text: /* Tests the decoding of all types.
   * This is the counterpart of test_encode3.
   * Run e.g. ./test_encode3 | ./test_decode3
   */
  
  #include <stdio.h>
  #include <string.h>
  #include <stdlib.h>
  #include <pb_decode.h>
  #include "alltypes.pb.h"
  #include "test_helpers.h"
  
  #define TEST(x) if (!(x)) { \
      printf("Test " #x " failed.\n"); \
      return false; \
      }
  
  /* This function is called once from main(), it handles
     the decoding and checks the fields. */
  bool check_alltypes(pb_istream_t *stream, int mode)
  {
      /* Uses _init_default to just make sure that it works. */
      AllTypes alltypes = AllTypes_init_default;
      
      /* Fill with garbage to better detect initialization errors */
      memset(&alltypes, 0xAA, sizeof(alltypes));
      alltypes.extensions = 0;
      
      if (!pb_decode(stream, AllTypes_fields, &alltypes))
          return false;
      
      if (mode == 0 || mode == 1)
      {
          TEST(alltypes.req_int32         == -1001);
          TEST(alltypes.req_int64         == -1002);
          TEST(alltypes.req_uint32        == 1003);
          TEST(alltypes.req_uint64        == 1004);
          TEST(alltypes.req_sint32        == -1005);
          TEST(alltypes.req_sint64        == -1006);
          TEST(alltypes.req_bool          == true);
          
          TEST(alltypes.req_fixed32       == 1008);
          TEST(alltypes.req_sfixed32      == -1009);
          TEST(alltypes.req_float         == 1010.0f);
          
          TEST(alltypes.req_fixed64       == 1011);
          TEST(alltypes.req_sfixed64      == -1012);
          TEST(alltypes.req_double        == 1013.0f);
          
          TEST(strcmp(alltypes.req_string, "1014") == 0);
          TEST(alltypes.req_bytes.size == 4);
          TEST(memcmp(alltypes.req_bytes.bytes, "1015", 4) == 0);
          TEST(strcmp(alltypes.req_submsg.substuff1, "1016") == 0);
          TEST(alltypes.req_submsg.substuff2 == 1016);
          TEST(alltypes.req_submsg.substuff3 == 3);
          TEST(alltypes.req_enum == MyEnum_Truth);
          TEST(memcmp(alltypes.req_fbytes, "1019", 4) == 0);
          
          TEST(alltypes.rep_int32_count == 5 && alltypes.rep_int32[4] == -2001 && alltypes.rep_int32[0] == 0);
          TEST(alltypes.rep_int64_count == 5 && alltypes.rep_int64[4] == -2002 && alltypes.rep_int64[0] == 0);
          TEST(alltypes.rep_uint32_count == 5 && alltypes.rep_uint32[4] == 2003 && alltypes.rep_uint32[0] == 0);
          TEST(alltypes.rep_uint64_count == 5 && alltypes.rep_uint64[4] == 2004 && alltypes.rep_uint64[0] == 0);
          TEST(alltypes.rep_sint32_count == 5 && alltypes.rep_sint32[4] == -2005 && alltypes.rep_sint32[0] == 0);
          TEST(alltypes.rep_sint64_count == 5 && alltypes.rep_sint64[4] == -2006 && alltypes.rep_sint64[0] == 0);
          TEST(alltypes.rep_bool_count == 5 && alltypes.rep_bool[4] == true && alltypes.rep_bool[0] == false);
          
          TEST(alltypes.rep_fixed32_count == 5 && alltypes.rep_fixed32[4] == 2008 && alltypes.rep_fixed32[0] == 0);
          TEST(alltypes.rep_sfixed32_count == 5 && alltypes.rep_sfixed32[4] == -2009 && alltypes.rep_sfixed32[0] == 0);
          TEST(alltypes.rep_float_count == 5 && alltypes.rep_float[4] == 2010.0f && alltypes.rep_float[0] == 0.0f);
          
          TEST(alltypes.rep_fixed64_count == 5 && alltypes.rep_fixed64[4] == 2011 && alltypes.rep_fixed64[0] == 0);
          TEST(alltypes.rep_sfixed64_count == 5 && alltypes.rep_sfixed64[4] == -2012 && alltypes.rep_sfixed64[0] == 0);
          TEST(alltypes.rep_double_count == 5 && alltypes.rep_double[4] == 2013.0 && alltypes.rep_double[0] == 0.0);
          
          TEST(alltypes.rep_string_count == 5 && strcmp(alltypes.rep_string[4], "2014") == 0 && alltypes.rep_string[0][0] == '\0');
          TEST(alltypes.rep_bytes_count == 5 && alltypes.rep_bytes[4].size == 4 && alltypes.rep_bytes[0].size == 0);
          TEST(memcmp(alltypes.rep_bytes[4].bytes, "2015", 4) == 0);
  
          TEST(alltypes.rep_submsg_count == 5);
          TEST(strcmp(alltypes.rep_submsg[4].substuff1, "2016") == 0 && alltypes.rep_submsg[0].substuff1[0] == '\0');
          TEST(alltypes.rep_submsg[4].substuff2 == 2016 && alltypes.rep_submsg[0].substuff2 == 0);
          TEST(alltypes.rep_submsg[4].substuff3 == 2016 && alltypes.rep_submsg[0].substuff3 == 3);
          
          TEST(alltypes.rep_enum_count == 5 && alltypes.rep_enum[4] == MyEnum_Truth && alltypes.rep_enum[0] == MyEnum_Zero);
          TEST(alltypes.rep_emptymsg_count == 5);
          TEST(alltypes.rep_fbytes_count == 5);
          TEST(alltypes.rep_fbytes[0][0] == 0 && alltypes.rep_fbytes[0][3] == 0);
          TEST(memcmp(alltypes.rep_fbytes[4], "2019", 4) == 0);
  
          TEST(alltypes.req_limits.int32_min  == INT32_MIN);
          TEST(alltypes.req_limits.int32_max  == INT32_MAX);
          TEST(alltypes.req_limits.uint32_min == 0);
          TEST(alltypes.req_limits.uint32_max == UINT32_MAX);
          TEST(alltypes.req_limits.int64_min  == INT64_MIN);
          TEST(alltypes.req_limits.int64_max  == INT64_MAX);
          TEST(alltypes.req_limits.uint64_min == 0);
          TEST(alltypes.req_limits.uint64_max == UINT64_MAX);
          TEST(alltypes.req_limits.enum_min   == HugeEnum_Negative);
          TEST(alltypes.req_limits.enum_max   == HugeEnum_Positive);
      }
      
      if (mode == 0)
      {
          /* Expect default values */
          TEST(alltypes.has_opt_int32     == false);
          TEST(alltypes.opt_int32         == 4041);
          TEST(alltypes.has_opt_int64     == false);
          TEST(alltypes.opt_int64         == 4042);
          TEST(alltypes.has_opt_uint32    == false);
          TEST(alltypes.opt_uint32        == 4043);
          TEST(alltypes.has_opt_uint64    == false);
          TEST(alltypes.opt_uint64        == 4044);
          TEST(alltypes.has_opt_sint32    == false);
          TEST(alltypes.opt_sint32        == 4045);
          TEST(alltypes.has_opt_sint64    == false);
          TEST(alltypes.opt_sint64        == 4046);
          TEST(alltypes.has_opt_bool      == false);
          TEST(alltypes.opt_bool          == false);
          
          TEST(alltypes.has_opt_fixed32   == false);
          TEST(alltypes.opt_fixed32       == 4048);
          TEST(alltypes.has_opt_sfixed32  == false);
          TEST(alltypes.opt_sfixed32      == 4049);
          TEST(alltypes.has_opt_float     == false);
          TEST(alltypes.opt_float         == 4050.0f);
          
          TEST(alltypes.has_opt_fixed64   == false);
          TEST(alltypes.opt_fixed64       == 4051);
          TEST(alltypes.has_opt_sfixed64  == false);
          TEST(alltypes.opt_sfixed64      == 4052);
          TEST(alltypes.has_opt_double    == false);
          TEST(alltypes.opt_double        == 4053.0);
          
          TEST(alltypes.has_opt_string    == false);
          TEST(strcmp(alltypes.opt_string, "4054") == 0);
          TEST(alltypes.has_opt_bytes     == false);
          TEST(alltypes.opt_bytes.size == 4);
          TEST(memcmp(alltypes.opt_bytes.bytes, "\x34\x5C\x00\xff", 4) == 0);
          TEST(alltypes.has_opt_submsg    == false);
          TEST(strcmp(alltypes.opt_submsg.substuff1, "1") == 0);
          TEST(alltypes.opt_submsg.substuff2 == 2);
          TEST(alltypes.opt_submsg.substuff3 == 3);
          TEST(alltypes.has_opt_enum     == false);
          TEST(alltypes.opt_enum == MyEnum_Second);
          TEST(alltypes.has_opt_emptymsg == false);
          TEST(alltypes.has_opt_fbytes == false);
          TEST(memcmp(alltypes.opt_fbytes, "4059", 4) == 0);
  
          TEST(alltypes.which_oneof == 0);
      }
      else if (mode == 1)
      {
          /* Expect filled-in values */
          TEST(alltypes.has_opt_int32     == true);
          TEST(alltypes.opt_int32         == 3041);
          TEST(alltypes.has_opt_int64     == true);
          TEST(alltypes.opt_int64         == 3042);
          TEST(alltypes.has_opt_uint32    == true);
          TEST(alltypes.opt_uint32        == 3043);
          TEST(alltypes.has_opt_uint64    == true);
          TEST(alltypes.opt_uint64        == 3044);
          TEST(alltypes.has_opt_sint32    == true);
          TEST(alltypes.opt_sint32        == 3045);
          TEST(alltypes.has_opt_sint64    == true);
          TEST(alltypes.opt_sint64        == 3046);
          TEST(alltypes.has_opt_bool      == true);
          TEST(alltypes.opt_bool          == true);
          
          TEST(alltypes.has_opt_fixed32   == true);
          TEST(alltypes.opt_fixed32       == 3048);
          TEST(alltypes.has_opt_sfixed32  == true);
          TEST(alltypes.opt_sfixed32      == 3049);
          TEST(alltypes.has_opt_float     == true);
          TEST(alltypes.opt_float         == 3050.0f);
          
          TEST(alltypes.has_opt_fixed64   == true);
          TEST(alltypes.opt_fixed64       == 3051);
          TEST(alltypes.has_opt_sfixed64  == true);
          TEST(alltypes.opt_sfixed64      == 3052);
          TEST(alltypes.has_opt_double    == true);
          TEST(alltypes.opt_double        == 3053.0);
          
          TEST(alltypes.has_opt_string    == true);
          TEST(strcmp(alltypes.opt_string, "3054") == 0);
          TEST(alltypes.has_opt_bytes     == true);
          TEST(alltypes.opt_bytes.size == 4);
          TEST(memcmp(alltypes.opt_bytes.bytes, "3055", 4) == 0);
          TEST(alltypes.has_opt_submsg    == true);
          TEST(strcmp(alltypes.opt_submsg.substuff1, "3056") == 0);
          TEST(alltypes.opt_submsg.substuff2 == 3056);
          TEST(alltypes.opt_submsg.substuff3 == 3);
          TEST(alltypes.has_opt_enum      == true);
          TEST(alltypes.opt_enum == MyEnum_Truth);
          TEST(alltypes.has_opt_emptymsg  == true);
          TEST(alltypes.has_opt_fbytes == true);
          TEST(memcmp(alltypes.opt_fbytes, "3059", 4) == 0);
  
          TEST(alltypes.which_oneof == AllTypes_oneof_msg1_tag);
          TEST(strcmp(alltypes.oneof.oneof_msg1.substuff1, "4059") == 0);
          TEST(alltypes.oneof.oneof_msg1.substuff2 == 4059);
      }
      else if (mode == 2)
      {
          /* Expect zero values */
          TEST(alltypes.req_int32         == 0);
          TEST(alltypes.req_int64         == 0);
          TEST(alltypes.req_uint32        == 0);
          TEST(alltypes.req_uint64        == 0);
          TEST(alltypes.req_sint32        == 0);
          TEST(alltypes.req_sint64        == 0);
          TEST(alltypes.req_bool          == false);
          
          TEST(alltypes.req_fixed32       == 0);
          TEST(alltypes.req_sfixed32      == 0);
          TEST(alltypes.req_float         == 0.0f);
          
          TEST(alltypes.req_fixed64       == 0);
          TEST(alltypes.req_sfixed64      == 0);
          TEST(alltypes.req_double        == 0.0f);
          
          TEST(strcmp(alltypes.req_string, "") == 0);
          TEST(alltypes.req_bytes.size == 0);
          TEST(strcmp(alltypes.req_submsg.substuff1, "") == 0);
          TEST(alltypes.req_submsg.substuff2 == 0);
          TEST(alltypes.req_enum == MyEnum_Zero);
          
          TEST(alltypes.rep_int32_count == 0);
          TEST(alltypes.rep_int64_count == 0);
          TEST(alltypes.rep_uint32_count == 0);
          TEST(alltypes.rep_uint64_count == 0);
          TEST(alltypes.rep_sint32_count == 0);
          TEST(alltypes.rep_sint64_count == 0);
          TEST(alltypes.rep_bool_count == 0);
          
          TEST(alltypes.rep_fixed32_count == 0);
          TEST(alltypes.rep_sfixed32_count == 0);
          TEST(alltypes.rep_float_count == 0);
          
          TEST(alltypes.rep_fixed64_count == 0);
          TEST(alltypes.rep_sfixed64_count == 0);
          TEST(alltypes.rep_double_count == 0);
          
          TEST(alltypes.rep_string_count == 0);
          TEST(alltypes.rep_bytes_count == 0);
  
          TEST(alltypes.rep_submsg_count == 0);
          
          TEST(alltypes.rep_enum_count == 0);
          TEST(alltypes.rep_emptymsg_count == 0);
          TEST(alltypes.rep_fbytes_count == 0);
      
          TEST(alltypes.has_opt_int32     == false);
          TEST(alltypes.has_opt_int64     == false);
          TEST(alltypes.has_opt_uint32    == false);
          TEST(alltypes.has_opt_uint64    == false);
          TEST(alltypes.has_opt_sint32    == false);
          TEST(alltypes.has_opt_sint64    == false);
          TEST(alltypes.has_opt_bool      == false);
          
          TEST(alltypes.has_opt_fixed32   == false);
          TEST(alltypes.has_opt_sfixed32  == false);
          TEST(alltypes.has_opt_float     == false);
          
          TEST(alltypes.has_opt_fixed64   == false);
          TEST(alltypes.has_opt_sfixed64  == false);
          TEST(alltypes.has_opt_double    == false);
          
          TEST(alltypes.has_opt_string    == false);
          TEST(alltypes.has_opt_bytes     == false);
          TEST(alltypes.has_opt_submsg    == false);
          TEST(alltypes.has_opt_enum      == false);
          TEST(alltypes.has_opt_emptymsg  == false);
          TEST(alltypes.has_opt_fbytes == false);
  
          TEST(alltypes.which_oneof == 0);
      }
      
      TEST(alltypes.end == 1099);
      
      return true;
  }
  
  int main(int argc, char **argv)
  {
      uint8_t buffer[1024];
      size_t count;
      pb_istream_t stream;
  
      /* Whether to expect the optional values or the default values. */
      int mode = (argc > 1) ? atoi(argv[1]) : 0;
      
      /* Read the data into buffer */
      SET_BINARY_MODE(stdin);
      count = fread(buffer, 1, sizeof(buffer), stdin);
      
      /* Construct a pb_istream_t for reading from the buffer */
      stream = pb_istream_from_buffer(buffer, count);
      
      /* Decode and print out the stuff */
      if (!check_alltypes(&stream, mode))
      {
          printf("Parsing failed: %s\n", PB_GET_ERROR(&stream));
          return 1;
      } else {
          return 0;
      }
  }
  