_t d;
169
170 COMMENT("Test pb_dec_svarint overflow detection using int32_t");
171 TEST((s = S("\xfe\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d)));
172 TEST((s = S("\xfe\xff\xff\xff\x10"), !pb_dec_svarint(&s, &f, &d)));
173 TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_svarint(&s, &f, &d)));
174 TEST((s = S("\xff\xff\xff\xff\x10"), !pb_dec_svarint(&s, &f, &d)));
175 }
176
177 {
178 pb_istream_t s;
179 pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0};
180 uint32_t d;
181
182 COMMENT("Test pb_dec_uvarint using uint32_t")
183 TEST((s = S("\x01"), pb_dec_uvarint(&s, &f, &d) && d == 1))
184 TEST((s = S("\x02"), pb_dec_uvarint(&s, &f, &d) && d == 2))
185 TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_uvarint(&s, &f, &d) && d == UINT32_MAX))
186 }
187
188 {
189 pb_istream_t s;
190 pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 8, 0, 0};
191 uint64_t d;
192
193 COMMENT("Test pb_dec_uvarint using uint64_t")
194 TEST((s = S("\x01"), pb_dec_uvarint(&s, &f, &d) && d == 1))
195 TEST((s = S("\x02"), pb_dec_uvarint(&s, &f, &d) && d == 2))
196 TEST((s = S("\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"), pb_dec_uvarint(&s, &f, &d) && d == UINT64_MAX))
197 }
198
199 {
200 pb_istream_t s;
201 pb_field_t f = {1, PB_LTYPE_SVARINT, 0, 0, 4, 0, 0};
202 uint32_t d;
203
204 COMMENT("Test pb_dec_uvarint overflow detection using int32_t");
205 TEST((s = S("\xff\xff\xff\xff\x0f"), pb_dec_uvarint(&s, &f, &d)));
206 TEST((s = S("\xff\xff\xff\xff\x10"), !pb_dec_uvarint(&s, &f, &d)));
207 }
208
209 {
210 pb_istream_t s;
211 pb_field_t f = {1, PB_LTYPE_FIXED32, 0, 0, 4, 0, 0};
212 float d;
213
214 COMMENT("Test pb_dec_fixed32 using float (failures here may be caused by imperfect rounding)")
215 TEST((s = S("\x00\x00\x00\x00"), pb_dec_fixed32(&s, &f, &d) && d == 0.0f))
216 TEST((s = S("\x00\x00\xc6\x42"), pb_dec_fixed32(&s, &f, &d) && d == 99.0f))
217 TEST((s = S("\x4e\x61\x3c\xcb"), pb_dec_fixed32(&s, &f, &d) && d == -12345678.0f))
218 TEST((s = S("\x00"), !pb_dec_fixed32(&s, &f, &d) && d == -12345678.0f))
219 }
220
221 {
222 pb_istream_t s;
223 pb_field_t f = {1, PB_LTYPE_FIXED64, 0, 0, 8, 0, 0};
224 double d;
225
226 COMMENT("Test pb_dec_fixed64 using double (failures here may be caused by imperfect rounding)")
227 TEST((s = S("\x00\x00\x00\x00\x00\x00\x00\x00"), pb_dec_fixed64(&s, &f, &d) && d == 0.0))
228 TEST((s = S("\x00\x00\x00\x00\x00\xc0\x58\x40"), pb_dec_fixed64(&s, &f, &d) && d == 99.0))
229 TEST((s = S("\x00\x00\x00\xc0\x29\x8c\x67\xc1"), pb_dec_fixed64(&s, &f, &d) && d == -12345678.0f))
230 }
231
232 {
233 pb_istream_t s;
234 struct { pb_size_t size; uint8_t bytes[5]; } d;
235 pb_field_t f = {1, PB_LTYPE_BYTES, 0, 0, sizeof(d), 0, 0};
236
237 COMMENT("Test pb_dec_bytes")
238 TEST((s = S("\x00"), pb_dec_bytes(&s, &f, &d) && d.size == 0))
239 TEST((s = S("\x01\xFF"), pb_dec_bytes(&s, &f, &d) && d.size == 1 && d.bytes[0] == 0xFF))
240 TEST((s = S("\x05xxxxx"), pb_dec_bytes(&s, &f, &d) && d.size == 5))
241 TEST((s = S("\x05xxxx"), !pb_dec_bytes(&s, &f, &d)))
242
243 /* Note: the size limit on bytes-fields is not strictly obeyed, as
244 * the compiler may add some padding to the struct. Using this padding
245 * is not a very good thing to do, but it is difficult to avoid when
246 * we use only a single uint8_t to store the size of the field.
247 * Therefore this tests against a 10-byte string, while otherwise even
248 * 6 bytes should error out.
249 */
250 TEST((s = S("\x10xxxxxxxxxx"), !pb_dec_bytes(&s, &f, &d)))
251 }
252
253 {
254 pb_istream_t s;
255 pb_field_t f = {1, PB_LTYPE_STRING, 0, 0, 5, 0, 0};
256 char d[5];
257
258 COMMENT("Test pb_dec_string")
259 TEST((s = S("\x00"), pb_dec_string(&s, &f, &d) && d[0] == '\0'))
260 TEST((s = S("\x04xyzz"), pb_dec_string(&s, &f, &d) && strcmp(d, "xyzz") == 0))
261 TEST((s = S("\x05xyzzy"), !pb_dec_string(&s, &f, &d)))
262 }
263
264 {
265 pb_istream_t s;
266 IntegerArray dest;
267
268 COMMENT("Testing pb_decode with repeated int32 field")
269 TEST((s = S(""), pb_decode(&s, IntegerArray_fields, &dest) && dest.data_count == 0))
270 TEST((s = S("\x08\x01\x08\x02"), pb_decode(&s, IntegerArray_fields, &dest)
271 && dest.data_count == 2 && dest.data[0] == 1 && dest.data[1] == 2))
272 s = S("\x08\x01\x08\x02\x08\x03\x08\x04\x08\x05\x08\x06\x08\x07\x08\x08\x08\x09\x08\x0A");
273 TEST(pb_decode(&s, IntegerArray_fields, &dest) && dest.data_count == 10 && dest.data[9] == 10)
274 s = S("\x08\x01\x08\x02\x08\x03\x08\x04\x08\x05\x08\x06\x08\x07\x08\x08\x08\x09\x08\x0A\x08\x0B");
275 TEST(!pb_decode(&s, IntegerArray_fields, &dest))
276 }
277
278 {
279 pb_istream_t s;
280 IntegerArray dest;
281
282 COMMENT("Testing pb_decode with packed int32 field")
283 TEST((s = S("\x0A\x00"), pb_decode(&s, IntegerArray_fields, &dest)
284 && dest.data_count == 0))
285 TEST((s = S("\x0A\x01\x01"), pb_decode(&s, IntegerArray_fields, &dest)
286 && dest.data_count == 1 && dest.data[0] == 1))
287 TEST((s = S("\x0A\x0A\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A"), pb_decode(&s, IntegerArray_fields, &dest)
288 && dest.data_count == 10 && dest.data[0] == 1 && dest.data[9] == 10))
289 TEST((s = S("\x0A\x0B\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B"), !pb_decode(&s, IntegerArray_fields, &dest)))
290
291 /* Test invalid wire data */
292 TEST((s = S("\x0A\xFF"), !pb_decode(&s, IntegerArray_fields, &dest)))
293 TEST((s = S("\x0A\x01"), !pb_decode(&s, IntegerArray_fields, &dest)))
294 }
295
296 {
297 pb_istream_t s;
298 IntegerArray dest;
299
300 COMMENT("Testing pb_decode with unknown fields")
301 TEST((s = S("\x18\x0F\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest)
302 && dest.data_count == 1 && dest.data[0] == 1))
303 TEST((s = S("\x19\x00\x00\x00\x00\x00\x00\x00\x00\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest)
304 && dest.data_count == 1 && dest.data[0] == 1))
305 TEST((s = S("\x1A\x00\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest)
306 && dest.data_count == 1 && dest.data[0] == 1))
307 TEST((s = S("\x1B\x08\x01"), !pb_decode(&s, IntegerArray_fields, &dest)))
308 TEST((s = S("\x1D\x00\x00\x00\x00\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest)
309 && dest.data_count == 1 && dest.data[0] == 1))
310 }
311
312 {
313 pb_istream_t s;
314 CallbackArray dest;
315 struct { pb_size_t size; uint8_t bytes[10]; } ref;
316 dest.data.funcs.decode = &callback_check;
317 dest.data.arg = &ref;
318
319 COMMENT("Testing pb_decode with callbacks")
320 /* Single varint */
321 ref.size = 1; ref.bytes[0] = 0x55;
322 TEST((s = S("\x08\x55"), pb_decode(&s, CallbackArray_fields, &dest)))
323 /* Packed varint */
324 ref.size = 3; ref.bytes[0] = ref.bytes[1] = ref.bytes[2] = 0x55;
325 TEST((s = S("\x0A\x03\x55\x55\x55"), pb_decode(&s, CallbackArray_fields, &dest)))
326 /* Packed varint with loop */
327 ref.size = 1; ref.bytes[0] = 0x55;
328 TEST((s = S("\x0A\x03\x55\x55\x55"), pb_decode(&s, CallbackArray_fields, &dest)))
329 /* Single fixed32 */
330 ref.size = 4; ref.bytes[0] = ref.bytes[1] = ref.bytes[2] = ref.bytes[3] = 0xAA;
331 TEST((s = S("\x0D\xAA\xAA\xAA\xAA"), pb_decode(&s, CallbackArray_fields, &dest)))
332 /* Single fixed64 */
333 ref.size = 8; memset(ref.bytes, 0xAA, 8);
334 TEST((s = S("\x09\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA"), pb_decode(&s, CallbackArray_fields, &dest)))
335 /* Unsupported field type */
336 TEST((s = S("\x0B\x00"), !pb_decode(&s, CallbackArray_fields, &dest)))
337
338 /* Just make sure that our test function works */
339 ref.size = 1; ref.bytes[0] = 0x56;
340 TEST((s = S("\x08\x55"), !pb_decode(&s, CallbackArray_fields, &dest)))
341 }
342
343 {
344 pb_istream_t s;
345 IntegerArray dest;
346
347 COMMENT("Testing pb_decode message termination")
348 TEST((s = S(""), pb_decode(&s, IntegerArray_fields, &dest)))
349 TEST((s = S("\x00"), pb_decode(&s, IntegerArray_fields, &dest)))
350 TEST((s = S("\x08\x01"), pb_decode(&s, IntegerArray_fields, &dest)))
351 TEST((s = S("\x08\x01\x00"), pb_decode(&s, IntegerArray_fields, &dest)))
352 TEST((s = S("\x08"), !pb_decode(&s, IntegerArray_fields, &dest)))
353 }
354
355 {
356 pb_istream_t s;
357 IntegerArray dest;
358
359 COMMENT("Testing pb_decode with invalid tag numbers")
360 TEST((s = S("\x9f\xea"), !pb_decode(&s, IntegerArray_fields, &dest)));
361 }
362
363 {
364 pb_istream_t s;
365 IntegerContainer dest = {{0}};
366
367 COMMENT("Testing pb_decode_delimited")
368 TEST((s = S("\x09\x0A\x07\x0A\x05\x01\x02\x03\x04\x05"),
369 pb_decode_delimited(&s, IntegerContainer_fields, &dest)) &&
370 dest.submsg.data_count == 5)
371 }
372
373 {
374 pb_istream_t s = {0};
375 void *data = NULL;
376
377 COMMENT("Testing allocate_field")
378 TEST(allocate_field(&s, &data, 10, 10) && data != NULL);
379 TEST(allocate_field(&s, &data, 10, 20) && data != NULL);
380
381 {
382 void *oldvalue = data;
383 size_t very_big = (size_t)-1;
384 size_t somewhat_big = very_big / 2 + 1;
385 size_t not_so_big = (size_t)1 << (4 * sizeof(size_t));
386
387 TEST(!allocate_field(&s, &data, very_big, 2) && data == oldvalue);
388 TEST(!allocate_field(&s, &data, somewhat_big, 2) && data == oldvalue);
389 TEST(!allocate_field(&s, &data, not_so_big, not_so_big) && data == oldvalue);
390 }
391
392 pb_free(data);
393 }
394
395 if (status != 0)
396 fprintf(stdout, "\n\nSome tests FAILED!\n");
397
398 return status;
399 }
400