1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
#include <stdio.h>
#include <string.h>
#include "pb_encode.h"
#include "unittests.h"
#include "unittestproto.pb.h"
bool streamcallback(pb_ostream_t *stream, const uint8_t *buf, size_t count)
{
/* Allow only 'x' to be written */
while (count--)
{
if (*buf++ != 'x')
return false;
}
return true;
}
bool fieldcallback(pb_ostream_t *stream, const pb_field_t *field, const void *arg)
{
int value = 0x55;
if (!pb_encode_tag_for_field(stream, field))
return false;
return pb_encode_varint(stream, value);
}
bool crazyfieldcallback(pb_ostream_t *stream, const pb_field_t *field, const void *arg)
{
/* This callback writes different amount of data the second time. */
uint32_t *state = (uint32_t*)arg;
*state <<= 8;
if (!pb_encode_tag_for_field(stream, field))
return false;
return pb_encode_varint(stream, *state);
}
/* Check that expression x writes data y.
* Y is a string, which may contain null bytes. Null terminator is ignored.
*/
#define WRITES(x, y) \
memset(buffer, 0xAA, sizeof(buffer)), \
s = pb_ostream_from_buffer(buffer, sizeof(buffer)), \
(x) && \
memcmp(buffer, y, sizeof(y) - 1) == 0 && \
buffer[sizeof(y) - 1] == 0xAA
int main()
{
int status = 0;
{
uint8_t buffer1[] = "foobartest1234";
uint8_t buffer2[sizeof(buffer1)];
pb_ostream_t stream = pb_ostream_from_buffer(buffer2, sizeof(buffer1));
COMMENT("Test pb_write and pb_ostream_t");
TEST(pb_write(&stream, buffer1, sizeof(buffer1)));
TEST(memcmp(buffer1, buffer2, sizeof(buffer1)) == 0);
TEST(!pb_write(&stream, buffer1, 1));
TEST(stream.bytes_written == sizeof(buffer1));
}
{
uint8_t buffer1[] = "xxxxxxx";
pb_ostream_t stream = {&streamcallback, 0, SIZE_MAX, 0};
COMMENT("Test pb_write with custom callback");
TEST(pb_write(&stream, buffer1, 5));
buffer1[0] = 'a';
TEST(!pb_write(&stream, buffer1, 5));
}
{
uint8_t buffer[30];
pb_ostream_t s;
COMMENT("Test pb_encode_varint")
TEST(WRITES(pb_encode_varint(&s, 0), "\0"));
TEST(WRITES(pb_encode_varint(&s, 1), "\1"));
TEST(WRITES(pb_encode_varint(&s, 0x7F), "\x7F"));
TEST(WRITES(pb_encode_varint(&s, 0x80), "\x80\x01"));
TEST(WRITES(pb_encode_varint(&s, UINT32_MAX), "\xFF\xFF\xFF\xFF\x0F"));
TEST(WRITES(pb_encode_varint(&s, UINT64_MAX), "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"));
}
{
uint8_t buffer[30];
pb_ostream_t s;
COMMENT("Test pb_encode_tag")
TEST(WRITES(pb_encode_tag(&s, PB_WT_STRING, 5), "\x2A"));
TEST(WRITES(pb_encode_tag(&s, PB_WT_VARINT, 99), "\x98\x06"));
}
{
uint8_t buffer[30];
pb_ostream_t s;
pb_field_t field = {10, PB_LTYPE_SVARINT};
COMMENT("Test pb_encode_tag_for_field")
TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x50"));
field.type = PB_LTYPE_FIXED;
field.data_size = 8;
TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x51"));
field.type = PB_LTYPE_STRING;
TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x52"));
field.type = PB_LTYPE_FIXED;
field.data_size = 4;
TEST(WRITES(pb_encode_tag_for_field(&s, &field), "\x55"));
}
{
uint8_t buffer[30];
pb_ostream_t s;
COMMENT("Test pb_encode_string")
TEST(WRITES(pb_encode_string(&s, (const uint8_t*)"abcd", 4), "\x04""abcd"));
TEST(WRITES(pb_encode_string(&s, (const uint8_t*)"abcd\x00", 5), "\x05""abcd\x00"));
TEST(WRITES(pb_encode_string(&s, (const uint8_t*)"", 0), "\x00"));
}
{
uint8_t buffer[30];
pb_ostream_t s;
uint8_t value = 1;
int8_t svalue = -1;
int32_t max = INT32_MAX;
int32_t min = INT32_MIN;
int64_t lmax = INT64_MAX;
int64_t lmin = INT64_MIN;
pb_field_t field = {1, PB_LTYPE_VARINT, 0, 0, sizeof(value)};
COMMENT("Test pb_enc_varint and pb_enc_svarint")
TEST(WRITES(pb_enc_varint(&s, &field, &value), "\x01"));
TEST(WRITES(pb_enc_svarint(&s, &field, &svalue), "\x01"));
TEST(WRITES(pb_enc_svarint(&s, &field, &value), "\x02"));
field.data_size = sizeof(max);
TEST(WRITES(pb_enc_svarint(&s, &field, &max), "\xfe\xff\xff\xff\x0f"));
TEST(WRITES(pb_enc_svarint(&s, &field, &min), "\xff\xff\xff\xff\x0f"));
field.data_size = sizeof(lmax);
TEST(WRITES(pb_enc_svarint(&s, &field, &lmax), "\xFE\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"));
TEST(WRITES(pb_enc_svarint(&s, &field, &lmin), "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x01"));
}
{
uint8_t buffer[30];
pb_ostream_t s;
pb_field_t field = {1, PB_LTYPE_FIXED, 0, 0, sizeof(float)};
float fvalue;
double dvalue;
COMMENT("Test pb_enc_fixed using float")
fvalue = 0.0f;
TEST(WRITES(pb_enc_fixed(&s, &field, &fvalue), "\x00\x00\x00\x00"))
fvalue = 99.0f;
TEST(WRITES(pb_enc_fixed(&s, &field, &fvalue), "\x00\x00\xc6\x42"))
fvalue = -12345678.0f;
TEST(WRITES(pb_enc_fixed(&s, &field, &fvalue), "\x4e\x61\x3c\xcb"))
COMMENT("Test pb_enc_fixed using double")
field.data_size = sizeof(double);
dvalue = 0.0;
TEST(WRITES(pb_enc_fixed(&s, &field, &dvalue), "\x00\x00\x00\x00\x00\x00\x00\x00"))
dvalue = 99.0;
TEST(WRITES(pb_enc_fixed(&s, &field, &dvalue), "\x00\x00\x00\x00\x00\xc0\x58\x40"))
dvalue = -12345678.0;
TEST(WRITES(pb_enc_fixed(&s, &field, &dvalue), "\x00\x00\x00\xc0\x29\x8c\x67\xc1"))
}
{
uint8_t buffer[30];
pb_ostream_t s;
struct { size_t size; uint8_t bytes[5]; } value = {5, {'x', 'y', 'z', 'z', 'y'}};
COMMENT("Test pb_enc_bytes")
TEST(WRITES(pb_enc_bytes(&s, NULL, &value), "\x05xyzzy"))
value.size = 0;
TEST(WRITES(pb_enc_bytes(&s, NULL, &value), "\x00"))
}
{
uint8_t buffer[30];
pb_ostream_t s;
char value[] = "xyzzy";
COMMENT("Test pb_enc_string")
TEST(WRITES(pb_enc_string(&s, NULL, &value), "\x05xyzzy"))
value[0] = '\0';
TEST(WRITES(pb_enc_string(&s, NULL, &value), "\x00"))
}
{
uint8_t buffer[10];
pb_ostream_t s;
IntegerArray msg = {5, {1, 2, 3, 4, 5}};
COMMENT("Test pb_encode with int32 array")
TEST(WRITES(pb_encode(&s, IntegerArray_fields, &msg), "\x0A\x05\x01\x02\x03\x04\x05"))
msg.data_count = 0;
TEST(WRITES(pb_encode(&s, IntegerArray_fields, &msg), ""))
msg.data_count = 10;
TEST(!pb_encode(&s, IntegerArray_fields, &msg))
}
{
uint8_t buffer[10];
pb_ostream_t s;
FloatArray msg = {1, {99.0f}};
COMMENT("Test pb_encode with float array")
TEST(WRITES(pb_encode(&s, FloatArray_fields, &msg),
"\x0A\x04\x00\x00\xc6\x42"))
msg.data_count = 0;
TEST(WRITES(pb_encode(&s, FloatArray_fields, &msg), ""))
msg.data_count = 3;
TEST(!pb_encode(&s, FloatArray_fields, &msg))
}
{
uint8_t buffer[10];
pb_ostream_t s;
CallbackArray msg;
msg.data.funcs.encode = &fieldcallback;
COMMENT("Test pb_encode with callback field.")
TEST(WRITES(pb_encode(&s, CallbackArray_fields, &msg), "\x08\x55"))
}
{
uint8_t buffer[10];
pb_ostream_t s;
IntegerContainer msg = {{5, {1,2,3,4,5}}};
COMMENT("Test pb_encode with packed array in a submessage.")
TEST(WRITES(pb_encode(&s, IntegerContainer_fields, &msg),
"\x0A\x07\x0A\x05\x01\x02\x03\x04\x05"))
}
{
uint8_t buffer[10];
pb_ostream_t s;
CallbackContainer msg;
CallbackContainerContainer msg2;
uint32_t state = 1;
msg.submsg.data.funcs.encode = &fieldcallback;
msg2.submsg.submsg.data.funcs.encode = &fieldcallback;
COMMENT("Test pb_encode with callback field in a submessage.")
TEST(WRITES(pb_encode(&s, CallbackContainer_fields, &msg), "\x0A\x02\x08\x55"))
TEST(WRITES(pb_encode(&s, CallbackContainerContainer_fields, &msg2),
"\x0A\x04\x0A\x02\x08\x55"))
/* Misbehaving callback */
msg.submsg.data.funcs.encode = &crazyfieldcallback;
msg.submsg.data.arg = &state;
msg2.submsg.submsg.data.funcs.encode = &crazyfieldcallback;
msg2.submsg.submsg.data.arg = &state;
TEST(!pb_encode(&s, CallbackContainer_fields, &msg))
state = 1;
TEST(!pb_encode(&s, CallbackContainerContainer_fields, &msg2))
}
if (status != 0)
fprintf(stdout, "\n\nSome tests FAILED!\n");
return status;
}
|
