FM / tests

/mnt/hdd/osrm/build/flatbuffers-build/tests/

/mnt/hdd/osrm/build/flatbuffers-build/tests

Name	Size	Mode	Actions
docker/	-	0755	rm
FlatBuffers.Benchmarks/	-	0755	rm
FlatBuffers.Test/	-	0755	rm
fuzzer/	-	0755	rm
include_test/	-	0755	rm
MyGame/	-	0755	rm
namespace_test/	-	0755	rm
prototest/	-	0755	rm
rust_usage_test/	-	0755	rm
union_vector/	-	0755	rm
arrays_test.bfbs	1064	0644	edit dl rm
arrays_test.fbs	317	0644	edit dl rm
arrays_test.golden	250	0644	edit dl rm
arrays_test.schema.json	1656	0644	edit dl rm
arrays_test_generated.h	13044	0644	edit dl rm
DartTest.sh	1279	0755	edit dl rm
generate_code.bat	3057	0644	edit dl rm
generate_code.sh	2265	0755	edit dl rm
GoTest.sh	2735	0755	edit dl rm
go_test.go	55666	0644	edit dl rm
JavaScriptTest.js	14324	0644	edit dl rm
JavaScriptTest.sh	750	0755	edit dl rm
JavaScriptUnionVectorTest.js	1706	0644	edit dl rm
JavaTest.bat	987	0644	edit dl rm
javatest.bin	512	0644	edit dl rm
JavaTest.java	19159	0644	edit dl rm
JavaTest.sh	1249	0755	edit dl rm
KotlinTest.kt	16450	0644	edit dl rm
KotlinTest.sh	1402	0755	edit dl rm
lobstertest.lobster	4736	0644	edit dl rm
LuaTest.bat	145	0644	edit dl rm
luatest.lua	8235	0644	edit dl rm
LuaTest.sh	747	0755	edit dl rm
monsterdata_extra.json	420	0644	edit dl rm
monsterdata_python_wire.mon	344	0644	edit dl rm
monsterdata_test.golden	1102	0644	edit dl rm
monsterdata_test.json	1225	0644	edit dl rm
monsterdata_test.mon	440	0644	edit dl rm
monster_extra.fbs	484	0644	edit dl rm
monster_extra_generated.h	14039	0644	edit dl rm
monster_test.bfbs	11792	0644	edit dl rm
monster_test.fbs	4255	0644	edit dl rm
monster_test.grpc.fb.cc	9113	0644	edit dl rm
monster_test.grpc.fb.h	25751	0644	edit dl rm
monster_test.schema.json	10148	0644	edit dl rm
monster_test_generated.h	136302	0644	edit dl rm
monster_test_generated.js	87299	0644	edit dl rm
monster_test_generated.lobster	26849	0644	edit dl rm
monster_test_generated.rs	63840	0644	edit dl rm
monster_test_generated.ts	79087	0644	edit dl rm
monster_test_my_game.example2_generated.dart	1520	0644	edit dl rm
monster_test_my_game.example_generated.dart	47861	0644	edit dl rm
monster_test_my_game_generated.dart	1659	0644	edit dl rm
native_type_test.fbs	227	0644	edit dl rm
native_type_test_generated.h	8374	0644	edit dl rm
native_type_test_impl.cpp	342	0644	edit dl rm
native_type_test_impl.h	493	0644	edit dl rm
phpTest.php	24390	0644	edit dl rm
phpUnionVectorTest.php	3906	0644	edit dl rm
phpUnionVectorTest.sh	137	0755	edit dl rm
PythonTest.sh	2785	0755	edit dl rm
py_test.py	66237	0644	edit dl rm
RustTest.bat	874	0644	edit dl rm
RustTest.sh	1298	0755	edit dl rm
test.cpp	124261	0644	edit dl rm
TestAll.sh	985	0644	edit dl rm
test_assert.cpp	2043	0644	edit dl rm
test_assert.h	2580	0644	edit dl rm
test_builder.cpp	5500	0644	edit dl rm
test_builder.h	10395	0644	edit dl rm
TypeScriptTest.sh	1387	0755	edit dl rm
unicode_test.json	503	0644	edit dl rm

Edit: /mnt/hdd/osrm/build/flatbuffers-build/tests/test.cpp (124261B)

/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <cmath>
#include "flatbuffers/flatbuffers.h"
#include "flatbuffers/idl.h"
#include "flatbuffers/minireflect.h"
#include "flatbuffers/registry.h"
#include "flatbuffers/util.h"

// clang-format off
#ifdef FLATBUFFERS_CPP98_STL
  #include "flatbuffers/stl_emulation.h"
  namespace std {
    using flatbuffers::unique_ptr;
  }
#endif
// clang-format on

#include "monster_test_generated.h"
#include "namespace_test/namespace_test1_generated.h"
#include "namespace_test/namespace_test2_generated.h"
#include "union_vector/union_vector_generated.h"
#include "monster_extra_generated.h"
#if !defined(_MSC_VER) || _MSC_VER >= 1700
#include "arrays_test_generated.h"
#endif

#include "native_type_test_generated.h"
#include "test_assert.h"

#include "flatbuffers/flexbuffers.h"

// clang-format off
// Check that char* and uint8_t* are interoperable types.
// The reinterpret_cast<> between the pointers are used to simplify data loading.
static_assert(flatbuffers::is_same<uint8_t, char>::value ||
              flatbuffers::is_same<uint8_t, unsigned char>::value,
              "unexpected uint8_t type");

#if defined(FLATBUFFERS_HAS_NEW_STRTOD) && (FLATBUFFERS_HAS_NEW_STRTOD > 0)
  // Ensure IEEE-754 support if tests of floats with NaN/Inf will run.
  static_assert(std::numeric_limits<float>::is_iec559 &&
                std::numeric_limits<double>::is_iec559,
                "IEC-559 (IEEE-754) standard required");
#endif
// clang-format on

// Shortcuts for the infinity.
static const auto infinityf = std::numeric_limits<float>::infinity();
static const auto infinityd = std::numeric_limits<double>::infinity();

using namespace MyGame::Example;

void FlatBufferBuilderTest();

// Include simple random number generator to ensure results will be the
// same cross platform.
// http://en.wikipedia.org/wiki/Park%E2%80%93Miller_random_number_generator
uint32_t lcg_seed = 48271;
uint32_t lcg_rand() {
  return lcg_seed = (static_cast<uint64_t>(lcg_seed) * 279470273UL) % 4294967291UL;
}
void lcg_reset() { lcg_seed = 48271; }

std::string test_data_path =
#ifdef BAZEL_TEST_DATA_PATH
    "../com_github_google_flatbuffers/tests/";
#else
    "tests/";
#endif

// example of how to build up a serialized buffer algorithmically:
flatbuffers::DetachedBuffer CreateFlatBufferTest(std::string &buffer) {
  flatbuffers::FlatBufferBuilder builder;

auto vec = Vec3(1, 2, 3, 0, Color_Red, Test(10, 20));

auto name = builder.CreateString("MyMonster");

unsigned char inv_data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
  auto inventory = builder.CreateVector(inv_data, 10);

// Alternatively, create the vector first, and fill in data later:
  // unsigned char *inv_buf = nullptr;
  // auto inventory = builder.CreateUninitializedVector<unsigned char>(
  //                                                              10, &inv_buf);
  // memcpy(inv_buf, inv_data, 10);

Test tests[] = { Test(10, 20), Test(30, 40) };
  auto testv = builder.CreateVectorOfStructs(tests, 2);

// clang-format off
  #ifndef FLATBUFFERS_CPP98_STL
    // Create a vector of structures from a lambda.
    auto testv2 = builder.CreateVectorOfStructs<Test>(
          2, [&](size_t i, Test* s) -> void {
            *s = tests[i];
          });
  #else
    // Create a vector of structures using a plain old C++ function.
    auto testv2 = builder.CreateVectorOfStructs<Test>(
          2, [](size_t i, Test* s, void *state) -> void {
            *s = (reinterpret_cast<Test*>(state))[i];
          }, tests);
  #endif  // FLATBUFFERS_CPP98_STL
  // clang-format on

// create monster with very few fields set:
  // (same functionality as CreateMonster below, but sets fields manually)
  flatbuffers::Offset<Monster> mlocs[3];
  auto fred = builder.CreateString("Fred");
  auto barney = builder.CreateString("Barney");
  auto wilma = builder.CreateString("Wilma");
  MonsterBuilder mb1(builder);
  mb1.add_name(fred);
  mlocs[0] = mb1.Finish();
  MonsterBuilder mb2(builder);
  mb2.add_name(barney);
  mb2.add_hp(1000);
  mlocs[1] = mb2.Finish();
  MonsterBuilder mb3(builder);
  mb3.add_name(wilma);
  mlocs[2] = mb3.Finish();

// Create an array of strings. Also test string pooling, and lambdas.
  auto vecofstrings =
      builder.CreateVector<flatbuffers::Offset<flatbuffers::String>>(
          4,
          [](size_t i, flatbuffers::FlatBufferBuilder *b)
              -> flatbuffers::Offset<flatbuffers::String> {
            static const char *names[] = { "bob", "fred", "bob", "fred" };
            return b->CreateSharedString(names[i]);
          },
          &builder);

// Creating vectors of strings in one convenient call.
  std::vector<std::string> names2;
  names2.push_back("jane");
  names2.push_back("mary");
  auto vecofstrings2 = builder.CreateVectorOfStrings(names2);

// Create an array of sorted tables, can be used with binary search when read:
  auto vecoftables = builder.CreateVectorOfSortedTables(mlocs, 3);

// Create an array of sorted structs,
  // can be used with binary search when read:
  std::vector<Ability> abilities;
  abilities.push_back(Ability(4, 40));
  abilities.push_back(Ability(3, 30));
  abilities.push_back(Ability(2, 20));
  abilities.push_back(Ability(1, 10));
  auto vecofstructs = builder.CreateVectorOfSortedStructs(&abilities);

// Create a nested FlatBuffer.
  // Nested FlatBuffers are stored in a ubyte vector, which can be convenient
  // since they can be memcpy'd around much easier than other FlatBuffer
  // values. They have little overhead compared to storing the table directly.
  // As a test, create a mostly empty Monster buffer:
  flatbuffers::FlatBufferBuilder nested_builder;
  auto nmloc = CreateMonster(nested_builder, nullptr, 0, 0,
                             nested_builder.CreateString("NestedMonster"));
  FinishMonsterBuffer(nested_builder, nmloc);
  // Now we can store the buffer in the parent. Note that by default, vectors
  // are only aligned to their elements or size field, so in this case if the
  // buffer contains 64-bit elements, they may not be correctly aligned. We fix
  // that with:
  builder.ForceVectorAlignment(nested_builder.GetSize(), sizeof(uint8_t),
                               nested_builder.GetBufferMinAlignment());
  // If for whatever reason you don't have the nested_builder available, you
  // can substitute flatbuffers::largest_scalar_t (64-bit) for the alignment, or
  // the largest force_align value in your schema if you're using it.
  auto nested_flatbuffer_vector = builder.CreateVector(
      nested_builder.GetBufferPointer(), nested_builder.GetSize());

// Test a nested FlexBuffer:
  flexbuffers::Builder flexbuild;
  flexbuild.Int(1234);
  flexbuild.Finish();
  auto flex = builder.CreateVector(flexbuild.GetBuffer());

// Test vector of enums.
  Color colors[] = { Color_Blue, Color_Green };
  // We use this special creation function because we have an array of
  // pre-C++11 (enum class) enums whose size likely is int, yet its declared
  // type in the schema is byte.
  auto vecofcolors = builder.CreateVectorScalarCast<uint8_t, Color>(colors, 2);

// shortcut for creating monster with all fields set:
  auto mloc = CreateMonster(builder, &vec, 150, 80, name, inventory, Color_Blue,
                            Any_Monster, mlocs[1].Union(),  // Store a union.
                            testv, vecofstrings, vecoftables, 0,
                            nested_flatbuffer_vector, 0, false, 0, 0, 0, 0, 0,
                            0, 0, 0, 0, 3.14159f, 3.0f, 0.0f, vecofstrings2,
                            vecofstructs, flex, testv2, 0, 0, 0, 0, 0, 0, 0, 0,
                            0, 0, 0, AnyUniqueAliases_NONE, 0,
                            AnyAmbiguousAliases_NONE, 0, vecofcolors);

FinishMonsterBuffer(builder, mloc);

// clang-format off
  #ifdef FLATBUFFERS_TEST_VERBOSE
  // print byte data for debugging:
  auto p = builder.GetBufferPointer();
  for (flatbuffers::uoffset_t i = 0; i < builder.GetSize(); i++)
    printf("%d ", p[i]);
  #endif
  // clang-format on

// return the buffer for the caller to use.
  auto bufferpointer =
      reinterpret_cast<const char *>(builder.GetBufferPointer());
  buffer.assign(bufferpointer, bufferpointer + builder.GetSize());

return builder.Release();
}

//  example of accessing a buffer loaded in memory:
void AccessFlatBufferTest(const uint8_t *flatbuf, size_t length,
                          bool pooled = true) {
  // First, verify the buffers integrity (optional)
  flatbuffers::Verifier verifier(flatbuf, length);
  TEST_EQ(VerifyMonsterBuffer(verifier), true);

// clang-format off
  #ifdef FLATBUFFERS_TRACK_VERIFIER_BUFFER_SIZE
    std::vector<uint8_t> test_buff;
    test_buff.resize(length * 2);
    std::memcpy(&test_buff[0], flatbuf, length);
    std::memcpy(&test_buff[length], flatbuf, length);

flatbuffers::Verifier verifier1(&test_buff[0], length);
    TEST_EQ(VerifyMonsterBuffer(verifier1), true);
    TEST_EQ(verifier1.GetComputedSize(), length);

flatbuffers::Verifier verifier2(&test_buff[length], length);
    TEST_EQ(VerifyMonsterBuffer(verifier2), true);
    TEST_EQ(verifier2.GetComputedSize(), length);
  #endif
  // clang-format on

TEST_EQ(strcmp(MonsterIdentifier(), "MONS"), 0);
  TEST_EQ(MonsterBufferHasIdentifier(flatbuf), true);
  TEST_EQ(strcmp(MonsterExtension(), "mon"), 0);

// Access the buffer from the root.
  auto monster = GetMonster(flatbuf);

TEST_EQ(monster->hp(), 80);
  TEST_EQ(monster->mana(), 150);  // default
  TEST_EQ_STR(monster->name()->c_str(), "MyMonster");
  // Can't access the following field, it is deprecated in the schema,
  // which means accessors are not generated:
  // monster.friendly()

auto pos = monster->pos();
  TEST_NOTNULL(pos);
  TEST_EQ(pos->z(), 3);
  TEST_EQ(pos->test3().a(), 10);
  TEST_EQ(pos->test3().b(), 20);

auto inventory = monster->inventory();
  TEST_EQ(VectorLength(inventory), 10UL);  // Works even if inventory is null.
  TEST_NOTNULL(inventory);
  unsigned char inv_data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
  // Check compatibilty of iterators with STL.
  std::vector<unsigned char> inv_vec(inventory->begin(), inventory->end());
  int n = 0;
  for (auto it = inventory->begin(); it != inventory->end(); ++it, ++n) {
    auto indx = it - inventory->begin();
    TEST_EQ(*it, inv_vec.at(indx));  // Use bounds-check.
    TEST_EQ(*it, inv_data[indx]);
  }
  TEST_EQ(n, inv_vec.size());

n = 0;
  for (auto it = inventory->cbegin(); it != inventory->cend(); ++it, ++n) {
    auto indx = it - inventory->cbegin();
    TEST_EQ(*it, inv_vec.at(indx));  // Use bounds-check.
    TEST_EQ(*it, inv_data[indx]);
  }
  TEST_EQ(n, inv_vec.size());

n = 0;
  for (auto it = inventory->rbegin(); it != inventory->rend(); ++it, ++n) {
    auto indx = inventory->rend() - it - 1;
    TEST_EQ(*it, inv_vec.at(indx));  // Use bounds-check.
    TEST_EQ(*it, inv_data[indx]);
  }
  TEST_EQ(n, inv_vec.size());

n = 0;
  for (auto it = inventory->crbegin(); it != inventory->crend(); ++it, ++n) {
    auto indx = inventory->crend() - it - 1;
    TEST_EQ(*it, inv_vec.at(indx));  // Use bounds-check.
    TEST_EQ(*it, inv_data[indx]);
  }
  TEST_EQ(n, inv_vec.size());

TEST_EQ(monster->color(), Color_Blue);

// Example of accessing a union:
  TEST_EQ(monster->test_type(), Any_Monster);  // First make sure which it is.
  auto monster2 = reinterpret_cast<const Monster *>(monster->test());
  TEST_NOTNULL(monster2);
  TEST_EQ_STR(monster2->name()->c_str(), "Fred");

// Example of accessing a vector of strings:
  auto vecofstrings = monster->testarrayofstring();
  TEST_EQ(vecofstrings->size(), 4U);
  TEST_EQ_STR(vecofstrings->Get(0)->c_str(), "bob");
  TEST_EQ_STR(vecofstrings->Get(1)->c_str(), "fred");
  if (pooled) {
    // These should have pointer equality because of string pooling.
    TEST_EQ(vecofstrings->Get(0)->c_str(), vecofstrings->Get(2)->c_str());
    TEST_EQ(vecofstrings->Get(1)->c_str(), vecofstrings->Get(3)->c_str());
  }

auto vecofstrings2 = monster->testarrayofstring2();
  if (vecofstrings2) {
    TEST_EQ(vecofstrings2->size(), 2U);
    TEST_EQ_STR(vecofstrings2->Get(0)->c_str(), "jane");
    TEST_EQ_STR(vecofstrings2->Get(1)->c_str(), "mary");
  }

// Example of accessing a vector of tables:
  auto vecoftables = monster->testarrayoftables();
  TEST_EQ(vecoftables->size(), 3U);
  for (auto it = vecoftables->begin(); it != vecoftables->end(); ++it)
    TEST_EQ(strlen(it->name()->c_str()) >= 4, true);
  TEST_EQ_STR(vecoftables->Get(0)->name()->c_str(), "Barney");
  TEST_EQ(vecoftables->Get(0)->hp(), 1000);
  TEST_EQ_STR(vecoftables->Get(1)->name()->c_str(), "Fred");
  TEST_EQ_STR(vecoftables->Get(2)->name()->c_str(), "Wilma");
  TEST_NOTNULL(vecoftables->LookupByKey("Barney"));
  TEST_NOTNULL(vecoftables->LookupByKey("Fred"));
  TEST_NOTNULL(vecoftables->LookupByKey("Wilma"));

// Test accessing a vector of sorted structs
  auto vecofstructs = monster->testarrayofsortedstruct();
  if (vecofstructs) {  // not filled in monster_test.bfbs
    for (flatbuffers::uoffset_t i = 0; i < vecofstructs->size() - 1; i++) {
      auto left = vecofstructs->Get(i);
      auto right = vecofstructs->Get(i + 1);
      TEST_EQ(true, (left->KeyCompareLessThan(right)));
    }
    TEST_NOTNULL(vecofstructs->LookupByKey(3));
    TEST_EQ(static_cast<const Ability *>(nullptr),
            vecofstructs->LookupByKey(5));
  }

// Test nested FlatBuffers if available:
  auto nested_buffer = monster->testnestedflatbuffer();
  if (nested_buffer) {
    // nested_buffer is a vector of bytes you can memcpy. However, if you
    // actually want to access the nested data, this is a convenient
    // accessor that directly gives you the root table:
    auto nested_monster = monster->testnestedflatbuffer_nested_root();
    TEST_EQ_STR(nested_monster->name()->c_str(), "NestedMonster");
  }

// Test flexbuffer if available:
  auto flex = monster->flex();
  // flex is a vector of bytes you can memcpy etc.
  TEST_EQ(flex->size(), 4);  // Encoded FlexBuffer bytes.
  // However, if you actually want to access the nested data, this is a
  // convenient accessor that directly gives you the root value:
  TEST_EQ(monster->flex_flexbuffer_root().AsInt16(), 1234);

// Test vector of enums:
  auto colors = monster->vector_of_enums();
  if (colors) {
    TEST_EQ(colors->size(), 2);
    TEST_EQ(colors->Get(0), Color_Blue);
    TEST_EQ(colors->Get(1), Color_Green);
  }

// Since Flatbuffers uses explicit mechanisms to override the default
  // compiler alignment, double check that the compiler indeed obeys them:
  // (Test consists of a short and byte):
  TEST_EQ(flatbuffers::AlignOf<Test>(), 2UL);
  TEST_EQ(sizeof(Test), 4UL);

const flatbuffers::Vector<const Test *> *tests_array[] = {
    monster->test4(),
    monster->test5(),
  };
  for (size_t i = 0; i < sizeof(tests_array) / sizeof(tests_array[0]); ++i) {
    auto tests = tests_array[i];
    TEST_NOTNULL(tests);
    auto test_0 = tests->Get(0);
    auto test_1 = tests->Get(1);
    TEST_EQ(test_0->a(), 10);
    TEST_EQ(test_0->b(), 20);
    TEST_EQ(test_1->a(), 30);
    TEST_EQ(test_1->b(), 40);
    for (auto it = tests->begin(); it != tests->end(); ++it) {
      TEST_EQ(it->a() == 10 || it->a() == 30, true);  // Just testing iterators.
    }
  }

// Checking for presence of fields:
  TEST_EQ(flatbuffers::IsFieldPresent(monster, Monster::VT_HP), true);
  TEST_EQ(flatbuffers::IsFieldPresent(monster, Monster::VT_MANA), false);

// Obtaining a buffer from a root:
  TEST_EQ(GetBufferStartFromRootPointer(monster), flatbuf);
}

// Change a FlatBuffer in-place, after it has been constructed.
void MutateFlatBuffersTest(uint8_t *flatbuf, std::size_t length) {
  // Get non-const pointer to root.
  auto monster = GetMutableMonster(flatbuf);

// Each of these tests mutates, then tests, then set back to the original,
  // so we can test that the buffer in the end still passes our original test.
  auto hp_ok = monster->mutate_hp(10);
  TEST_EQ(hp_ok, true);  // Field was present.
  TEST_EQ(monster->hp(), 10);
  // Mutate to default value
  auto hp_ok_default = monster->mutate_hp(100);
  TEST_EQ(hp_ok_default, true);  // Field was present.
  TEST_EQ(monster->hp(), 100);
  // Test that mutate to default above keeps field valid for further mutations
  auto hp_ok_2 = monster->mutate_hp(20);
  TEST_EQ(hp_ok_2, true);
  TEST_EQ(monster->hp(), 20);
  monster->mutate_hp(80);

// Monster originally at 150 mana (default value)
  auto mana_default_ok = monster->mutate_mana(150);  // Mutate to default value.
  TEST_EQ(mana_default_ok,
          true);  // Mutation should succeed, because default value.
  TEST_EQ(monster->mana(), 150);
  auto mana_ok = monster->mutate_mana(10);
  TEST_EQ(mana_ok, false);  // Field was NOT present, because default value.
  TEST_EQ(monster->mana(), 150);

// Mutate structs.
  auto pos = monster->mutable_pos();
  auto test3 = pos->mutable_test3();  // Struct inside a struct.
  test3.mutate_a(50);                 // Struct fields never fail.
  TEST_EQ(test3.a(), 50);
  test3.mutate_a(10);

// Mutate vectors.
  auto inventory = monster->mutable_inventory();
  inventory->Mutate(9, 100);
  TEST_EQ(inventory->Get(9), 100);
  inventory->Mutate(9, 9);

auto tables = monster->mutable_testarrayoftables();
  auto first = tables->GetMutableObject(0);
  TEST_EQ(first->hp(), 1000);
  first->mutate_hp(0);
  TEST_EQ(first->hp(), 0);
  first->mutate_hp(1000);

// Run the verifier and the regular test to make sure we didn't trample on
  // anything.
  AccessFlatBufferTest(flatbuf, length);
}

// Unpack a FlatBuffer into objects.
void ObjectFlatBuffersTest(uint8_t *flatbuf) {
  // Optional: we can specify resolver and rehasher functions to turn hashed
  // strings into object pointers and back, to implement remote references
  // and such.
  auto resolver = flatbuffers::resolver_function_t(
      [](void **pointer_adr, flatbuffers::hash_value_t hash) {
        (void)pointer_adr;
        (void)hash;
        // Don't actually do anything, leave variable null.
      });
  auto rehasher = flatbuffers::rehasher_function_t(
      [](void *pointer) -> flatbuffers::hash_value_t {
        (void)pointer;
        return 0;
      });

// Turn a buffer into C++ objects.
  auto monster1 = UnPackMonster(flatbuf, &resolver);

// Re-serialize the data.
  flatbuffers::FlatBufferBuilder fbb1;
  fbb1.Finish(CreateMonster(fbb1, monster1.get(), &rehasher),
              MonsterIdentifier());

// Unpack again, and re-serialize again.
  auto monster2 = UnPackMonster(fbb1.GetBufferPointer(), &resolver);
  flatbuffers::FlatBufferBuilder fbb2;
  fbb2.Finish(CreateMonster(fbb2, monster2.get(), &rehasher),
              MonsterIdentifier());

// Now we've gone full round-trip, the two buffers should match.
  auto len1 = fbb1.GetSize();
  auto len2 = fbb2.GetSize();
  TEST_EQ(len1, len2);
  TEST_EQ(memcmp(fbb1.GetBufferPointer(), fbb2.GetBufferPointer(), len1), 0);

// Test it with the original buffer test to make sure all data survived.
  AccessFlatBufferTest(fbb2.GetBufferPointer(), len2, false);

// Test accessing fields, similar to AccessFlatBufferTest above.
  TEST_EQ(monster2->hp, 80);
  TEST_EQ(monster2->mana, 150);  // default
  TEST_EQ_STR(monster2->name.c_str(), "MyMonster");

auto &pos = monster2->pos;
  TEST_NOTNULL(pos);
  TEST_EQ(pos->z(), 3);
  TEST_EQ(pos->test3().a(), 10);
  TEST_EQ(pos->test3().b(), 20);

auto &inventory = monster2->inventory;
  TEST_EQ(inventory.size(), 10UL);
  unsigned char inv_data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
  for (auto it = inventory.begin(); it != inventory.end(); ++it)
    TEST_EQ(*it, inv_data[it - inventory.begin()]);

TEST_EQ(monster2->color, Color_Blue);

auto monster3 = monster2->test.AsMonster();
  TEST_NOTNULL(monster3);
  TEST_EQ_STR(monster3->name.c_str(), "Fred");

auto &vecofstrings = monster2->testarrayofstring;
  TEST_EQ(vecofstrings.size(), 4U);
  TEST_EQ_STR(vecofstrings[0].c_str(), "bob");
  TEST_EQ_STR(vecofstrings[1].c_str(), "fred");

auto &vecofstrings2 = monster2->testarrayofstring2;
  TEST_EQ(vecofstrings2.size(), 2U);
  TEST_EQ_STR(vecofstrings2[0].c_str(), "jane");
  TEST_EQ_STR(vecofstrings2[1].c_str(), "mary");

auto &vecoftables = monster2->testarrayoftables;
  TEST_EQ(vecoftables.size(), 3U);
  TEST_EQ_STR(vecoftables[0]->name.c_str(), "Barney");
  TEST_EQ(vecoftables[0]->hp, 1000);
  TEST_EQ_STR(vecoftables[1]->name.c_str(), "Fred");
  TEST_EQ_STR(vecoftables[2]->name.c_str(), "Wilma");

auto &tests = monster2->test4;
  TEST_EQ(tests[0].a(), 10);
  TEST_EQ(tests[0].b(), 20);
  TEST_EQ(tests[1].a(), 30);
  TEST_EQ(tests[1].b(), 40);
}

// Prefix a FlatBuffer with a size field.
void SizePrefixedTest() {
  // Create size prefixed buffer.
  flatbuffers::FlatBufferBuilder fbb;
  FinishSizePrefixedMonsterBuffer(
      fbb,
      CreateMonster(fbb, 0, 200, 300, fbb.CreateString("bob")));

// Verify it.
  flatbuffers::Verifier verifier(fbb.GetBufferPointer(), fbb.GetSize());
  TEST_EQ(VerifySizePrefixedMonsterBuffer(verifier), true);

// Access it.
  auto m = GetSizePrefixedMonster(fbb.GetBufferPointer());
  TEST_EQ(m->mana(), 200);
  TEST_EQ(m->hp(), 300);
  TEST_EQ_STR(m->name()->c_str(), "bob");
}

void TriviallyCopyableTest() {
  // clang-format off
  #if __GNUG__ && __GNUC__ < 5
    TEST_EQ(__has_trivial_copy(Vec3), true);
  #else
    #if __cplusplus >= 201103L
      TEST_EQ(std::is_trivially_copyable<Vec3>::value, true);
    #endif
  #endif
  // clang-format on
}

// Check stringify of an default enum value to json
void JsonDefaultTest() {
  // load FlatBuffer schema (.fbs) from disk
  std::string schemafile;
  TEST_EQ(flatbuffers::LoadFile((test_data_path + "monster_test.fbs").c_str(),
                                false, &schemafile), true);
  // parse schema first, so we can use it to parse the data after
  flatbuffers::Parser parser;
  auto include_test_path =
      flatbuffers::ConCatPathFileName(test_data_path, "include_test");
  const char *include_directories[] = { test_data_path.c_str(),
                                        include_test_path.c_str(), nullptr };

TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
  // create incomplete monster and store to json
  parser.opts.output_default_scalars_in_json = true;
  parser.opts.output_enum_identifiers = true;
  flatbuffers::FlatBufferBuilder builder;
  auto name = builder.CreateString("default_enum");
  MonsterBuilder color_monster(builder);
  color_monster.add_name(name);
  FinishMonsterBuffer(builder, color_monster.Finish());
  std::string jsongen;
  auto result = GenerateText(parser, builder.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);
  // default value of the "color" field is Blue
  TEST_EQ(std::string::npos != jsongen.find("color: \"Blue\""), true);
  // default value of the "testf" field is 3.14159
  TEST_EQ(std::string::npos != jsongen.find("testf: 3.14159"), true);
}

void JsonEnumsTest() {
  // load FlatBuffer schema (.fbs) from disk
  std::string schemafile;
  TEST_EQ(flatbuffers::LoadFile((test_data_path + "monster_test.fbs").c_str(),
                                false, &schemafile),
          true);
  // parse schema first, so we can use it to parse the data after
  flatbuffers::Parser parser;
  auto include_test_path =
      flatbuffers::ConCatPathFileName(test_data_path, "include_test");
  const char *include_directories[] = { test_data_path.c_str(),
                                        include_test_path.c_str(), nullptr };
  parser.opts.output_enum_identifiers = true;
  TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
  flatbuffers::FlatBufferBuilder builder;
  auto name = builder.CreateString("bitflag_enum");
  MonsterBuilder color_monster(builder);
  color_monster.add_name(name);
  color_monster.add_color(Color(Color_Blue | Color_Red));
  FinishMonsterBuffer(builder, color_monster.Finish());
  std::string jsongen;
  auto result = GenerateText(parser, builder.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);
  TEST_EQ(std::string::npos != jsongen.find("color: \"Red Blue\""), true);
}

#if defined(FLATBUFFERS_HAS_NEW_STRTOD) && (FLATBUFFERS_HAS_NEW_STRTOD > 0)
// The IEEE-754 quiet_NaN is not simple binary constant.
// All binary NaN bit strings have all the bits of the biased exponent field E
// set to 1. A quiet NaN bit string should be encoded with the first bit d[1]
// of the trailing significand field T being 1 (d[0] is implicit bit).
// It is assumed that endianness of floating-point is same as integer.
template<typename T, typename U, U qnan_base> bool is_quiet_nan_impl(T v) {
  static_assert(sizeof(T) == sizeof(U), "unexpected");
  U b = 0;
  std::memcpy(&b, &v, sizeof(T));
  return ((b & qnan_base) == qnan_base);
}
static bool is_quiet_nan(float v) {
  return is_quiet_nan_impl<float, uint32_t, 0x7FC00000u>(v);
}
static bool is_quiet_nan(double v) {
  return is_quiet_nan_impl<double, uint64_t, 0x7FF8000000000000ul>(v);
}

void TestMonsterExtraFloats() {
  TEST_EQ(is_quiet_nan(1.0), false);
  TEST_EQ(is_quiet_nan(infinityd), false);
  TEST_EQ(is_quiet_nan(-infinityf), false);
  TEST_EQ(is_quiet_nan(std::numeric_limits<float>::quiet_NaN()), true);
  TEST_EQ(is_quiet_nan(std::numeric_limits<double>::quiet_NaN()), true);

using namespace flatbuffers;
  using namespace MyGame;
  // Load FlatBuffer schema (.fbs) from disk.
  std::string schemafile;
  TEST_EQ(LoadFile((test_data_path + "monster_extra.fbs").c_str(), false,
                   &schemafile),
          true);
  // Parse schema first, so we can use it to parse the data after.
  Parser parser;
  auto include_test_path = ConCatPathFileName(test_data_path, "include_test");
  const char *include_directories[] = { test_data_path.c_str(),
                                        include_test_path.c_str(), nullptr };
  TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
  // Create empty extra and store to json.
  parser.opts.output_default_scalars_in_json = true;
  parser.opts.output_enum_identifiers = true;
  FlatBufferBuilder builder;
  const auto def_root = MonsterExtraBuilder(builder).Finish();
  FinishMonsterExtraBuffer(builder, def_root);
  const auto def_obj = builder.GetBufferPointer();
  const auto def_extra = GetMonsterExtra(def_obj);
  TEST_NOTNULL(def_extra);
  TEST_EQ(is_quiet_nan(def_extra->f0()), true);
  TEST_EQ(is_quiet_nan(def_extra->f1()), true);
  TEST_EQ(def_extra->f2(), +infinityf);
  TEST_EQ(def_extra->f3(), -infinityf);
  TEST_EQ(is_quiet_nan(def_extra->d0()), true);
  TEST_EQ(is_quiet_nan(def_extra->d1()), true);
  TEST_EQ(def_extra->d2(), +infinityd);
  TEST_EQ(def_extra->d3(), -infinityd);
  std::string jsongen;
  auto result = GenerateText(parser, def_obj, &jsongen);
  TEST_EQ(result, true);
  // Check expected default values.
  TEST_EQ(std::string::npos != jsongen.find("f0: nan"), true);
  TEST_EQ(std::string::npos != jsongen.find("f1: nan"), true);
  TEST_EQ(std::string::npos != jsongen.find("f2: inf"), true);
  TEST_EQ(std::string::npos != jsongen.find("f3: -inf"), true);
  TEST_EQ(std::string::npos != jsongen.find("d0: nan"), true);
  TEST_EQ(std::string::npos != jsongen.find("d1: nan"), true);
  TEST_EQ(std::string::npos != jsongen.find("d2: inf"), true);
  TEST_EQ(std::string::npos != jsongen.find("d3: -inf"), true);
  // Parse 'mosterdata_extra.json'.
  const auto extra_base = test_data_path + "monsterdata_extra";
  jsongen = "";
  TEST_EQ(LoadFile((extra_base + ".json").c_str(), false, &jsongen), true);
  TEST_EQ(parser.Parse(jsongen.c_str()), true);
  const auto test_file = parser.builder_.GetBufferPointer();
  const auto test_size = parser.builder_.GetSize();
  Verifier verifier(test_file, test_size);
  TEST_ASSERT(VerifyMonsterExtraBuffer(verifier));
  const auto extra = GetMonsterExtra(test_file);
  TEST_NOTNULL(extra);
  TEST_EQ(is_quiet_nan(extra->f0()), true);
  TEST_EQ(is_quiet_nan(extra->f1()), true);
  TEST_EQ(extra->f2(), +infinityf);
  TEST_EQ(extra->f3(), -infinityf);
  TEST_EQ(is_quiet_nan(extra->d0()), true);
  TEST_EQ(extra->d1(), +infinityd);
  TEST_EQ(extra->d2(), -infinityd);
  TEST_EQ(is_quiet_nan(extra->d3()), true);
  TEST_NOTNULL(extra->fvec());
  TEST_EQ(extra->fvec()->size(), 4);
  TEST_EQ(extra->fvec()->Get(0), 1.0f);
  TEST_EQ(extra->fvec()->Get(1), -infinityf);
  TEST_EQ(extra->fvec()->Get(2), +infinityf);
  TEST_EQ(is_quiet_nan(extra->fvec()->Get(3)), true);
  TEST_NOTNULL(extra->dvec());
  TEST_EQ(extra->dvec()->size(), 4);
  TEST_EQ(extra->dvec()->Get(0), 2.0);
  TEST_EQ(extra->dvec()->Get(1), +infinityd);
  TEST_EQ(extra->dvec()->Get(2), -infinityd);
  TEST_EQ(is_quiet_nan(extra->dvec()->Get(3)), true);
}
#else
void TestMonsterExtraFloats() {}
#endif

// example of parsing text straight into a buffer, and generating
// text back from it:
void ParseAndGenerateTextTest(bool binary) {
  // load FlatBuffer schema (.fbs) and JSON from disk
  std::string schemafile;
  std::string jsonfile;
  TEST_EQ(flatbuffers::LoadFile(
              (test_data_path + "monster_test." + (binary ? "bfbs" : "fbs"))
                  .c_str(),
              binary, &schemafile),
          true);
  TEST_EQ(flatbuffers::LoadFile(
              (test_data_path + "monsterdata_test.golden").c_str(), false,
              &jsonfile),
          true);

auto include_test_path =
    flatbuffers::ConCatPathFileName(test_data_path, "include_test");
  const char *include_directories[] = { test_data_path.c_str(),
                                        include_test_path.c_str(), nullptr };

// parse schema first, so we can use it to parse the data after
  flatbuffers::Parser parser;
  if (binary) {
    flatbuffers::Verifier verifier(
        reinterpret_cast<const uint8_t *>(schemafile.c_str()),
        schemafile.size());
    TEST_EQ(reflection::VerifySchemaBuffer(verifier), true);
    //auto schema = reflection::GetSchema(schemafile.c_str());
    TEST_EQ(parser.Deserialize((const uint8_t *)schemafile.c_str(), schemafile.size()), true);
  } else {
    TEST_EQ(parser.Parse(schemafile.c_str(), include_directories), true);
  }
  TEST_EQ(parser.Parse(jsonfile.c_str(), include_directories), true);

// here, parser.builder_ contains a binary buffer that is the parsed data.

// First, verify it, just in case:
  flatbuffers::Verifier verifier(parser.builder_.GetBufferPointer(),
                                 parser.builder_.GetSize());
  TEST_EQ(VerifyMonsterBuffer(verifier), true);

AccessFlatBufferTest(parser.builder_.GetBufferPointer(),
                       parser.builder_.GetSize(), false);

// to ensure it is correct, we now generate text back from the binary,
  // and compare the two:
  std::string jsongen;
  auto result =
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(jsongen.c_str(), jsonfile.c_str());

// We can also do the above using the convenient Registry that knows about
  // a set of file_identifiers mapped to schemas.
  flatbuffers::Registry registry;
  // Make sure schemas can find their includes.
  registry.AddIncludeDirectory(test_data_path.c_str());
  registry.AddIncludeDirectory(include_test_path.c_str());
  // Call this with many schemas if possible.
  registry.Register(MonsterIdentifier(),
                    (test_data_path + "monster_test.fbs").c_str());
  // Now we got this set up, we can parse by just specifying the identifier,
  // the correct schema will be loaded on the fly:
  auto buf = registry.TextToFlatBuffer(jsonfile.c_str(), MonsterIdentifier());
  // If this fails, check registry.lasterror_.
  TEST_NOTNULL(buf.data());
  // Test the buffer, to be sure:
  AccessFlatBufferTest(buf.data(), buf.size(), false);
  // We can use the registry to turn this back into text, in this case it
  // will get the file_identifier from the binary:
  std::string text;
  auto ok = registry.FlatBufferToText(buf.data(), buf.size(), &text);
  // If this fails, check registry.lasterror_.
  TEST_EQ(ok, true);
  TEST_EQ_STR(text.c_str(), jsonfile.c_str());

// Generate text for UTF-8 strings without escapes.
  std::string jsonfile_utf8;
  TEST_EQ(flatbuffers::LoadFile((test_data_path + "unicode_test.json").c_str(),
                                false, &jsonfile_utf8),
          true);
  TEST_EQ(parser.Parse(jsonfile_utf8.c_str(), include_directories), true);
  // To ensure it is correct, generate utf-8 text back from the binary.
  std::string jsongen_utf8;
  // request natural printing for utf-8 strings
  parser.opts.natural_utf8 = true;
  parser.opts.strict_json = true;
  TEST_EQ(
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen_utf8),
      true);
  TEST_EQ_STR(jsongen_utf8.c_str(), jsonfile_utf8.c_str());
}

void ReflectionTest(uint8_t *flatbuf, size_t length) {
  // Load a binary schema.
  std::string bfbsfile;
  TEST_EQ(flatbuffers::LoadFile((test_data_path + "monster_test.bfbs").c_str(),
                                true, &bfbsfile),
          true);

// Verify it, just in case:
  flatbuffers::Verifier verifier(
      reinterpret_cast<const uint8_t *>(bfbsfile.c_str()), bfbsfile.length());
  TEST_EQ(reflection::VerifySchemaBuffer(verifier), true);

// Make sure the schema is what we expect it to be.
  auto &schema = *reflection::GetSchema(bfbsfile.c_str());
  auto root_table = schema.root_table();
  TEST_EQ_STR(root_table->name()->c_str(), "MyGame.Example.Monster");
  auto fields = root_table->fields();
  auto hp_field_ptr = fields->LookupByKey("hp");
  TEST_NOTNULL(hp_field_ptr);
  auto &hp_field = *hp_field_ptr;
  TEST_EQ_STR(hp_field.name()->c_str(), "hp");
  TEST_EQ(hp_field.id(), 2);
  TEST_EQ(hp_field.type()->base_type(), reflection::Short);
  auto friendly_field_ptr = fields->LookupByKey("friendly");
  TEST_NOTNULL(friendly_field_ptr);
  TEST_NOTNULL(friendly_field_ptr->attributes());
  TEST_NOTNULL(friendly_field_ptr->attributes()->LookupByKey("priority"));

// Make sure the table index is what we expect it to be.
  auto pos_field_ptr = fields->LookupByKey("pos");
  TEST_NOTNULL(pos_field_ptr);
  TEST_EQ(pos_field_ptr->type()->base_type(), reflection::Obj);
  auto pos_table_ptr = schema.objects()->Get(pos_field_ptr->type()->index());
  TEST_NOTNULL(pos_table_ptr);
  TEST_EQ_STR(pos_table_ptr->name()->c_str(), "MyGame.Example.Vec3");

// Now use it to dynamically access a buffer.
  auto &root = *flatbuffers::GetAnyRoot(flatbuf);

// Verify the buffer first using reflection based verification
  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(), flatbuf, length),
          true);

auto hp = flatbuffers::GetFieldI<uint16_t>(root, hp_field);
  TEST_EQ(hp, 80);

// Rather than needing to know the type, we can also get the value of
  // any field as an int64_t/double/string, regardless of what it actually is.
  auto hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
  TEST_EQ(hp_int64, 80);
  auto hp_double = flatbuffers::GetAnyFieldF(root, hp_field);
  TEST_EQ(hp_double, 80.0);
  auto hp_string = flatbuffers::GetAnyFieldS(root, hp_field, &schema);
  TEST_EQ_STR(hp_string.c_str(), "80");

// Get struct field through reflection
  auto pos_struct = flatbuffers::GetFieldStruct(root, *pos_field_ptr);
  TEST_NOTNULL(pos_struct);
  TEST_EQ(flatbuffers::GetAnyFieldF(*pos_struct,
                                    *pos_table_ptr->fields()->LookupByKey("z")),
          3.0f);

auto test3_field = pos_table_ptr->fields()->LookupByKey("test3");
  auto test3_struct = flatbuffers::GetFieldStruct(*pos_struct, *test3_field);
  TEST_NOTNULL(test3_struct);
  auto test3_object = schema.objects()->Get(test3_field->type()->index());

TEST_EQ(flatbuffers::GetAnyFieldF(*test3_struct,
                                    *test3_object->fields()->LookupByKey("a")),
          10);

// We can also modify it.
  flatbuffers::SetField<uint16_t>(&root, hp_field, 200);
  hp = flatbuffers::GetFieldI<uint16_t>(root, hp_field);
  TEST_EQ(hp, 200);

// We can also set fields generically:
  flatbuffers::SetAnyFieldI(&root, hp_field, 300);
  hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
  TEST_EQ(hp_int64, 300);
  flatbuffers::SetAnyFieldF(&root, hp_field, 300.5);
  hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
  TEST_EQ(hp_int64, 300);
  flatbuffers::SetAnyFieldS(&root, hp_field, "300");
  hp_int64 = flatbuffers::GetAnyFieldI(root, hp_field);
  TEST_EQ(hp_int64, 300);

// Test buffer is valid after the modifications
  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(), flatbuf, length),
          true);

// Reset it, for further tests.
  flatbuffers::SetField<uint16_t>(&root, hp_field, 80);

// More advanced functionality: changing the size of items in-line!
  // First we put the FlatBuffer inside an std::vector.
  std::vector<uint8_t> resizingbuf(flatbuf, flatbuf + length);
  // Find the field we want to modify.
  auto &name_field = *fields->LookupByKey("name");
  // Get the root.
  // This time we wrap the result from GetAnyRoot in a smartpointer that
  // will keep rroot valid as resizingbuf resizes.
  auto rroot = flatbuffers::piv(
      flatbuffers::GetAnyRoot(flatbuffers::vector_data(resizingbuf)),
      resizingbuf);
  SetString(schema, "totally new string", GetFieldS(**rroot, name_field),
            &resizingbuf);
  // Here resizingbuf has changed, but rroot is still valid.
  TEST_EQ_STR(GetFieldS(**rroot, name_field)->c_str(), "totally new string");
  // Now lets extend a vector by 100 elements (10 -> 110).
  auto &inventory_field = *fields->LookupByKey("inventory");
  auto rinventory = flatbuffers::piv(
      flatbuffers::GetFieldV<uint8_t>(**rroot, inventory_field), resizingbuf);
  flatbuffers::ResizeVector<uint8_t>(schema, 110, 50, *rinventory,
                                     &resizingbuf);
  // rinventory still valid, so lets read from it.
  TEST_EQ(rinventory->Get(10), 50);

// For reflection uses not covered already, there is a more powerful way:
  // we can simply generate whatever object we want to add/modify in a
  // FlatBuffer of its own, then add that to an existing FlatBuffer:
  // As an example, let's add a string to an array of strings.
  // First, find our field:
  auto &testarrayofstring_field = *fields->LookupByKey("testarrayofstring");
  // Find the vector value:
  auto rtestarrayofstring = flatbuffers::piv(
      flatbuffers::GetFieldV<flatbuffers::Offset<flatbuffers::String>>(
          **rroot, testarrayofstring_field),
      resizingbuf);
  // It's a vector of 2 strings, to which we add one more, initialized to
  // offset 0.
  flatbuffers::ResizeVector<flatbuffers::Offset<flatbuffers::String>>(
      schema, 3, 0, *rtestarrayofstring, &resizingbuf);
  // Here we just create a buffer that contans a single string, but this
  // could also be any complex set of tables and other values.
  flatbuffers::FlatBufferBuilder stringfbb;
  stringfbb.Finish(stringfbb.CreateString("hank"));
  // Add the contents of it to our existing FlatBuffer.
  // We do this last, so the pointer doesn't get invalidated (since it is
  // at the end of the buffer):
  auto string_ptr = flatbuffers::AddFlatBuffer(
      resizingbuf, stringfbb.GetBufferPointer(), stringfbb.GetSize());
  // Finally, set the new value in the vector.
  rtestarrayofstring->MutateOffset(2, string_ptr);
  TEST_EQ_STR(rtestarrayofstring->Get(0)->c_str(), "bob");
  TEST_EQ_STR(rtestarrayofstring->Get(2)->c_str(), "hank");
  // Test integrity of all resize operations above.
  flatbuffers::Verifier resize_verifier(
      reinterpret_cast<const uint8_t *>(flatbuffers::vector_data(resizingbuf)),
      resizingbuf.size());
  TEST_EQ(VerifyMonsterBuffer(resize_verifier), true);

// Test buffer is valid using reflection as well
  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(),
                              flatbuffers::vector_data(resizingbuf),
                              resizingbuf.size()),
          true);

// As an additional test, also set it on the name field.
  // Note: unlike the name change above, this just overwrites the offset,
  // rather than changing the string in-place.
  SetFieldT(*rroot, name_field, string_ptr);
  TEST_EQ_STR(GetFieldS(**rroot, name_field)->c_str(), "hank");

// Using reflection, rather than mutating binary FlatBuffers, we can also copy
  // tables and other things out of other FlatBuffers into a FlatBufferBuilder,
  // either part or whole.
  flatbuffers::FlatBufferBuilder fbb;
  auto root_offset = flatbuffers::CopyTable(
      fbb, schema, *root_table, *flatbuffers::GetAnyRoot(flatbuf), true);
  fbb.Finish(root_offset, MonsterIdentifier());
  // Test that it was copied correctly:
  AccessFlatBufferTest(fbb.GetBufferPointer(), fbb.GetSize());

// Test buffer is valid using reflection as well
  TEST_EQ(flatbuffers::Verify(schema, *schema.root_table(),
                              fbb.GetBufferPointer(), fbb.GetSize()),
          true);
}

void MiniReflectFlatBuffersTest(uint8_t *flatbuf) {
  auto s = flatbuffers::FlatBufferToString(flatbuf, Monster::MiniReflectTypeTable());
  TEST_EQ_STR(
      s.c_str(),
      "{ "
      "pos: { x: 1.0, y: 2.0, z: 3.0, test1: 0.0, test2: Red, test3: "
      "{ a: 10, b: 20 } }, "
      "hp: 80, "
      "name: \"MyMonster\", "
      "inventory: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 ], "
      "test_type: Monster, "
      "test: { name: \"Fred\" }, "
      "test4: [ { a: 10, b: 20 }, { a: 30, b: 40 } ], "
      "testarrayofstring: [ \"bob\", \"fred\", \"bob\", \"fred\" ], "
      "testarrayoftables: [ { hp: 1000, name: \"Barney\" }, { name: \"Fred\" "
      "}, "
      "{ name: \"Wilma\" } ], "
      // TODO(wvo): should really print this nested buffer correctly.
      "testnestedflatbuffer: [ 20, 0, 0, 0, 77, 79, 78, 83, 12, 0, 12, 0, 0, "
      "0, "
      "4, 0, 6, 0, 8, 0, 12, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 13, 0, 0, 0, 78, "
      "101, 115, 116, 101, 100, 77, 111, 110, 115, 116, 101, 114, 0, 0, 0 ], "
      "testarrayofstring2: [ \"jane\", \"mary\" ], "
      "testarrayofsortedstruct: [ { id: 1, distance: 10 }, "
      "{ id: 2, distance: 20 }, { id: 3, distance: 30 }, "
      "{ id: 4, distance: 40 } ], "
      "flex: [ 210, 4, 5, 2 ], "
      "test5: [ { a: 10, b: 20 }, { a: 30, b: 40 } ], "
      "vector_of_enums: [ Blue, Green ] "
      "}");

Test test(16, 32);
  Vec3 vec(1,2,3, 1.5, Color_Red, test);
  flatbuffers::FlatBufferBuilder vec_builder;
  vec_builder.Finish(vec_builder.CreateStruct(vec));
  auto vec_buffer = vec_builder.Release();
  auto vec_str = flatbuffers::FlatBufferToString(vec_buffer.data(),
                                                 Vec3::MiniReflectTypeTable());
  TEST_EQ_STR(
      vec_str.c_str(),
      "{ x: 1.0, y: 2.0, z: 3.0, test1: 1.5, test2: Red, test3: { a: 16, b: 32 } }");
}

// Parse a .proto schema, output as .fbs
void ParseProtoTest() {
  // load the .proto and the golden file from disk
  std::string protofile;
  std::string goldenfile;
  std::string goldenunionfile;
  TEST_EQ(
      flatbuffers::LoadFile((test_data_path + "prototest/test.proto").c_str(),
                            false, &protofile),
      true);
  TEST_EQ(
      flatbuffers::LoadFile((test_data_path + "prototest/test.golden").c_str(),
                            false, &goldenfile),
      true);
  TEST_EQ(
      flatbuffers::LoadFile((test_data_path +
                            "prototest/test_union.golden").c_str(),
                            false, &goldenunionfile),
      true);

flatbuffers::IDLOptions opts;
  opts.include_dependence_headers = false;
  opts.proto_mode = true;

// Parse proto.
  flatbuffers::Parser parser(opts);
  auto protopath = test_data_path + "prototest/";
  const char *include_directories[] = { protopath.c_str(), nullptr };
  TEST_EQ(parser.Parse(protofile.c_str(), include_directories), true);

// Generate fbs.
  auto fbs = flatbuffers::GenerateFBS(parser, "test");

// Ensure generated file is parsable.
  flatbuffers::Parser parser2;
  TEST_EQ(parser2.Parse(fbs.c_str(), nullptr), true);
  TEST_EQ_STR(fbs.c_str(), goldenfile.c_str());

// Parse proto with --oneof-union option.
  opts.proto_oneof_union = true;
  flatbuffers::Parser parser3(opts);
  TEST_EQ(parser3.Parse(protofile.c_str(), include_directories), true);

// Generate fbs.
  auto fbs_union = flatbuffers::GenerateFBS(parser3, "test");

// Ensure generated file is parsable.
  flatbuffers::Parser parser4;
  TEST_EQ(parser4.Parse(fbs_union.c_str(), nullptr), true);
  TEST_EQ_STR(fbs_union.c_str(), goldenunionfile.c_str());
}

template<typename T>
void CompareTableFieldValue(flatbuffers::Table *table,
                            flatbuffers::voffset_t voffset, T val) {
  T read = table->GetField(voffset, static_cast<T>(0));
  TEST_EQ(read, val);
}

// Low level stress/fuzz test: serialize/deserialize a variety of
// different kinds of data in different combinations
void FuzzTest1() {
  // Values we're testing against: chosen to ensure no bits get chopped
  // off anywhere, and also be different from eachother.
  const uint8_t bool_val = true;
  const int8_t char_val = -127;  // 0x81
  const uint8_t uchar_val = 0xFF;
  const int16_t short_val = -32222;  // 0x8222;
  const uint16_t ushort_val = 0xFEEE;
  const int32_t int_val = 0x83333333;
  const uint32_t uint_val = 0xFDDDDDDD;
  const int64_t long_val = 0x8444444444444444LL;
  const uint64_t ulong_val = 0xFCCCCCCCCCCCCCCCULL;
  const float float_val = 3.14159f;
  const double double_val = 3.14159265359;

const int test_values_max = 11;
  const flatbuffers::voffset_t fields_per_object = 4;
  const int num_fuzz_objects = 10000;  // The higher, the more thorough :)

flatbuffers::FlatBufferBuilder builder;

lcg_reset();  // Keep it deterministic.

flatbuffers::uoffset_t objects[num_fuzz_objects];

// Generate num_fuzz_objects random objects each consisting of
  // fields_per_object fields, each of a random type.
  for (int i = 0; i < num_fuzz_objects; i++) {
    auto start = builder.StartTable();
    for (flatbuffers::voffset_t f = 0; f < fields_per_object; f++) {
      int choice = lcg_rand() % test_values_max;
      auto off = flatbuffers::FieldIndexToOffset(f);
      switch (choice) {
        case 0: builder.AddElement<uint8_t>(off, bool_val, 0); break;
        case 1: builder.AddElement<int8_t>(off, char_val, 0); break;
        case 2: builder.AddElement<uint8_t>(off, uchar_val, 0); break;
        case 3: builder.AddElement<int16_t>(off, short_val, 0); break;
        case 4: builder.AddElement<uint16_t>(off, ushort_val, 0); break;
        case 5: builder.AddElement<int32_t>(off, int_val, 0); break;
        case 6: builder.AddElement<uint32_t>(off, uint_val, 0); break;
        case 7: builder.AddElement<int64_t>(off, long_val, 0); break;
        case 8: builder.AddElement<uint64_t>(off, ulong_val, 0); break;
        case 9: builder.AddElement<float>(off, float_val, 0); break;
        case 10: builder.AddElement<double>(off, double_val, 0); break;
      }
    }
    objects[i] = builder.EndTable(start);
  }
  builder.PreAlign<flatbuffers::largest_scalar_t>(0);  // Align whole buffer.

lcg_reset();  // Reset.

uint8_t *eob = builder.GetCurrentBufferPointer() + builder.GetSize();

// Test that all objects we generated are readable and return the
  // expected values. We generate random objects in the same order
  // so this is deterministic.
  for (int i = 0; i < num_fuzz_objects; i++) {
    auto table = reinterpret_cast<flatbuffers::Table *>(eob - objects[i]);
    for (flatbuffers::voffset_t f = 0; f < fields_per_object; f++) {
      int choice = lcg_rand() % test_values_max;
      flatbuffers::voffset_t off = flatbuffers::FieldIndexToOffset(f);
      switch (choice) {
        case 0: CompareTableFieldValue(table, off, bool_val); break;
        case 1: CompareTableFieldValue(table, off, char_val); break;
        case 2: CompareTableFieldValue(table, off, uchar_val); break;
        case 3: CompareTableFieldValue(table, off, short_val); break;
        case 4: CompareTableFieldValue(table, off, ushort_val); break;
        case 5: CompareTableFieldValue(table, off, int_val); break;
        case 6: CompareTableFieldValue(table, off, uint_val); break;
        case 7: CompareTableFieldValue(table, off, long_val); break;
        case 8: CompareTableFieldValue(table, off, ulong_val); break;
        case 9: CompareTableFieldValue(table, off, float_val); break;
        case 10: CompareTableFieldValue(table, off, double_val); break;
      }
    }
  }
}

// High level stress/fuzz test: generate a big schema and
// matching json data in random combinations, then parse both,
// generate json back from the binary, and compare with the original.
void FuzzTest2() {
  lcg_reset();  // Keep it deterministic.

const int num_definitions = 30;
  const int num_struct_definitions = 5;  // Subset of num_definitions.
  const int fields_per_definition = 15;
  const int instances_per_definition = 5;
  const int deprecation_rate = 10;  // 1 in deprecation_rate fields will
                                    // be deprecated.

std::string schema = "namespace test;\n\n";

struct RndDef {
    std::string instances[instances_per_definition];

// Since we're generating schema and corresponding data in tandem,
    // this convenience function adds strings to both at once.
    static void Add(RndDef (&definitions_l)[num_definitions],
                    std::string &schema_l, const int instances_per_definition_l,
                    const char *schema_add, const char *instance_add,
                    int definition) {
      schema_l += schema_add;
      for (int i = 0; i < instances_per_definition_l; i++)
        definitions_l[definition].instances[i] += instance_add;
    }
  };

// clang-format off
  #define AddToSchemaAndInstances(schema_add, instance_add) \
    RndDef::Add(definitions, schema, instances_per_definition, \
                schema_add, instance_add, definition)

#define Dummy() \
    RndDef::Add(definitions, schema, instances_per_definition, \
                "byte", "1", definition)
  // clang-format on

RndDef definitions[num_definitions];

// We are going to generate num_definitions, the first
  // num_struct_definitions will be structs, the rest tables. For each
  // generate random fields, some of which may be struct/table types
  // referring to previously generated structs/tables.
  // Simultanenously, we generate instances_per_definition JSON data
  // definitions, which will have identical structure to the schema
  // being generated. We generate multiple instances such that when creating
  // hierarchy, we get some variety by picking one randomly.
  for (int definition = 0; definition < num_definitions; definition++) {
    std::string definition_name = "D" + flatbuffers::NumToString(definition);

bool is_struct = definition < num_struct_definitions;

AddToSchemaAndInstances(
        ((is_struct ? "struct " : "table ") + definition_name + " {\n").c_str(),
        "{\n");

for (int field = 0; field < fields_per_definition; field++) {
      const bool is_last_field = field == fields_per_definition - 1;

// Deprecate 1 in deprecation_rate fields. Only table fields can be
      // deprecated.
      // Don't deprecate the last field to avoid dangling commas in JSON.
      const bool deprecated =
          !is_struct && !is_last_field && (lcg_rand() % deprecation_rate == 0);

std::string field_name = "f" + flatbuffers::NumToString(field);
      AddToSchemaAndInstances(("  " + field_name + ":").c_str(),
                              deprecated ? "" : (field_name + ": ").c_str());
      // Pick random type:
      auto base_type = static_cast<flatbuffers::BaseType>(
          lcg_rand() % (flatbuffers::BASE_TYPE_UNION + 1));
      switch (base_type) {
        case flatbuffers::BASE_TYPE_STRING:
          if (is_struct) {
            Dummy();  // No strings in structs.
          } else {
            AddToSchemaAndInstances("string", deprecated ? "" : "\"hi\"");
          }
          break;
        case flatbuffers::BASE_TYPE_VECTOR:
          if (is_struct) {
            Dummy();  // No vectors in structs.
          } else {
            AddToSchemaAndInstances("[ubyte]",
                                    deprecated ? "" : "[\n0,\n1,\n255\n]");
          }
          break;
        case flatbuffers::BASE_TYPE_NONE:
        case flatbuffers::BASE_TYPE_UTYPE:
        case flatbuffers::BASE_TYPE_STRUCT:
        case flatbuffers::BASE_TYPE_UNION:
          if (definition) {
            // Pick a random previous definition and random data instance of
            // that definition.
            int defref = lcg_rand() % definition;
            int instance = lcg_rand() % instances_per_definition;
            AddToSchemaAndInstances(
                ("D" + flatbuffers::NumToString(defref)).c_str(),
                deprecated ? ""
                           : definitions[defref].instances[instance].c_str());
          } else {
            // If this is the first definition, we have no definition we can
            // refer to.
            Dummy();
          }
          break;
        case flatbuffers::BASE_TYPE_BOOL:
          AddToSchemaAndInstances(
              "bool", deprecated ? "" : (lcg_rand() % 2 ? "true" : "false"));
          break;
        case flatbuffers::BASE_TYPE_ARRAY:
          if (!is_struct) {
            AddToSchemaAndInstances(
                "ubyte",
                deprecated ? "" : "255");  // No fixed-length arrays in tables.
          } else {
            AddToSchemaAndInstances("[int:3]", deprecated ? "" : "[\n,\n,\n]");
          }
          break;
        default:
          // All the scalar types.
          schema += flatbuffers::kTypeNames[base_type];

if (!deprecated) {
            // We want each instance to use its own random value.
            for (int inst = 0; inst < instances_per_definition; inst++)
              definitions[definition].instances[inst] +=
                  flatbuffers::IsFloat(base_type)
                      ? flatbuffers::NumToString<double>(lcg_rand() % 128)
                            .c_str()
                      : flatbuffers::NumToString<int>(lcg_rand() % 128).c_str();
          }
      }
      AddToSchemaAndInstances(deprecated ? "(deprecated);\n" : ";\n",
                              deprecated ? "" : is_last_field ? "\n" : ",\n");
    }
    AddToSchemaAndInstances("}\n\n", "}");
  }

schema += "root_type D" + flatbuffers::NumToString(num_definitions - 1);
  schema += ";\n";

flatbuffers::Parser parser;

// Will not compare against the original if we don't write defaults
  parser.builder_.ForceDefaults(true);

// Parse the schema, parse the generated data, then generate text back
  // from the binary and compare against the original.
  TEST_EQ(parser.Parse(schema.c_str()), true);

const std::string &json =
      definitions[num_definitions - 1].instances[0] + "\n";

TEST_EQ(parser.Parse(json.c_str()), true);

std::string jsongen;
  parser.opts.indent_step = 0;
  auto result =
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);

if (jsongen != json) {
    // These strings are larger than a megabyte, so we show the bytes around
    // the first bytes that are different rather than the whole string.
    size_t len = std::min(json.length(), jsongen.length());
    for (size_t i = 0; i < len; i++) {
      if (json[i] != jsongen[i]) {
        i -= std::min(static_cast<size_t>(10), i);  // show some context;
        size_t end = std::min(len, i + 20);
        for (; i < end; i++)
          TEST_OUTPUT_LINE("at %d: found \"%c\", expected \"%c\"\n",
                           static_cast<int>(i), jsongen[i], json[i]);
        break;
      }
    }
    TEST_NOTNULL(NULL);
  }

// clang-format off
  #ifdef FLATBUFFERS_TEST_VERBOSE
    TEST_OUTPUT_LINE("%dk schema tested with %dk of json\n",
                     static_cast<int>(schema.length() / 1024),
                     static_cast<int>(json.length() / 1024));
  #endif
  // clang-format on
}

// Test that parser errors are actually generated.
void TestError_(const char *src, const char *error_substr, bool strict_json,
                const char *file, int line, const char *func) {
  flatbuffers::IDLOptions opts;
  opts.strict_json = strict_json;
  flatbuffers::Parser parser(opts);
  if (parser.Parse(src)) {
    TestFail("true", "false",
             ("parser.Parse(\"" + std::string(src) + "\")").c_str(), file, line,
             func);
  } else if (!strstr(parser.error_.c_str(), error_substr)) {
    TestFail(parser.error_.c_str(), error_substr,
             ("parser.Parse(\"" + std::string(src) + "\")").c_str(), file, line,
             func);
  }
}

void TestError_(const char *src, const char *error_substr, const char *file,
                int line, const char *func) {
  TestError_(src, error_substr, false, file, line, func);
}

#ifdef _WIN32
#  define TestError(src, ...) \
    TestError_(src, __VA_ARGS__, __FILE__, __LINE__, __FUNCTION__)
#else
#  define TestError(src, ...) \
    TestError_(src, __VA_ARGS__, __FILE__, __LINE__, __PRETTY_FUNCTION__)
#endif

// Test that parsing errors occur as we'd expect.
// Also useful for coverage, making sure these paths are run.
void ErrorTest() {
  // In order they appear in idl_parser.cpp
  TestError("table X { Y:byte; } root_type X; { Y: 999 }", "does not fit");
  TestError("\"\0", "illegal");
  TestError("\"\\q", "escape code");
  TestError("table ///", "documentation");
  TestError("@", "illegal");
  TestError("table 1", "expecting");
  TestError("table X { Y:[[int]]; }", "nested vector");
  TestError("table X { Y:1; }", "illegal type");
  TestError("table X { Y:int; Y:int; }", "field already");
  TestError("table Y {} table X { Y:int; }", "same as table");
  TestError("struct X { Y:string; }", "only scalar");
  TestError("table X { Y:string = \"\"; }", "default values");
  TestError("struct X { a:uint = 42; }", "default values");
  TestError("enum Y:byte { Z = 1 } table X { y:Y; }", "not part of enum");
  TestError("struct X { Y:int (deprecated); }", "deprecate");
  TestError("union Z { X } table X { Y:Z; } root_type X; { Y: {}, A:1 }",
            "missing type field");
  TestError("union Z { X } table X { Y:Z; } root_type X; { Y_type: 99, Y: {",
            "type id");
  TestError("table X { Y:int; } root_type X; { Z:", "unknown field");
  TestError("table X { Y:int; } root_type X; { Y:", "string constant", true);
  TestError("table X { Y:int; } root_type X; { \"Y\":1, }", "string constant",
            true);
  TestError(
      "struct X { Y:int; Z:int; } table W { V:X; } root_type W; "
      "{ V:{ Y:1 } }",
      "wrong number");
  TestError("enum E:byte { A } table X { Y:E; } root_type X; { Y:U }",
            "unknown enum value");
  TestError("table X { Y:byte; } root_type X; { Y:; }", "starting");
  TestError("enum X:byte { Y } enum X {", "enum already");
  TestError("enum X:float {}", "underlying");
  TestError("enum X:byte { Y, Y }", "value already");
  TestError("enum X:byte { Y=2, Z=1 }", "ascending");
  TestError("table X { Y:int; } table X {", "datatype already");
  TestError("struct X (force_align: 7) { Y:int; }", "force_align");
  TestError("struct X {}", "size 0");
  TestError("{}", "no root");
  TestError("table X { Y:byte; } root_type X; { Y:1 } { Y:1 }", "end of file");
  TestError("table X { Y:byte; } root_type X; { Y:1 } table Y{ Z:int }",
            "end of file");
  TestError("root_type X;", "unknown root");
  TestError("struct X { Y:int; } root_type X;", "a table");
  TestError("union X { Y }", "referenced");
  TestError("union Z { X } struct X { Y:int; }", "only tables");
  TestError("table X { Y:[int]; YLength:int; }", "clash");
  TestError("table X { Y:byte; } root_type X; { Y:1, Y:2 }", "more than once");
  // float to integer conversion is forbidden
  TestError("table X { Y:int; } root_type X; { Y:1.0 }", "float");
  TestError("table X { Y:bool; } root_type X; { Y:1.0 }", "float");
  TestError("enum X:bool { Y = true }", "must be integral");
}

template<typename T>
T TestValue(const char *json, const char *type_name,
            const char *decls = nullptr) {
  flatbuffers::Parser parser;
  parser.builder_.ForceDefaults(true);  // return defaults
  auto check_default = json ? false : true;
  if (check_default) { parser.opts.output_default_scalars_in_json = true; }
  // Simple schema.
  std::string schema = std::string(decls ? decls : "") + "\n" +
                       "table X { Y:" + std::string(type_name) +
                       "; } root_type X;";
  auto schema_done = parser.Parse(schema.c_str());
  TEST_EQ_STR(parser.error_.c_str(), "");
  TEST_EQ(schema_done, true);

auto done = parser.Parse(check_default ? "{}" : json);
  TEST_EQ_STR(parser.error_.c_str(), "");
  TEST_EQ(done, true);

// Check with print.
  std::string print_back;
  parser.opts.indent_step = -1;
  TEST_EQ(GenerateText(parser, parser.builder_.GetBufferPointer(), &print_back),
          true);
  // restore value from its default
  if (check_default) { TEST_EQ(parser.Parse(print_back.c_str()), true); }

auto root = flatbuffers::GetRoot<flatbuffers::Table>(
      parser.builder_.GetBufferPointer());
  return root->GetField<T>(flatbuffers::FieldIndexToOffset(0), 0);
}

bool FloatCompare(float a, float b) { return fabs(a - b) < 0.001; }

// Additional parser testing not covered elsewhere.
void ValueTest() {
  // Test scientific notation numbers.
  TEST_EQ(FloatCompare(TestValue<float>("{ Y:0.0314159e+2 }", "float"),
                       3.14159f),
          true);
  // number in string
  TEST_EQ(FloatCompare(TestValue<float>("{ Y:\"0.0314159e+2\" }", "float"),
                       3.14159f),
          true);

// Test conversion functions.
  TEST_EQ(FloatCompare(TestValue<float>("{ Y:cos(rad(180)) }", "float"), -1),
          true);

// int embedded to string
  TEST_EQ(TestValue<int>("{ Y:\"-876\" }", "int=-123"), -876);
  TEST_EQ(TestValue<int>("{ Y:\"876\" }", "int=-123"), 876);

// Test negative hex constant.
  TEST_EQ(TestValue<int>("{ Y:-0x8ea0 }", "int=-0x8ea0"), -36512);
  TEST_EQ(TestValue<int>(nullptr, "int=-0x8ea0"), -36512);

// positive hex constant
  TEST_EQ(TestValue<int>("{ Y:0x1abcdef }", "int=0x1"), 0x1abcdef);
  // with optional '+' sign
  TEST_EQ(TestValue<int>("{ Y:+0x1abcdef }", "int=+0x1"), 0x1abcdef);
  // hex in string
  TEST_EQ(TestValue<int>("{ Y:\"0x1abcdef\" }", "int=+0x1"), 0x1abcdef);

// Make sure we do unsigned 64bit correctly.
  TEST_EQ(TestValue<uint64_t>("{ Y:12335089644688340133 }", "ulong"),
          12335089644688340133ULL);

// bool in string
  TEST_EQ(TestValue<bool>("{ Y:\"false\" }", "bool=true"), false);
  TEST_EQ(TestValue<bool>("{ Y:\"true\" }", "bool=\"true\""), true);
  TEST_EQ(TestValue<bool>("{ Y:'false' }", "bool=true"), false);
  TEST_EQ(TestValue<bool>("{ Y:'true' }", "bool=\"true\""), true);

// check comments before and after json object
  TEST_EQ(TestValue<int>("/*before*/ { Y:1 } /*after*/", "int"), 1);
  TEST_EQ(TestValue<int>("//before \n { Y:1 } //after", "int"), 1);

}

void NestedListTest() {
  flatbuffers::Parser parser1;
  TEST_EQ(parser1.Parse("struct Test { a:short; b:byte; } table T { F:[Test]; }"
                        "root_type T;"
                        "{ F:[ [10,20], [30,40]] }"),
          true);
}

void EnumStringsTest() {
  flatbuffers::Parser parser1;
  TEST_EQ(parser1.Parse("enum E:byte { A, B, C } table T { F:[E]; }"
                        "root_type T;"
                        "{ F:[ A, B, \"C\", \"A B C\" ] }"),
          true);
  flatbuffers::Parser parser2;
  TEST_EQ(parser2.Parse("enum E:byte { A, B, C } table T { F:[int]; }"
                        "root_type T;"
                        "{ F:[ \"E.C\", \"E.A E.B E.C\" ] }"),
          true);
  // unsigned bit_flags
  flatbuffers::Parser parser3;
  TEST_EQ(
      parser3.Parse("enum E:uint16 (bit_flags) { F0, F07=7, F08, F14=14, F15 }"
                    " table T { F: E = \"F15 F08\"; }"
                    "root_type T;"),
      true);
}

void EnumNamesTest() {
  TEST_EQ_STR("Red", EnumNameColor(Color_Red));
  TEST_EQ_STR("Green", EnumNameColor(Color_Green));
  TEST_EQ_STR("Blue", EnumNameColor(Color_Blue));
  // Check that Color to string don't crash while decode a mixture of Colors.
  // 1) Example::Color enum is enum with unfixed underlying type.
  // 2) Valid enum range: [0; 2^(ceil(log2(Color_ANY))) - 1].
  // Consequence: A value is out of this range will lead to UB (since C++17).
  // For details see C++17 standard or explanation on the SO:
  // stackoverflow.com/questions/18195312/what-happens-if-you-static-cast-invalid-value-to-enum-class
  TEST_EQ_STR("", EnumNameColor(static_cast<Color>(0)));
  TEST_EQ_STR("", EnumNameColor(static_cast<Color>(Color_ANY-1)));
  TEST_EQ_STR("", EnumNameColor(static_cast<Color>(Color_ANY+1)));
}

void EnumOutOfRangeTest() {
  TestError("enum X:byte { Y = 128 }", "enum value does not fit");
  TestError("enum X:byte { Y = -129 }", "enum value does not fit");
  TestError("enum X:byte { Y = 126, Z0, Z1 }", "enum value does not fit");
  TestError("enum X:ubyte { Y = -1 }", "enum value does not fit");
  TestError("enum X:ubyte { Y = 256 }", "enum value does not fit");
  TestError("enum X:ubyte { Y = 255, Z }", "enum value does not fit");
  // Unions begin with an implicit "NONE = 0".
  TestError("table Y{} union X { Y = -1 }",
            "enum values must be specified in ascending order");
  TestError("table Y{} union X { Y = 256 }", "enum value does not fit");
  TestError("table Y{} union X { Y = 255, Z:Y }", "enum value does not fit");
  TestError("enum X:int { Y = -2147483649 }", "enum value does not fit");
  TestError("enum X:int { Y = 2147483648 }", "enum value does not fit");
  TestError("enum X:uint { Y = -1 }", "enum value does not fit");
  TestError("enum X:uint { Y = 4294967297 }", "enum value does not fit");
  TestError("enum X:long { Y = 9223372036854775808 }", "does not fit");
  TestError("enum X:long { Y = 9223372036854775807, Z }", "enum value does not fit");
  TestError("enum X:ulong { Y = -1 }", "does not fit");
  TestError("enum X:ubyte (bit_flags) { Y=8 }", "bit flag out");
  TestError("enum X:byte (bit_flags) { Y=7 }", "must be unsigned"); // -128
  // bit_flgs out of range
  TestError("enum X:ubyte (bit_flags) { Y0,Y1,Y2,Y3,Y4,Y5,Y6,Y7,Y8 }", "out of range");
}

void EnumValueTest() {
  // json: "{ Y:0 }", schema: table X { Y : "E"}
  // 0 in enum (V=0) E then Y=0 is valid.
  TEST_EQ(TestValue<int>("{ Y:0 }", "E", "enum E:int { V }"), 0);
  TEST_EQ(TestValue<int>("{ Y:V }", "E", "enum E:int { V }"), 0);
  // A default value of Y is 0.
  TEST_EQ(TestValue<int>("{ }", "E", "enum E:int { V }"), 0);
  TEST_EQ(TestValue<int>("{ Y:5 }", "E=V", "enum E:int { V=5 }"), 5);
  // Generate json with defaults and check.
  TEST_EQ(TestValue<int>(nullptr, "E=V", "enum E:int { V=5 }"), 5);
  // 5 in enum
  TEST_EQ(TestValue<int>("{ Y:5 }", "E", "enum E:int { Z, V=5 }"), 5);
  TEST_EQ(TestValue<int>("{ Y:5 }", "E=V", "enum E:int { Z, V=5 }"), 5);
  // Generate json with defaults and check.
  TEST_EQ(TestValue<int>(nullptr, "E", "enum E:int { Z, V=5 }"), 0);
  TEST_EQ(TestValue<int>(nullptr, "E=V", "enum E:int { Z, V=5 }"), 5);
  // u84 test
  TEST_EQ(TestValue<uint64_t>(nullptr, "E=V",
                              "enum E:ulong { V = 13835058055282163712 }"),
          13835058055282163712ULL);
  TEST_EQ(TestValue<uint64_t>(nullptr, "E=V",
                              "enum E:ulong { V = 18446744073709551615 }"),
          18446744073709551615ULL);
  // Assign non-enum value to enum field. Is it right?
  TEST_EQ(TestValue<int>("{ Y:7 }", "E", "enum E:int { V = 0 }"), 7);
}

void IntegerOutOfRangeTest() {
  TestError("table T { F:byte; } root_type T; { F:128 }",
            "constant does not fit");
  TestError("table T { F:byte; } root_type T; { F:-129 }",
            "constant does not fit");
  TestError("table T { F:ubyte; } root_type T; { F:256 }",
            "constant does not fit");
  TestError("table T { F:ubyte; } root_type T; { F:-1 }",
            "constant does not fit");
  TestError("table T { F:short; } root_type T; { F:32768 }",
            "constant does not fit");
  TestError("table T { F:short; } root_type T; { F:-32769 }",
            "constant does not fit");
  TestError("table T { F:ushort; } root_type T; { F:65536 }",
            "constant does not fit");
  TestError("table T { F:ushort; } root_type T; { F:-1 }",
            "constant does not fit");
  TestError("table T { F:int; } root_type T; { F:2147483648 }",
            "constant does not fit");
  TestError("table T { F:int; } root_type T; { F:-2147483649 }",
            "constant does not fit");
  TestError("table T { F:uint; } root_type T; { F:4294967296 }",
            "constant does not fit");
  TestError("table T { F:uint; } root_type T; { F:-1 }",
            "constant does not fit");
  // Check fixed width aliases
  TestError("table X { Y:uint8; } root_type X; { Y: -1 }", "does not fit");
  TestError("table X { Y:uint8; } root_type X; { Y: 256 }", "does not fit");
  TestError("table X { Y:uint16; } root_type X; { Y: -1 }", "does not fit");
  TestError("table X { Y:uint16; } root_type X; { Y: 65536 }", "does not fit");
  TestError("table X { Y:uint32; } root_type X; { Y: -1 }", "");
  TestError("table X { Y:uint32; } root_type X; { Y: 4294967296 }",
            "does not fit");
  TestError("table X { Y:uint64; } root_type X; { Y: -1 }", "");
  TestError("table X { Y:uint64; } root_type X; { Y: -9223372036854775809 }",
            "does not fit");
  TestError("table X { Y:uint64; } root_type X; { Y: 18446744073709551616 }",
            "does not fit");

TestError("table X { Y:int8; } root_type X; { Y: -129 }", "does not fit");
  TestError("table X { Y:int8; } root_type X; { Y: 128 }", "does not fit");
  TestError("table X { Y:int16; } root_type X; { Y: -32769 }", "does not fit");
  TestError("table X { Y:int16; } root_type X; { Y: 32768 }", "does not fit");
  TestError("table X { Y:int32; } root_type X; { Y: -2147483649 }", "");
  TestError("table X { Y:int32; } root_type X; { Y: 2147483648 }",
            "does not fit");
  TestError("table X { Y:int64; } root_type X; { Y: -9223372036854775809 }",
            "does not fit");
  TestError("table X { Y:int64; } root_type X; { Y: 9223372036854775808 }",
            "does not fit");
  // check out-of-int64 as int8
  TestError("table X { Y:int8; } root_type X; { Y: -9223372036854775809 }",
            "does not fit");
  TestError("table X { Y:int8; } root_type X; { Y: 9223372036854775808 }",
            "does not fit");

// Check default values
  TestError("table X { Y:int64=-9223372036854775809; } root_type X; {}",
            "does not fit");
  TestError("table X { Y:int64= 9223372036854775808; } root_type X; {}",
            "does not fit");
  TestError("table X { Y:uint64; } root_type X; { Y: -1 }", "");
  TestError("table X { Y:uint64=-9223372036854775809; } root_type X; {}",
            "does not fit");
  TestError("table X { Y:uint64= 18446744073709551616; } root_type X; {}",
            "does not fit");
}

void IntegerBoundaryTest() {
  // Check numerical compatibility with non-C++ languages.
  // By the C++ standard, std::numerical_limits<int64_t>::min() == -9223372036854775807 (-2^63+1) or less*
  // The Flatbuffers grammar and most of the languages (C#, Java, Rust) expect
  // that minimum values are: -128, -32768,.., -9223372036854775808.
  // Since C++20, static_cast<int64>(0x8000000000000000ULL) is well-defined two's complement cast.
  // Therefore -9223372036854775808 should be valid negative value.
  TEST_EQ(flatbuffers::numeric_limits<int8_t>::min(), -128);
  TEST_EQ(flatbuffers::numeric_limits<int8_t>::max(), 127);
  TEST_EQ(flatbuffers::numeric_limits<int16_t>::min(), -32768);
  TEST_EQ(flatbuffers::numeric_limits<int16_t>::max(), 32767);
  TEST_EQ(flatbuffers::numeric_limits<int32_t>::min() + 1, -2147483647);
  TEST_EQ(flatbuffers::numeric_limits<int32_t>::max(), 2147483647ULL);
  TEST_EQ(flatbuffers::numeric_limits<int64_t>::min() + 1LL,
          -9223372036854775807LL);
  TEST_EQ(flatbuffers::numeric_limits<int64_t>::max(), 9223372036854775807ULL);
  TEST_EQ(flatbuffers::numeric_limits<uint8_t>::max(), 255);
  TEST_EQ(flatbuffers::numeric_limits<uint16_t>::max(), 65535);
  TEST_EQ(flatbuffers::numeric_limits<uint32_t>::max(), 4294967295ULL);
  TEST_EQ(flatbuffers::numeric_limits<uint64_t>::max(),
          18446744073709551615ULL);

TEST_EQ(TestValue<int8_t>("{ Y:127 }", "byte"), 127);
  TEST_EQ(TestValue<int8_t>("{ Y:-128 }", "byte"), -128);
  TEST_EQ(TestValue<uint8_t>("{ Y:255 }", "ubyte"), 255);
  TEST_EQ(TestValue<uint8_t>("{ Y:0 }", "ubyte"), 0);
  TEST_EQ(TestValue<int16_t>("{ Y:32767 }", "short"), 32767);
  TEST_EQ(TestValue<int16_t>("{ Y:-32768 }", "short"), -32768);
  TEST_EQ(TestValue<uint16_t>("{ Y:65535 }", "ushort"), 65535);
  TEST_EQ(TestValue<uint16_t>("{ Y:0 }", "ushort"), 0);
  TEST_EQ(TestValue<int32_t>("{ Y:2147483647 }", "int"), 2147483647);
  TEST_EQ(TestValue<int32_t>("{ Y:-2147483648 }", "int") + 1, -2147483647);
  TEST_EQ(TestValue<uint32_t>("{ Y:4294967295 }", "uint"), 4294967295);
  TEST_EQ(TestValue<uint32_t>("{ Y:0 }", "uint"), 0);
  TEST_EQ(TestValue<int64_t>("{ Y:9223372036854775807 }", "long"),
          9223372036854775807LL);
  TEST_EQ(TestValue<int64_t>("{ Y:-9223372036854775808 }", "long") + 1LL,
          -9223372036854775807LL);
  TEST_EQ(TestValue<uint64_t>("{ Y:18446744073709551615 }", "ulong"),
          18446744073709551615ULL);
  TEST_EQ(TestValue<uint64_t>("{ Y:0 }", "ulong"), 0);
  TEST_EQ(TestValue<uint64_t>("{ Y: 18446744073709551615 }", "uint64"),
          18446744073709551615ULL);
  // check that the default works
  TEST_EQ(TestValue<uint64_t>(nullptr, "uint64 = 18446744073709551615"),
          18446744073709551615ULL);
}

void ValidFloatTest() {
  // check rounding to infinity
  TEST_EQ(TestValue<float>("{ Y:+3.4029e+38 }", "float"), +infinityf);
  TEST_EQ(TestValue<float>("{ Y:-3.4029e+38 }", "float"), -infinityf);
  TEST_EQ(TestValue<double>("{ Y:+1.7977e+308 }", "double"), +infinityd);
  TEST_EQ(TestValue<double>("{ Y:-1.7977e+308 }", "double"), -infinityd);

TEST_EQ(
      FloatCompare(TestValue<float>("{ Y:0.0314159e+2 }", "float"), 3.14159f),
      true);
  // float in string
  TEST_EQ(FloatCompare(TestValue<float>("{ Y:\" 0.0314159e+2  \" }", "float"),
                       3.14159f),
          true);

TEST_EQ(TestValue<float>("{ Y:1 }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:1.0 }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:1. }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:+1. }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:-1. }", "float"), -1.0f);
  TEST_EQ(TestValue<float>("{ Y:1.e0 }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:1.e+0 }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:1.e-0 }", "float"), 1.0f);
  TEST_EQ(TestValue<float>("{ Y:0.125 }", "float"), 0.125f);
  TEST_EQ(TestValue<float>("{ Y:.125 }", "float"), 0.125f);
  TEST_EQ(TestValue<float>("{ Y:-.125 }", "float"), -0.125f);
  TEST_EQ(TestValue<float>("{ Y:+.125 }", "float"), +0.125f);
  TEST_EQ(TestValue<float>("{ Y:5 }", "float"), 5.0f);
  TEST_EQ(TestValue<float>("{ Y:\"5\" }", "float"), 5.0f);

#if defined(FLATBUFFERS_HAS_NEW_STRTOD) && (FLATBUFFERS_HAS_NEW_STRTOD > 0)
  // Old MSVC versions may have problem with this check.
  // https://www.exploringbinary.com/visual-c-plus-plus-strtod-still-broken/
  TEST_EQ(TestValue<double>("{ Y:6.9294956446009195e15 }", "double"),
    6929495644600920.0);
  // check nan's
  TEST_EQ(std::isnan(TestValue<double>("{ Y:nan }", "double")), true);
  TEST_EQ(std::isnan(TestValue<float>("{ Y:nan }", "float")), true);
  TEST_EQ(std::isnan(TestValue<float>("{ Y:\"nan\" }", "float")), true);
  TEST_EQ(std::isnan(TestValue<float>("{ Y:+nan }", "float")), true);
  TEST_EQ(std::isnan(TestValue<float>("{ Y:-nan }", "float")), true);
  TEST_EQ(std::isnan(TestValue<float>(nullptr, "float=nan")), true);
  TEST_EQ(std::isnan(TestValue<float>(nullptr, "float=-nan")), true);
  // check inf
  TEST_EQ(TestValue<float>("{ Y:inf }", "float"), infinityf);
  TEST_EQ(TestValue<float>("{ Y:\"inf\" }", "float"), infinityf);
  TEST_EQ(TestValue<float>("{ Y:+inf }", "float"), infinityf);
  TEST_EQ(TestValue<float>("{ Y:-inf }", "float"), -infinityf);
  TEST_EQ(TestValue<float>(nullptr, "float=inf"), infinityf);
  TEST_EQ(TestValue<float>(nullptr, "float=-inf"), -infinityf);
  TestValue<double>(
      "{ Y : [0.2, .2, 1.0, -1.0, -2., 2., 1e0, -1e0, 1.0e0, -1.0e0, -3.e2, "
      "3.0e2] }",
      "[double]");
  TestValue<float>(
      "{ Y : [0.2, .2, 1.0, -1.0, -2., 2., 1e0, -1e0, 1.0e0, -1.0e0, -3.e2, "
      "3.0e2] }",
      "[float]");

// Test binary format of float point.
  // https://en.cppreference.com/w/cpp/language/floating_literal
  // 0x11.12p-1 = (1*16^1 + 2*16^0 + 3*16^-1 + 4*16^-2) * 2^-1 =
  TEST_EQ(TestValue<double>("{ Y:0x12.34p-1 }", "double"), 9.1015625);
  // hex fraction 1.2 (decimal 1.125) scaled by 2^3, that is 9.0
  TEST_EQ(TestValue<float>("{ Y:-0x0.2p0 }", "float"), -0.125f);
  TEST_EQ(TestValue<float>("{ Y:-0x.2p1 }", "float"), -0.25f);
  TEST_EQ(TestValue<float>("{ Y:0x1.2p3 }", "float"), 9.0f);
  TEST_EQ(TestValue<float>("{ Y:0x10.1p0 }", "float"), 16.0625f);
  TEST_EQ(TestValue<double>("{ Y:0x1.2p3 }", "double"), 9.0);
  TEST_EQ(TestValue<double>("{ Y:0x10.1p0 }", "double"), 16.0625);
  TEST_EQ(TestValue<double>("{ Y:0xC.68p+2 }", "double"), 49.625);
  TestValue<double>("{ Y : [0x20.4ep1, +0x20.4ep1, -0x20.4ep1] }", "[double]");
  TestValue<float>("{ Y : [0x20.4ep1, +0x20.4ep1, -0x20.4ep1] }", "[float]");

#else   // FLATBUFFERS_HAS_NEW_STRTOD
  TEST_OUTPUT_LINE("FLATBUFFERS_HAS_NEW_STRTOD tests skipped");
#endif  // !FLATBUFFERS_HAS_NEW_STRTOD
}

void InvalidFloatTest() {
  auto invalid_msg = "invalid number";
  auto comma_msg = "expecting: ,";
  TestError("table T { F:float; } root_type T; { F:1,0 }", "");
  TestError("table T { F:float; } root_type T; { F:. }", "");
  TestError("table T { F:float; } root_type T; { F:- }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:+ }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:-. }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:+. }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:.e }", "");
  TestError("table T { F:float; } root_type T; { F:-e }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:+e }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:-.e }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:+.e }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:-e1 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:+e1 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.0e+ }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.0e- }", invalid_msg);
  // exponent pP is mandatory for hex-float
  TestError("table T { F:float; } root_type T; { F:0x0 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:-0x. }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x. }", invalid_msg);
  // eE not exponent in hex-float!
  TestError("table T { F:float; } root_type T; { F:0x0.0e+ }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0e- }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0p }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0p+ }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0p- }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0pa1 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0e+ }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0e- }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0e+0 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0e-0 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0ep+ }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:0x0.0ep- }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.2.3 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.2.e3 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.2e.3 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.2e0.3 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.2e3. }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.2e3.0 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:+-1.0 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.0e+-1 }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:\"1.0e+-1\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:1.e0e }", comma_msg);
  TestError("table T { F:float; } root_type T; { F:0x1.p0e }", comma_msg);
  TestError("table T { F:float; } root_type T; { F:\" 0x10 \" }", invalid_msg);
  // floats in string
  TestError("table T { F:float; } root_type T; { F:\"1,2.\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:\"1.2e3.\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:\"0x1.p0e\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:\"0x1.0\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:\" 0x1.0\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:\"+ 0\" }", invalid_msg);
  // disable escapes for "number-in-string"
  TestError("table T { F:float; } root_type T; { F:\"\\f1.2e3.\" }", "invalid");
  TestError("table T { F:float; } root_type T; { F:\"\\t1.2e3.\" }", "invalid");
  TestError("table T { F:float; } root_type T; { F:\"\\n1.2e3.\" }", "invalid");
  TestError("table T { F:float; } root_type T; { F:\"\\r1.2e3.\" }", "invalid");
  TestError("table T { F:float; } root_type T; { F:\"4\\x005\" }", "invalid");
  TestError("table T { F:float; } root_type T; { F:\"\'12\'\" }", invalid_msg);
  // null is not a number constant!
  TestError("table T { F:float; } root_type T; { F:\"null\" }", invalid_msg);
  TestError("table T { F:float; } root_type T; { F:null }", invalid_msg);
}

void GenerateTableTextTest() {
  std::string schemafile;
  std::string jsonfile;
  bool ok =
      flatbuffers::LoadFile((test_data_path + "monster_test.fbs").c_str(),
                            false, &schemafile) &&
      flatbuffers::LoadFile((test_data_path + "monsterdata_test.json").c_str(),
                            false, &jsonfile);
  TEST_EQ(ok, true);
  auto include_test_path =
      flatbuffers::ConCatPathFileName(test_data_path, "include_test");
  const char *include_directories[] = {test_data_path.c_str(),
                                       include_test_path.c_str(), nullptr};
  flatbuffers::IDLOptions opt;
  opt.indent_step = -1;
  flatbuffers::Parser parser(opt);
  ok = parser.Parse(schemafile.c_str(), include_directories) &&
       parser.Parse(jsonfile.c_str(), include_directories);
  TEST_EQ(ok, true);
  // Test root table
  const Monster *monster = GetMonster(parser.builder_.GetBufferPointer());
  std::string jsongen;
  auto result = GenerateTextFromTable(parser, monster, "MyGame.Example.Monster",
                                      &jsongen);
  TEST_EQ(result, true);
  // Test sub table
  const Vec3 *pos = monster->pos();
  jsongen.clear();
  result = GenerateTextFromTable(parser, pos, "MyGame.Example.Vec3", &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(
      jsongen.c_str(),
      "{x: 1.0,y: 2.0,z: 3.0,test1: 3.0,test2: \"Green\",test3: {a: 5,b: 6}}");
  const Test &test3 = pos->test3();
  jsongen.clear();
  result =
      GenerateTextFromTable(parser, &test3, "MyGame.Example.Test", &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(jsongen.c_str(), "{a: 5,b: 6}");
  const Test *test4 = monster->test4()->Get(0);
  jsongen.clear();
  result =
      GenerateTextFromTable(parser, test4, "MyGame.Example.Test", &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(jsongen.c_str(), "{a: 10,b: 20}");
}

template<typename T>
void NumericUtilsTestInteger(const char *lower, const char *upper) {
  T x;
  TEST_EQ(flatbuffers::StringToNumber("1q", &x), false);
  TEST_EQ(x, 0);
  TEST_EQ(flatbuffers::StringToNumber(upper, &x), false);
  TEST_EQ(x, flatbuffers::numeric_limits<T>::max());
  TEST_EQ(flatbuffers::StringToNumber(lower, &x), false);
  auto expval = flatbuffers::is_unsigned<T>::value
                    ? flatbuffers::numeric_limits<T>::max()
                    : flatbuffers::numeric_limits<T>::lowest();
  TEST_EQ(x, expval);
}

template<typename T>
void NumericUtilsTestFloat(const char *lower, const char *upper) {
  T f;
  TEST_EQ(flatbuffers::StringToNumber("", &f), false);
  TEST_EQ(flatbuffers::StringToNumber("1q", &f), false);
  TEST_EQ(f, 0);
  TEST_EQ(flatbuffers::StringToNumber(upper, &f), true);
  TEST_EQ(f, +flatbuffers::numeric_limits<T>::infinity());
  TEST_EQ(flatbuffers::StringToNumber(lower, &f), true);
  TEST_EQ(f, -flatbuffers::numeric_limits<T>::infinity());
}

void NumericUtilsTest() {
  NumericUtilsTestInteger<uint64_t>("-1", "18446744073709551616");
  NumericUtilsTestInteger<uint8_t>("-1", "256");
  NumericUtilsTestInteger<int64_t>("-9223372036854775809",
                                   "9223372036854775808");
  NumericUtilsTestInteger<int8_t>("-129", "128");
  NumericUtilsTestFloat<float>("-3.4029e+38", "+3.4029e+38");
  NumericUtilsTestFloat<float>("-1.7977e+308", "+1.7977e+308");
}

void IsAsciiUtilsTest() {
  char c = -128;
  for (int cnt = 0; cnt < 256; cnt++) {
    auto alpha = (('a' <= c) && (c <= 'z')) || (('A' <= c) && (c <= 'Z'));
    auto dec = (('0' <= c) && (c <= '9'));
    auto hex = (('a' <= c) && (c <= 'f')) || (('A' <= c) && (c <= 'F'));
    TEST_EQ(flatbuffers::is_alpha(c), alpha);
    TEST_EQ(flatbuffers::is_alnum(c), alpha || dec);
    TEST_EQ(flatbuffers::is_digit(c), dec);
    TEST_EQ(flatbuffers::is_xdigit(c), dec || hex);
    c += 1;
  }
}

void UnicodeTest() {
  flatbuffers::Parser parser;
  // Without setting allow_non_utf8 = true, we treat \x sequences as byte
  // sequences which are then validated as UTF-8.
  TEST_EQ(parser.Parse("table T { F:string; }"
                       "root_type T;"
                       "{ F:\"\\u20AC\\u00A2\\u30E6\\u30FC\\u30B6\\u30FC"
                       "\\u5225\\u30B5\\u30A4\\u30C8\\xE2\\x82\\xAC\\u0080\\uD8"
                       "3D\\uDE0E\" }"),
          true);
  std::string jsongen;
  parser.opts.indent_step = -1;
  auto result =
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(jsongen.c_str(),
              "{F: \"\\u20AC\\u00A2\\u30E6\\u30FC\\u30B6\\u30FC"
              "\\u5225\\u30B5\\u30A4\\u30C8\\u20AC\\u0080\\uD83D\\uDE0E\"}");
}

void UnicodeTestAllowNonUTF8() {
  flatbuffers::Parser parser;
  parser.opts.allow_non_utf8 = true;
  TEST_EQ(
      parser.Parse(
          "table T { F:string; }"
          "root_type T;"
          "{ F:\"\\u20AC\\u00A2\\u30E6\\u30FC\\u30B6\\u30FC"
          "\\u5225\\u30B5\\u30A4\\u30C8\\x01\\x80\\u0080\\uD83D\\uDE0E\" }"),
      true);
  std::string jsongen;
  parser.opts.indent_step = -1;
  auto result =
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(
      jsongen.c_str(),
      "{F: \"\\u20AC\\u00A2\\u30E6\\u30FC\\u30B6\\u30FC"
      "\\u5225\\u30B5\\u30A4\\u30C8\\u0001\\x80\\u0080\\uD83D\\uDE0E\"}");
}

void UnicodeTestGenerateTextFailsOnNonUTF8() {
  flatbuffers::Parser parser;
  // Allow non-UTF-8 initially to model what happens when we load a binary
  // flatbuffer from disk which contains non-UTF-8 strings.
  parser.opts.allow_non_utf8 = true;
  TEST_EQ(
      parser.Parse(
          "table T { F:string; }"
          "root_type T;"
          "{ F:\"\\u20AC\\u00A2\\u30E6\\u30FC\\u30B6\\u30FC"
          "\\u5225\\u30B5\\u30A4\\u30C8\\x01\\x80\\u0080\\uD83D\\uDE0E\" }"),
      true);
  std::string jsongen;
  parser.opts.indent_step = -1;
  // Now, disallow non-UTF-8 (the default behavior) so GenerateText indicates
  // failure.
  parser.opts.allow_non_utf8 = false;
  auto result =
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen);
  TEST_EQ(result, false);
}

void UnicodeSurrogatesTest() {
  flatbuffers::Parser parser;

TEST_EQ(parser.Parse("table T { F:string (id: 0); }"
                       "root_type T;"
                       "{ F:\"\\uD83D\\uDCA9\"}"),
          true);
  auto root = flatbuffers::GetRoot<flatbuffers::Table>(
      parser.builder_.GetBufferPointer());
  auto string = root->GetPointer<flatbuffers::String *>(
      flatbuffers::FieldIndexToOffset(0));
  TEST_EQ_STR(string->c_str(), "\xF0\x9F\x92\xA9");
}

void UnicodeInvalidSurrogatesTest() {
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\\uD800\"}",
      "unpaired high surrogate");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\\uD800abcd\"}",
      "unpaired high surrogate");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\\uD800\\n\"}",
      "unpaired high surrogate");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\\uD800\\uD800\"}",
      "multiple high surrogates");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\\uDC00\"}",
      "unpaired low surrogate");
}

void InvalidUTF8Test() {
  // "1 byte" pattern, under min length of 2 bytes
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\x80\"}",
      "illegal UTF-8 sequence");
  // 2 byte pattern, string too short
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xDF\"}",
      "illegal UTF-8 sequence");
  // 3 byte pattern, string too short
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xEF\xBF\"}",
      "illegal UTF-8 sequence");
  // 4 byte pattern, string too short
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xF7\xBF\xBF\"}",
      "illegal UTF-8 sequence");
  // "5 byte" pattern, string too short
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xFB\xBF\xBF\xBF\"}",
      "illegal UTF-8 sequence");
  // "6 byte" pattern, string too short
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xFD\xBF\xBF\xBF\xBF\"}",
      "illegal UTF-8 sequence");
  // "7 byte" pattern, string too short
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xFE\xBF\xBF\xBF\xBF\xBF\"}",
      "illegal UTF-8 sequence");
  // "5 byte" pattern, over max length of 4 bytes
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xFB\xBF\xBF\xBF\xBF\"}",
      "illegal UTF-8 sequence");
  // "6 byte" pattern, over max length of 4 bytes
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xFD\xBF\xBF\xBF\xBF\xBF\"}",
      "illegal UTF-8 sequence");
  // "7 byte" pattern, over max length of 4 bytes
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xFE\xBF\xBF\xBF\xBF\xBF\xBF\"}",
      "illegal UTF-8 sequence");

// Three invalid encodings for U+000A (\n, aka NEWLINE)
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xC0\x8A\"}",
      "illegal UTF-8 sequence");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xE0\x80\x8A\"}",
      "illegal UTF-8 sequence");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xF0\x80\x80\x8A\"}",
      "illegal UTF-8 sequence");

// Two invalid encodings for U+00A9 (COPYRIGHT SYMBOL)
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xE0\x81\xA9\"}",
      "illegal UTF-8 sequence");
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xF0\x80\x81\xA9\"}",
      "illegal UTF-8 sequence");

// Invalid encoding for U+20AC (EURO SYMBOL)
  TestError(
      "table T { F:string; }"
      "root_type T;"
      "{ F:\"\xF0\x82\x82\xAC\"}",
      "illegal UTF-8 sequence");

// UTF-16 surrogate values between U+D800 and U+DFFF cannot be encoded in
  // UTF-8
  TestError(
      "table T { F:string; }"
      "root_type T;"
      // U+10400 "encoded" as U+D801 U+DC00
      "{ F:\"\xED\xA0\x81\xED\xB0\x80\"}",
      "illegal UTF-8 sequence");

// Check independence of identifier from locale.
  std::string locale_ident;
  locale_ident += "table T { F";
  locale_ident += static_cast<char>(-32); // unsigned 0xE0
  locale_ident += " :string; }";
  locale_ident += "root_type T;";
  locale_ident += "{}";
  TestError(locale_ident.c_str(), "");
}

void UnknownFieldsTest() {
  flatbuffers::IDLOptions opts;
  opts.skip_unexpected_fields_in_json = true;
  flatbuffers::Parser parser(opts);

TEST_EQ(parser.Parse("table T { str:string; i:int;}"
                       "root_type T;"
                       "{ str:\"test\","
                       "unknown_string:\"test\","
                       "\"unknown_string\":\"test\","
                       "unknown_int:10,"
                       "unknown_float:1.0,"
                       "unknown_array: [ 1, 2, 3, 4],"
                       "unknown_object: { i: 10 },"
                       "\"unknown_object\": { \"i\": 10 },"
                       "i:10}"),
          true);

std::string jsongen;
  parser.opts.indent_step = -1;
  auto result =
      GenerateText(parser, parser.builder_.GetBufferPointer(), &jsongen);
  TEST_EQ(result, true);
  TEST_EQ_STR(jsongen.c_str(), "{str: \"test\",i: 10}");
}

void ParseUnionTest() {
  // Unions must be parseable with the type field following the object.
  flatbuffers::Parser parser;
  TEST_EQ(parser.Parse("table T { A:int; }"
                       "union U { T }"
                       "table V { X:U; }"
                       "root_type V;"
                       "{ X:{ A:1 }, X_type: T }"),
          true);
  // Unions must be parsable with prefixed namespace.
  flatbuffers::Parser parser2;
  TEST_EQ(parser2.Parse("namespace N; table A {} namespace; union U { N.A }"
                        "table B { e:U; } root_type B;"
                        "{ e_type: N_A, e: {} }"),
          true);
}

void InvalidNestedFlatbufferTest() {
  // First, load and parse FlatBuffer schema (.fbs)
  std::string schemafile;
  TEST_EQ(flatbuffers::LoadFile((test_data_path + "monster_test.fbs").c_str(),
                                false, &schemafile),
          true);
  auto include_test_path =
      flatbuffers::ConCatPathFileName(test_data_path, "include_test");
  const char *include_directories[] = { test_data_path.c_str(),
                                        include_test_path.c_str(), nullptr };
  flatbuffers::Parser parser1;
  TEST_EQ(parser1.Parse(schemafile.c_str(), include_directories), true);

// "color" inside nested flatbuffer contains invalid enum value
  TEST_EQ(parser1.Parse("{ name: \"Bender\", testnestedflatbuffer: { name: "
                        "\"Leela\", color: \"nonexistent\"}}"),
          false);
  // Check that Parser is destroyed correctly after parsing invalid json
}

void UnionVectorTest() {
  // load FlatBuffer fbs schema and json.
  std::string schemafile, jsonfile;
  TEST_EQ(flatbuffers::LoadFile(
              (test_data_path + "union_vector/union_vector.fbs").c_str(),
              false, &schemafile),
          true);
  TEST_EQ(flatbuffers::LoadFile(
              (test_data_path + "union_vector/union_vector.json").c_str(),
              false, &jsonfile),
          true);

// parse schema.
  flatbuffers::IDLOptions idl_opts;
  idl_opts.lang_to_generate |= flatbuffers::IDLOptions::kBinary;
  flatbuffers::Parser parser(idl_opts);
  TEST_EQ(parser.Parse(schemafile.c_str()), true);

flatbuffers::FlatBufferBuilder fbb;

// union types.
  std::vector<uint8_t> types;
  types.push_back(static_cast<uint8_t>(Character_Belle));
  types.push_back(static_cast<uint8_t>(Character_MuLan));
  types.push_back(static_cast<uint8_t>(Character_BookFan));
  types.push_back(static_cast<uint8_t>(Character_Other));
  types.push_back(static_cast<uint8_t>(Character_Unused));

// union values.
  std::vector<flatbuffers::Offset<void>> characters;
  characters.push_back(fbb.CreateStruct(BookReader(/*books_read=*/7)).Union());
  characters.push_back(CreateAttacker(fbb, /*sword_attack_damage=*/5).Union());
  characters.push_back(fbb.CreateStruct(BookReader(/*books_read=*/2)).Union());
  characters.push_back(fbb.CreateString("Other").Union());
  characters.push_back(fbb.CreateString("Unused").Union());

// create Movie.
  const auto movie_offset =
      CreateMovie(fbb, Character_Rapunzel,
                  fbb.CreateStruct(Rapunzel(/*hair_length=*/6)).Union(),
                  fbb.CreateVector(types), fbb.CreateVector(characters));
  FinishMovieBuffer(fbb, movie_offset);
  auto buf = fbb.GetBufferPointer();

flatbuffers::Verifier verifier(buf, fbb.GetSize());
  TEST_EQ(VerifyMovieBuffer(verifier), true);

auto flat_movie = GetMovie(buf);

auto TestMovie = [](const Movie *movie) {
    TEST_EQ(movie->main_character_type() == Character_Rapunzel, true);

auto cts = movie->characters_type();
    TEST_EQ(movie->characters_type()->size(), 5);
    TEST_EQ(cts->GetEnum<Character>(0) == Character_Belle, true);
    TEST_EQ(cts->GetEnum<Character>(1) == Character_MuLan, true);
    TEST_EQ(cts->GetEnum<Character>(2) == Character_BookFan, true);
    TEST_EQ(cts->GetEnum<Character>(3) == Character_Other, true);
    TEST_EQ(cts->GetEnum<Character>(4) == Character_Unused, true);

auto rapunzel = movie->main_character_as_Rapunzel();
    TEST_NOTNULL(rapunzel);
    TEST_EQ(rapunzel->hair_length(), 6);

auto cs = movie->characters();
    TEST_EQ(cs->size(), 5);
    auto belle = cs->GetAs<BookReader>(0);
    TEST_EQ(belle->books_read(), 7);
    auto mu_lan = cs->GetAs<Attacker>(1);
    TEST_EQ(mu_lan->sword_attack_damage(), 5);
    auto book_fan = cs->GetAs<BookReader>(2);
    TEST_EQ(book_fan->books_read(), 2);
    auto other = cs->GetAsString(3);
    TEST_EQ_STR(other->c_str(), "Other");
    auto unused = cs->GetAsString(4);
    TEST_EQ_STR(unused->c_str(), "Unused");
  };

TestMovie(flat_movie);

// Also test the JSON we loaded above.
  TEST_EQ(parser.Parse(jsonfile.c_str()), true);
  auto jbuf = parser.builder_.GetBufferPointer();
  flatbuffers::Verifier jverifier(jbuf, parser.builder_.GetSize());
  TEST_EQ(VerifyMovieBuffer(jverifier), true);
  TestMovie(GetMovie(jbuf));

auto movie_object = flat_movie->UnPack();
  TEST_EQ(movie_object->main_character.AsRapunzel()->hair_length(), 6);
  TEST_EQ(movie_object->characters[0].AsBelle()->books_read(), 7);
  TEST_EQ(movie_object->characters[1].AsMuLan()->sword_attack_damage, 5);
  TEST_EQ(movie_object->characters[2].AsBookFan()->books_read(), 2);
  TEST_EQ_STR(movie_object->characters[3].AsOther()->c_str(), "Other");
  TEST_EQ_STR(movie_object->characters[4].AsUnused()->c_str(), "Unused");

fbb.Clear();
  fbb.Finish(Movie::Pack(fbb, movie_object));

delete movie_object;

auto repacked_movie = GetMovie(fbb.GetBufferPointer());

TestMovie(repacked_movie);

auto s =
      flatbuffers::FlatBufferToString(fbb.GetBufferPointer(), MovieTypeTable());
  TEST_EQ_STR(
      s.c_str(),
      "{ main_character_type: Rapunzel, main_character: { hair_length: 6 }, "
      "characters_type: [ Belle, MuLan, BookFan, Other, Unused ], "
      "characters: [ { books_read: 7 }, { sword_attack_damage: 5 }, "
      "{ books_read: 2 }, \"Other\", \"Unused\" ] }");

flatbuffers::ToStringVisitor visitor("\n", true, "  ");
  IterateFlatBuffer(fbb.GetBufferPointer(), MovieTypeTable(), &visitor);
  TEST_EQ_STR(
      visitor.s.c_str(),
      "{\n"
      "  \"main_character_type\": \"Rapunzel\",\n"
      "  \"main_character\": {\n"
      "    \"hair_length\": 6\n"
      "  },\n"
      "  \"characters_type\": [\n"
      "    \"Belle\",\n"
      "    \"MuLan\",\n"
      "    \"BookFan\",\n"
      "    \"Other\",\n"
      "    \"Unused\"\n"
      "  ],\n"
      "  \"characters\": [\n"
      "    {\n"
      "      \"books_read\": 7\n"
      "    },\n"
      "    {\n"
      "      \"sword_attack_damage\": 5\n"
      "    },\n"
      "    {\n"
      "      \"books_read\": 2\n"
      "    },\n"
      "    \"Other\",\n"
      "    \"Unused\"\n"
      "  ]\n"
      "}");

flatbuffers::Parser parser2(idl_opts);
  TEST_EQ(parser2.Parse("struct Bool { b:bool; }"
                        "union Any { Bool }"
                        "table Root { a:Any; }"
                        "root_type Root;"), true);
  TEST_EQ(parser2.Parse("{a_type:Bool,a:{b:true}}"), true);
}

void ConformTest() {
  flatbuffers::Parser parser;
  TEST_EQ(parser.Parse("table T { A:int; } enum E:byte { A }"), true);

auto test_conform = [](flatbuffers::Parser &parser1, const char *test,
                         const char *expected_err) {
    flatbuffers::Parser parser2;
    TEST_EQ(parser2.Parse(test), true);
    auto err = parser2.ConformTo(parser1);
    TEST_NOTNULL(strstr(err.c_str(), expected_err));
  };

test_conform(parser, "table T { A:byte; }", "types differ for field");
  test_conform(parser, "table T { B:int; A:int; }", "offsets differ for field");
  test_conform(parser, "table T { A:int = 1; }", "defaults differ for field");
  test_conform(parser, "table T { B:float; }",
               "field renamed to different type");
  test_conform(parser, "enum E:byte { B, A }", "values differ for enum");
}

void ParseProtoBufAsciiTest() {
  // We can put the parser in a mode where it will accept JSON that looks more
  // like Protobuf ASCII, for users that have data in that format.
  // This uses no "" for field names (which we already support by default,
  // omits `,`, `:` before `{` and a couple of other features.
  flatbuffers::Parser parser;
  parser.opts.protobuf_ascii_alike = true;
  TEST_EQ(
      parser.Parse("table S { B:int; } table T { A:[int]; C:S; } root_type T;"),
      true);
  TEST_EQ(parser.Parse("{ A [1 2] C { B:2 }}"), true);
  // Similarly, in text output, it should omit these.
  std::string text;
  auto ok = flatbuffers::GenerateText(
      parser, parser.builder_.GetBufferPointer(), &text);
  TEST_EQ(ok, true);
  TEST_EQ_STR(text.c_str(),
              "{\n  A [\n    1\n    2\n  ]\n  C {\n    B: 2\n  }\n}\n");
}

void FlexBuffersTest() {
  flexbuffers::Builder slb(512,
                           flexbuffers::BUILDER_FLAG_SHARE_KEYS_AND_STRINGS);

// Write the equivalent of:
  // { vec: [ -100, "Fred", 4.0, false ], bar: [ 1, 2, 3 ], bar3: [ 1, 2, 3 ],
  // foo: 100, bool: true, mymap: { foo: "Fred" } }
  // clang-format off
  #ifndef FLATBUFFERS_CPP98_STL
    // It's possible to do this without std::function support as well.
    slb.Map([&]() {
       slb.Vector("vec", [&]() {
        slb += -100;  // Equivalent to slb.Add(-100) or slb.Int(-100);
        slb += "Fred";
        slb.IndirectFloat(4.0f);
        uint8_t blob[] = { 77 };
        slb.Blob(blob, 1);
        slb += false;
      });
      int ints[] = { 1, 2, 3 };
      slb.Vector("bar", ints, 3);
      slb.FixedTypedVector("bar3", ints, 3);
      bool bools[] = {true, false, true, false};
      slb.Vector("bools", bools, 4);
      slb.Bool("bool", true);
      slb.Double("foo", 100);
      slb.Map("mymap", [&]() {
        slb.String("foo", "Fred");  // Testing key and string reuse.
      });
    });
    slb.Finish();
  #else
    // It's possible to do this without std::function support as well.
    slb.Map([](flexbuffers::Builder& slb2) {
       slb2.Vector("vec", [](flexbuffers::Builder& slb3) {
        slb3 += -100;  // Equivalent to slb.Add(-100) or slb.Int(-100);
        slb3 += "Fred";
        slb3.IndirectFloat(4.0f);
        uint8_t blob[] = { 77 };
        slb3.Blob(blob, 1);
        slb3 += false;
      }, slb2);
      int ints[] = { 1, 2, 3 };
      slb2.Vector("bar", ints, 3);
      slb2.FixedTypedVector("bar3", ints, 3);
      slb2.Bool("bool", true);
      slb2.Double("foo", 100);
      slb2.Map("mymap", [](flexbuffers::Builder& slb3) {
        slb3.String("foo", "Fred");  // Testing key and string reuse.
      }, slb2);
    }, slb);
    slb.Finish();
  #endif  // FLATBUFFERS_CPP98_STL

#ifdef FLATBUFFERS_TEST_VERBOSE
    for (size_t i = 0; i < slb.GetBuffer().size(); i++)
      printf("%d ", flatbuffers::vector_data(slb.GetBuffer())[i]);
    printf("\n");
  #endif
  // clang-format on

auto map = flexbuffers::GetRoot(slb.GetBuffer()).AsMap();
  TEST_EQ(map.size(), 7);
  auto vec = map["vec"].AsVector();
  TEST_EQ(vec.size(), 5);
  TEST_EQ(vec[0].AsInt64(), -100);
  TEST_EQ_STR(vec[1].AsString().c_str(), "Fred");
  TEST_EQ(vec[1].AsInt64(), 0);  // Number parsing failed.
  TEST_EQ(vec[2].AsDouble(), 4.0);
  TEST_EQ(vec[2].AsString().IsTheEmptyString(), true);  // Wrong Type.
  TEST_EQ_STR(vec[2].AsString().c_str(), "");     // This still works though.
  TEST_EQ_STR(vec[2].ToString().c_str(), "4.0");  // Or have it converted.

// Few tests for templated version of As.
  TEST_EQ(vec[0].As<int64_t>(), -100);
  TEST_EQ_STR(vec[1].As<std::string>().c_str(), "Fred");
  TEST_EQ(vec[1].As<int64_t>(), 0);  // Number parsing failed.
  TEST_EQ(vec[2].As<double>(), 4.0);

// Test that the blob can be accessed.
  TEST_EQ(vec[3].IsBlob(), true);
  auto blob = vec[3].AsBlob();
  TEST_EQ(blob.size(), 1);
  TEST_EQ(blob.data()[0], 77);
  TEST_EQ(vec[4].IsBool(), true);   // Check if type is a bool
  TEST_EQ(vec[4].AsBool(), false);  // Check if value is false
  auto tvec = map["bar"].AsTypedVector();
  TEST_EQ(tvec.size(), 3);
  TEST_EQ(tvec[2].AsInt8(), 3);
  auto tvec3 = map["bar3"].AsFixedTypedVector();
  TEST_EQ(tvec3.size(), 3);
  TEST_EQ(tvec3[2].AsInt8(), 3);
  TEST_EQ(map["bool"].AsBool(), true);
  auto tvecb = map["bools"].AsTypedVector();
  TEST_EQ(tvecb.ElementType(), flexbuffers::FBT_BOOL);
  TEST_EQ(map["foo"].AsUInt8(), 100);
  TEST_EQ(map["unknown"].IsNull(), true);
  auto mymap = map["mymap"].AsMap();
  // These should be equal by pointer equality, since key and value are shared.
  TEST_EQ(mymap.Keys()[0].AsKey(), map.Keys()[4].AsKey());
  TEST_EQ(mymap.Values()[0].AsString().c_str(), vec[1].AsString().c_str());
  // We can mutate values in the buffer.
  TEST_EQ(vec[0].MutateInt(-99), true);
  TEST_EQ(vec[0].AsInt64(), -99);
  TEST_EQ(vec[1].MutateString("John"), true);  // Size must match.
  TEST_EQ_STR(vec[1].AsString().c_str(), "John");
  TEST_EQ(vec[1].MutateString("Alfred"), false);  // Too long.
  TEST_EQ(vec[2].MutateFloat(2.0f), true);
  TEST_EQ(vec[2].AsFloat(), 2.0f);
  TEST_EQ(vec[2].MutateFloat(3.14159), false);  // Double does not fit in float.
  TEST_EQ(vec[4].AsBool(), false);              // Is false before change
  TEST_EQ(vec[4].MutateBool(true), true);       // Can change a bool
  TEST_EQ(vec[4].AsBool(), true);               // Changed bool is now true

// Parse from JSON:
  flatbuffers::Parser parser;
  slb.Clear();
  auto jsontest = "{ a: [ 123, 456.0 ], b: \"hello\", c: true, d: false }";
  TEST_EQ(parser.ParseFlexBuffer(jsontest, nullptr, &slb), true);
  auto jroot = flexbuffers::GetRoot(slb.GetBuffer());
  auto jmap = jroot.AsMap();
  auto jvec = jmap["a"].AsVector();
  TEST_EQ(jvec[0].AsInt64(), 123);
  TEST_EQ(jvec[1].AsDouble(), 456.0);
  TEST_EQ_STR(jmap["b"].AsString().c_str(), "hello");
  TEST_EQ(jmap["c"].IsBool(), true);   // Parsed correctly to a bool
  TEST_EQ(jmap["c"].AsBool(), true);   // Parsed correctly to true
  TEST_EQ(jmap["d"].IsBool(), true);   // Parsed correctly to a bool
  TEST_EQ(jmap["d"].AsBool(), false);  // Parsed correctly to false
  // And from FlexBuffer back to JSON:
  auto jsonback = jroot.ToString();
  TEST_EQ_STR(jsontest, jsonback.c_str());
}

void TypeAliasesTest() {
  flatbuffers::FlatBufferBuilder builder;

builder.Finish(CreateTypeAliases(
      builder, flatbuffers::numeric_limits<int8_t>::min(),
      flatbuffers::numeric_limits<uint8_t>::max(),
      flatbuffers::numeric_limits<int16_t>::min(),
      flatbuffers::numeric_limits<uint16_t>::max(),
      flatbuffers::numeric_limits<int32_t>::min(),
      flatbuffers::numeric_limits<uint32_t>::max(),
      flatbuffers::numeric_limits<int64_t>::min(),
      flatbuffers::numeric_limits<uint64_t>::max(), 2.3f, 2.3));

auto p = builder.GetBufferPointer();
  auto ta = flatbuffers::GetRoot<TypeAliases>(p);

TEST_EQ(ta->i8(), flatbuffers::numeric_limits<int8_t>::min());
  TEST_EQ(ta->u8(), flatbuffers::numeric_limits<uint8_t>::max());
  TEST_EQ(ta->i16(), flatbuffers::numeric_limits<int16_t>::min());
  TEST_EQ(ta->u16(), flatbuffers::numeric_limits<uint16_t>::max());
  TEST_EQ(ta->i32(), flatbuffers::numeric_limits<int32_t>::min());
  TEST_EQ(ta->u32(), flatbuffers::numeric_limits<uint32_t>::max());
  TEST_EQ(ta->i64(), flatbuffers::numeric_limits<int64_t>::min());
  TEST_EQ(ta->u64(), flatbuffers::numeric_limits<uint64_t>::max());
  TEST_EQ(ta->f32(), 2.3f);
  TEST_EQ(ta->f64(), 2.3);
  using namespace flatbuffers; // is_same
  static_assert(is_same<decltype(ta->i8()), int8_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->i16()), int16_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->i32()), int32_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->i64()), int64_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->u8()), uint8_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->u16()), uint16_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->u32()), uint32_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->u64()), uint64_t>::value, "invalid type");
  static_assert(is_same<decltype(ta->f32()), float>::value, "invalid type");
  static_assert(is_same<decltype(ta->f64()), double>::value, "invalid type");
}

void EndianSwapTest() {
  TEST_EQ(flatbuffers::EndianSwap(static_cast<int16_t>(0x1234)), 0x3412);
  TEST_EQ(flatbuffers::EndianSwap(static_cast<int32_t>(0x12345678)),
          0x78563412);
  TEST_EQ(flatbuffers::EndianSwap(static_cast<int64_t>(0x1234567890ABCDEF)),
          0xEFCDAB9078563412);
  TEST_EQ(flatbuffers::EndianSwap(flatbuffers::EndianSwap(3.14f)), 3.14f);
}

void UninitializedVectorTest() {
  flatbuffers::FlatBufferBuilder builder;

Test *buf = nullptr;
  auto vector_offset = builder.CreateUninitializedVectorOfStructs<Test>(2, &buf);
  TEST_NOTNULL(buf);
  buf[0] = Test(10, 20);
  buf[1] = Test(30, 40);

auto required_name = builder.CreateString("myMonster");
  auto monster_builder = MonsterBuilder(builder);
  monster_builder.add_name(required_name); // required field mandated for monster.
  monster_builder.add_test4(vector_offset);
  builder.Finish(monster_builder.Finish());

auto p = builder.GetBufferPointer();
  auto uvt = flatbuffers::GetRoot<Monster>(p);
  TEST_NOTNULL(uvt);
  auto vec = uvt->test4();
  TEST_NOTNULL(vec);
  auto test_0 = vec->Get(0);
  auto test_1 = vec->Get(1);
  TEST_EQ(test_0->a(), 10);
  TEST_EQ(test_0->b(), 20);
  TEST_EQ(test_1->a(), 30);
  TEST_EQ(test_1->b(), 40);
}

void EqualOperatorTest() {
  MonsterT a;
  MonsterT b;
  TEST_EQ(b == a, true);
  TEST_EQ(b != a, false);

b.mana = 33;
  TEST_EQ(b == a, false);
  TEST_EQ(b != a, true);
  b.mana = 150;
  TEST_EQ(b == a, true);
  TEST_EQ(b != a, false);

b.inventory.push_back(3);
  TEST_EQ(b == a, false);
  TEST_EQ(b != a, true);
  b.inventory.clear();
  TEST_EQ(b == a, true);
  TEST_EQ(b != a, false);

b.test.type = Any_Monster;
  TEST_EQ(b == a, false);
  TEST_EQ(b != a, true);
}

// For testing any binaries, e.g. from fuzzing.
void LoadVerifyBinaryTest() {
  std::string binary;
  if (flatbuffers::LoadFile((test_data_path +
                             "fuzzer/your-filename-here").c_str(),
                            true, &binary)) {
    flatbuffers::Verifier verifier(
          reinterpret_cast<const uint8_t *>(binary.data()), binary.size());
    TEST_EQ(VerifyMonsterBuffer(verifier), true);
  }
}

void CreateSharedStringTest() {
  flatbuffers::FlatBufferBuilder builder;
  const auto one1 = builder.CreateSharedString("one");
  const auto two = builder.CreateSharedString("two");
  const auto one2 = builder.CreateSharedString("one");
  TEST_EQ(one1.o, one2.o);
  const auto onetwo = builder.CreateSharedString("onetwo");
  TEST_EQ(onetwo.o != one1.o, true);
  TEST_EQ(onetwo.o != two.o, true);

// Support for embedded nulls
  const char chars_b[] = {'a', '\0', 'b'};
  const char chars_c[] = {'a', '\0', 'c'};
  const auto null_b1 = builder.CreateSharedString(chars_b, sizeof(chars_b));
  const auto null_c = builder.CreateSharedString(chars_c, sizeof(chars_c));
  const auto null_b2 = builder.CreateSharedString(chars_b, sizeof(chars_b));
  TEST_EQ(null_b1.o != null_c.o, true); // Issue#5058 repro
  TEST_EQ(null_b1.o, null_b2.o);

// Put the strings into an array for round trip verification.
  const flatbuffers::Offset<flatbuffers::String> array[7] = { one1, two, one2, onetwo, null_b1, null_c, null_b2 };
  const auto vector_offset = builder.CreateVector(array, flatbuffers::uoffset_t(7));
  MonsterBuilder monster_builder(builder);
  monster_builder.add_name(two);
  monster_builder.add_testarrayofstring(vector_offset);
  builder.Finish(monster_builder.Finish());

// Read the Monster back.
  const auto *monster = flatbuffers::GetRoot<Monster>(builder.GetBufferPointer());
  TEST_EQ_STR(monster->name()->c_str(), "two");
  const auto *testarrayofstring = monster->testarrayofstring();
  TEST_EQ(testarrayofstring->size(), flatbuffers::uoffset_t(7));
  const auto &a = *testarrayofstring;
  TEST_EQ_STR(a[0]->c_str(), "one");
  TEST_EQ_STR(a[1]->c_str(), "two");
  TEST_EQ_STR(a[2]->c_str(), "one");
  TEST_EQ_STR(a[3]->c_str(), "onetwo");
  TEST_EQ(a[4]->str(), (std::string(chars_b, sizeof(chars_b))));
  TEST_EQ(a[5]->str(), (std::string(chars_c, sizeof(chars_c))));
  TEST_EQ(a[6]->str(), (std::string(chars_b, sizeof(chars_b))));

// Make sure String::operator< works, too, since it is related to StringOffsetCompare.
  TEST_EQ((*a[0]) < (*a[1]), true);
  TEST_EQ((*a[1]) < (*a[0]), false);
  TEST_EQ((*a[1]) < (*a[2]), false);
  TEST_EQ((*a[2]) < (*a[1]), true);
  TEST_EQ((*a[4]) < (*a[3]), true);
  TEST_EQ((*a[5]) < (*a[4]), false);
  TEST_EQ((*a[5]) < (*a[4]), false);
  TEST_EQ((*a[6]) < (*a[5]), true);
}

void FixedLengthArrayTest() {
  // VS10 does not support typed enums, exclude from tests
#if !defined(_MSC_VER) || _MSC_VER >= 1700
  // Generate an ArrayTable containing one ArrayStruct.
  flatbuffers::FlatBufferBuilder fbb;
  MyGame::Example::NestedStruct nStruct0(MyGame::Example::TestEnum::B);
  TEST_NOTNULL(nStruct0.mutable_a());
  nStruct0.mutable_a()->Mutate(0, 1);
  nStruct0.mutable_a()->Mutate(1, 2);
  TEST_NOTNULL(nStruct0.mutable_c());
  nStruct0.mutable_c()->Mutate(0, MyGame::Example::TestEnum::C);
  nStruct0.mutable_c()->Mutate(1, MyGame::Example::TestEnum::A);
  MyGame::Example::NestedStruct nStruct1(MyGame::Example::TestEnum::C);
  TEST_NOTNULL(nStruct1.mutable_a());
  nStruct1.mutable_a()->Mutate(0, 3);
  nStruct1.mutable_a()->Mutate(1, 4);
  TEST_NOTNULL(nStruct1.mutable_c());
  nStruct1.mutable_c()->Mutate(0, MyGame::Example::TestEnum::C);
  nStruct1.mutable_c()->Mutate(1, MyGame::Example::TestEnum::A);
  MyGame::Example::ArrayStruct aStruct(2, 12);
  TEST_NOTNULL(aStruct.b());
  TEST_NOTNULL(aStruct.mutable_b());
  TEST_NOTNULL(aStruct.mutable_d());
  for (int i = 0; i < aStruct.b()->size(); i++)
    aStruct.mutable_b()->Mutate(i, i + 1);
  aStruct.mutable_d()->Mutate(0, nStruct0);
  aStruct.mutable_d()->Mutate(1, nStruct1);
  auto aTable = MyGame::Example::CreateArrayTable(fbb, &aStruct);
  fbb.Finish(aTable);

// Verify correctness of the ArrayTable.
  flatbuffers::Verifier verifier(fbb.GetBufferPointer(), fbb.GetSize());
  MyGame::Example::VerifyArrayTableBuffer(verifier);
  auto p = MyGame::Example::GetMutableArrayTable(fbb.GetBufferPointer());
  auto mArStruct = p->mutable_a();
  TEST_NOTNULL(mArStruct);
  TEST_NOTNULL(mArStruct->b());
  TEST_NOTNULL(mArStruct->d());
  TEST_NOTNULL(mArStruct->mutable_b());
  TEST_NOTNULL(mArStruct->mutable_d());
  mArStruct->mutable_b()->Mutate(14, -14);
  TEST_EQ(mArStruct->a(), 2);
  TEST_EQ(mArStruct->b()->size(), 15);
  TEST_EQ(mArStruct->b()->Get(aStruct.b()->size() - 1), -14);
  TEST_EQ(mArStruct->c(), 12);
  TEST_NOTNULL(mArStruct->d()->Get(0).a());
  TEST_EQ(mArStruct->d()->Get(0).a()->Get(0), 1);
  TEST_EQ(mArStruct->d()->Get(0).a()->Get(1), 2);
  TEST_NOTNULL(mArStruct->d()->Get(1).a());
  TEST_EQ(mArStruct->d()->Get(1).a()->Get(0), 3);
  TEST_EQ(mArStruct->d()->Get(1).a()->Get(1), 4);
  TEST_NOTNULL(mArStruct->mutable_d()->GetMutablePointer(1));
  TEST_NOTNULL(mArStruct->mutable_d()->GetMutablePointer(1)->mutable_a());
  mArStruct->mutable_d()->GetMutablePointer(1)->mutable_a()->Mutate(1, 5);
  TEST_EQ(mArStruct->d()->Get(1).a()->Get(1), 5);
  TEST_EQ(mArStruct->d()->Get(0).b() == MyGame::Example::TestEnum::B, true);
  TEST_NOTNULL(mArStruct->d()->Get(0).c());
  TEST_EQ(mArStruct->d()->Get(0).c()->Get(0) == MyGame::Example::TestEnum::C,
          true);
  TEST_EQ(mArStruct->d()->Get(0).c()->Get(1) == MyGame::Example::TestEnum::A,
          true);
  TEST_EQ(mArStruct->d()->Get(1).b() == MyGame::Example::TestEnum::C, true);
  TEST_NOTNULL(mArStruct->d()->Get(1).c());
  TEST_EQ(mArStruct->d()->Get(1).c()->Get(0) == MyGame::Example::TestEnum::C,
          true);
  TEST_EQ(mArStruct->d()->Get(1).c()->Get(1) == MyGame::Example::TestEnum::A,
          true);
  for (int i = 0; i < mArStruct->b()->size() - 1; i++)
    TEST_EQ(mArStruct->b()->Get(i), i + 1);
#endif
}

void NativeTypeTest() {
  const int N = 3;

Geometry::ApplicationDataT src_data;
  src_data.vectors.reserve(N);

for (int i = 0; i < N; ++i) {
    src_data.vectors.push_back (Native::Vector3D(10 * i + 0.1f, 10 * i + 0.2f, 10 * i + 0.3f));
  }

flatbuffers::FlatBufferBuilder fbb;
  fbb.Finish(Geometry::ApplicationData::Pack(fbb, &src_data));

auto dstDataT =  Geometry::UnPackApplicationData(fbb.GetBufferPointer());

for (int i = 0; i < N; ++i) {
    Native::Vector3D& v = dstDataT->vectors[i];
    TEST_EQ(v.x, 10 * i + 0.1f);
    TEST_EQ(v.y, 10 * i + 0.2f);
    TEST_EQ(v.z, 10 * i + 0.3f);
  }
}

void FixedLengthArrayJsonTest(bool binary) {  
  // VS10 does not support typed enums, exclude from tests
#if !defined(_MSC_VER) || _MSC_VER >= 1700
  // load FlatBuffer schema (.fbs) and JSON from disk
  std::string schemafile;
  std::string jsonfile;
  TEST_EQ(
      flatbuffers::LoadFile(
          (test_data_path + "arrays_test." + (binary ? "bfbs" : "fbs")).c_str(),
          binary, &schemafile),
      true);
  TEST_EQ(flatbuffers::LoadFile((test_data_path + "arrays_test.golden").c_str(),
                                false, &jsonfile),
          true);

// parse schema first, so we can use it to parse the data after
  flatbuffers::Parser parserOrg, parserGen;
  if (binary) {
    flatbuffers::Verifier verifier(
        reinterpret_cast<const uint8_t *>(schemafile.c_str()),
        schemafile.size());
    TEST_EQ(reflection::VerifySchemaBuffer(verifier), true);
    TEST_EQ(parserOrg.Deserialize((const uint8_t *)schemafile.c_str(),
                                  schemafile.size()),
            true);
    TEST_EQ(parserGen.Deserialize((const uint8_t *)schemafile.c_str(),
                                  schemafile.size()),
            true);
  } else {
    TEST_EQ(parserOrg.Parse(schemafile.c_str()), true);
    TEST_EQ(parserGen.Parse(schemafile.c_str()), true);
  }
  TEST_EQ(parserOrg.Parse(jsonfile.c_str()), true);

// First, verify it, just in case:
  flatbuffers::Verifier verifierOrg(parserOrg.builder_.GetBufferPointer(),
                                    parserOrg.builder_.GetSize());
  TEST_EQ(VerifyArrayTableBuffer(verifierOrg), true);

// Export to JSON
  std::string jsonGen;
  TEST_EQ(
      GenerateText(parserOrg, parserOrg.builder_.GetBufferPointer(), &jsonGen),
      true);

// Import from JSON
  TEST_EQ(parserGen.Parse(jsonGen.c_str()), true);

// Verify buffer from generated JSON
  flatbuffers::Verifier verifierGen(parserGen.builder_.GetBufferPointer(),
                                    parserGen.builder_.GetSize());
  TEST_EQ(VerifyArrayTableBuffer(verifierGen), true);

// Compare generated buffer to original
  TEST_EQ(parserOrg.builder_.GetSize(), parserGen.builder_.GetSize());
  TEST_EQ(std::memcmp(parserOrg.builder_.GetBufferPointer(),
                      parserGen.builder_.GetBufferPointer(),
                      parserOrg.builder_.GetSize()),
          0);
#else
  (void)binary;
#endif
}

int FlatBufferTests() {
  // clang-format off

// Run our various test suites:

std::string rawbuf;
  auto flatbuf1 = CreateFlatBufferTest(rawbuf);
  #if !defined(FLATBUFFERS_CPP98_STL)
    auto flatbuf = std::move(flatbuf1);  // Test move assignment.
  #else
    auto &flatbuf = flatbuf1;
  #endif // !defined(FLATBUFFERS_CPP98_STL)

TriviallyCopyableTest();

AccessFlatBufferTest(reinterpret_cast<const uint8_t *>(rawbuf.c_str()),
                       rawbuf.length());
  AccessFlatBufferTest(flatbuf.data(), flatbuf.size());

MutateFlatBuffersTest(flatbuf.data(), flatbuf.size());

ObjectFlatBuffersTest(flatbuf.data());

MiniReflectFlatBuffersTest(flatbuf.data());

SizePrefixedTest();

#ifndef FLATBUFFERS_NO_FILE_TESTS
    #ifdef FLATBUFFERS_TEST_PATH_PREFIX
      test_data_path = FLATBUFFERS_STRING(FLATBUFFERS_TEST_PATH_PREFIX) +
                       test_data_path;
    #endif
    ParseAndGenerateTextTest(false);
    ParseAndGenerateTextTest(true);
    FixedLengthArrayJsonTest(false);
    FixedLengthArrayJsonTest(true);
    ReflectionTest(flatbuf.data(), flatbuf.size());
    ParseProtoTest();
    UnionVectorTest();
    LoadVerifyBinaryTest();
    GenerateTableTextTest();
  #endif
  // clang-format on

FuzzTest1();
  FuzzTest2();

ErrorTest();
  ValueTest();
  EnumValueTest();
  EnumStringsTest();
  EnumNamesTest();
  EnumOutOfRangeTest();
  IntegerOutOfRangeTest();
  IntegerBoundaryTest();
  UnicodeTest();
  UnicodeTestAllowNonUTF8();
  UnicodeTestGenerateTextFailsOnNonUTF8();
  UnicodeSurrogatesTest();
  UnicodeInvalidSurrogatesTest();
  InvalidUTF8Test();
  UnknownFieldsTest();
  ParseUnionTest();
  InvalidNestedFlatbufferTest();
  ConformTest();
  ParseProtoBufAsciiTest();
  TypeAliasesTest();
  EndianSwapTest();
  CreateSharedStringTest();
  JsonDefaultTest();
  JsonEnumsTest();
  FlexBuffersTest();
  UninitializedVectorTest();
  EqualOperatorTest();
  NumericUtilsTest();
  IsAsciiUtilsTest();
  ValidFloatTest();
  InvalidFloatTest();
  TestMonsterExtraFloats();
  FixedLengthArrayTest();
  NativeTypeTest();
  return 0;
}

int main(int /*argc*/, const char * /*argv*/ []) {
  InitTestEngine();

std::string req_locale;
  if (flatbuffers::ReadEnvironmentVariable("FLATBUFFERS_TEST_LOCALE",
                                           &req_locale)) {
    TEST_OUTPUT_LINE("The environment variable FLATBUFFERS_TEST_LOCALE=%s",
                     req_locale.c_str());
    req_locale = flatbuffers::RemoveStringQuotes(req_locale);
    std::string the_locale;
    TEST_ASSERT_FUNC(
        flatbuffers::SetGlobalTestLocale(req_locale.c_str(), &the_locale));
    TEST_OUTPUT_LINE("The global C-locale changed: %s", the_locale.c_str());
  }

FlatBufferTests();
  FlatBufferBuilderTest();

if (!testing_fails) {
    TEST_OUTPUT_LINE("ALL TESTS PASSED");
  } else {
    TEST_OUTPUT_LINE("%d FAILED TESTS", testing_fails);
  }
  return CloseTestEngine();
}

cmd: