src/test/fuzz/locale.cpp - master - githubmirror/bitcoin

src/test/fuzz/locale.cpp
66 строк12 KB
Hennadii Stepanov
fuzz, refactor: Remove unused `random_string` in `locale.cpp`
06 авг 2026, 14:21
06 авг 2026, 14:213df0d06
// Copyright (c) 2020-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <tinyformat.h>
#include <util/strencodings.h>
#include <util/string.h>

#include <cassert>
#include <clocale>
#include <cstdint>
#include <locale>
#include <string>
#include <vector>

namespace {
const std::string locale_identifiers[] = {
    "C", "C.UTF-8", "aa_DJ", "aa_DJ.ISO-8859-1", "aa_DJ.UTF-8", "aa_ER", "aa_ER.UTF-8", "aa_ET", "aa_ET.UTF-8", "af_ZA", "af_ZA.ISO-8859-1", "af_ZA.UTF-8", "agr_PE", "agr_PE.UTF-8", "ak_GH", "ak_GH.UT … [Строка слишком длинная. Вы можете скачать файл]

std::string ConsumeLocaleIdentifier(FuzzedDataProvider& fuzzed_data_provider)
{
    return fuzzed_data_provider.PickValueInArray<std::string>(locale_identifiers);
}

bool IsAvailableLocale(const std::string& locale_identifier)
{
    try {
        (void)std::locale(locale_identifier);
    } catch (const std::runtime_error&) {
        return false;
    }
    return true;
}
} // namespace

FUZZ_TARGET(locale)
{
    FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
    const std::string locale_identifier = ConsumeLocaleIdentifier(fuzzed_data_provider);
    if (!IsAvailableLocale(locale_identifier)) {
        return;
    }
    const char* c_locale = std::setlocale(LC_ALL, "C");
    assert(c_locale != nullptr);

    const int64_t random_int64 = fuzzed_data_provider.ConsumeIntegral<int64_t>();
    const std::string tostring_without_locale = util::ToString(random_int64);
    const std::string strprintf_int_without_locale = strprintf("%d", random_int64);
    const double random_double = fuzzed_data_provider.ConsumeFloatingPoint<double>();
    const std::string strprintf_double_without_locale = strprintf("%f", random_double);

    const char* new_locale = std::setlocale(LC_ALL, locale_identifier.c_str());
    assert(new_locale != nullptr);

    const std::string tostring_with_locale = util::ToString(random_int64);
    assert(tostring_without_locale == tostring_with_locale);
    const std::string strprintf_int_with_locale = strprintf("%d", random_int64);
    assert(strprintf_int_without_locale == strprintf_int_with_locale);
    const std::string strprintf_double_with_locale = strprintf("%f", random_double);
    assert(strprintf_double_without_locale == strprintf_double_with_locale);

    const std::locale current_cpp_locale;
    assert(current_cpp_locale == std::locale::classic());
}