| /* |
| * Created by Martin Hořeňovský on 03/04/2017. |
| * |
| * 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) |
| */ |
| #ifndef TWOBLUECUBES_CATCH_MATCHERS_GENERIC_HPP_INCLUDED |
| #define TWOBLUECUBES_CATCH_MATCHERS_GENERIC_HPP_INCLUDED |
| |
| #include "catch_common.h" |
| #include "catch_matchers.h" |
| |
| #include <functional> |
| #include <string> |
| |
| namespace Catch { |
| namespace Matchers { |
| namespace Generic { |
| |
| namespace Detail { |
| std::string finalizeDescription(const std::string& desc); |
| } |
| |
| template <typename T> |
| class PredicateMatcher : public MatcherBase<T> { |
| std::function<bool(T const&)> m_predicate; |
| std::string m_description; |
| public: |
| |
| PredicateMatcher(std::function<bool(T const&)> const& elem, std::string const& descr) |
| :m_predicate(std::move(elem)), |
| m_description(Detail::finalizeDescription(descr)) |
| {} |
| |
| bool match( T const& item ) const override { |
| return m_predicate(item); |
| } |
| |
| std::string describe() const override { |
| return m_description; |
| } |
| }; |
| |
| } // namespace Generic |
| |
| // The following functions create the actual matcher objects. |
| // The user has to explicitly specify type to the function, because |
| // inferring std::function<bool(T const&)> is hard (but possible) and |
| // requires a lot of TMP. |
| template<typename T> |
| Generic::PredicateMatcher<T> Predicate(std::function<bool(T const&)> const& predicate, std::string const& description = "") { |
| return Generic::PredicateMatcher<T>(predicate, description); |
| } |
| |
| } // namespace Matchers |
| } // namespace Catch |
| |
| #endif // TWOBLUECUBES_CATCH_MATCHERS_GENERIC_HPP_INCLUDED |