| 1 | // Copyright Louis Dionne 2013-2022 |
|---|---|
| 2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) |
| 4 | |
| 5 | #include <boost/hana/assert.hpp> |
| 6 | #include <boost/hana/string.hpp> |
| 7 | |
| 8 | #include <cstring> |
| 9 | namespace hana = boost::hana; |
| 10 | |
| 11 | |
| 12 | int main() { |
| 13 | BOOST_HANA_RUNTIME_CHECK(std::strcmp( |
| 14 | BOOST_HANA_STRING("").c_str(), |
| 15 | "" |
| 16 | ) == 0); |
| 17 | |
| 18 | BOOST_HANA_RUNTIME_CHECK(std::strcmp( |
| 19 | BOOST_HANA_STRING("a").c_str(), |
| 20 | "a" |
| 21 | ) == 0); |
| 22 | |
| 23 | BOOST_HANA_RUNTIME_CHECK(std::strcmp( |
| 24 | BOOST_HANA_STRING("ab").c_str(), |
| 25 | "ab" |
| 26 | ) == 0); |
| 27 | |
| 28 | BOOST_HANA_RUNTIME_CHECK(std::strcmp( |
| 29 | BOOST_HANA_STRING("abc").c_str(), |
| 30 | "abc" |
| 31 | ) == 0); |
| 32 | |
| 33 | BOOST_HANA_RUNTIME_CHECK(std::strcmp( |
| 34 | BOOST_HANA_STRING("abcd").c_str(), |
| 35 | "abcd" |
| 36 | ) == 0); |
| 37 | |
| 38 | // make sure we can turn a non-constexpr hana::string |
| 39 | // into a constexpr char const* |
| 40 | { |
| 41 | auto str = BOOST_HANA_STRING("abcdef"); |
| 42 | constexpr char const* c_str = str.c_str(); |
| 43 | (void)c_str; |
| 44 | } |
| 45 | |
| 46 | // make sure c_str is actually a static member function |
| 47 | { |
| 48 | constexpr char const* c_str = hana::string<'f', 'o', 'o'>::c_str(); |
| 49 | (void)c_str; |
| 50 | } |
| 51 | } |
| 52 |