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59 lines
1.7 KiB
59 lines
1.7 KiB
/*
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* Created by Martin Hořeňovský on 03/04/2017.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_MATCHERS_GENERIC_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_MATCHERS_GENERIC_HPP_INCLUDED
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#include "catch_common.h"
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#include "catch_matchers.h"
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#include <functional>
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#include <string>
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namespace Catch {
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namespace Matchers {
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namespace Generic {
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namespace Detail {
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std::string finalizeDescription(const std::string& desc);
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}
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template <typename T>
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class PredicateMatcher : public MatcherBase<T> {
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std::function<bool(T const&)> m_predicate;
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std::string m_description;
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public:
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PredicateMatcher(std::function<bool(T const&)> const& elem, std::string const& descr)
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:m_predicate(std::move(elem)),
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m_description(Detail::finalizeDescription(descr))
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{}
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bool match( T const& item ) const override {
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return m_predicate(item);
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}
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std::string describe() const override {
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return m_description;
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}
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};
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} // namespace Generic
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// The following functions create the actual matcher objects.
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// The user has to explicitly specify type to the function, because
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// inferring std::function<bool(T const&)> is hard (but possible) and
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// requires a lot of TMP.
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template<typename T>
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Generic::PredicateMatcher<T> Predicate(std::function<bool(T const&)> const& predicate, std::string const& description = "") {
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return Generic::PredicateMatcher<T>(predicate, description);
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}
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} // namespace Matchers
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} // namespace Catch
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#endif // TWOBLUECUBES_CATCH_MATCHERS_GENERIC_HPP_INCLUDED
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