mirror of
https://github.com/msgpack/msgpack-c.git
synced 2025-05-02 07:31:38 +02:00
309e96087a
- Added new exceptions to explain limit over errors. - Fixed ext maximum size problem. Problem: The type of m_trail was uint32_t but when parsing ext, it could be 0xffffffff + 1. +1 means type. See https://github.com/msgpack/msgpack/blob/master/spec.md#ext-format-family Solution: Modified the type of m_trail as std::size_t. If sizeof(std::size_t) == 4, 0xffffffff size of ext is an error. If sizeof(std::size_t) == 8, 0xffffffff size of ext is not an error. m_trail is 0xffffffff + 1. Design cohice: I chose std::size_t as the m_trail's type instead of uint64_t intentionally. On 64 addressing bit environment, there is no problem. On 32 bit environment, there is no problem except ext with maximum size. There is only one exception in the all msgpack format. Using uint64_t to support that, it's very expensive. On 32 addressing bit environment, allocating 0xffffffff + 1 bytes of memory couldn't succeed, so I believe that throwing an exception is a reasonable design choice in the case.
510 lines
12 KiB
C++
510 lines
12 KiB
C++
#include <msgpack.hpp>
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#include <gtest/gtest.h>
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#include <sstream>
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TEST(limit, unpack_array_no_over)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(3, 0, 0, 0, 0));
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EXPECT_TRUE(true);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(false);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_map_no_over)
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{
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std::stringstream ss;
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std::map<int, int> m;
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m[1] = 1;
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m[2] = 2;
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m[3] = 3;
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msgpack::pack(ss, m);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 3, 0, 0, 0));
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EXPECT_TRUE(true);
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}
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catch(msgpack::map_size_overflow const&) {
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EXPECT_TRUE(false);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_map_over)
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{
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std::stringstream ss;
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std::map<int, int> m;
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m[1] = 1;
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m[2] = 2;
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m[3] = 3;
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msgpack::pack(ss, m);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 2, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::map_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_str_no_over)
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{
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std::stringstream ss;
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std::string s("123");
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msgpack::pack(ss, s);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 3, 0, 0));
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EXPECT_TRUE(true);
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}
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catch(msgpack::str_size_overflow const&) {
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EXPECT_TRUE(false);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_str_over)
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{
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std::stringstream ss;
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std::string s("123");
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msgpack::pack(ss, s);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 2, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::str_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_bin_no_over)
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{
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std::stringstream ss;
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std::vector<char> v;
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v.push_back('1');
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v.push_back('2');
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v.push_back('3');
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msgpack::pack(ss, v);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 0, 3, 0));
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EXPECT_TRUE(true);
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}
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catch(msgpack::bin_size_overflow const&) {
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EXPECT_TRUE(false);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_bin_over)
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{
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std::stringstream ss;
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std::vector<char> v;
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v.push_back('1');
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v.push_back('2');
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v.push_back('3');
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msgpack::pack(ss, v);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 0, 2, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::bin_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_ext_no_over)
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{
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std::stringstream ss;
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msgpack::packer<std::stringstream> packer(ss);
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char const buf [] = { 1, 2, 3 };
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packer.pack_ext(sizeof(buf), 1);
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packer.pack_ext_body(buf, sizeof(buf));
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 0, 0, 3+1));
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EXPECT_TRUE(true);
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}
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catch(msgpack::ext_size_overflow const&) {
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EXPECT_TRUE(false);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_ext_over)
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{
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std::stringstream ss;
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msgpack::packer<std::stringstream> packer(ss);
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char const buf [] = { 1, 2, 3 };
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packer.pack_ext(sizeof(buf), 1);
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packer.pack_ext_body(buf, sizeof(buf));
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 0, 0, 2+1));
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EXPECT_TRUE(false);
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}
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catch(msgpack::ext_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_ext_over_32_bit)
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{
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if (sizeof(std::size_t) == 4) {
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char const buf [] = {
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static_cast<char>(0xc9),
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static_cast<char>(0xff),
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static_cast<char>(0xff),
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static_cast<char>(0xff),
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static_cast<char>(0xff),
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static_cast<char>(0x01),
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};
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, buf, sizeof(buf), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 0, 0, 0xffffffff));
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EXPECT_TRUE(false);
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}
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catch(msgpack::ext_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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}
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TEST(limit, unpack_ext_no_over_64_bit)
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{
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if (sizeof(std::size_t) == 8) {
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char const buf [] = {
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static_cast<char>(0xc9),
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static_cast<char>(0xff),
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static_cast<char>(0xff),
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static_cast<char>(0xff),
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static_cast<char>(0xff),
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static_cast<char>(0x01),
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};
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, buf, sizeof(buf), nullptr, nullptr,
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msgpack::unpack_limit(0, 0, 0, 0, 0xffffffff));
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EXPECT_TRUE(false);
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}
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catch(msgpack::ext_size_overflow const&) {
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EXPECT_TRUE(false);
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}
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catch(msgpack::insufficient_bytes const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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}
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#if !defined(MSGPACK_USE_CPP03)
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TEST(limit, unpack_array_over_cpp11_no_off_no_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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msgpack::unpacked unp =
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msgpack::unpack(ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over_cpp11_no_off_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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bool ref;
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msgpack::unpacked unp =
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msgpack::unpack(ss.str().c_str(), ss.str().size(), ref, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over_cpp11_off_no_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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std::size_t off = 0;
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msgpack::unpacked unp =
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msgpack::unpack(ss.str().c_str(), ss.str().size(), off, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over_cpp11_off_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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bool ref;
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std::size_t off = 0;
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msgpack::unpacked unp =
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msgpack::unpack(ss.str().c_str(), ss.str().size(), off, ref, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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#endif // !defined(MSGPACK_USE_CPP03)
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TEST(limit, unpack_array_over_no_off_no_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over_no_off_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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bool ref;
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), ref, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over_off_no_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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std::size_t off = 0;
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), off, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpack_array_over_off_ref)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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bool ref;
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std::size_t off = 0;
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msgpack::unpacked unp;
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msgpack::unpack(unp, ss.str().c_str(), ss.str().size(), off, ref, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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// obsolete
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TEST(limit, unpack_array_over_off_ref_pointer)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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bool ref;
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std::size_t off = 0;
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msgpack::unpacked unp;
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msgpack::unpack(&unp, ss.str().c_str(), ss.str().size(), &off, &ref, nullptr, nullptr,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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TEST(limit, unpacker_array_over)
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{
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std::stringstream ss;
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std::vector<int> v;
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v.push_back(1);
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v.push_back(2);
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v.push_back(3);
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msgpack::pack(ss, v);
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try {
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msgpack::unpacker u(nullptr, nullptr, MSGPACK_UNPACKER_INIT_BUFFER_SIZE,
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msgpack::unpack_limit(2, 0, 0, 0, 0));
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u.reserve_buffer(ss.str().size());
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memcpy(u.buffer(), ss.str().c_str(), ss.str().size());
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u.buffer_consumed(ss.str().size());
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msgpack::unpacked unp;
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u.next(unp);
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EXPECT_TRUE(false);
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}
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catch(msgpack::array_size_overflow const&) {
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EXPECT_TRUE(true);
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}
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catch(...) {
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EXPECT_TRUE(false);
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}
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}
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