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Merge pull request #97 from cppalliance/develop
Update packages on master
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// Copyright 2023 Matt Borland | ||
// Distributed under the Boost Software License, Version 1.0. | ||
// https://www.boost.org/LICENSE_1_0.txt | ||
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#include <boost/charconv.hpp> | ||
#include <boost/core/lightweight_test.hpp> | ||
#include <system_error> | ||
#include <type_traits> | ||
#include <limits> | ||
#include <cstring> | ||
#include <cstdint> | ||
#include <cerrno> | ||
#include <utility> | ||
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// No overflows, negative numbers, locales, etc. | ||
template <typename T> | ||
void simple_from_chars_test() | ||
{ | ||
const char* buffer = "34"; | ||
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T v = 0; | ||
auto r = boost::charconv::from_chars(buffer, buffer + std::strlen(buffer), v); | ||
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BOOST_TEST( r ) && BOOST_TEST_EQ(v, static_cast<T>(34)); | ||
BOOST_TEST(r == r); | ||
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boost::charconv::from_chars_result r2 {r.ptr, std::errc()}; | ||
BOOST_TEST(r == r2); | ||
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const char* buffer2 = "12"; | ||
T v2 = 0; | ||
auto r3 = boost::charconv::from_chars(buffer2, buffer2 + std::strlen(buffer), v2); | ||
BOOST_TEST(r != r3); | ||
BOOST_TEST(r3) && BOOST_TEST_EQ(v2, static_cast<T>(12)); | ||
} | ||
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template <typename T> | ||
void simple_to_chars_test() | ||
{ | ||
char buffer1[64] {}; | ||
T v = 34; | ||
auto r1 = boost::charconv::to_chars(buffer1, buffer1 + sizeof(buffer1) - 1, v); | ||
BOOST_TEST(r1); | ||
BOOST_TEST_CSTR_EQ(buffer1, "34"); | ||
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boost::charconv::to_chars_result r {r1.ptr, r1.ec}; | ||
BOOST_TEST(r1 == r); | ||
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char buffer2[64] {}; | ||
T v2 = 12; | ||
auto r2 = boost::charconv::to_chars(buffer2, buffer2 + sizeof(buffer2) - 1, v2); | ||
BOOST_TEST(r1 != r2); | ||
BOOST_TEST(r2); | ||
BOOST_TEST_CSTR_EQ(buffer2, "12"); | ||
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// If the base is not 2-36 inclusive return invalid value | ||
char buffer3[64] {}; | ||
T v3 = 12; | ||
auto r3 = boost::charconv::to_chars(buffer3, buffer3 + sizeof(buffer3) - 1, v3, -2); | ||
BOOST_TEST(r3.ec == std::errc::invalid_argument); | ||
BOOST_TEST(!r3); | ||
auto r4 = boost::charconv::to_chars(buffer3, buffer3 + sizeof(buffer3) - 1, v3, 90); | ||
BOOST_TEST(r4.ec == std::errc::invalid_argument); | ||
BOOST_TEST(!r4); | ||
} | ||
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int main() | ||
{ | ||
simple_from_chars_test<std::int32_t>(); | ||
simple_from_chars_test<std::uint64_t>(); | ||
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simple_to_chars_test<std::int32_t>(); | ||
simple_to_chars_test<std::uint64_t>(); | ||
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return boost::report_errors(); | ||
} | ||
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