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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#ifndef CATCH_MATCHERS_HPP_INCLUDED
#define CATCH_MATCHERS_HPP_INCLUDED
#include <catch2/matchers/internal/catch_matchers_impl.hpp>
#include <catch2/internal/catch_move_and_forward.hpp>
#include <string>
#include <vector>
namespace Catch {
namespace Matchers {
class MatcherUntypedBase {
public:
MatcherUntypedBase() = default;
MatcherUntypedBase(MatcherUntypedBase const&) = default;
MatcherUntypedBase(MatcherUntypedBase&&) = default;
MatcherUntypedBase& operator = (MatcherUntypedBase const&) = delete;
MatcherUntypedBase& operator = (MatcherUntypedBase&&) = delete;
std::string toString() const;
protected:
virtual ~MatcherUntypedBase(); // = default;
virtual std::string describe() const = 0;
mutable std::string m_cachedToString;
};
template<typename T>
class MatcherBase : public MatcherUntypedBase {
public:
virtual bool match( T const& arg ) const = 0;
};
namespace Detail {
template<typename ArgT>
class MatchAllOf final : public MatcherBase<ArgT> {
std::vector<MatcherBase<ArgT> const*> m_matchers;
public:
MatchAllOf() = default;
MatchAllOf(MatchAllOf const&) = delete;
MatchAllOf& operator=(MatchAllOf const&) = delete;
MatchAllOf(MatchAllOf&&) = default;
MatchAllOf& operator=(MatchAllOf&&) = default;
bool match( ArgT const& arg ) const override {
for( auto matcher : m_matchers ) {
if (!matcher->match(arg))
return false;
}
return true;
}
std::string describe() const override {
std::string description;
description.reserve( 4 + m_matchers.size()*32 );
description += "( ";
bool first = true;
for( auto matcher : m_matchers ) {
if( first )
first = false;
else
description += " and ";
description += matcher->toString();
}
description += " )";
return description;
}
friend MatchAllOf operator&& (MatchAllOf&& lhs, MatcherBase<ArgT> const& rhs) {
lhs.m_matchers.push_back(&rhs);
return CATCH_MOVE(lhs);
}
friend MatchAllOf operator&& (MatcherBase<ArgT> const& lhs, MatchAllOf&& rhs) {
rhs.m_matchers.insert(rhs.m_matchers.begin(), &lhs);
return CATCH_MOVE(rhs);
}
};
//! lvalue overload is intentionally deleted, users should
//! not be trying to compose stored composition matchers
template<typename ArgT>
MatchAllOf<ArgT> operator&& (MatchAllOf<ArgT> const& lhs, MatcherBase<ArgT> const& rhs) = delete;
//! lvalue overload is intentionally deleted, users should
//! not be trying to compose stored composition matchers
template<typename ArgT>
MatchAllOf<ArgT> operator&& (MatcherBase<ArgT> const& lhs, MatchAllOf<ArgT> const& rhs) = delete;
template<typename ArgT>
class MatchAnyOf final : public MatcherBase<ArgT> {
std::vector<MatcherBase<ArgT> const*> m_matchers;
public:
MatchAnyOf() = default;
MatchAnyOf(MatchAnyOf const&) = delete;
MatchAnyOf& operator=(MatchAnyOf const&) = delete;
MatchAnyOf(MatchAnyOf&&) = default;
MatchAnyOf& operator=(MatchAnyOf&&) = default;
bool match( ArgT const& arg ) const override {
for( auto matcher : m_matchers ) {
if (matcher->match(arg))
return true;
}
return false;
}
std::string describe() const override {
std::string description;
description.reserve( 4 + m_matchers.size()*32 );
description += "( ";
bool first = true;
for( auto matcher : m_matchers ) {
if( first )
first = false;
else
description += " or ";
description += matcher->toString();
}
description += " )";
return description;
}
friend MatchAnyOf operator|| (MatchAnyOf&& lhs, MatcherBase<ArgT> const& rhs) {
lhs.m_matchers.push_back(&rhs);
return CATCH_MOVE(lhs);
}
friend MatchAnyOf operator|| (MatcherBase<ArgT> const& lhs, MatchAnyOf&& rhs) {
rhs.m_matchers.insert(rhs.m_matchers.begin(), &lhs);
return CATCH_MOVE(rhs);
}
};
//! lvalue overload is intentionally deleted, users should
//! not be trying to compose stored composition matchers
template<typename ArgT>
MatchAnyOf<ArgT> operator|| (MatchAnyOf<ArgT> const& lhs, MatcherBase<ArgT> const& rhs) = delete;
//! lvalue overload is intentionally deleted, users should
//! not be trying to compose stored composition matchers
template<typename ArgT>
MatchAnyOf<ArgT> operator|| (MatcherBase<ArgT> const& lhs, MatchAnyOf<ArgT> const& rhs) = delete;
template<typename ArgT>
class MatchNotOf final : public MatcherBase<ArgT> {
MatcherBase<ArgT> const& m_underlyingMatcher;
public:
explicit MatchNotOf( MatcherBase<ArgT> const& underlyingMatcher ):
m_underlyingMatcher( underlyingMatcher )
{}
bool match( ArgT const& arg ) const override {
return !m_underlyingMatcher.match( arg );
}
std::string describe() const override {
return "not " + m_underlyingMatcher.toString();
}
};
} // namespace Detail
template <typename T>
Detail::MatchAllOf<T> operator&& (MatcherBase<T> const& lhs, MatcherBase<T> const& rhs) {
return Detail::MatchAllOf<T>{} && lhs && rhs;
}
template <typename T>
Detail::MatchAnyOf<T> operator|| (MatcherBase<T> const& lhs, MatcherBase<T> const& rhs) {
return Detail::MatchAnyOf<T>{} || lhs || rhs;
}
template <typename T>
Detail::MatchNotOf<T> operator! (MatcherBase<T> const& matcher) {
return Detail::MatchNotOf<T>{ matcher };
}
} // namespace Matchers
} // namespace Catch
#if defined(CATCH_CONFIG_PREFIX_ALL) && !defined(CATCH_CONFIG_DISABLE)
#define CATCH_REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
#define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
#define CATCH_CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CATCH_CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CATCH_CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#define CATCH_CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )
#define CATCH_REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CATCH_REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
#elif defined(CATCH_CONFIG_PREFIX_ALL) && defined(CATCH_CONFIG_DISABLE)
#define CATCH_REQUIRE_THROWS_WITH( expr, matcher ) (void)(0)
#define CATCH_REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#define CATCH_CHECK_THROWS_WITH( expr, matcher ) (void)(0)
#define CATCH_CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#define CATCH_CHECK_THAT( arg, matcher ) (void)(0)
#define CATCH_REQUIRE_THAT( arg, matcher ) (void)(0)
#elif !defined(CATCH_CONFIG_PREFIX_ALL) && !defined(CATCH_CONFIG_DISABLE)
#define REQUIRE_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "REQUIRE_THROWS_WITH", Catch::ResultDisposition::Normal, matcher, expr )
#define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "REQUIRE_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::Normal, matcher, expr )
#define CHECK_THROWS_WITH( expr, matcher ) INTERNAL_CATCH_THROWS_STR_MATCHES( "CHECK_THROWS_WITH", Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) INTERNAL_CATCH_THROWS_MATCHES( "CHECK_THROWS_MATCHES", exceptionType, Catch::ResultDisposition::ContinueOnFailure, matcher, expr )
#define CHECK_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "CHECK_THAT", matcher, Catch::ResultDisposition::ContinueOnFailure, arg )
#define REQUIRE_THAT( arg, matcher ) INTERNAL_CHECK_THAT( "REQUIRE_THAT", matcher, Catch::ResultDisposition::Normal, arg )
#elif !defined(CATCH_CONFIG_PREFIX_ALL) && defined(CATCH_CONFIG_DISABLE)
#define REQUIRE_THROWS_WITH( expr, matcher ) (void)(0)
#define REQUIRE_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#define CHECK_THROWS_WITH( expr, matcher ) (void)(0)
#define CHECK_THROWS_MATCHES( expr, exceptionType, matcher ) (void)(0)
#define CHECK_THAT( arg, matcher ) (void)(0)
#define REQUIRE_THAT( arg, matcher ) (void)(0)
#endif // end of user facing macro declarations
#endif // CATCH_MATCHERS_HPP_INCLUDED
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