mirror of
https://github.com/boostorg/proto.git
synced 2026-07-22 13:43:29 +00:00
Peter Dimov
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// deep_copy.hpp
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//
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// Copyright 2008 Eric Niebler. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#define BOOST_TEST_MAIN
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#include <iostream>
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#include <boost/utility/addressof.hpp>
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#include <boost/proto/core.hpp>
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#include <boost/test/unit_test.hpp>
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using namespace boost;
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void foo() {}
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BOOST_AUTO_TEST_CASE(test1)
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{
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using namespace proto;
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int i = 42;
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terminal<int &>::type t1 = {i};
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terminal<int>::type r1 = deep_copy(t1);
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BOOST_CHECK_EQUAL(42, value(r1));
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plus<terminal<int>::type, terminal<int>::type>::type r2 = deep_copy(t1 + 24);
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BOOST_CHECK_EQUAL(42, value(left(r2)));
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BOOST_CHECK_EQUAL(24, value(right(r2)));
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char buf[16] = {'\0'};
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terminal<char (&)[16]>::type t3 = {buf};
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terminal<char[16]>::type r3 = deep_copy(t3);
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terminal<void(&)()>::type t4 = {foo};
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plus<terminal<void(&)()>::type, terminal<int>::type>::type r4 = deep_copy(t4 + t1);
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BOOST_CHECK_EQUAL(42, value(right(r4)));
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BOOST_CHECK_EQUAL(&foo, &value(left(r4)));
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terminal<std::ostream &>::type cout_ = {std::cout};
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shift_left<terminal<std::ostream &>::type, terminal<int>::type>::type r5 = deep_copy(cout_ << t1);
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BOOST_CHECK_EQUAL(42, value(right(r5)));
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BOOST_CHECK_EQUAL(boost::addressof(std::cout), boost::addressof(value(left(r5))));
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}
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