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test.cpp
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test.cpp
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/*
* 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 <stdint.h>
#include <cmath>
#include <limits>
#include <memory>
#include <string>
#include "evolution_test.h"
#include "alignment_test.h"
#include "flatbuffers/flatbuffers.h"
#include "flatbuffers/idl.h"
#include "flatbuffers/minireflect.h"
#include "flatbuffers/registry.h"
#include "flatbuffers/util.h"
#include "fuzz_test.h"
#include "json_test.h"
#include "monster_test.h"
#include "monster_test_generated.h"
#include "optional_scalars_test.h"
#include "native_inline_table_test_generated.h"
#include "parser_test.h"
#include "proto_test.h"
#include "reflection_test.h"
#include "union_vector/union_vector_generated.h"
#if !defined(_MSC_VER) || _MSC_VER >= 1700
# include "arrays_test_generated.h"
#endif
#include "flexbuffers_test.h"
#include "is_quiet_nan.h"
#include "monster_test_bfbs_generated.h" // Generated using --bfbs-comments --bfbs-builtins --cpp --bfbs-gen-embed
#include "native_type_test_generated.h"
#include "test_assert.h"
#include "util_test.h"
void FlatBufferBuilderTest();
namespace flatbuffers {
namespace tests {
namespace {
// 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
using namespace MyGame::Example;
void TriviallyCopyableTest() {
// clang-format off
#if __GNUG__ && __GNUC__ < 5 && \
!(defined(__clang__) && __clang_major__ >= 16)
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
}
// Guard against -Wunused-function on platforms without file tests.
#ifndef FLATBUFFERS_NO_FILE_TESTS
void GenerateTableTextTest(const std::string &tests_data_path) {
std::string schemafile;
std::string jsonfile;
bool ok =
flatbuffers::LoadFile((tests_data_path + "monster_test.fbs").c_str(),
false, &schemafile) &&
flatbuffers::LoadFile((tests_data_path + "monsterdata_test.json").c_str(),
false, &jsonfile);
TEST_EQ(ok, true);
auto include_test_path =
flatbuffers::ConCatPathFileName(tests_data_path, "include_test");
const char *include_directories[] = { tests_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());
const auto abilities = monster->testarrayofsortedstruct();
TEST_EQ(abilities->size(), 3);
TEST_EQ(abilities->Get(0)->id(), 0);
TEST_EQ(abilities->Get(0)->distance(), 45);
TEST_EQ(abilities->Get(1)->id(), 1);
TEST_EQ(abilities->Get(1)->distance(), 21);
TEST_EQ(abilities->Get(2)->id(), 5);
TEST_EQ(abilities->Get(2)->distance(), 12);
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}");
}
void MultiFileNameClashTest(const std::string &tests_data_path) {
const auto name_clash_path =
flatbuffers::ConCatPathFileName(tests_data_path, "name_clash_test");
const char *include_directories[] = { name_clash_path.c_str() };
// Load valid 2 file Flatbuffer schema
const auto valid_path =
flatbuffers::ConCatPathFileName(name_clash_path, "valid_test1.fbs");
std::string valid_schema;
TEST_ASSERT(flatbuffers::LoadFile(valid_path.c_str(), false, &valid_schema));
// Clashing table and union names in different namespaces must be parsable
TEST_ASSERT(
flatbuffers::Parser().Parse(valid_schema.c_str(), include_directories));
flatbuffers::Parser p;
TEST_ASSERT(p.Parse(valid_schema.c_str(), include_directories));
// Load invalid 2 file Flatbuffer schema
const auto invalid_path =
flatbuffers::ConCatPathFileName(name_clash_path, "invalid_test1.fbs");
std::string invalid_schema;
TEST_ASSERT(
flatbuffers::LoadFile(invalid_path.c_str(), false, &invalid_schema));
// Clashing table and union names in same namespace must fail to parse
TEST_EQ(
flatbuffers::Parser().Parse(invalid_schema.c_str(), include_directories),
false);
}
void InvalidNestedFlatbufferTest(const std::string &tests_data_path) {
// First, load and parse FlatBuffer schema (.fbs)
std::string schemafile;
TEST_EQ(flatbuffers::LoadFile((tests_data_path + "monster_test.fbs").c_str(),
false, &schemafile),
true);
auto include_test_path =
flatbuffers::ConCatPathFileName(tests_data_path, "include_test");
const char *include_directories[] = { tests_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);
}
void UnionVectorTest(const std::string &tests_data_path) {
// load FlatBuffer fbs schema and json.
std::string schemafile, jsonfile;
TEST_EQ(flatbuffers::LoadFile(
(tests_data_path + "union_vector/union_vector.fbs").c_str(),
false, &schemafile),
true);
TEST_EQ(flatbuffers::LoadFile(
(tests_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);
flatbuffers::Verifier verifier(fbb.GetBufferPointer(), fbb.GetSize());
TEST_EQ(VerifyMovieBuffer(verifier), true);
auto flat_movie = GetMovie(fbb.GetBufferPointer());
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);
// Generate text using mini-reflection.
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"
"}");
// Generate text using parsed schema.
std::string jsongen;
auto result = GenerateText(parser, fbb.GetBufferPointer(), &jsongen);
TEST_EQ(result, true);
TEST_EQ_STR(jsongen.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"
"}\n");
// Simple test with reflection.
parser.Serialize();
auto schema = reflection::GetSchema(parser.builder_.GetBufferPointer());
auto ok = flatbuffers::Verify(*schema, *schema->root_table(),
fbb.GetBufferPointer(), fbb.GetSize());
TEST_EQ(ok, true);
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);
}
#endif
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);
a.enemy.reset(new MonsterT());
TEST_EQ(b != a, true);
a.enemy->mana = 33;
TEST_EQ(b == a, false);
TEST_EQ(b != a, true);
b.enemy.reset(new MonsterT());
TEST_EQ(b == a, false);
TEST_EQ(b != a, true);
b.enemy->mana = 33;
TEST_EQ(b == a, true);
TEST_EQ(b != a, false);
a.enemy.reset(nullptr);
TEST_EQ(b == a, false);
TEST_EQ(b != a, true);
b.enemy->mana = 150;
TEST_EQ(b == a, false);
TEST_EQ(b != a, true);
a.enemy.reset(new MonsterT());
TEST_EQ(b == a, true);
TEST_EQ(b != a, false);
b.enemy.reset(nullptr);
b.test.type = Any_Monster;
TEST_EQ(b == a, false);
TEST_EQ(b != a, true);
// Test that vector of tables are compared by value and not by reference.
{
// Two tables are equal by default.
MonsterT a, b;
TEST_EQ(a == b, true);
// Adding only a table to one of the monster vectors should make it not
// equal (due to size mistmatch).
a.testarrayoftables.push_back(
flatbuffers::unique_ptr<MonsterT>(new MonsterT));
TEST_EQ(a == b, false);
// Adding an equalivant table to the other monster vector should make it
// equal again.
b.testarrayoftables.push_back(
flatbuffers::unique_ptr<MonsterT>(new MonsterT));
TEST_EQ(a == b, true);
// Create two new monsters that are different.
auto c = flatbuffers::unique_ptr<MonsterT>(new MonsterT);
auto d = flatbuffers::unique_ptr<MonsterT>(new MonsterT);
c->hp = 1;
d->hp = 2;
TEST_EQ(c == d, false);
// Adding them to the original monsters should also make them different.
a.testarrayoftables.push_back(std::move(c));
b.testarrayoftables.push_back(std::move(d));
TEST_EQ(a == b, false);
// Remove the mismatching monsters to get back to equality
a.testarrayoftables.pop_back();
b.testarrayoftables.pop_back();
TEST_EQ(a == b, true);
// Check that nullptr are OK.
a.testarrayoftables.push_back(nullptr);
b.testarrayoftables.push_back(
flatbuffers::unique_ptr<MonsterT>(new MonsterT));
TEST_EQ(a == b, false);
}
}
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.
std::array<flatbuffers::Offset<flatbuffers::String>, 7> array = {
one1, two, one2, onetwo, null_b1, null_c, null_b2
};
const auto vector_offset =
builder.CreateVector<flatbuffers::Offset<flatbuffers::String>>(array);
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);
}
#if !defined(FLATBUFFERS_USE_STD_SPAN) && !defined(FLATBUFFERS_SPAN_MINIMAL)
void FlatbuffersSpanTest() {
// Compile-time checking of non-const [] to const [] conversions.
using flatbuffers::internal::is_span_convertible;
(void)is_span_convertible<int, 1, int, 1>::type(123);
(void)is_span_convertible<const int, 1, int, 1>::type(123);
(void)is_span_convertible<const int64_t, 1, int64_t, 1>::type(123);
(void)is_span_convertible<const uint64_t, 1, uint64_t, 1>::type(123);
(void)is_span_convertible<const int, 1, const int, 1>::type(123);
(void)is_span_convertible<const int64_t, 1, const int64_t, 1>::type(123);
(void)is_span_convertible<const uint64_t, 1, const uint64_t, 1>::type(123);
using flatbuffers::span;
span<char, 0> c1;
TEST_EQ(c1.size(), 0);
span<char, flatbuffers::dynamic_extent> c2;
TEST_EQ(c2.size(), 0);
span<char> c3;
TEST_EQ(c3.size(), 0);
TEST_ASSERT(c1.empty() && c2.empty() && c3.empty());
int i_data7[7] = { 0, 1, 2, 3, 4, 5, 6 };
span<int, 7> i1(&i_data7[0], 7);
span<int> i2(i1); // make dynamic from static
TEST_EQ(i1.size(), 7);
TEST_EQ(i1.empty(), false);
TEST_EQ(i1.size(), i2.size());
TEST_EQ(i1.data(), i_data7);
TEST_EQ(i1[2], 2);
// Make const span from a non-const one.
span<const int, 7> i3(i1);
// Construct from a C-array.
span<int, 7> i4(i_data7);
span<const int, 7> i5(i_data7);
span<int> i6(i_data7);
span<const int> i7(i_data7);
TEST_EQ(i7.size(), 7);
// Check construction from a const array.
const int i_cdata5[5] = { 4, 3, 2, 1, 0 };
span<const int, 5> i8(i_cdata5);
span<const int> i9(i_cdata5);
TEST_EQ(i9.size(), 5);
// Construction from a (ptr, size) pair.
span<int, 7> i10(i_data7, 7);
span<int> i11(i_data7, 7);
TEST_EQ(i11.size(), 7);
span<const int, 5> i12(i_cdata5, 5);
span<const int> i13(i_cdata5, 5);
TEST_EQ(i13.size(), 5);
// Construction from std::array.
std::array<int, 6> i_arr6 = { { 0, 1, 2, 3, 4, 5 } };
span<int, 6> i14(i_arr6);
span<const int, 6> i15(i_arr6);
span<int> i16(i_arr6);
span<const int> i17(i_arr6);
TEST_EQ(i17.size(), 6);
const std::array<int, 8> i_carr8 = { { 0, 1, 2, 3, 4, 5, 6, 7 } };
span<const int, 8> i18(i_carr8);
span<const int> i19(i_carr8);
TEST_EQ(i18.size(), 8);
TEST_EQ(i19.size(), 8);
TEST_EQ(i19[7], 7);
// Check compatibility with flatbuffers::Array.
int fbs_int3_underlaying[3] = { 0 };
int fbs_int3_data[3] = { 1, 2, 3 };
auto &fbs_int3 = flatbuffers::CastToArray(fbs_int3_underlaying);
fbs_int3.CopyFromSpan(fbs_int3_data);
TEST_EQ(fbs_int3.Get(1), 2);
const int fbs_cint3_data[3] = { 2, 3, 4 };
fbs_int3.CopyFromSpan(fbs_cint3_data);
TEST_EQ(fbs_int3.Get(1), 3);
// Check with Array<Enum, N>
enum class Dummy : uint16_t { Zero = 0, One, Two };
Dummy fbs_dummy3_underlaying[3] = {};
Dummy fbs_dummy3_data[3] = { Dummy::One, Dummy::Two, Dummy::Two };
auto &fbs_dummy3 = flatbuffers::CastToArray(fbs_dummy3_underlaying);
fbs_dummy3.CopyFromSpan(fbs_dummy3_data);
TEST_EQ(fbs_dummy3.Get(1), Dummy::Two);
}
#else
void FlatbuffersSpanTest() {}
#endif
// VS10 does not support typed enums, exclude from tests
#if !defined(_MSC_VER) || _MSC_VER >= 1700
void FixedLengthArrayTest() {
// 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);
TEST_NOTNULL(nStruct0.mutable_d());
nStruct0.mutable_d()->Mutate(0, flatbuffers::numeric_limits<int64_t>::max());
nStruct0.mutable_d()->Mutate(1, flatbuffers::numeric_limits<int64_t>::min());
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);
TEST_NOTNULL(nStruct1.mutable_d());
nStruct1.mutable_d()->Mutate(0, flatbuffers::numeric_limits<int64_t>::min());
nStruct1.mutable_d()->Mutate(1, flatbuffers::numeric_limits<int64_t>::max());
MyGame::Example::ArrayStruct aStruct(2, 12, 1);
TEST_NOTNULL(aStruct.b());
TEST_NOTNULL(aStruct.mutable_b());
TEST_NOTNULL(aStruct.mutable_d());
TEST_NOTNULL(aStruct.mutable_f());
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);
MyGame::Example::FinishArrayTableBuffer(fbb, aTable);
// Verify correctness of the ArrayTable.
flatbuffers::Verifier verifier(fbb.GetBufferPointer(), fbb.GetSize());
TEST_ASSERT(MyGame::Example::VerifyArrayTableBuffer(verifier));
// Do test.
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->f());
TEST_NOTNULL(mArStruct->mutable_b());
TEST_NOTNULL(mArStruct->mutable_d());
TEST_NOTNULL(mArStruct->mutable_f());
TEST_EQ(mArStruct->a(), 2);
TEST_EQ(mArStruct->b()->size(), 15);
mArStruct->mutable_b()->Mutate(14, -14);
TEST_EQ(mArStruct->b()->Get(14), -14);
TEST_EQ(mArStruct->c(), 12);
TEST_NOTNULL(mArStruct->d()->Get(0));
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));
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(5, mArStruct->d()->Get(1)->a()->Get(1));
TEST_EQ(MyGame::Example::TestEnum::B, mArStruct->d()->Get(0)->b());
TEST_NOTNULL(mArStruct->d()->Get(0)->c());
TEST_EQ(MyGame::Example::TestEnum::C, mArStruct->d()->Get(0)->c()->Get(0));
TEST_EQ(MyGame::Example::TestEnum::A, mArStruct->d()->Get(0)->c()->Get(1));
TEST_EQ(flatbuffers::numeric_limits<int64_t>::max(),
mArStruct->d()->Get(0)->d()->Get(0));
TEST_EQ(flatbuffers::numeric_limits<int64_t>::min(),
mArStruct->d()->Get(0)->d()->Get(1));
TEST_EQ(MyGame::Example::TestEnum::C, mArStruct->d()->Get(1)->b());
TEST_NOTNULL(mArStruct->d()->Get(1)->c());
TEST_EQ(MyGame::Example::TestEnum::C, mArStruct->d()->Get(1)->c()->Get(0));
TEST_EQ(MyGame::Example::TestEnum::A, mArStruct->d()->Get(1)->c()->Get(1));
TEST_EQ(flatbuffers::numeric_limits<int64_t>::min(),
mArStruct->d()->Get(1)->d()->Get(0));
TEST_EQ(flatbuffers::numeric_limits<int64_t>::max(),
mArStruct->d()->Get(1)->d()->Get(1));
for (int i = 0; i < mArStruct->b()->size() - 1; i++)
TEST_EQ(mArStruct->b()->Get(i), i + 1);
// Check alignment
TEST_EQ(0, reinterpret_cast<uintptr_t>(mArStruct->d()) % 8);
TEST_EQ(0, reinterpret_cast<uintptr_t>(mArStruct->f()) % 8);
// Check if default constructor set all memory zero
const size_t arr_size = sizeof(MyGame::Example::ArrayStruct);
char non_zero_memory[arr_size];
// set memory chunk of size ArrayStruct to 1's
std::memset(static_cast<void *>(non_zero_memory), 1, arr_size);
// after placement-new it should be all 0's
# if defined(_MSC_VER) && defined(_DEBUG)
# undef new
# endif
MyGame::Example::ArrayStruct *ap =
new (non_zero_memory) MyGame::Example::ArrayStruct;
# if defined(_MSC_VER) && defined(_DEBUG)
# define new DEBUG_NEW
# endif
(void)ap;
for (size_t i = 0; i < arr_size; ++i) { TEST_EQ(non_zero_memory[i], 0); }
}
#else
void FixedLengthArrayTest() {}
#endif // !defined(_MSC_VER) || _MSC_VER >= 1700
#if !defined(FLATBUFFERS_SPAN_MINIMAL) && \
(!defined(_MSC_VER) || _MSC_VER >= 1700)
void FixedLengthArrayConstructorTest() {
const int32_t nested_a[2] = { 1, 2 };
MyGame::Example::TestEnum nested_c[2] = { MyGame::Example::TestEnum::A,
MyGame::Example::TestEnum::B };
const int64_t int64_2[2] = { -2, -1 };
std::array<MyGame::Example::NestedStruct, 2> init_d = {
{ MyGame::Example::NestedStruct(nested_a, MyGame::Example::TestEnum::B,
nested_c, int64_2),
MyGame::Example::NestedStruct(nested_a, MyGame::Example::TestEnum::A,
nested_c,
std::array<int64_t, 2>{ { 12, 13 } }) }
};
MyGame::Example::ArrayStruct arr_struct(
8.125,
std::array<int32_t, 0xF>{
{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } },
-17, init_d, 10, int64_2);
TEST_EQ(arr_struct.a(), 8.125);
TEST_EQ(arr_struct.b()->Get(2), 3);
TEST_EQ(arr_struct.c(), -17);
TEST_NOTNULL(arr_struct.d());
const auto &arr_d_0 = *arr_struct.d()->Get(0);
TEST_EQ(arr_d_0.a()->Get(0), 1);
TEST_EQ(arr_d_0.a()->Get(1), 2);
TEST_EQ(arr_d_0.b(), MyGame::Example::TestEnum::B);
TEST_EQ(arr_d_0.c()->Get(0), MyGame::Example::TestEnum::A);
TEST_EQ(arr_d_0.c()->Get(1), MyGame::Example::TestEnum::B);
TEST_EQ(arr_d_0.d()->Get(0), -2);
TEST_EQ(arr_d_0.d()->Get(1), -1);
const auto &arr_d_1 = *arr_struct.d()->Get(1);
TEST_EQ(arr_d_1.a()->Get(0), 1);
TEST_EQ(arr_d_1.a()->Get(1), 2);
TEST_EQ(arr_d_1.b(), MyGame::Example::TestEnum::A);
TEST_EQ(arr_d_1.c()->Get(0), MyGame::Example::TestEnum::A);
TEST_EQ(arr_d_1.c()->Get(1), MyGame::Example::TestEnum::B);
TEST_EQ(arr_d_1.d()->Get(0), 12);
TEST_EQ(arr_d_1.d()->Get(1), 13);
TEST_EQ(arr_struct.e(), 10);
TEST_EQ(arr_struct.f()->Get(0), -2);
TEST_EQ(arr_struct.f()->Get(1), -1);
}
#else
void FixedLengthArrayConstructorTest() {}
#endif
void NativeTypeTest() {
const int N = 3;
Geometry::ApplicationDataT src_data;
src_data.vectors.reserve(N);
src_data.vectors_alt.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));
src_data.vectors_alt.push_back(
Native::Vector3D(20 * i + 0.1f, 20 * i + 0.2f, 20 * 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) {
const 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);
const Native::Vector3D &v2 = dstDataT->vectors_alt[i];
TEST_EQ(v2.x, 20 * i + 0.1f);
TEST_EQ(v2.y, 20 * i + 0.2f);
TEST_EQ(v2.z, 20 * i + 0.3f);
}
}
// Guard against -Wunused-function on platforms without file tests.
#ifndef FLATBUFFERS_NO_FILE_TESTS
// VS10 does not support typed enums, exclude from tests
#if !defined(_MSC_VER) || _MSC_VER >= 1700
void FixedLengthArrayJsonTest(const std::string &tests_data_path, bool binary) {
// load FlatBuffer schema (.fbs) and JSON from disk
std::string schemafile;
std::string jsonfile;
TEST_EQ(flatbuffers::LoadFile(
(tests_data_path + "arrays_test." + (binary ? "bfbs" : "fbs"))
.c_str(),
binary, &schemafile),
true);
TEST_EQ(
flatbuffers::LoadFile((tests_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(
reinterpret_cast<const uint8_t *>(schemafile.c_str()),
schemafile.size()),
true);
TEST_EQ(parserGen.Deserialize(
reinterpret_cast<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);
}
void FixedLengthArraySpanTest(const std::string &tests_data_path) {
// load FlatBuffer schema (.fbs) and JSON from disk
std::string schemafile;
std::string jsonfile;
TEST_EQ(flatbuffers::LoadFile((tests_data_path + "arrays_test.fbs").c_str(),
false, &schemafile),
true);
TEST_EQ(
flatbuffers::LoadFile((tests_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 parser;
TEST_EQ(parser.Parse(schemafile.c_str()), true);
TEST_EQ(parser.Parse(jsonfile.c_str()), true);
auto &fbb = parser.builder_;
auto verifier = flatbuffers::Verifier(fbb.GetBufferPointer(), fbb.GetSize());
TEST_EQ(true, VerifyArrayTableBuffer(verifier));
auto p = MyGame::Example::GetMutableArrayTable(fbb.GetBufferPointer());
TEST_NOTNULL(p);
auto table_struct = p->mutable_a();
TEST_NOTNULL(table_struct);
TEST_EQ(2, table_struct->d()->size());
TEST_NOTNULL(table_struct->d());
TEST_NOTNULL(table_struct->mutable_d());
// test array of structs
auto const_d = flatbuffers::make_span(*table_struct->d());
auto mutable_d = flatbuffers::make_span(*table_struct->mutable_d());
TEST_EQ(2, const_d.size());
TEST_EQ(2, mutable_d.size());
TEST_ASSERT(const_d[0] == mutable_d[0]);
TEST_ASSERT(const_d[1] == mutable_d[1]);
mutable_d[0] = const_d[0]; // mutate
// test scalars
auto &const_nested = const_d[0];
auto &mutable_nested = mutable_d[0];
static_assert(sizeof(MyGame::Example::TestEnum) == sizeof(uint8_t),
"TestEnum's underlaying type must by byte");
TEST_NOTNULL(const_nested.d());
TEST_NOTNULL(mutable_nested.d());
{
flatbuffers::span<const MyGame::Example::TestEnum, 2> const_d_c =
flatbuffers::make_span(*const_nested.c());
auto mutable_d_c = flatbuffers::make_span(*mutable_nested.mutable_c());
TEST_EQ(2, const_d_c.size());
TEST_EQ(2, mutable_d_c.size());
TEST_EQ(MyGame::Example::TestEnum::C, const_d_c[0]);
TEST_EQ(MyGame::Example::TestEnum::B, const_d_c[1]);
TEST_ASSERT(mutable_d_c.end() == std::copy(const_d_c.begin(),
const_d_c.end(),
mutable_d_c.begin()));
TEST_ASSERT(
std::equal(const_d_c.begin(), const_d_c.end(), mutable_d_c.begin()));
}
// test little endian array of int32
# if FLATBUFFERS_LITTLEENDIAN
{
flatbuffers::span<const int32_t, 2> const_d_a =
flatbuffers::make_span(*const_nested.a());
auto mutable_d_a = flatbuffers::make_span(*mutable_nested.mutable_a());
TEST_EQ(2, const_d_a.size());
TEST_EQ(2, mutable_d_a.size());
TEST_EQ(-1, const_d_a[0]);
TEST_EQ(2, const_d_a[1]);
TEST_ASSERT(mutable_d_a.end() == std::copy(const_d_a.begin(),
const_d_a.end(),
mutable_d_a.begin()));
TEST_ASSERT(
std::equal(const_d_a.begin(), const_d_a.end(), mutable_d_a.begin()));
}
# endif
}
#else
void FixedLengthArrayJsonTest(bool /*binary*/) {}
void FixedLengthArraySpanTest() {}
#endif
void TestEmbeddedBinarySchema(const std::string &tests_data_path) {
// load JSON from disk
std::string jsonfile;
TEST_EQ(flatbuffers::LoadFile(
(tests_data_path + "monsterdata_test.golden").c_str(), false,
&jsonfile),
true);