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      1 #include "test.pb.h"
      2 #include <unittests.h>
      3 #include <pb_encode.h>
      4 #include <pb_decode.h>
      5 
      6 static bool write_array(pb_ostream_t *stream, const pb_field_t *field, void * const *arg)
      7 {
      8     int i;
      9     for (i = 0; i < 5; i++)
     10     {
     11         if (!pb_encode_tag_for_field(stream, field))
     12             return false;
     13         if (!pb_encode_varint(stream, 1000 + i))
     14             return false;
     15     }
     16 
     17     return true;
     18 }
     19 
     20 static bool read_array(pb_istream_t *stream, const pb_field_t *field, void **arg)
     21 {
     22     uint32_t i;
     23     int *sum = *arg;
     24 
     25     if (!pb_decode_varint32(stream, &i))
     26         return false;
     27 
     28     *sum += i;
     29 
     30     return true;
     31 }
     32 
     33 int main()
     34 {
     35     int status = 0;
     36     pb_byte_t buf[128] = {0};
     37     pb_size_t msglen;
     38 
     39     {
     40         MainMessage msg = MainMessage_init_zero;
     41         pb_ostream_t stream = pb_ostream_from_buffer(buf, sizeof(buf));
     42         msg.submsg.foo.funcs.encode = &write_array;
     43         TEST(pb_encode(&stream, MainMessage_fields, &msg));
     44         msglen = stream.bytes_written;
     45     }
     46 
     47     {
     48         MainMessage msg = MainMessage_init_zero;
     49         pb_istream_t stream = pb_istream_from_buffer(buf, msglen);
     50         int sum = 0;
     51         msg.submsg.foo.funcs.decode = &read_array;
     52         msg.submsg.foo.arg = &sum;
     53         TEST(pb_decode(&stream, MainMessage_fields, &msg));
     54         TEST(sum == 1000 + 1001 + 1002 + 1003 + 1004);
     55     }
     56 
     57     return status;
     58 }
     59 
     60