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/* Decode a message using oneof fields */
#include <stdio.h>
#include <stdlib.h>
#include <pb_decode.h>
#include "oneof.pb.h"
#include "test_helpers.h"
#include "unittests.h"
int main(int argc, char **argv)
{
uint8_t buffer[OneOfMessage_size];
OneOfMessage msg = OneOfMessage_init_zero;
pb_istream_t stream;
size_t count;
int option;
if (argc != 2)
{
fprintf(stderr, "Usage: encode_oneof [number]\n");
return 1;
}
option = atoi(argv[1]);
SET_BINARY_MODE(stdin);
count = fread(buffer, 1, sizeof(buffer), stdin);
if (!feof(stdin))
{
printf("Message does not fit in buffer\n");
return 1;
}
stream = pb_istream_from_buffer(buffer, count);
if (!pb_decode(&stream, OneOfMessage_fields, &msg))
{
printf("Decoding failed: %s\n", PB_GET_ERROR(&stream));
return 1;
}
{
int status = 0;
/* Check that the basic fields work normally */
TEST(msg.prefix == 123);
TEST(msg.suffix == 321);
/* Check that we got the right oneof according to command line */
if (option == 1)
{
TEST(msg.which_values == OneOfMessage_first_tag);
TEST(msg.values.first == 999);
}
else if (option == 2)
{
TEST(msg.which_values == OneOfMessage_second_tag);
TEST(strcmp(msg.values.second, "abcd") == 0);
}
else if (option == 3)
{
TEST(msg.which_values == OneOfMessage_third_tag);
TEST(msg.values.third.array[0] == 1);
TEST(msg.values.third.array[1] == 2);
TEST(msg.values.third.array[2] == 3);
TEST(msg.values.third.array[3] == 4);
TEST(msg.values.third.array[4] == 5);
}
return status;
}
}
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