1/* Attempts to test all the datatypes supported by ProtoBuf when used as callback fields.
2 * Note that normally there would be no reason to use callback fields for this,
3 * because each encoder defined here only gives a single field.
4 */
5
6#include <stdio.h>
7#include <string.h>
8#include <stdlib.h>
9#include <pb_decode.h>
10#include "alltypes.pb.h"
11#include "test_helpers.h"
12
13#define TEST(x) if (!(x)) { \
14    printf("Test " #x " failed (in field %d).\n", field->tag); \
15    return false; \
16    }
17
18static bool read_varint(pb_istream_t *stream, const pb_field_t *field, void **arg)
19{
20    uint64_t value;
21    if (!pb_decode_varint(stream, &value))
22        return false;
23
24    TEST((int64_t)value == (long)*arg);
25    return true;
26}
27
28static bool read_svarint(pb_istream_t *stream, const pb_field_t *field, void **arg)
29{
30    int64_t value;
31    if (!pb_decode_svarint(stream, &value))
32        return false;
33
34    TEST(value == (long)*arg);
35    return true;
36}
37
38static bool read_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
39{
40    uint32_t value;
41    if (!pb_decode_fixed32(stream, &value))
42        return false;
43
44    TEST(value == *(uint32_t*)*arg);
45    return true;
46}
47
48static bool read_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
49{
50    uint64_t value;
51    if (!pb_decode_fixed64(stream, &value))
52        return false;
53
54    TEST(value == *(uint64_t*)*arg);
55    return true;
56}
57
58static bool read_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
59{
60    uint8_t buf[16] = {0};
61    size_t len = stream->bytes_left;
62
63    if (len > sizeof(buf) - 1 || !pb_read(stream, buf, len))
64        return false;
65
66    TEST(strcmp((char*)buf, *arg) == 0);
67    return true;
68}
69
70static bool read_submsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
71{
72    SubMessage submsg = {""};
73    SubMessage *ref = *arg;
74
75    if (!pb_decode(stream, SubMessage_fields, &submsg))
76        return false;
77
78    TEST(strcmp(submsg.substuff1, ref->substuff1) == 0);
79    TEST(submsg.substuff2 == ref->substuff2);
80    TEST(submsg.substuff3 == ref->substuff3);
81    return true;
82}
83
84static bool read_emptymsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
85{
86    EmptyMessage emptymsg = {0};
87    return pb_decode(stream, EmptyMessage_fields, &emptymsg);
88}
89
90static bool read_repeated_varint(pb_istream_t *stream, const pb_field_t *field, void **arg)
91{
92    int32_t** expected = (int32_t**)arg;
93    uint64_t value;
94    if (!pb_decode_varint(stream, &value))
95        return false;
96
97    TEST(*(*expected)++ == value);
98    return true;
99}
100
101static bool read_repeated_svarint(pb_istream_t *stream, const pb_field_t *field, void **arg)
102{
103    int32_t** expected = (int32_t**)arg;
104    int64_t value;
105    if (!pb_decode_svarint(stream, &value))
106        return false;
107
108    TEST(*(*expected)++ == value);
109    return true;
110}
111
112static bool read_repeated_fixed32(pb_istream_t *stream, const pb_field_t *field, void **arg)
113{
114    uint32_t** expected = (uint32_t**)arg;
115    uint32_t value;
116    if (!pb_decode_fixed32(stream, &value))
117        return false;
118
119    TEST(*(*expected)++ == value);
120    return true;
121}
122
123static bool read_repeated_fixed64(pb_istream_t *stream, const pb_field_t *field, void **arg)
124{
125    uint64_t** expected = (uint64_t**)arg;
126    uint64_t value;
127    if (!pb_decode_fixed64(stream, &value))
128        return false;
129
130    TEST(*(*expected)++ == value);
131    return true;
132}
133
134static bool read_repeated_string(pb_istream_t *stream, const pb_field_t *field, void **arg)
135{
136    uint8_t*** expected = (uint8_t***)arg;
137    uint8_t buf[16] = {0};
138    size_t len = stream->bytes_left;
139
140    if (len > sizeof(buf) - 1 || !pb_read(stream, buf, len))
141        return false;
142
143    TEST(strcmp((char*)*(*expected)++, (char*)buf) == 0);
144    return true;
145}
146
147static bool read_repeated_submsg(pb_istream_t *stream, const pb_field_t *field, void **arg)
148{
149    SubMessage** expected = (SubMessage**)arg;
150    SubMessage submsg = {""};
151    if (!pb_decode(stream, SubMessage_fields, &submsg))
152        return false;
153
154    TEST(strcmp(submsg.substuff1, (*expected)->substuff1) == 0);
155    TEST(submsg.substuff2 == (*expected)->substuff2);
156    TEST(submsg.substuff3 == (*expected)->substuff3);
157    (*expected)++;
158
159    return true;
160}
161
162static bool read_limits(pb_istream_t *stream, const pb_field_t *field, void **arg)
163{
164    Limits decoded = {0};
165    if (!pb_decode(stream, Limits_fields, &decoded))
166        return false;
167
168    TEST(decoded.int32_min  == INT32_MIN);
169    TEST(decoded.int32_max  == INT32_MAX);
170    TEST(decoded.uint32_min == 0);
171    TEST(decoded.uint32_max == UINT32_MAX);
172    TEST(decoded.int64_min  == INT64_MIN);
173    TEST(decoded.int64_max  == INT64_MAX);
174    TEST(decoded.uint64_min == 0);
175    TEST(decoded.uint64_max == UINT64_MAX);
176    TEST(decoded.enum_min   == HugeEnum_Negative);
177    TEST(decoded.enum_max   == HugeEnum_Positive);
178
179    return true;
180}
181
182/* This function is called once from main(), it handles
183   the decoding and checks the fields. */
184bool check_alltypes(pb_istream_t *stream, int mode)
185{
186    /* Values for use from callbacks through pointers. */
187    bool status;
188
189    int32_t     rep_int32[5]    = {0, 0, 0, 0, -2001};
190    int32_t     rep_int64[5]    = {0, 0, 0, 0, -2002};
191    int32_t     rep_uint32[5]   = {0, 0, 0, 0,  2003};
192    int32_t     rep_uint64[5]   = {0, 0, 0, 0,  2004};
193    int32_t     rep_sint32[5]   = {0, 0, 0, 0, -2005};
194    int32_t     rep_sint64[5]   = {0, 0, 0, 0, -2006};
195    int32_t     rep_bool[5]     = {false, false, false, false, true};
196    uint32_t    rep_fixed32[5]  = {0, 0, 0, 0,  2008};
197    int32_t     rep_sfixed32[5] = {0, 0, 0, 0, -2009};
198    float       rep_float[5]    = {0, 0, 0, 0,  2010.0f};
199    uint64_t    rep_fixed64[5]  = {0, 0, 0, 0,  2011};
200    int64_t     rep_sfixed64[5] = {0, 0, 0, 0, -2012};
201    double      rep_double[5]   = {0, 0, 0, 0,  2013.0};
202    char*       rep_string[5]   = {"", "", "", "", "2014"};
203    char*       rep_bytes[5]    = {"", "", "", "", "2015"};
204    SubMessage  rep_submsg[5]   = {{"", 0, 0},
205                                   {"", 0, 0},
206                                   {"", 0, 0},
207                                   {"", 0, 0},
208                                   {"2016", 2016, 2016}};
209    int32_t     rep_enum[5]     = {0, 0, 0, 0, MyEnum_Truth};
210
211    uint32_t    sng_fixed32     = 3048;
212    int32_t     sng_sfixed32    = 3049;
213    float       sng_float       = 3050.0f;
214    uint64_t    sng_fixed64     = 3051;
215    int64_t     sng_sfixed64    = 3052;
216    double      sng_double      = 3053.0f;
217    SubMessage  sng_submsg      = {"3056", 3056};
218
219    SubMessage  oneof_msg1      = {"4059", 4059};
220
221    AllTypes alltypes = AllTypes_init_zero;
222
223    /* Bind callbacks for repeated fields */
224    alltypes.rep_int32.funcs.decode = &read_repeated_varint;
225    alltypes.rep_int32.arg = rep_int32;
226
227    alltypes.rep_int64.funcs.decode = &read_repeated_varint;
228    alltypes.rep_int64.arg = rep_int64;
229
230    alltypes.rep_uint32.funcs.decode = &read_repeated_varint;
231    alltypes.rep_uint32.arg = rep_uint32;
232
233    alltypes.rep_uint64.funcs.decode = &read_repeated_varint;
234    alltypes.rep_uint64.arg = rep_uint64;
235
236    alltypes.rep_sint32.funcs.decode = &read_repeated_svarint;
237    alltypes.rep_sint32.arg = rep_sint32;
238
239    alltypes.rep_sint64.funcs.decode = &read_repeated_svarint;
240    alltypes.rep_sint64.arg = rep_sint64;
241
242    alltypes.rep_bool.funcs.decode = &read_repeated_varint;
243    alltypes.rep_bool.arg = rep_bool;
244
245    alltypes.rep_fixed32.funcs.decode = &read_repeated_fixed32;
246    alltypes.rep_fixed32.arg = rep_fixed32;
247
248    alltypes.rep_sfixed32.funcs.decode = &read_repeated_fixed32;
249    alltypes.rep_sfixed32.arg = rep_sfixed32;
250
251    alltypes.rep_float.funcs.decode = &read_repeated_fixed32;
252    alltypes.rep_float.arg = rep_float;
253
254    alltypes.rep_fixed64.funcs.decode = &read_repeated_fixed64;
255    alltypes.rep_fixed64.arg = rep_fixed64;
256
257    alltypes.rep_sfixed64.funcs.decode = &read_repeated_fixed64;
258    alltypes.rep_sfixed64.arg = rep_sfixed64;
259
260    alltypes.rep_double.funcs.decode = &read_repeated_fixed64;
261    alltypes.rep_double.arg = rep_double;
262
263    alltypes.rep_string.funcs.decode = &read_repeated_string;
264    alltypes.rep_string.arg = rep_string;
265
266    alltypes.rep_bytes.funcs.decode = &read_repeated_string;
267    alltypes.rep_bytes.arg = rep_bytes;
268
269    alltypes.rep_submsg.funcs.decode = &read_repeated_submsg;
270    alltypes.rep_submsg.arg = rep_submsg;
271
272    alltypes.rep_enum.funcs.decode = &read_repeated_varint;
273    alltypes.rep_enum.arg = rep_enum;
274
275    alltypes.rep_emptymsg.funcs.decode = &read_emptymsg;
276
277    alltypes.req_limits.funcs.decode = &read_limits;
278
279    alltypes.end.funcs.decode = &read_varint;
280    alltypes.end.arg = (void*)1099;
281
282    /* Bind callbacks for optional fields */
283    if (mode == 1)
284    {
285        alltypes.sng_int32.funcs.decode = &read_varint;
286        alltypes.sng_int32.arg = (void*)3041;
287
288        alltypes.sng_int64.funcs.decode = &read_varint;
289        alltypes.sng_int64.arg = (void*)3042;
290
291        alltypes.sng_uint32.funcs.decode = &read_varint;
292        alltypes.sng_uint32.arg = (void*)3043;
293
294        alltypes.sng_uint64.funcs.decode = &read_varint;
295        alltypes.sng_uint64.arg = (void*)3044;
296
297        alltypes.sng_sint32.funcs.decode = &read_svarint;
298        alltypes.sng_sint32.arg = (void*)3045;
299
300        alltypes.sng_sint64.funcs.decode = &read_svarint;
301        alltypes.sng_sint64.arg = (void*)3046;
302
303        alltypes.sng_bool.funcs.decode = &read_varint;
304        alltypes.sng_bool.arg = (void*)true;
305
306        alltypes.sng_fixed32.funcs.decode = &read_fixed32;
307        alltypes.sng_fixed32.arg = &sng_fixed32;
308
309        alltypes.sng_sfixed32.funcs.decode = &read_fixed32;
310        alltypes.sng_sfixed32.arg = &sng_sfixed32;
311
312        alltypes.sng_float.funcs.decode = &read_fixed32;
313        alltypes.sng_float.arg = &sng_float;
314
315        alltypes.sng_fixed64.funcs.decode = &read_fixed64;
316        alltypes.sng_fixed64.arg = &sng_fixed64;
317
318        alltypes.sng_sfixed64.funcs.decode = &read_fixed64;
319        alltypes.sng_sfixed64.arg = &sng_sfixed64;
320
321        alltypes.sng_double.funcs.decode = &read_fixed64;
322        alltypes.sng_double.arg = &sng_double;
323
324        alltypes.sng_string.funcs.decode = &read_string;
325        alltypes.sng_string.arg = "3054";
326
327        alltypes.sng_bytes.funcs.decode = &read_string;
328        alltypes.sng_bytes.arg = "3055";
329
330        alltypes.sng_submsg.funcs.decode = &read_submsg;
331        alltypes.sng_submsg.arg = &sng_submsg;
332
333        alltypes.sng_enum.funcs.decode = &read_varint;
334        alltypes.sng_enum.arg = (void*)MyEnum_Truth;
335
336        alltypes.sng_emptymsg.funcs.decode = &read_emptymsg;
337
338        alltypes.oneof_msg1.funcs.decode = &read_submsg;
339        alltypes.oneof_msg1.arg = &oneof_msg1;
340    }
341
342    status = pb_decode(stream, AllTypes_fields, &alltypes);
343
344#ifdef PB_ENABLE_MALLOC
345    /* Just to check for any interference between pb_release() and callback fields */
346    pb_release(AllTypes_fields, &alltypes);
347#endif
348
349    return status;
350}
351
352int main(int argc, char **argv)
353{
354    uint8_t buffer[1024];
355    size_t count;
356    pb_istream_t stream;
357
358    /* Whether to expect the optional values or the default values. */
359    int mode = (argc > 1) ? atoi(argv[1]) : 0;
360
361    /* Read the data into buffer */
362    SET_BINARY_MODE(stdin);
363    count = fread(buffer, 1, sizeof(buffer), stdin);
364
365    /* Construct a pb_istream_t for reading from the buffer */
366    stream = pb_istream_from_buffer(buffer, count);
367
368    /* Decode and print out the stuff */
369    if (!check_alltypes(&stream, mode))
370    {
371        printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
372        return 1;
373    } else {
374        return 0;
375    }
376}
377