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- //
- // Copyright 2015-2019 Antony Polukhin.
- //
- // Distributed under the Boost Software License, Version 1.0. (See
- // accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #include <boost/type_index/ctti_type_index.hpp>
- #include <algorithm>
- #include <string>
- #include <boost/core/lightweight_test.hpp>
- const char* hello1 = "Hello word";
- const char* hello1_end = hello1 + sizeof("Hello word");
- const char* hello2 = "Hello word, pal!";
- const char* hello2_end = hello2 + sizeof("Hello word, pal!");
- void strcmp_same() {
- using boost::typeindex::detail::constexpr_strcmp;
- BOOST_TEST(
- constexpr_strcmp(hello1, hello1) == 0
- );
- BOOST_TEST(
- constexpr_strcmp(hello2, hello2) == 0
- );
- BOOST_TEST(
- constexpr_strcmp(hello1, hello2) != 0
- );
- BOOST_TEST(
- constexpr_strcmp(hello2, hello1) != 0
- );
- BOOST_TEST(
- (constexpr_strcmp(hello2, hello1) < 0)
- ==
- (std::strcmp(hello2, hello1) < 0)
- );
- BOOST_TEST(
- (constexpr_strcmp(hello1, hello2) < 0)
- ==
- (std::strcmp(hello1, hello2) < 0)
- );
- }
- void search_same() {
- using boost::typeindex::detail::constexpr_search;
- BOOST_TEST(
- constexpr_search(hello1, hello1_end, hello2, hello2_end) == std::search(hello1, hello1_end, hello2, hello2_end)
- );
- BOOST_TEST(
- constexpr_search(hello2, hello2_end, hello1, hello1_end) == std::search(hello2, hello2_end, hello1, hello1_end)
- );
- const char* word = "word";
- const char* word_end = word + sizeof("word") - 1;
- BOOST_TEST(
- constexpr_search(hello1, hello1_end, word, word_end) == std::search(hello1, hello1_end, word, word_end)
- );
- BOOST_TEST(
- constexpr_search(hello2, hello2_end, word, word_end) == std::search(hello2, hello2_end, word, word_end)
- );
- }
- template <class T, std::size_t N>
- BOOST_CXX14_CONSTEXPR bool in_namespace(const char (&ns)[N]) BOOST_NOEXCEPT {
- BOOST_CXX14_CONSTEXPR const char* name = boost::typeindex::ctti_type_index::type_id<T>().raw_name();
- for (std::size_t i = 0; i < N - 1; ++i)
- if (name[i] != ns[i])
- return false;
-
- return true;
- }
- template <class T>
- BOOST_CXX14_CONSTEXPR bool is_boost_namespace() BOOST_NOEXCEPT {
- return in_namespace<T>("boost::") || in_namespace<T>("class boost::") || in_namespace<T>("struct boost::");
- }
- void constexpr_test() {
- using namespace boost::typeindex;
- BOOST_CXX14_CONSTEXPR ctti_type_index t_int0 = ctti_type_index::type_id<int>();
- (void)t_int0;
- BOOST_CXX14_CONSTEXPR ctti_type_index t_short0 = ctti_type_index::type_id<short>();
- (void)t_short0;
- BOOST_CXX14_CONSTEXPR ctti_type_index t_int1 = ctti_type_index::type_id<int>();
- (void)t_int1;
- BOOST_CXX14_CONSTEXPR ctti_type_index t_short1 = ctti_type_index::type_id<short>();
- (void)t_short1;
- // Following tests are known to fail on _MSC_VER == 1916.
- #if !defined(_MSC_VER) || _MSC_VER > 1916
- BOOST_CXX14_CONSTEXPR bool same0 = (t_int0 == t_int1);
- BOOST_TEST(same0);
- BOOST_CXX14_CONSTEXPR bool same1 = (t_short1 == t_short0);
- BOOST_TEST(same1);
- BOOST_CXX14_CONSTEXPR bool same2 = (t_int1 == t_int1);
- BOOST_TEST(same2);
- BOOST_CXX14_CONSTEXPR bool same3 = (t_short0 == t_short0);
- BOOST_TEST(same3);
- BOOST_CXX14_CONSTEXPR bool same4 = !(t_short0 < t_short0 || t_short0 > t_short0);
- BOOST_TEST(same4);
- BOOST_CXX14_CONSTEXPR bool same5 = (t_short0 <= t_short0 && t_short0 >= t_short0);
- BOOST_TEST(same5);
- BOOST_CXX14_CONSTEXPR bool not_same0 = (t_int0 != t_short1);
- BOOST_TEST(not_same0);
- BOOST_CXX14_CONSTEXPR bool not_same1 = (t_int1 != t_short0);
- BOOST_TEST(not_same1);
- BOOST_CXX14_CONSTEXPR bool not_same2 = (t_int1 < t_short0 || t_int1 > t_short0);
- BOOST_TEST(not_same2);
- BOOST_CXX14_CONSTEXPR const char* int_name = t_int0.name();
- BOOST_TEST(*int_name != '\0');
- BOOST_CXX14_CONSTEXPR const char* short_name = t_short0.name();
- BOOST_TEST(*short_name != '\0');
- BOOST_CXX14_CONSTEXPR bool in_namespace = is_boost_namespace<ctti_type_index>();
- BOOST_TEST(in_namespace);
- BOOST_CXX14_CONSTEXPR bool not_in_namespace = !is_boost_namespace<std::string>();
- BOOST_TEST(not_in_namespace);
- #endif // #if !defined(_MSC_VER) || _MSC_VER > 1916
- }
- int main() {
- strcmp_same();
- search_same();
- constexpr_test();
- return boost::report_errors();
- }
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