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/***
* Copyright (C) Microsoft. All rights reserved.
* Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
*
* =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+
* fuzz_tests.cpp
*
* Fuzz tests for the JSON library.
*
* =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
****/
#include "cpprest/json.h"
#include "cpprest/containerstream.h"
#include "cpprest/filestream.h"
#include "unittestpp.h"
using namespace web;
namespace tests
{
namespace functional
{
namespace json_tests
{
#ifdef _WIN32
SUITE(json_fuzz_tests)
{
std::string get_fuzzed_file_path()
{
std::string ipfile;
if (UnitTest::GlobalSettings::Has("fuzzedinputfile"))
{
ipfile = UnitTest::GlobalSettings::Get("fuzzedinputfile");
}
return ipfile;
}
TEST(fuzz_json_parser, "Requires", "fuzzedinputfile")
{
std::wstring ipfile = utility::conversions::to_utf16string(get_fuzzed_file_path());
if (true == ipfile.empty())
{
VERIFY_IS_TRUE(false, "Input file is empty");
return;
}
auto fs = Concurrency::streams::file_stream<uint8_t>::open_istream(ipfile).get();
concurrency::streams::container_buffer<std::string> cbuf;
fs.read_to_end(cbuf).get();
fs.close().get();
auto json_str = cbuf.collection();
// Look for UTF-8 BOM
if ((uint8_t)json_str[0] != 0xEF || (uint8_t)json_str[1] != 0xBB || (uint8_t)json_str[2] != 0xBF)
{
VERIFY_IS_TRUE(false, "Input file encoding is not UTF-8. Test will not parse the file.");
return;
}
auto utf16_json_str = utility::conversions::utf8_to_utf16(json_str);
// UTF8 to UTF16 conversion will retain the BOM, remove it.
if (utf16_json_str.front() == 0xFEFF) utf16_json_str.erase(0, 1);
try
{
json::value::parse(std::move(utf16_json_str));
std::cout << "Input file parsed successfully.";
}
catch (const json::json_exception& ex)
{
std::cout << "json exception:" << ex.what();
}
}
}
#endif
} // namespace json_tests
} // namespace functional
} // namespace tests
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