text: #include <stdlib.h>
  #include <stdio.h>
  #include <string.h>
  #include "t/test-full.pb-c.h"
  #include "t/test-optimized.pb-c.h"
  #include "test-full-cxx-output.inc"
  
  #define TEST_ENUM_SMALL_TYPE_NAME   Foo__TestEnumSmall
  #define TEST_ENUM_SMALL(shortname)   FOO__TEST_ENUM_SMALL__##shortname
  #define TEST_ENUM_TYPE_NAME   Foo__TestEnum
  #include "common-test-arrays.h"
  #define N_ELEMENTS(arr)   (sizeof(arr)/sizeof((arr)[0]))
  
  /* ==== helper functions ==== */
  static protobuf_c_boolean
  are_bytes_equal (unsigned actual_len,
                   const uint8_t *actual_data,
                   unsigned expected_len,
                   const uint8_t *expected_data)
  {
    if (actual_len != expected_len)
      return 0;
    return memcmp (actual_data, expected_data, actual_len) == 0;
  }
  static void
  dump_bytes_stderr (size_t len, const uint8_t *data)
  {
    size_t i;
    for (i = 0; i < len; i++)
      fprintf(stderr," %02x", data[i]);
    fprintf(stderr,"\n");
  }
  static void
  test_versus_static_array(unsigned actual_len,
                           const uint8_t *actual_data,
                           unsigned expected_len,
                           const uint8_t *expected_data,
                           const char *static_buf_name,
                           const char *filename,
                           unsigned lineno)
  {
    if (are_bytes_equal (actual_len, actual_data, expected_len, expected_data))
      return;
  
    fprintf (stderr, "test_versus_static_array failed:\n"
                     "actual: [length=%u]\n", actual_len);
    dump_bytes_stderr (actual_len, actual_data);
    fprintf (stderr, "expected: [length=%u] [buffer %s]\n",
             expected_len, static_buf_name);
    dump_bytes_stderr (expected_len, expected_data);
    fprintf (stderr, "at line %u of %s.\n", lineno, filename);
    abort();
  }
  
  #define TEST_VERSUS_STATIC_ARRAY(actual_len, actual_data, buf) \
    test_versus_static_array(actual_len,actual_data, \
                             sizeof(buf), buf, #buf, __FILE__, __LINE__)
  
  /* rv is unpacked message */
  static void *
  test_compare_pack_methods (ProtobufCMessage *message,
                             size_t *packed_len_out,
                             uint8_t **packed_out)
  {
    unsigned char scratch[16];
    ProtobufCBufferSimple bs = PROTOBUF_C_BUFFER_SIMPLE_INIT (scratch);
    size_t siz1 = protobuf_c_message_get_packed_size (message);
    size_t siz2;
    size_t siz3 = protobuf_c_message_pack_to_buffer (message, &bs.base);
    void *packed1 = malloc (siz1);
    void *rv;
    assert (packed1 != NULL);
    assert (siz1 == siz3);
    siz2 = protobuf_c_message_pack (message, packed1);
    assert (siz1 == siz2);
    assert (bs.len == siz1);
    assert (memcmp (bs.data, packed1, siz1) == 0);
    rv = protobuf_c_message_unpack (message->descriptor, NULL, siz1, packed1);
    assert (rv != NULL);
    PROTOBUF_C_BUFFER_SIMPLE_CLEAR (&bs);
    *packed_len_out = siz1;
    *packed_out = packed1;
    return rv;
  }
  
  #define GENERIC_ASSIGN(dst,src)    ((dst) = (src))
  
  #define NUMERIC_EQUALS(a,b)   ((a) == (b))
  #define STRING_EQUALS(a,b)    (strcmp((a),(b))==0)
  
  #define CHECK_NONE(a)
  #define CHECK_NOT_NULL(a)    assert( (a) != NULL )
  
  static protobuf_c_boolean
  binary_data_equals (ProtobufCBinaryData a, ProtobufCBinaryData b)
  {
    if (a.len != b.len)
      return 0;
    if (a.len == 0 && b.len == 0)
      return 1;
    return memcmp (a.data, b.data, a.len) == 0;
  }
  
  static protobuf_c_boolean
  submesses_equals (Foo__SubMess *a, Foo__SubMess *b)
  {
    assert(a->base.descriptor == &foo__sub_mess__descriptor);
    assert(b->base.descriptor == &foo__sub_mess__descriptor);
    return a->test == b->test;
  }
  
  /* === the actual tests === */
  
  
  /* === misc fencepost tests === */
  static void test_enum_small (void)
  {
  
  #define DO_TEST(UC_VALUE) \
    do{ \
      Foo__TestMessRequiredEnumSmall small = FOO__TEST_MESS_REQUIRED_ENUM_SMALL__INIT; \
      size_t len; \
      uint8_t *data; \
      Foo__TestMessRequiredEnumSmall *unpacked; \
      small.test = FOO__TEST_ENUM_SMALL__##UC_VALUE; \
      unpacked = test_compare_pack_methods ((ProtobufCMessage*)&small, &len, &data); \
      assert (unpacked->test == FOO__TEST_ENUM_SMALL__##UC_VALUE); \
      foo__test_mess_required_enum_small__free_unpacked (unpacked, NULL); \
      TEST_VERSUS_STATIC_ARRAY (len, data, test_enum_small_##UC_VALUE); \
      free (data); \
    }while(0)
  
    assert (sizeof (Foo__TestEnumSmall) == 4);
  
    DO_TEST(NEG_VALUE);
    DO_TEST(VALUE);
    DO_TEST(OTHER_VALUE);
  
  #undef DO_TEST
  }
  
  static void test_enum_big (void)
  {
    Foo__TestMessRequiredEnum big = FOO__TEST_MESS_REQUIRED_ENUM__INIT;
    size_t len;
    uint8_t *data;
    Foo__TestMessRequiredEnum *unpacked;
  
    assert (sizeof (Foo__TestEnum) == 4);
  
  #define DO_ONE_TEST(shortname, numeric_value, encoded_len) \
    do{ \
      big.test = FOO__TEST_ENUM__##shortname; \
      unpacked = test_compare_pack_methods ((ProtobufCMessage*)&big, &len, &data); \
      assert (unpacked->test == FOO__TEST_ENUM__##shortname); \
      foo__test_mess_required_enum__free_unpacked (unpacked, NULL); \
      TEST_VERSUS_STATIC_ARRAY (len, data, test_enum_big_##shortname); \
      assert (encoded_len + 1 == len); \
      assert (big.test == numeric_value); \
      free (data); \
    }while(0)
  
    DO_ONE_TEST(VALUENEG123456, -123456, 10);
    DO_ONE_TEST(VALUENEG1, -1, 10);
    DO_ONE_TEST(VALUE0, 0, 1);
    DO_ONE_TEST(VALUE127, 127, 1);
    DO_ONE_TEST(VALUE128, 128, 2);
    DO_ONE_TEST(VALUE16383, 16383, 2);
    DO_ONE_TEST(VALUE16384, 16384, 3);
    DO_ONE_TEST(VALUE2097151, 2097151, 3);
    DO_ONE_TEST(VALUE2097152, 2097152, 4);
    DO_ONE_TEST(VALUE268435455, 268435455, 4);
    DO_ONE_TEST(VALUE268435456, 268435456, 5);
  
  #undef DO_ONE_TEST
  }
  static void test_field_numbers (void)
  {
    size_t len;
    uint8_t *data;
  
  #define DO_ONE_TEST(num, exp_len) \
    { \
      Foo__TestFieldNo##num t = FOO__TEST_FIELD_NO##num##__INIT; \
      Foo__TestFieldNo##num *t2; \
      t.test = "tst"; \
      t2 = test_compare_pack_methods ((ProtobufCMessage*)(&t), &len, &data); \
      assert (strcmp (t2->test, "tst") == 0); \
      TEST_VERSUS_STATIC_ARRAY (len, data, test_field_number_##num); \
      assert (len == exp_len); \
      free (data); \
      foo__test_field_no##num##__free_unpacked (t2, NULL); \
    }
    DO_ONE_TEST (15, 1 + 1 + 3);
    DO_ONE_TEST (16, 2 + 1 + 3);
    DO_ONE_TEST (2047, 2 + 1 + 3);
    DO_ONE_TEST (2048, 3 + 1 + 3);
    DO_ONE_TEST (262143, 3 + 1 + 3);
    DO_ONE_TEST (262144, 4 + 1 + 3);
    DO_ONE_TEST (33554431, 4 + 1 + 3);
    DO_ONE_TEST (33554432, 5 + 1 + 3);
  #undef DO_ONE_TEST
  }
  
  /* === Required type fields === */
  
  #define DO_TEST_REQUIRED(Type, TYPE, type, value, example_packed_data, equal_func) \
    do{ \
    Foo__TestMessRequired##Type opt = FOO__TEST_MESS_REQUIRED_##TYPE##__INIT; \
    Foo__TestMessRequired##Type *mess; \
    size_t len; uint8_t *data; \
    opt.test = value; \
    mess = test_compare_pack_methods (&opt.base, &len, &data); \
    TEST_VERSUS_STATIC_ARRAY (len, data, example_packed_data); \
    assert (equal_func (mess->test, value)); \
    foo__test_mess_required_##type##__free_unpacked (mess, NULL); \
    free (data); \
    }while(0)
  static void test_required_int32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Int32, INT32, int32, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(INT32_MIN, test_required_int32_min);
    DO_TEST(-1000, test_required_int32_m1000);
    DO_TEST(0, test_required_int32_0);
    DO_TEST(INT32_MAX, test_required_int32_max);
  #undef DO_TEST
  }
  
  static void test_required_sint32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(SInt32, SINT32, sint32, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(INT32_MIN, test_required_sint32_min);
    DO_TEST(-1000, test_required_sint32_m1000);
    DO_TEST(0, test_required_sint32_0);
    DO_TEST(INT32_MAX, test_required_sint32_max);
  #undef DO_TEST
  }
  
  static void test_required_sfixed32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(SFixed32, SFIXED32, sfixed32, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(INT32_MIN, test_required_sfixed32_min);
    DO_TEST(-1000, test_required_sfixed32_m1000);
    DO_TEST(0, test_required_sfixed32_0);
    DO_TEST(INT32_MAX, test_required_sfixed32_max);
  #undef DO_TEST
  }
  
  static void test_required_uint32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(UInt32, UINT32, uint32, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(0, test_required_uint32_0);
    DO_TEST(MILLION, test_required_uint32_million);
    DO_TEST(UINT32_MAX, test_required_uint32_max);
  #undef DO_TEST
  }
  
  static void test_required_fixed32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Fixed32, FIXED32, fixed32, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(0, test_required_fixed32_0);
    DO_TEST(MILLION, test_required_fixed32_million);
    DO_TEST(UINT32_MAX, test_required_fixed32_max);
  #undef DO_TEST
  }
  
  static void test_required_int64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Int64, INT64, int64, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(INT64_MIN, test_required_int64_min);
    DO_TEST(-TRILLION, test_required_int64_mtril);
    DO_TEST(0, test_required_int64_0);
    DO_TEST(QUADRILLION, test_required_int64_quad);
    DO_TEST(INT64_MAX, test_required_int64_max);
  #undef DO_TEST
  }
  
  static void test_required_sint64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(SInt64, SINT64, sint64, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(INT64_MIN, test_required_sint64_min);
    DO_TEST(-TRILLION, test_required_sint64_mtril);
    DO_TEST(0, test_required_sint64_0);
    DO_TEST(QUADRILLION, test_required_sint64_quad);
    DO_TEST(INT64_MAX, test_required_sint64_max);
  #undef DO_TEST
  }
  
  static void test_required_sfixed64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(SFixed64, SFIXED64, sfixed64, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(INT64_MIN, test_required_sfixed64_min);
    DO_TEST(-TRILLION, test_required_sfixed64_mtril);
    DO_TEST(0, test_required_sfixed64_0);
    DO_TEST(QUADRILLION, test_required_sfixed64_quad);
    DO_TEST(INT64_MAX, test_required_sfixed64_max);
  #undef DO_TEST
  }
  
  static void test_required_uint64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(UInt64, UINT64, uint64, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(0, test_required_uint64_0);
    DO_TEST(THOUSAND, test_required_uint64_thou);
    DO_TEST(MILLION, test_required_uint64_mill);
    DO_TEST(BILLION, test_required_uint64_bill);
    DO_TEST(BILLION*20, test_required_uint64_20_bill);
    DO_TEST(TRILLION, test_required_uint64_tril);
    DO_TEST(TRILLION*20, test_required_uint64_20_tril);
    DO_TEST(QUADRILLION, test_required_uint64_quad);
    DO_TEST(QUINTILLION, test_required_uint64_quint);
    DO_TEST(UINT64_MAX, test_required_uint64_max);
  #undef DO_TEST
  }
  
  static void test_required_fixed64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Fixed64, FIXED64, fixed64, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(0, test_required_fixed64_0);
    DO_TEST(THOUSAND, test_required_fixed64_thou);
    DO_TEST(MILLION, test_required_fixed64_mill);
    DO_TEST(BILLION, test_required_fixed64_bill);
    DO_TEST(TRILLION, test_required_fixed64_tril);
    DO_TEST(QUADRILLION, test_required_fixed64_quad);
    DO_TEST(QUINTILLION, test_required_fixed64_quint);
    DO_TEST(UINT64_MAX, test_required_fixed64_max);
  #undef DO_TEST
  }
  
  static void test_required_float (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Float, FLOAT, float, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(-THOUSAND, test_required_float_mthou);
    DO_TEST(0, test_required_float_0);
    DO_TEST(420, test_required_float_420);
  #undef DO_TEST
  }
  
  static void test_required_double (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Double, DOUBLE, double, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(-THOUSAND, test_required_double_mthou);
    DO_TEST(0, test_required_double_0);
    DO_TEST(420, test_required_double_420);
  #undef DO_TEST
  }
  
  static void test_required_bool (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Bool, BOOL, bool, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(0, test_required_bool_0);
    DO_TEST(1, test_required_bool_1);
  #undef DO_TEST
  }
  
  static void test_required_TestEnumSmall (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(EnumSmall, ENUM_SMALL, enum_small, value, example_packed_data, NUMERIC_EQUALS)
    DO_TEST(FOO__TEST_ENUM_SMALL__VALUE, test_required_enum_small_VALUE);
    DO_TEST(FOO__TEST_ENUM_SMALL__OTHER_VALUE, test_required_enum_small_OTHER_VALUE);
  #undef DO_TEST
  }
  
  static void test_required_TestEnum (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(Enum, ENUM, enum, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (FOO__TEST_ENUM__VALUENEG1, test_required_enum_neg1);
    DO_TEST (FOO__TEST_ENUM__VALUE0, test_required_enum_0);
    DO_TEST (FOO__TEST_ENUM__VALUE1, test_required_enum_1);
    DO_TEST (FOO__TEST_ENUM__VALUE127, test_required_enum_127);
    DO_TEST (FOO__TEST_ENUM__VALUE128, test_required_enum_128);
    DO_TEST (FOO__TEST_ENUM__VALUE16383, test_required_enum_16383);
    DO_TEST (FOO__TEST_ENUM__VALUE16384, test_required_enum_16384);
    DO_TEST (FOO__TEST_ENUM__VALUE2097151, test_required_enum_2097151);
    DO_TEST (FOO__TEST_ENUM__VALUE2097152, test_required_enum_2097152);
    DO_TEST (FOO__TEST_ENUM__VALUE268435455, test_required_enum_268435455);
    DO_TEST (FOO__TEST_ENUM__VALUE268435456, test_required_enum_268435456);
  
  #undef DO_TEST
  }
  
  static void test_required_string (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED(String, STRING, string, value, example_packed_data, STRING_EQUALS)
  
    DO_TEST("", test_required_string_empty);
    DO_TEST("hello", test_required_string_hello);
    DO_TEST("two hundred xs follow: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", test_required_string_long);
  
  #undef DO_TEST
  }
  
  static void test_required_bytes (void)
  {
    static ProtobufCBinaryData bd_empty = { 0, (uint8_t*)"" };
    static ProtobufCBinaryData bd_hello = { 5, (uint8_t*)"hello" };
    static ProtobufCBinaryData bd_random = { 5, (uint8_t*)"\1\0\375\2\4" };
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED (Bytes, BYTES, bytes, value, example_packed_data, binary_data_equals)
    DO_TEST (bd_empty, test_required_bytes_empty);
    DO_TEST (bd_hello, test_required_bytes_hello);
    DO_TEST (bd_random, test_required_bytes_random);
  #undef DO_TEST
  }
  
  static void test_required_SubMess (void)
  {
    Foo__SubMess submess = FOO__SUB_MESS__INIT;
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_REQUIRED (Message, MESSAGE, message, value, example_packed_data, submesses_equals)
    submess.test = 0;
    DO_TEST (&submess, test_required_submess_0);
    submess.test = 42;
    DO_TEST (&submess, test_required_submess_42);
  #undef DO_TEST
  }
  
  /* === Optional type fields === */
  static void test_empty_optional (void)
  {
    Foo__TestMessOptional mess = FOO__TEST_MESS_OPTIONAL__INIT;
    size_t len;
    uint8_t *data;
    Foo__TestMessOptional *mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (len == 0);
    free (data);
    foo__test_mess_optional__free_unpacked (mess2, NULL);
  }
  
  
  #define DO_TEST_OPTIONAL(base_member, value, example_packed_data, equal_func) \
    do{ \
    Foo__TestMessOptional opt = FOO__TEST_MESS_OPTIONAL__INIT; \
    Foo__TestMessOptional *mess; \
    size_t len; uint8_t *data; \
    opt.has_##base_member = 1; \
    opt.base_member = value; \
    mess = test_compare_pack_methods (&opt.base, &len, &data); \
    TEST_VERSUS_STATIC_ARRAY (len, data, example_packed_data); \
    assert (mess->has_##base_member); \
    assert (equal_func (mess->base_member, value)); \
    foo__test_mess_optional__free_unpacked (mess, NULL); \
    free (data); \
    }while(0)
  
  static void test_optional_int32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_int32, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (INT32_MIN, test_optional_int32_min);
    DO_TEST (-1, test_optional_int32_m1);
    DO_TEST (0, test_optional_int32_0);
    DO_TEST (666, test_optional_int32_666);
    DO_TEST (INT32_MAX, test_optional_int32_max);
  
  #undef DO_TEST
  }
  
  static void test_optional_sint32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_sint32, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (INT32_MIN, test_optional_sint32_min);
    DO_TEST (-1, test_optional_sint32_m1);
    DO_TEST (0, test_optional_sint32_0);
    DO_TEST (666, test_optional_sint32_666);
    DO_TEST (INT32_MAX, test_optional_sint32_max);
  
  #undef DO_TEST
  }
  static void test_optional_sfixed32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_sfixed32, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (INT32_MIN, test_optional_sfixed32_min);
    DO_TEST (-1, test_optional_sfixed32_m1);
    DO_TEST (0, test_optional_sfixed32_0);
    DO_TEST (666, test_optional_sfixed32_666);
    DO_TEST (INT32_MAX, test_optional_sfixed32_max);
  
  #undef DO_TEST
  }
  static void test_optional_int64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_int64, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (INT64_MIN, test_optional_int64_min);
    DO_TEST (-1111111111LL, test_optional_int64_m1111111111LL);
    DO_TEST (0, test_optional_int64_0);
    DO_TEST (QUINTILLION, test_optional_int64_quintillion);
    DO_TEST (INT64_MAX, test_optional_int64_max);
  
  #undef DO_TEST
  }
  static void test_optional_sint64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_sint64, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (INT64_MIN, test_optional_sint64_min);
    DO_TEST (-1111111111LL, test_optional_sint64_m1111111111LL);
    DO_TEST (0, test_optional_sint64_0);
    DO_TEST (QUINTILLION, test_optional_sint64_quintillion);
    DO_TEST (INT64_MAX, test_optional_sint64_max);
  
  #undef DO_TEST
  }
  static void test_optional_sfixed64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_sfixed64, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (INT64_MIN, test_optional_sfixed64_min);
    DO_TEST (-1111111111LL, test_optional_sfixed64_m1111111111LL);
    DO_TEST (0, test_optional_sfixed64_0);
    DO_TEST (QUINTILLION, test_optional_sfixed64_quintillion);
    DO_TEST (INT64_MAX, test_optional_sfixed64_max);
  
  #undef DO_TEST
  }
  
  static void test_optional_uint32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_uint32, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_uint32_0);
    DO_TEST (669, test_optional_uint32_669);
    DO_TEST (UINT32_MAX, test_optional_uint32_max);
  
  #undef DO_TEST
  }
  
  static void test_optional_fixed32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_fixed32, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_fixed32_0);
    DO_TEST (669, test_optional_fixed32_669);
    DO_TEST (UINT32_MAX, test_optional_fixed32_max);
  
  #undef DO_TEST
  }
  
  static void test_optional_uint64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_uint64, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_uint64_0);
    DO_TEST (669669669669669ULL, test_optional_uint64_669669669669669);
    DO_TEST (UINT64_MAX, test_optional_uint64_max);
  
  #undef DO_TEST
  }
  
  static void test_optional_fixed64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_fixed64, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_fixed64_0);
    DO_TEST (669669669669669ULL, test_optional_fixed64_669669669669669);
    DO_TEST (UINT64_MAX, test_optional_fixed64_max);
  
  #undef DO_TEST
  }
  
  static void test_optional_float (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_float, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (-100, test_optional_float_m100);
    DO_TEST (0, test_optional_float_0);
    DO_TEST (141243, test_optional_float_141243);
  
  #undef DO_TEST
  }
  static void test_optional_double (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_double, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (-100, test_optional_double_m100);
    DO_TEST (0, test_optional_double_0);
    DO_TEST (141243, test_optional_double_141243);
  
  #undef DO_TEST
  }
  static void test_optional_bool (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_boolean, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_bool_0);
    DO_TEST (1, test_optional_bool_1);
  
  #undef DO_TEST
  }
  static void test_optional_TestEnumSmall (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_enum_small, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_enum_small_0);
    DO_TEST (1, test_optional_enum_small_1);
  
  #undef DO_TEST
  }
  
  static void test_optional_TestEnum (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL(test_enum, value, example_packed_data, NUMERIC_EQUALS)
  
    DO_TEST (FOO__TEST_ENUM__VALUENEG1, test_optional_enum_neg1);
    DO_TEST (FOO__TEST_ENUM__VALUE0, test_optional_enum_0);
    DO_TEST (FOO__TEST_ENUM__VALUE1, test_optional_enum_1);
    DO_TEST (FOO__TEST_ENUM__VALUE127, test_optional_enum_127);
    DO_TEST (FOO__TEST_ENUM__VALUE128, test_optional_enum_128);
    DO_TEST (FOO__TEST_ENUM__VALUE16383, test_optional_enum_16383);
    DO_TEST (FOO__TEST_ENUM__VALUE16384, test_optional_enum_16384);
    DO_TEST (FOO__TEST_ENUM__VALUE2097151, test_optional_enum_2097151);
    DO_TEST (FOO__TEST_ENUM__VALUE2097152, test_optional_enum_2097152);
    DO_TEST (FOO__TEST_ENUM__VALUE268435455, test_optional_enum_268435455);
    DO_TEST (FOO__TEST_ENUM__VALUE268435456, test_optional_enum_268435456);
  
  #undef DO_TEST
  }
  
  #define DO_TEST_OPTIONAL__NO_HAS(base_member, value, example_packed_data, equal_func) \
    do{ \
    Foo__TestMessOptional opt = FOO__TEST_MESS_OPTIONAL__INIT; \
    Foo__TestMessOptional *mess; \
    size_t len; uint8_t *data; \
    opt.base_member = value; \
    mess = test_compare_pack_methods (&opt.base, &len, &data); \
    TEST_VERSUS_STATIC_ARRAY (len, data, example_packed_data); \
    assert (mess->base_member != NULL); \
    assert (equal_func (mess->base_member, value)); \
    foo__test_mess_optional__free_unpacked (mess, NULL); \
    free (data); \
    }while(0)
  
  static void test_optional_string (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL__NO_HAS (test_string, value, example_packed_data, STRING_EQUALS)
    DO_TEST ("", test_optional_string_empty);
    DO_TEST ("hello", test_optional_string_hello);
  #undef DO_TEST
  }
  static void test_optional_bytes (void)
  {
    static ProtobufCBinaryData bd_empty = { 0, (uint8_t*)"" };
    static ProtobufCBinaryData bd_hello = { 5, (uint8_t*)"hello" };
    static ProtobufCBinaryData bd_random = { 5, (uint8_t*)"\1\0\375\2\4" };
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL (test_bytes, value, example_packed_data, binary_data_equals)
    DO_TEST (bd_empty, test_optional_bytes_empty);
    DO_TEST (bd_hello, test_optional_bytes_hello);
    DO_TEST (bd_random, test_optional_bytes_random);
  #undef DO_TEST
  }
  static void test_optional_SubMess (void)
  {
    Foo__SubMess submess = FOO__SUB_MESS__INIT;
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_OPTIONAL__NO_HAS (test_message, value, example_packed_data, submesses_equals)
    submess.test = 0;
    DO_TEST (&submess, test_optional_submess_0);
    submess.test = 42;
    DO_TEST (&submess, test_optional_submess_42);
  #undef DO_TEST
  }
  
  /* === Oneof type fields === */
  static void test_empty_oneof (void)
  {
    Foo__TestMessOneof mess = FOO__TEST_MESS_ONEOF__INIT;
    size_t len;
    uint8_t *data;
    Foo__TestMessOneof *mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (len == 0);
    free (data);
    foo__test_mess_oneof__free_unpacked (mess2, NULL);
  }
  
  #define DO_TEST_GENERIC_ONEOF(type, init, free_unpacked, case_member, case_enum, member, value, example_packed_data, assign, equal_func, result_check) \
    do{ \
    type opt = init; \
    type *mess; \
    size_t len; uint8_t *data; \
    opt.case_member = case_enum; \
    assign(opt.member, value); \
    mess = test_compare_pack_methods (&opt.base, &len, &data); \
    TEST_VERSUS_STATIC_ARRAY (len, data, example_packed_data); \
    assert (mess->case_member == case_enum); \
    result_check(mess->member); \
    assert (equal_func (mess->member, value)); \
    free_unpacked (mess, NULL); \
    free (data); \
    }while(0)
  
  #define DO_TEST_ONEOF(member, MEMBER, value, example_packed_data, assign, equal_func) \
    DO_TEST_GENERIC_ONEOF(Foo__TestMessOneof, \
                  FOO__TEST_MESS_ONEOF__INIT, \
                  foo__test_mess_oneof__free_unpacked, \
                  test_oneof_case, \
                  FOO__TEST_MESS_ONEOF__TEST_ONEOF_##MEMBER, \
                  member, \
                  value, example_packed_data, assign, equal_func, CHECK_NONE)
  
  #define DO_TEST_ONEOF_REF_VAL(member, MEMBER, value, example_packed_data, assign, equal_func) \
    DO_TEST_GENERIC_ONEOF(Foo__TestMessOneof, \
                  FOO__TEST_MESS_ONEOF__INIT, \
                  foo__test_mess_oneof__free_unpacked, \
                  test_oneof_case, \
                  FOO__TEST_MESS_ONEOF__TEST_ONEOF_##MEMBER, \
                  member, \
                  value, example_packed_data, assign, equal_func, CHECK_NOT_NULL)
  
  static void test_oneof_int32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_int32, TEST_INT32, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (INT32_MIN, test_optional_int32_min);
    DO_TEST (-1, test_optional_int32_m1);
    DO_TEST (0, test_optional_int32_0);
    DO_TEST (666, test_optional_int32_666);
    DO_TEST (INT32_MAX, test_optional_int32_max);
  
  #undef DO_TEST
  }
  static void test_oneof_sint32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_sint32, TEST_SINT32, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (INT32_MIN, test_optional_sint32_min);
    DO_TEST (-1, test_optional_sint32_m1);
    DO_TEST (0, test_optional_sint32_0);
    DO_TEST (666, test_optional_sint32_666);
    DO_TEST (INT32_MAX, test_optional_sint32_max);
  
  #undef DO_TEST
  }
  static void test_oneof_sfixed32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_sfixed32, TEST_SFIXED32, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (INT32_MIN, test_optional_sfixed32_min);
    DO_TEST (-1, test_optional_sfixed32_m1);
    DO_TEST (0, test_optional_sfixed32_0);
    DO_TEST (666, test_optional_sfixed32_666);
    DO_TEST (INT32_MAX, test_optional_sfixed32_max);
  
  #undef DO_TEST
  }
  static void test_oneof_int64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_int64, TEST_INT64, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (INT64_MIN, test_optional_int64_min);
    DO_TEST (-1111111111LL, test_optional_int64_m1111111111LL);
    DO_TEST (0, test_optional_int64_0);
    DO_TEST (QUINTILLION, test_optional_int64_quintillion);
    DO_TEST (INT64_MAX, test_optional_int64_max);
  
  #undef DO_TEST
  }
  static void test_oneof_sint64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_sint64, TEST_SINT64, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (INT64_MIN, test_optional_sint64_min);
    DO_TEST (-1111111111LL, test_optional_sint64_m1111111111LL);
    DO_TEST (0, test_optional_sint64_0);
    DO_TEST (QUINTILLION, test_optional_sint64_quintillion);
    DO_TEST (INT64_MAX, test_optional_sint64_max);
  
  #undef DO_TEST
  }
  static void test_oneof_sfixed64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_sfixed64, TEST_SFIXED64, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (INT64_MIN, test_optional_sfixed64_min);
    DO_TEST (-1111111111LL, test_optional_sfixed64_m1111111111LL);
    DO_TEST (0, test_optional_sfixed64_0);
    DO_TEST (QUINTILLION, test_optional_sfixed64_quintillion);
    DO_TEST (INT64_MAX, test_optional_sfixed64_max);
  
  #undef DO_TEST
  }
  
  static void test_oneof_uint32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_uint32, TEST_UINT32, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_uint32_0);
    DO_TEST (669, test_optional_uint32_669);
    DO_TEST (UINT32_MAX, test_optional_uint32_max);
  
  #undef DO_TEST
  }
  
  static void test_oneof_fixed32 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_fixed32, TEST_FIXED32, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_fixed32_0);
    DO_TEST (669, test_optional_fixed32_669);
    DO_TEST (UINT32_MAX, test_optional_fixed32_max);
  
  #undef DO_TEST
  }
  
  static void test_oneof_uint64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_uint64, TEST_UINT64, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_uint64_0);
    DO_TEST (669669669669669ULL, test_optional_uint64_669669669669669);
    DO_TEST (UINT64_MAX, test_optional_uint64_max);
  
  #undef DO_TEST
  }
  
  static void test_oneof_fixed64 (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_fixed64, TEST_FIXED64, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_fixed64_0);
    DO_TEST (669669669669669ULL, test_optional_fixed64_669669669669669);
    DO_TEST (UINT64_MAX, test_optional_fixed64_max);
  
  #undef DO_TEST
  }
  
  static void test_oneof_float (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_float, TEST_FLOAT, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (-100, test_optional_float_m100);
    DO_TEST (0, test_optional_float_0);
    DO_TEST (141243, test_optional_float_141243);
  
  #undef DO_TEST
  }
  static void test_oneof_double (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_double, TEST_DOUBLE, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (-100, test_optional_double_m100);
    DO_TEST (0, test_optional_double_0);
    DO_TEST (141243, test_optional_double_141243);
  
  #undef DO_TEST
  }
  static void test_oneof_bool (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_boolean, TEST_BOOLEAN, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_bool_0);
    DO_TEST (1, test_optional_bool_1);
  
  #undef DO_TEST
  }
  static void test_oneof_TestEnumSmall (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_enum_small, TEST_ENUM_SMALL, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (0, test_optional_enum_small_0);
    DO_TEST (1, test_optional_enum_small_1);
  
  #undef DO_TEST
  }
  
  static void test_oneof_TestEnum (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF(test_enum, TEST_ENUM, value, example_packed_data, GENERIC_ASSIGN, NUMERIC_EQUALS)
  
    DO_TEST (FOO__TEST_ENUM__VALUENEG1, test_optional_enum_neg1);
    DO_TEST (FOO__TEST_ENUM__VALUE0, test_optional_enum_0);
    DO_TEST (FOO__TEST_ENUM__VALUE1, test_optional_enum_1);
    DO_TEST (FOO__TEST_ENUM__VALUE127, test_optional_enum_127);
    DO_TEST (FOO__TEST_ENUM__VALUE128, test_optional_enum_128);
    DO_TEST (FOO__TEST_ENUM__VALUE16383, test_optional_enum_16383);
    DO_TEST (FOO__TEST_ENUM__VALUE16384, test_optional_enum_16384);
    DO_TEST (FOO__TEST_ENUM__VALUE2097151, test_optional_enum_2097151);
    DO_TEST (FOO__TEST_ENUM__VALUE2097152, test_optional_enum_2097152);
    DO_TEST (FOO__TEST_ENUM__VALUE268435455, test_optional_enum_268435455);
    DO_TEST (FOO__TEST_ENUM__VALUE268435456, test_optional_enum_268435456);
  
  #undef DO_TEST
  }
  
  static void test_oneof_string (void)
  {
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF_REF_VAL (test_string, TEST_STRING, value, example_packed_data, GENERIC_ASSIGN, STRING_EQUALS)
    DO_TEST ("", test_optional_string_empty);
    DO_TEST ("hello", test_optional_string_hello);
  #undef DO_TEST
  }
  static void test_oneof_bytes (void)
  {
    static ProtobufCBinaryData bd_empty = { 0, (uint8_t*)"" };
    static ProtobufCBinaryData bd_hello = { 5, (uint8_t*)"hello" };
    static ProtobufCBinaryData bd_random = { 5, (uint8_t*)"\1\0\375\2\4" };
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF (test_bytes, TEST_BYTES, value, example_packed_data, GENERIC_ASSIGN, binary_data_equals)
    DO_TEST (bd_empty, test_optional_bytes_empty);
    DO_TEST (bd_hello, test_optional_bytes_hello);
    DO_TEST (bd_random, test_optional_bytes_random);
  #undef DO_TEST
  }
  static void test_oneof_SubMess (void)
  {
    Foo__SubMess submess = FOO__SUB_MESS__INIT;
  #define DO_TEST(value, example_packed_data) \
    DO_TEST_ONEOF_REF_VAL (test_message, TEST_MESSAGE, value, example_packed_data, GENERIC_ASSIGN, submesses_equals)
    submess.test = 0;
    DO_TEST (&submess, test_optional_submess_0);
    submess.test = 42;
    DO_TEST (&submess, test_optional_submess_42);
  #undef DO_TEST
  }
  static void test_oneof_merge (void)
  {
    Foo__TestMessOneof *msg;
  #define DO_TEST(value, member, MEMBER, equals_func, example_packed_data) \
    msg = foo__test_mess_oneof__unpack (NULL, sizeof (example_packed_data), example_packed_data); \
    assert (msg); \
    assert (msg->test_oneof_case == FOO__TEST_MESS_ONEOF__TEST_ONEOF_##MEMBER); \
    assert (equals_func (msg->member, value)); \
    foo__test_mess_oneof__free_unpacked (msg, NULL);
  
    DO_TEST (444455555, test_double, TEST_DOUBLE, NUMERIC_EQUALS, test_oneof_merge_double);
    DO_TEST (333, test_float, TEST_FLOAT, NUMERIC_EQUALS, test_oneof_merge_float);
    DO_TEST (666, test_int32, TEST_INT32, NUMERIC_EQUALS, test_oneof_merge_int32);
    DO_TEST ("", test_string, TEST_STRING, STRING_EQUALS, test_oneof_merge_string);
  
    Foo__SubMess submess = FOO__SUB_MESS__INIT;
    submess.test = 42;
    DO_TEST (&submess, test_message, TEST_MESSAGE, submesses_equals, test_oneof_merge_submess);
  
    ProtobufCBinaryData bd_hello = { 5, (uint8_t*)"hello" };
    DO_TEST(bd_hello, test_bytes, TEST_BYTES, binary_data_equals, test_oneof_merge_bytes);
  #undef DO_TEST
  }
  
  /* === repeated type fields === */
  #define DO_TEST_REPEATED(lc_member_name, cast, \
                           static_array, example_packed_data, \
                           equals_macro) \
    do{ \
    Foo__TestMess mess = FOO__TEST_MESS__INIT; \
    Foo__TestMess *mess2; \
    size_t len; \
    uint8_t *data; \
    unsigned i; \
    mess.n_##lc_member_name = N_ELEMENTS (static_array); \
    mess.lc_member_name = cast static_array; \
    mess2 = test_compare_pack_methods ((ProtobufCMessage*)(&mess), &len, &data); \
    assert(mess2->n_##lc_member_name == N_ELEMENTS (static_array)); \
    for (i = 0; i < N_ELEMENTS (static_array); i++) \
      assert(equals_macro(mess2->lc_member_name[i], static_array[i])); \
    TEST_VERSUS_STATIC_ARRAY (len, data, example_packed_data); \
    free (data); \
    foo__test_mess__free_unpacked (mess2, NULL); \
    }while(0)
  
  static void test_empty_repeated (void)
  {
    Foo__TestMess mess = FOO__TEST_MESS__INIT;
    size_t len;
    uint8_t *data;
    Foo__TestMess *mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (len == 0);
    free (data);
    foo__test_mess__free_unpacked (mess2, NULL);
  }
  
  static void test_repeated_int32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_int32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int32_arr0, test_repeated_int32_arr0);
    DO_TEST (int32_arr1, test_repeated_int32_arr1);
    DO_TEST (int32_arr_min_max, test_repeated_int32_arr_min_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_sint32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_sint32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int32_arr0, test_repeated_sint32_arr0);
    DO_TEST (int32_arr1, test_repeated_sint32_arr1);
    DO_TEST (int32_arr_min_max, test_repeated_sint32_arr_min_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_sfixed32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_sfixed32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int32_arr0, test_repeated_sfixed32_arr0);
    DO_TEST (int32_arr1, test_repeated_sfixed32_arr1);
    DO_TEST (int32_arr_min_max, test_repeated_sfixed32_arr_min_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_uint32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_uint32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (uint32_roundnumbers, test_repeated_uint32_roundnumbers);
    DO_TEST (uint32_0_max, test_repeated_uint32_0_max);
  
  #undef DO_TEST
  }
  
  
  
  static void test_repeated_fixed32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_fixed32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (uint32_roundnumbers, test_repeated_fixed32_roundnumbers);
    DO_TEST (uint32_0_max, test_repeated_fixed32_0_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_int64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_int64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int64_roundnumbers, test_repeated_int64_roundnumbers);
    DO_TEST (int64_min_max, test_repeated_int64_min_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_sint64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_sint64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int64_roundnumbers, test_repeated_sint64_roundnumbers);
    DO_TEST (int64_min_max, test_repeated_sint64_min_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_sfixed64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_sfixed64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int64_roundnumbers, test_repeated_sfixed64_roundnumbers);
    DO_TEST (int64_min_max, test_repeated_sfixed64_min_max);
  
  #undef DO_TEST
  }
  
  static void test_repeated_uint64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_uint64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(uint64_roundnumbers, test_repeated_uint64_roundnumbers);
    DO_TEST(uint64_0_1_max, test_repeated_uint64_0_1_max);
    DO_TEST(uint64_random, test_repeated_uint64_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_fixed64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_fixed64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(uint64_roundnumbers, test_repeated_fixed64_roundnumbers);
    DO_TEST(uint64_0_1_max, test_repeated_fixed64_0_1_max);
    DO_TEST(uint64_random, test_repeated_fixed64_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_float (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_float, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(float_random, test_repeated_float_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_double (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_double, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(double_random, test_repeated_double_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_boolean (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_boolean, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(boolean_0, test_repeated_boolean_0);
    DO_TEST(boolean_1, test_repeated_boolean_1);
    DO_TEST(boolean_random, test_repeated_boolean_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_TestEnumSmall (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_enum_small, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(enum_small_0, test_repeated_enum_small_0);
    DO_TEST(enum_small_1, test_repeated_enum_small_1);
    DO_TEST(enum_small_random, test_repeated_enum_small_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_TestEnum (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_enum, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(enum_0, test_repeated_enum_0);
    DO_TEST(enum_1, test_repeated_enum_1);
    DO_TEST(enum_random, test_repeated_enum_random);
  
  #undef DO_TEST
  }
  
  static void test_repeated_string (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_string, (char **), \
                     static_array, example_packed_data, \
                     STRING_EQUALS)
  
    DO_TEST(repeated_strings_0, test_repeated_strings_0);
    DO_TEST(repeated_strings_1, test_repeated_strings_1);
    DO_TEST(repeated_strings_2, test_repeated_strings_2);
    DO_TEST(repeated_strings_3, test_repeated_strings_3);
  
  #undef DO_TEST
  }
  
  static void test_repeated_bytes (void)
  {
    static ProtobufCBinaryData test_binary_data_0[] = {
      { 4, (uint8_t *) "text" },
      { 9, (uint8_t *) "str\1\2\3\4\5\0" },
      { 10, (uint8_t *) "gobble\0foo" }
    };
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_bytes, , \
                     static_array, example_packed_data, \
                     binary_data_equals)
  
    DO_TEST (test_binary_data_0, test_repeated_bytes_0);
  
  #undef DO_TEST
  }
  
  static void test_repeated_SubMess (void)
  {
    static Foo__SubMess submess0 = FOO__SUB_MESS__INIT;
    static Foo__SubMess submess1 = FOO__SUB_MESS__INIT;
    static Foo__SubMess submess2 = FOO__SUB_MESS__INIT;
    static Foo__SubMess *submesses[3] = { &submess0, &submess1, &submess2 };
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_REPEATED(test_message, , \
                     static_array, example_packed_data, \
                     submesses_equals)
  
    DO_TEST (submesses, test_repeated_submess_0);
    submess0.test = 42;
    submess1.test = -10000;
    submess2.test = 667;
    DO_TEST (submesses, test_repeated_submess_1);
  
  #undef DO_TEST
  }
  
  #define DO_TEST_PACKED_REPEATED(lc_member_name, cast, \
                           static_array, example_packed_data, \
                           equals_macro) \
    do{ \
    Foo__TestMessPacked mess = FOO__TEST_MESS_PACKED__INIT; \
    Foo__TestMessPacked *mess2; \
    size_t len; \
    uint8_t *data; \
    unsigned i; \
    mess.n_##lc_member_name = N_ELEMENTS (static_array); \
    mess.lc_member_name = cast static_array; \
    mess2 = test_compare_pack_methods ((ProtobufCMessage*)(&mess), &len, &data); \
    TEST_VERSUS_STATIC_ARRAY (len, data, example_packed_data); \
    assert(mess2->n_##lc_member_name == N_ELEMENTS (static_array)); \
    for (i = 0; i < N_ELEMENTS (static_array); i++) \
      assert(equals_macro(mess2->lc_member_name[i], static_array[i])); \
    free (data); \
    foo__test_mess_packed__free_unpacked (mess2, NULL); \
    }while(0)
  
  static void test_packed_repeated_int32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_int32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int32_arr0, test_packed_repeated_int32_arr0);
    DO_TEST (int32_arr1, test_packed_repeated_int32_arr1);
    DO_TEST (int32_arr_min_max, test_packed_repeated_int32_arr_min_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_sint32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_sint32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int32_arr0, test_packed_repeated_sint32_arr0);
    DO_TEST (int32_arr1, test_packed_repeated_sint32_arr1);
    DO_TEST (int32_arr_min_max, test_packed_repeated_sint32_arr_min_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_sfixed32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_sfixed32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int32_arr0, test_packed_repeated_sfixed32_arr0);
    DO_TEST (int32_arr1, test_packed_repeated_sfixed32_arr1);
    DO_TEST (int32_arr_min_max, test_packed_repeated_sfixed32_arr_min_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_uint32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_uint32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (uint32_roundnumbers, test_packed_repeated_uint32_roundnumbers);
    DO_TEST (uint32_0_max, test_packed_repeated_uint32_0_max);
  
  #undef DO_TEST
  }
  
  
  
  static void test_packed_repeated_fixed32 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_fixed32, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (uint32_roundnumbers, test_packed_repeated_fixed32_roundnumbers);
    DO_TEST (uint32_0_max, test_packed_repeated_fixed32_0_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_int64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_int64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int64_roundnumbers, test_packed_repeated_int64_roundnumbers);
    DO_TEST (int64_min_max, test_packed_repeated_int64_min_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_sint64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_sint64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int64_roundnumbers, test_packed_repeated_sint64_roundnumbers);
    DO_TEST (int64_min_max, test_packed_repeated_sint64_min_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_sfixed64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_sfixed64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST (int64_roundnumbers, test_packed_repeated_sfixed64_roundnumbers);
    DO_TEST (int64_min_max, test_packed_repeated_sfixed64_min_max);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_uint64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_uint64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(uint64_roundnumbers, test_packed_repeated_uint64_roundnumbers);
    DO_TEST(uint64_0_1_max, test_packed_repeated_uint64_0_1_max);
    DO_TEST(uint64_random, test_packed_repeated_uint64_random);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_fixed64 (void)
  {
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_fixed64, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(uint64_roundnumbers, test_packed_repeated_fixed64_roundnumbers);
    DO_TEST(uint64_0_1_max, test_packed_repeated_fixed64_0_1_max);
    DO_TEST(uint64_random, test_packed_repeated_fixed64_random);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_float (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_float, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(float_random, test_packed_repeated_float_random);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_double (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_double, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(double_random, test_packed_repeated_double_random);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_boolean (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_boolean, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(boolean_0, test_packed_repeated_boolean_0);
    DO_TEST(boolean_1, test_packed_repeated_boolean_1);
    DO_TEST(boolean_random, test_packed_repeated_boolean_random);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_TestEnumSmall (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_enum_small, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(enum_small_0, test_packed_repeated_enum_small_0);
    DO_TEST(enum_small_1, test_packed_repeated_enum_small_1);
    DO_TEST(enum_small_random, test_packed_repeated_enum_small_random);
  
  #undef DO_TEST
  }
  
  static void test_packed_repeated_TestEnum (void)
  {
  
  #define DO_TEST(static_array, example_packed_data) \
    DO_TEST_PACKED_REPEATED(test_enum, , \
                     static_array, example_packed_data, \
                     NUMERIC_EQUALS)
  
    DO_TEST(enum_0, test_packed_repeated_enum_0);
    DO_TEST(enum_1, test_packed_repeated_enum_1);
    DO_TEST(enum_random, test_packed_repeated_enum_random);
  
  #undef DO_TEST
  }
  
  
  static void test_unknown_fields (void)
  {
    static Foo__EmptyMess mess = FOO__EMPTY_MESS__INIT;
    static Foo__EmptyMess *mess2;
    ProtobufCMessageUnknownField fields[2];
    size_t len; uint8_t *data;
  
    mess.base.n_unknown_fields = 2;
    mess.base.unknown_fields = fields;
  
    fields[0].tag = 5454;
    fields[0].wire_type = PROTOBUF_C_WIRE_TYPE_VARINT;
    fields[0].len = 2;
    fields[0].data = (uint8_t*)"\377\1";
    fields[1].tag = 5555;
    fields[1].wire_type = PROTOBUF_C_WIRE_TYPE_32BIT;
    fields[1].len = 4;
    fields[1].data = (uint8_t*)"\4\1\0\0";
    mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (mess2->base.n_unknown_fields == 2);
    assert (mess2->base.unknown_fields[0].tag == 5454);
    assert (mess2->base.unknown_fields[0].wire_type == PROTOBUF_C_WIRE_TYPE_VARINT);
    assert (mess2->base.unknown_fields[0].len == 2);
    assert (memcmp (mess2->base.unknown_fields[0].data, fields[0].data, 2) == 0);
    assert (mess2->base.unknown_fields[1].tag == 5555);
    assert (mess2->base.unknown_fields[1].wire_type == PROTOBUF_C_WIRE_TYPE_32BIT);
    assert (mess2->base.unknown_fields[1].len == 4);
    assert (memcmp (mess2->base.unknown_fields[1].data, fields[1].data, 4) == 0);
    TEST_VERSUS_STATIC_ARRAY (len, data, test_unknown_fields_0);
    free (data);
    foo__empty_mess__free_unpacked (mess2, NULL);
  
    fields[0].tag = 6666;
    fields[0].wire_type = PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED;
    fields[0].len = 9;
    fields[0].data = (uint8_t*)"\10xxxxxxxx";
    fields[1].tag = 7777;
    fields[1].wire_type = PROTOBUF_C_WIRE_TYPE_64BIT;
    fields[1].len = 8;
    fields[1].data = (uint8_t*)"\1\1\1\0\0\0\0\0";
    mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (mess2->base.n_unknown_fields == 2);
    assert (mess2->base.unknown_fields[0].tag == 6666);
    assert (mess2->base.unknown_fields[0].wire_type == PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED);
    assert (mess2->base.unknown_fields[0].len == 9);
    assert (memcmp (mess2->base.unknown_fields[0].data, fields[0].data, 9) == 0);
    assert (mess2->base.unknown_fields[1].tag == 7777);
    assert (mess2->base.unknown_fields[1].wire_type == PROTOBUF_C_WIRE_TYPE_64BIT);
    assert (mess2->base.unknown_fields[1].len == 8);
    assert (memcmp (mess2->base.unknown_fields[1].data, fields[1].data, 8) == 0);
    TEST_VERSUS_STATIC_ARRAY (len, data, test_unknown_fields_1);
    free (data);
    foo__empty_mess__free_unpacked (mess2, NULL);
  }
  
  static void
  test_enum_descriptor (const ProtobufCEnumDescriptor *desc)
  {
    unsigned i;
    for (i = 0; i < desc->n_values; i++)
      {
        const ProtobufCEnumValue *sv = desc->values + i;
        const ProtobufCEnumValue *vv;
        const ProtobufCEnumValue *vn;
        vv = protobuf_c_enum_descriptor_get_value (desc, sv->value);
        assert (sv == vv);
        vn = protobuf_c_enum_descriptor_get_value_by_name (desc, sv->name);
        if (sv->name != NULL)
           assert (sv == vn);
      }
    for (i = 0; i < desc->n_value_names; i++)
      {
        const char *name = desc->values_by_name[i].name;
        const ProtobufCEnumValue *v;
        v = protobuf_c_enum_descriptor_get_value_by_name (desc, name);
        assert (v != NULL);
      }
  }
  static void
  test_enum_by_name (const ProtobufCEnumDescriptor *desc,
                     const char *name,
                     int expected_value)
  {
    const ProtobufCEnumValue *v;
    v = protobuf_c_enum_descriptor_get_value_by_name (desc, name);
    assert (v != NULL);
    assert (v->value == expected_value);
  }
  
  static void
  test_lite_enum (void)
  {
    const ProtobufCEnumDescriptor *desc = &foo__test_enum_lite__descriptor;
    const ProtobufCEnumValue *v;
  
    v = protobuf_c_enum_descriptor_get_value_by_name (desc, "BOO");
    assert (v == NULL);
  
    v = protobuf_c_enum_descriptor_get_value (desc, 0);
    assert (v != NULL);
    assert (v->value == 0);
  
    v = protobuf_c_enum_descriptor_get_value (desc, 3);
    assert (v == NULL);
  }
  
  static void
  test_enum_lookups (void)
  {
    test_enum_descriptor (&foo__test_enum__descriptor);
    test_enum_descriptor (&foo__test_enum_small__descriptor);
    test_enum_descriptor (&foo__test_enum_dup_values__descriptor);
    test_enum_descriptor (&foo__test_enum_lite__descriptor);
    test_lite_enum ();
  #define TEST_ENUM_DUP_VALUES(str, shortname) \
    test_enum_by_name (&foo__test_enum_dup_values__descriptor,  \
                       str, FOO__TEST_ENUM_DUP_VALUES__##shortname)
    TEST_ENUM_DUP_VALUES ("VALUE_A", VALUE_A);
    TEST_ENUM_DUP_VALUES ("VALUE_B", VALUE_B);
    TEST_ENUM_DUP_VALUES ("VALUE_C", VALUE_C);
    TEST_ENUM_DUP_VALUES ("VALUE_D", VALUE_D);
    TEST_ENUM_DUP_VALUES ("VALUE_E", VALUE_E);
    TEST_ENUM_DUP_VALUES ("VALUE_F", VALUE_F);
    TEST_ENUM_DUP_VALUES ("VALUE_AA", VALUE_AA);
    TEST_ENUM_DUP_VALUES ("VALUE_BB", VALUE_BB);
  #undef TEST_ENUM_DUP_VALUES
  }
  
  static void
  test_message_descriptor (const ProtobufCMessageDescriptor *desc)
  {
    unsigned i;
    for (i = 0; i < desc->n_fields; i++)
      {
        const ProtobufCFieldDescriptor *f = desc->fields + i;
        const ProtobufCFieldDescriptor *fv;
        const ProtobufCFieldDescriptor *fn;
        fv = protobuf_c_message_descriptor_get_field (desc, f->id);
        assert (f == fv);
        fn = protobuf_c_message_descriptor_get_field_by_name (desc, f->name);
        if (desc->fields_sorted_by_name != NULL)
          assert (f == fn);
      }
  }
  static void
  test_message_lookups (void)
  {
    test_message_descriptor (&foo__test_mess__descriptor);
    test_message_descriptor (&foo__test_mess_optional__descriptor);
    test_message_descriptor (&foo__test_mess_required_enum__descriptor);
    test_message_descriptor (&foo__test_mess_lite__descriptor);
  }
  
  static void
  assert_required_default_values_are_default (Foo__DefaultRequiredValues *mess)
  {
    assert (mess->v_int32 == -42);
    assert (mess->v_uint32 == 666);
    assert (mess->v_int64 == 100000);
    assert (mess->v_uint64 == 100001);
    assert (mess->v_float == 2.5);
    assert (mess->v_double == 4.5);
    assert (strcmp (mess->v_string, "hi mom\n") == 0);
    assert (mess->v_bytes.len = /* a */ 1
                                 + /* space */ 1
                                 + /* NUL */ 1
                                 + /* space */ 1
                                 + /* "character" */ 9);
    assert (memcmp (mess->v_bytes.data, "a \0 character", 13) == 0);
  }
  
  
  static void
  test_required_default_values (void)
  {
    Foo__DefaultRequiredValues mess = FOO__DEFAULT_REQUIRED_VALUES__INIT;
    Foo__DefaultRequiredValues *mess2;
    size_t len; uint8_t *data;
    assert_required_default_values_are_default (&mess);
    mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    free (data);
    assert_required_default_values_are_default (mess2);
    foo__default_required_values__free_unpacked (mess2, NULL);
  }
  
  static void
  assert_optional_default_values_are_default (Foo__DefaultOptionalValues *mess)
  {
    assert (!mess->has_v_int32);
    assert (mess->v_int32 == -42);
    assert (!mess->has_v_uint32);
    assert (mess->v_uint32 == 666);
    assert (!mess->has_v_int64);
    assert (mess->v_int64 == 100000);
    assert (!mess->has_v_uint64);
    assert (mess->v_uint64 == 100001);
    assert (!mess->has_v_float);
    assert (mess->v_float == 2.5);
    assert (!mess->has_v_double);
    assert (mess->v_double == 4.5);
    assert (strcmp (mess->v_string, "hi mom\n") == 0);
    assert (!mess->has_v_bytes);
    assert (mess->v_bytes.len = /* a */ 1
                                 + /* space */ 1
                                 + /* NUL */ 1
                                 + /* space */ 1
                                 + /* "character" */ 9);
    assert (memcmp (mess->v_bytes.data, "a \0 character", 13) == 0);
  }
  
  static void
  assert_unspecified_default_values_are_correct (Foo__TestMessOptional *mess)
  {
    assert (!mess->has_test_int32);
    assert (mess->test_int32 == 0);
    assert (!mess->has_test_uint32);
    assert (mess->test_uint32 == 0);
    assert (!mess->has_test_int64);
    assert (mess->test_int64 == 0);
    assert (!mess->has_test_uint64);
    assert (mess->test_uint64 == 0);
    assert (!mess->has_test_float);
    assert (mess->test_float == 0.0);
    assert (!mess->has_test_double);
    assert (mess->test_double == 0.0);
    assert (mess->test_string == NULL);
    assert (!mess->has_test_bytes);
    assert (mess->test_bytes.len == 0);
    assert (mess->test_bytes.data == NULL);
    assert (!mess->has_test_boolean);
    assert (!mess->test_boolean);
    assert (!mess->has_test_enum_small);
    assert (mess->test_enum_small == FOO__TEST_ENUM_SMALL__NEG_VALUE);
    assert (!mess->has_test_enum);
    assert (mess->test_enum == FOO__TEST_ENUM__VALUENEG123456);
  }
  
  static void
  test_optional_default_values (void)
  {
    Foo__DefaultOptionalValues mess = FOO__DEFAULT_OPTIONAL_VALUES__INIT;
    Foo__DefaultOptionalValues *mess2;
    size_t len; uint8_t *data;
    assert_optional_default_values_are_default (&mess);
    mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (len == 0);            /* no non-default values */
    free (data);
    assert_optional_default_values_are_default (mess2);
    foo__default_optional_values__free_unpacked (mess2, NULL);
  
    Foo__TestMessOptional mess3 = FOO__TEST_MESS_OPTIONAL__INIT;
    assert_unspecified_default_values_are_correct (&mess3);
  }
  
  static void
  assert_optional_lowercase_enum_default_value_is_default (Foo__LowerCase *mess)
  {
    assert (!mess->has_value);
    assert (mess->value == 2);
  }
  
  static void
  test_optional_lowercase_enum_default_value (void)
  {
    Foo__LowerCase mess = FOO__LOWER_CASE__INIT;
    Foo__LowerCase *mess2;
    size_t len; uint8_t *data;
    assert_optional_lowercase_enum_default_value_is_default (&mess);
    mess2 = test_compare_pack_methods (&mess.base, &len, &data);
    assert (len == 0);            /* no non-default values */
    free (data);
    assert_optional_lowercase_enum_default_value_is_default (mess2);
    foo__lower_case__free_unpacked (mess2, NULL);
  }
  
  static void
  test_field_merge (void)
  {
     Foo__TestMessOptional msg1 = FOO__TEST_MESS_OPTIONAL__INIT;
     Foo__SubMess sub1 = FOO__SUB_MESS__INIT;
     Foo__SubMess__SubSubMess subsub1 = FOO__SUB_MESS__SUB_SUB_MESS__INIT;
  
     msg1.has_test_int32 = 1;
     msg1.test_int32 = 12345;
     msg1.has_test_sint32 = 1;
     msg1.test_sint32 = -12345;
     msg1.has_test_int64 = 1;
     msg1.test_int64 = 232;
     msg1.test_string = "123";
     msg1.test_message = &sub1;
     sub1.has_val1 = 1;
     sub1.val1 = 4;
     sub1.has_val2 = 1;
     sub1.val2 = 5;
     int32_t arr1[] = {0, 1};
     sub1.n_rep = 2;
     sub1.rep = arr1;
     sub1.sub1 = &subsub1;
     sub1.sub2 = &subsub1;
     subsub1.n_rep = 2;
     subsub1.rep = arr1;
     subsub1.str1 = "test";
  
     size_t msg_size = foo__test_mess_optional__get_packed_size (&msg1);
  
     Foo__TestMessOptional msg2 = FOO__TEST_MESS_OPTIONAL__INIT;
     Foo__SubMess sub2 = FOO__SUB_MESS__INIT;
     Foo__SubMess__SubSubMess subsub2 = FOO__SUB_MESS__SUB_SUB_MESS__INIT;
  
     msg2.has_test_int64 = 1;
     msg2.test_int64 = 2;
     msg2.has_test_enum = 1;
     msg2.test_enum = FOO__TEST_ENUM__VALUE128;
     msg2.test_string = "456";
     msg2.test_message = &sub2;
     sub2.has_val2 = 1;
     sub2.val2 = 666;
     int32_t arr2[] = {2, 3, 4};
     sub2.n_rep = 3;
     sub2.rep = arr2;
     sub2.sub1 = &subsub2;
     subsub2.has_val1 = 1;
     subsub2.val1 = 1;
  
     msg_size += foo__test_mess_optional__get_packed_size (&msg2);
  
     uint8_t *packed_buffer = (uint8_t *)malloc (msg_size);
  
     size_t packed_size = foo__test_mess_optional__pack (&msg1, packed_buffer);
     packed_size += foo__test_mess_optional__pack (&msg2, packed_buffer + packed_size);
  
     assert (packed_size == msg_size);
  
     Foo__TestMessOptional *merged = foo__test_mess_optional__unpack
        (NULL, msg_size, packed_buffer);
  
     assert (merged->has_test_int32 && merged->test_int32 == msg1.test_int32);
     assert (merged->has_test_sint32 && merged->test_sint32 == msg1.test_sint32);
     assert (merged->has_test_int64 && merged->test_int64 == msg2.test_int64);
     assert (merged->has_test_enum && merged->test_enum == msg2.test_enum);
     assert (strcmp (merged->test_string, msg2.test_string) == 0);
     assert (merged->test_message->has_val1 && merged->test_message->val1 == sub1.val1);
     assert (merged->test_message->has_val2 && merged->test_message->val2 == sub2.val2);
     /* Repeated fields should get concatenated */
     int32_t merged_arr[] = {0, 1, 2, 3, 4};
     assert (merged->test_message->n_rep == 5 &&
             memcmp(merged->test_message->rep, merged_arr, sizeof(merged_arr)) == 0);
  
     assert (merged->test_message->sub1->val1 == subsub2.val1);
     assert (memcmp(merged->test_message->sub1->bytes1.data,
              subsub2.bytes1.data, subsub2.bytes1.len) == 0);
     assert (strcmp(merged->test_message->sub1->str1, subsub1.str1) == 0);
     assert (merged->test_message->sub1->n_rep == subsub1.n_rep &&
             memcmp(merged->test_message->sub1->rep, arr1, sizeof(arr1)) == 0);
  
     assert (!merged->test_message->sub2->has_val1
           && merged->test_message->sub2->val1 == subsub1.val1);
  
     free (packed_buffer);
     foo__test_mess_optional__free_unpacked (merged, NULL);
  }
  
  static void
  test_submessage_merge (void)
  {
     Foo__TestMessSubMess *merged;
     size_t size;
     uint8_t *packed;
  
     merged = foo__test_mess_sub_mess__unpack
        (NULL, sizeof (test_submess_unmerged1), test_submess_unmerged1);
  
     size = foo__test_mess_sub_mess__get_packed_size(merged);
     packed = malloc (size);
     foo__test_mess_sub_mess__pack (merged, packed);
  
     assert (size == sizeof (test_submess_merged1));
     assert (memcmp (packed, test_submess_merged1, size) == 0);
  
     foo__test_mess_sub_mess__free_unpacked (merged, NULL);
     free (packed);
  
     merged = foo__test_mess_sub_mess__unpack
        (NULL, sizeof (test_submess_unmerged2), test_submess_unmerged2);
  
     size = foo__test_mess_sub_mess__get_packed_size(merged);
     packed = malloc (size);
     foo__test_mess_sub_mess__pack (merged, packed);
  
     assert (size == sizeof (test_submess_merged2));
     assert (memcmp (packed, test_submess_merged2, size) == 0);
     
     foo__test_mess_sub_mess__free_unpacked (merged, NULL);
     free (packed);
  }
  
  static struct alloc_data {
    uint32_t alloc_count;
    int32_t allocs_left;
  } test_allocator_data;
  
  static void *test_alloc(void *allocator_data, size_t size)
  {
    struct alloc_data *ad = allocator_data;
    void *rv = NULL;
    if (ad->allocs_left-- > 0)
        rv = malloc (size);
    /* fprintf (stderr, "alloc %d = %p\n", size, rv); */
    if (rv)
      ad->alloc_count++;
    return rv;
  }
  
  static void test_free (void *allocator_data, void *data)
  {
    struct alloc_data *ad = allocator_data;
    /* fprintf (stderr, "free %p\n", data); */
    free (data);
    if (data)
      ad->alloc_count--;
  }
  
  static ProtobufCAllocator test_allocator = {
    .alloc = test_alloc,
    .free = test_free,
    .allocator_data = &test_allocator_data,
  };
  
  #define SETUP_TEST_ALLOC_BUFFER(pbuf, len)					\
    uint8_t bytes[] = "some bytes", *pbuf;						\
    size_t len, _len2;                                        \
    Foo__DefaultRequiredValues _req = FOO__DEFAULT_REQUIRED_VALUES__INIT;		\
    Foo__AllocValues _mess = FOO__ALLOC_VALUES__INIT;				\
    _mess.a_string = "some string";						\
    _mess.r_string = repeated_strings_2;						\
    _mess.n_r_string = sizeof(repeated_strings_2) / sizeof(*repeated_strings_2);	\
    _mess.a_bytes.len = sizeof(bytes);						\
    _mess.a_bytes.data = bytes;							\
    _mess.a_mess = &_req;								\
    len = foo__alloc_values__get_packed_size (&_mess);			\
    pbuf = malloc (len);							\
    assert (pbuf);								\
    _len2 = foo__alloc_values__pack (&_mess, pbuf);			\
    assert (len == _len2);
  
  static void
  test_alloc_graceful_cleanup (uint8_t *packed, size_t len, int good_allocs)
  {
    Foo__AllocValues *mess;
    test_allocator_data.alloc_count = 0;
    test_allocator_data.allocs_left = good_allocs;
    mess = foo__alloc_values__unpack (&test_allocator, len, packed);
    assert (test_allocator_data.allocs_left < 0 ? !mess : !!mess);
    if (mess)
      foo__alloc_values__free_unpacked (mess, &test_allocator);
    assert (0 == test_allocator_data.alloc_count);
  }
  
  static void
  test_alloc_free_all (void)
  {
    SETUP_TEST_ALLOC_BUFFER (packed, len);
    test_alloc_graceful_cleanup (packed, len, INT32_MAX);
    free (packed);
  }
  
  /* TODO: test alloc failure for slab, unknown fields */
  static void
  test_alloc_fail (void)
  {
    int i = 0;
    SETUP_TEST_ALLOC_BUFFER (packed, len);
    do test_alloc_graceful_cleanup (packed, len, i++);
    while (test_allocator_data.allocs_left < 0);
    free (packed);
  }
  
  static void
  test_free_unpacked_input_check_for_null_message (void)
  {
    protobuf_c_message_free_unpacked (NULL, NULL);
  }
  
  static void
  test_free_unpacked_input_check_for_null_repeated_field (void)
  {
    Foo__TestMess *tm = calloc(1, foo__test_mess__descriptor.sizeof_message);
    foo__test_mess__init(tm);
  
    tm->n_test_string = 1;
    tm->test_string = NULL;
  
    tm->n_test_bytes = 1;
    tm->test_bytes = NULL;
  
    tm->n_test_message = 1;
    tm->test_message = NULL;
  
    foo__test_mess__free_unpacked (tm, NULL);
  }
  
  /* This test checks that protobuf decoder is capable of detecting special
     cases of incomplete messages. The message should have at least two required
     fields field1 and field129 with positions pos1 and pos2 (no matter what the
     field numbers are), such as (pos1 % 128) == (pos2 % 128). The decoder must
     return NULL instead of incomplete message with field129 missing. */
  static void test_required_fields_bitmap(void)
  {
    const uint8_t source[] = {
      (1 << 3) | PROTOBUF_C_WIRE_TYPE_LENGTH_PREFIXED,
      sizeof("hello") - 1,
      'h', 'e', 'l', 'l', 'o'
    };
    Foo__TestRequiredFieldsBitmap *msg;
    msg = foo__test_required_fields_bitmap__unpack(NULL, sizeof(source), source);
    assert (msg == NULL);
  }
  
  static void
  test_field_flags (void)
  {
    const ProtobufCFieldDescriptor *f;
    const ProtobufCMessageDescriptor *desc = &foo__test_field_flags__descriptor;
  
    f = protobuf_c_message_descriptor_get_field_by_name(desc, "no_flags1");
    assert(f != NULL);
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_PACKED));
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_DEPRECATED));
  
    f = protobuf_c_message_descriptor_get_field_by_name(desc, "no_flags2");
    assert(f != NULL);
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_PACKED));
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_DEPRECATED));
  
    f = protobuf_c_message_descriptor_get_field_by_name(desc, "no_flags3");
    assert(f != NULL);
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_PACKED));
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_DEPRECATED));
  
    f = protobuf_c_message_descriptor_get_field_by_name(desc, "packed");
    assert(f != NULL);
    assert((f->flags & PROTOBUF_C_FIELD_FLAG_PACKED));
    assert(!(f->flags & PROTOBUF_C_FIELD_FLAG_DEPRECATED));
  
    f = protobuf_c_message_descriptor_get_field_by_name(desc, "packed_deprecated");
    assert(f != NULL);
    assert((f->flags & PROTOBUF_C_FIELD_FLAG_PACKED));
    assert((f->flags & PROTOBUF_C_FIELD_FLAG_DEPRECATED));
  }
  
  static void
  test_message_check(void)
  {
    Foo__TestMessageCheck__SubMessage sm = FOO__TEST_MESSAGE_CHECK__SUB_MESSAGE__INIT;
    Foo__TestMessageCheck__SubMessage sm2 = FOO__TEST_MESSAGE_CHECK__SUB_MESSAGE__INIT;
    Foo__TestMessageCheck m = FOO__TEST_MESSAGE_CHECK__INIT;
    char *null = NULL;
    char *str = "";
    Foo__TestMessageCheck__SubMessage *sm_p;
    ProtobufCBinaryData bd;
  
    /* test incomplete submessage */
    assert(0 == protobuf_c_message_check(&sm.base));
  
    /* test complete submessage */
    sm.str = str;
    assert(1 == protobuf_c_message_check(&sm.base));
  
    /* test just initialized message */
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with required_string not set */
    m.required_string = NULL;
    m.required_msg = &sm;
    m.required_bytes.data = (uint8_t *)str; m.required_bytes.len = 1;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with required_msg not set */
    m.required_string = str;
    m.required_msg = NULL;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with required_bytes set incorrectly */
    m.required_msg = &sm;
    m.required_bytes.data = NULL; m.required_bytes.len = 1;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with all required fields set */
    m.required_bytes.data = (uint8_t *)str; m.required_bytes.len = 1;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with incomplete required submessage */
    sm.str = NULL;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with incomplete optional submessage */
    sm.str = str;
    m.optional_msg = &sm2;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with complete optional submessage */
    sm2.str = str;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with correct optional bytes */
    m.has_optional_bytes = 1;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with incorrect optional bytes */
    m.optional_bytes.data = NULL; m.optional_bytes.len = 1;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with correct optional bytes */
    m.optional_bytes.data = (uint8_t *)str; m.optional_bytes.len = 1;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with repeated strings set incorrectly */
    m.n_repeated_string = 1;
    m.repeated_string = &null;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with repeated strings set correctly */
    m.repeated_string = &str;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with repeated submessage set incorrectly */
    sm_p = NULL;
    m.n_repeated_msg = 1;
    m.repeated_msg = &sm_p;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with repeated incomplete submessage */
    sm_p = &sm;
    sm.str = NULL;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with repeated complete submessage */
    sm.str = str;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with repeated bytes set incorrectly */
    bd.len = 1;
    bd.data = NULL;
    m.n_repeated_bytes = 1;
    m.repeated_bytes = &bd;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with repeated bytes set correctly */
    bd.data = (uint8_t *)str;
    assert(1 == protobuf_c_message_check(&m.base));
  
    /* test with empty repeated string vector */
    m.repeated_string = NULL;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with empty repeated bytes vector */
    m.repeated_string = &str;
    m.repeated_bytes = NULL;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test with empty repeated submessage vector */
    m.repeated_bytes = &bd;
    m.repeated_msg = NULL;
    assert(0 == protobuf_c_message_check(&m.base));
  
    /* test all vectors set again */
    m.repeated_msg = &sm_p;
    assert(1 == protobuf_c_message_check(&m.base));
  }
  
  static void
  test_message_free_null (void)
  {
    foo__sub_mess__free_unpacked (NULL, NULL);
  }
  
  /* === simple testing framework === */
  
  typedef void (*TestFunc) (void);
  
  typedef struct {
    const char *name;
    TestFunc func;
  } Test;
  
  static Test tests[] =
  {
    { "small enums", test_enum_small },
    { "big enums", test_enum_big },
    { "test field numbers", test_field_numbers },
  
    { "test required int32", test_required_int32 },
    { "test required sint32", test_required_sint32 },
    { "test required sfixed32", test_required_sfixed32 },
    { "test required int64", test_required_int64 },
    { "test required sint64", test_required_sint64 },
    { "test required sfixed64", test_required_sfixed64 },
    { "test required uint32", test_required_uint32 },
    { "test required fixed32", test_required_fixed32 },
    { "test required uint64", test_required_uint64 },
    { "test required fixed64", test_required_fixed64 },
    { "test required float", test_required_float },
    { "test required double", test_required_double },
    { "test required bool", test_required_bool },
    { "test required TestEnumSmall", test_required_TestEnumSmall },
    { "test required TestEnum", test_required_TestEnum },
    { "test required string", test_required_string },
    { "test required bytes", test_required_bytes },
    { "test required SubMess", test_required_SubMess },
  
    { "test empty optional" ,test_empty_optional },
    { "test optional int32", test_optional_int32 },
    { "test optional sint32", test_optional_sint32 },
    { "test optional sfixed32", test_optional_sfixed32 },
    { "test optional int64", test_optional_int64 },
    { "test optional sint64", test_optional_sint64 },
    { "test optional sfixed64", test_optional_sfixed64 },
    { "test optional uint32", test_optional_uint32 },
    { "test optional fixed32", test_optional_fixed32 },
    { "test optional uint64", test_optional_uint64 },
    { "test optional fixed64", test_optional_fixed64 },
    { "test optional float", test_optional_float },
    { "test optional double", test_optional_double },
    { "test optional bool", test_optional_bool },
    { "test optional TestEnumSmall", test_optional_TestEnumSmall },
    { "test optional TestEnum", test_optional_TestEnum },
    { "test optional string", test_optional_string },
    { "test optional bytes", test_optional_bytes },
    { "test optional SubMess", test_optional_SubMess },
    
    { "test empty oneof" ,test_empty_oneof },
    { "test oneof int32", test_oneof_int32 },
    { "test oneof sint32", test_oneof_sint32 },
    { "test oneof sfixed32", test_oneof_sfixed32 },
    { "test oneof int64", test_oneof_int64 },
    { "test oneof sint64", test_oneof_sint64 },
    { "test oneof sfixed64", test_oneof_sfixed64 },
    { "test oneof uint32", test_oneof_uint32 },
    { "test oneof fixed32", test_oneof_fixed32 },
    { "test oneof uint64", test_oneof_uint64 },
    { "test oneof fixed64", test_oneof_fixed64 },
    { "test oneof float", test_oneof_float },
    { "test oneof double", test_oneof_double },
    { "test oneof bool", test_oneof_bool },
    { "test oneof TestEnumSmall", test_oneof_TestEnumSmall },
    { "test oneof TestEnum", test_oneof_TestEnum },
    { "test oneof string", test_oneof_string },
    { "test oneof bytes", test_oneof_bytes },
    { "test oneof SubMess", test_oneof_SubMess },
    { "test merged oneof unpack", test_oneof_merge },
  
    { "test empty repeated" ,test_empty_repeated },
    { "test repeated int32" ,test_repeated_int32 },
    { "test repeated sint32" ,test_repeated_sint32 },
    { "test repeated sfixed32" ,test_repeated_sfixed32 },
    { "test repeated uint32", test_repeated_uint32 },
    { "test repeated int64", test_repeated_int64 },
    { "test repeated sint64", test_repeated_sint64 },
    { "test repeated sfixed64", test_repeated_sfixed64 },
    { "test repeated fixed32", test_repeated_fixed32 },
    { "test repeated uint64", test_repeated_uint64 },
    { "test repeated fixed64", test_repeated_fixed64 },
    { "test repeated float", test_repeated_float },
    { "test repeated double", test_repeated_double },
    { "test repeated boolean", test_repeated_boolean },
    { "test repeated TestEnumSmall", test_repeated_TestEnumSmall },
    { "test repeated TestEnum", test_repeated_TestEnum },
    { "test repeated string", test_repeated_string },
    { "test repeated bytes", test_repeated_bytes },
    { "test repeated SubMess", test_repeated_SubMess },
  
    { "test packed repeated int32", test_packed_repeated_int32 },
    { "test packed repeated sint32", test_packed_repeated_sint32 },
    { "test packed repeated sfixed32" ,test_packed_repeated_sfixed32 },
    { "test packed repeated uint32", test_packed_repeated_uint32 },
    { "test packed repeated int64", test_packed_repeated_int64 },
    { "test packed repeated sint64", test_packed_repeated_sint64 },
    { "test packed repeated sfixed64", test_packed_repeated_sfixed64 },
    { "test packed repeated fixed32", test_packed_repeated_fixed32 },
    { "test packed repeated uint64", test_packed_repeated_uint64 },
    { "test packed repeated fixed64", test_packed_repeated_fixed64 },
    { "test packed repeated float", test_packed_repeated_float },
    { "test packed repeated double", test_packed_repeated_double },
    { "test packed repeated boolean", test_packed_repeated_boolean },
    { "test packed repeated TestEnumSmall", test_packed_repeated_TestEnumSmall },
    { "test packed repeated TestEnum", test_packed_repeated_TestEnum },
  
    { "test unknown fields", test_unknown_fields },
  
    { "test enum lookups", test_enum_lookups },
    { "test message lookups", test_message_lookups },
  
    { "test required default values", test_required_default_values },
    { "test optional default values", test_optional_default_values },
  
    { "test optional lowercase enum default value", test_optional_lowercase_enum_default_value },
  
    { "test field merge", test_field_merge },
    { "test submessage merge", test_submessage_merge },
  
    { "test free unpacked", test_alloc_free_all },
    { "test alloc failure", test_alloc_fail },
  
    { "test free unpacked input check for null message", test_free_unpacked_input_check_for_null_message },
    { "test free unpacked input check for null repeated field", test_free_unpacked_input_check_for_null_repeated_field },
  
    { "test required_fields_bitmap", test_required_fields_bitmap },
  
    { "test field flags", test_field_flags },
  
    { "test message_check()", test_message_check },
  
    { "test freeing NULL", test_message_free_null },
  };
  #define n_tests (sizeof(tests)/sizeof(Test))
  
  int main(void)
  {
    unsigned i;
    for (i = 0; i < n_tests; i++)
      {
        fprintf (stderr, "Test: %s... ", tests[i].name);
        tests[i].func ();
        fprintf (stderr, " done.\n");
      }
    return 0;
  }
  