mirror of
https://github.com/boostorg/charconv.git
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82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
// Copyright 2022 Peter Dimov
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// Copyright 2023 Matt Borland
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/charconv.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <type_traits>
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#include <cstring>
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#include <cerrno>
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template <typename T>
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void sixty_four_bit_tests()
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{
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char buffer1[64] {};
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T v1 = -1234;
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auto r1 = boost::charconv::to_chars(buffer1, buffer1 + sizeof(buffer1) - 1, v1);
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BOOST_TEST_EQ(r1.ec, 0);
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BOOST_TEST_CSTR_EQ(buffer1, "-1234");
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char buffer2[64] {};
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T v2 = 1234123412341234;
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auto r2 = boost::charconv::to_chars(buffer2, buffer2 + sizeof(buffer2) - 1, v2);
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BOOST_TEST_EQ(r2.ec, 0);
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BOOST_TEST_CSTR_EQ(buffer2, "1234123412341234");
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}
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template <typename T>
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void negative_vals_test()
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{
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char buffer1[10] {};
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T v = -4321;
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auto r1 = boost::charconv::to_chars(buffer1, buffer1 + sizeof(buffer1) - 1, v);
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BOOST_TEST_EQ(r1.ec, 0);
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BOOST_TEST_CSTR_EQ(buffer1, "-4321");
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}
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template <typename T>
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void simple_test()
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{
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char buffer1[64] {};
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T v = 34;
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auto r1 = boost::charconv::to_chars(buffer1, buffer1 + sizeof(buffer1) - 1, v);
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BOOST_TEST_EQ(r1.ec, 0);
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BOOST_TEST_CSTR_EQ(buffer1, "34");
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boost::charconv::to_chars_result r {r1.ptr, r1.ec};
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BOOST_TEST(r1 == r);
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char buffer2[64] {};
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T v2 = 12;
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auto r2 = boost::charconv::to_chars(buffer2, buffer2 + sizeof(buffer2) - 1, v2);
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BOOST_TEST(r1 != r2);
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BOOST_TEST_EQ(r2.ec, 0);
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BOOST_TEST_CSTR_EQ(buffer2, "12");
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}
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int main()
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{
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simple_test<char>();
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simple_test<signed char>();
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simple_test<unsigned char>();
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simple_test<short>();
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simple_test<unsigned short>();
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simple_test<int>();
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simple_test<unsigned>();
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simple_test<long>();
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simple_test<unsigned long>();
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simple_test<long long>();
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simple_test<unsigned long long>();
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simple_test<std::int32_t>();
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simple_test<std::uint64_t>();
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negative_vals_test<int>();
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negative_vals_test<long>();
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sixty_four_bit_tests<long>();
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sixty_four_bit_tests<long long>();
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return boost::report_errors();
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}
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