46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
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#ifndef BOOST_CONTRACT_TEST_IF_COPYABLE_HPP_
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#define BOOST_CONTRACT_TEST_IF_COPYABLE_HPP_
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// Copyright (C) 2008-2018 Lorenzo Caminiti
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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 a copy at http://www.boost.org/LICENSE_1_0.txt).
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// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
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// Test old values of non-copyable types.
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#define BOOST_CONTRACT_TEST_IF_COPYABLE_TYPE(class_) \
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public: \
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explicit class_(int value) : value_(value) {} \
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\
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friend class_& operator++(class_& me) { ++me.value_; return me; } \
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\
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friend bool operator>(class_ const& left, class_ const& right) { \
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return left.value_ > right.value_; \
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} \
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\
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friend bool operator==(class_ const& left, class_ const& right) { \
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return left.value_ == right.value_; \
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} \
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\
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friend class_ operator+(class_ const& left, class_ const& right) { \
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return class_(left.value_ + right.value_); \
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} \
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\
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private: \
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int value_;
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struct cp { // Copyable type.
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BOOST_CONTRACT_TEST_IF_COPYABLE_TYPE(cp)
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};
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struct ncp {
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BOOST_CONTRACT_TEST_IF_COPYABLE_TYPE(ncp)
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private: // Non (publicly) copyable type.
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ncp(ncp const& other) : value_(other.value_) {}
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};
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#endif // #include guard
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