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Add tests for move_if_noexcept

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Antony Polukhin
2014-06-06 12:43:34 +04:00
parent f02990aebc
commit 688c5726f8
1 changed files with 228 additions and 0 deletions
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test/move_if_noexcept.cpp Normal file
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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Antony Polukhin 2014.
// 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)
//
// See http://www.boost.org/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/move/detail/config_begin.hpp>
#include <boost/move/utility.hpp>
#include "../example/movable.hpp"
#include "../example/copymovable.hpp"
#include <boost/static_assert.hpp>
//////////////////////////////////////////////////////////////////////////////
//A copy_movable_noexcept class
class copy_movable_noexcept
{
BOOST_COPYABLE_AND_MOVABLE(copy_movable_noexcept)
int value_;
public:
copy_movable_noexcept() : value_(1){}
//Move constructor and assignment
copy_movable_noexcept(BOOST_RV_REF(copy_movable_noexcept) m)
{ value_ = m.value_; m.value_ = 0; }
copy_movable_noexcept(const copy_movable_noexcept &m)
{ value_ = m.value_; }
copy_movable_noexcept & operator=(BOOST_RV_REF(copy_movable_noexcept) m)
{ value_ = m.value_; m.value_ = 0; return *this; }
copy_movable_noexcept & operator=(BOOST_COPY_ASSIGN_REF(copy_movable_noexcept) m)
{ value_ = m.value_; return *this; }
bool moved() const //Observer
{ return value_ == 0; }
};
namespace boost{
template<>
struct has_nothrow_move<copy_movable_noexcept>
{
static const bool value = true;
};
} //namespace boost{
//////////////////////////////////////////////////////////////////////////////
//A movable_throwable class
class movable_throwable
{
BOOST_MOVABLE_BUT_NOT_COPYABLE(movable_throwable)
int value_;
public:
movable_throwable() : value_(1){}
//Move constructor and assignment
movable_throwable(BOOST_RV_REF(movable_throwable) m)
{ value_ = m.value_; m.value_ = 0; }
movable_throwable & operator=(BOOST_RV_REF(movable_throwable) m)
{ value_ = m.value_; m.value_ = 0; return *this; }
bool moved() const //Observer
{ return !value_; }
int value() const //Observer
{ return value_; }
};
//////////////////////////////////////////////////////////////////////////////
// Helper functions
movable function(movable m)
{
return movable(boost::move_if_noexcept(m));
}
copy_movable function(copy_movable m)
{
return copy_movable(boost::move_if_noexcept(m));
}
copy_movable_noexcept function(copy_movable_noexcept m)
{
return copy_movable_noexcept(boost::move_if_noexcept(m));
}
movable_throwable function(movable_throwable m)
{
return movable_throwable(boost::move_if_noexcept(m));
}
movable functionr(BOOST_RV_REF(movable) m)
{
return movable(boost::move_if_noexcept(m));
}
movable function2(movable m)
{
return boost::move_if_noexcept(m);
}
BOOST_RV_REF(movable) function2r(BOOST_RV_REF(movable) m)
{
return boost::move_if_noexcept(m);
}
movable move_return_function2 ()
{
return movable();
}
movable move_return_function ()
{
movable m;
return (boost::move_if_noexcept(m));
}
#define BOOST_CHECK(x) if (!(x)) { return __LINE__; }
int main()
{
{
movable m;
movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
movable m3(function(movable(boost::move_if_noexcept(m2))));
BOOST_CHECK(m2.moved());
movable m4(function(boost::move_if_noexcept(m3)));
BOOST_CHECK(m3.moved());
BOOST_CHECK(!m4.moved());
}
{
movable m;
movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
movable m3(functionr(movable(boost::move_if_noexcept(m2))));
BOOST_CHECK(m2.moved());
movable m4(functionr(boost::move_if_noexcept(m3)));
BOOST_CHECK(m3.moved());
BOOST_CHECK(!m4.moved());
}
{
movable m;
movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
movable m3(function2(movable(boost::move_if_noexcept(m2))));
BOOST_CHECK(m2.moved());
movable m4(function2(boost::move_if_noexcept(m3)));
BOOST_CHECK(m3.moved());
BOOST_CHECK(!m4.moved());
}
{
movable m;
movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
movable m3(function2r(movable(boost::move_if_noexcept(m2))));
BOOST_CHECK(m2.moved());
movable m4(function2r(boost::move_if_noexcept(m3)));
BOOST_CHECK(m3.moved());
BOOST_CHECK(!m4.moved());
}
{
movable m;
movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
BOOST_CHECK(!m2.moved());
movable m3(move_return_function());
BOOST_CHECK(!m3.moved());
}
{
movable m;
movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
BOOST_CHECK(!m2.moved());
movable m3(move_return_function2());
BOOST_CHECK(!m3.moved());
}
// copy_movable may throw during move, so it must be copied
{
copy_movable m;
copy_movable m2(boost::move_if_noexcept(m));
BOOST_CHECK(!m.moved());
copy_movable m3(function(copy_movable(boost::move_if_noexcept(m2))));
BOOST_CHECK(!m2.moved());
copy_movable m4(function(boost::move_if_noexcept(m3)));
BOOST_CHECK(!m3.moved());
BOOST_CHECK(!m4.moved());
}
// copy_movable_noexcept can not throw during move
{
copy_movable_noexcept m;
copy_movable_noexcept m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
copy_movable_noexcept m3(function(copy_movable_noexcept(boost::move_if_noexcept(m2))));
BOOST_CHECK(m2.moved());
copy_movable_noexcept m4(function(boost::move_if_noexcept(m3)));
BOOST_CHECK(m3.moved());
BOOST_CHECK(!m4.moved());
}
// movable_throwable can not throw during move but it has no copy constructor
{
movable_throwable m;
movable_throwable m2(boost::move_if_noexcept(m));
BOOST_CHECK(m.moved());
movable_throwable m3(function(movable_throwable(boost::move_if_noexcept(m2))));
BOOST_CHECK(m2.moved());
movable_throwable m4(function(boost::move_if_noexcept(m3)));
BOOST_CHECK(m3.moved());
BOOST_CHECK(!m4.moved());
}
return 0;
}
#include <boost/move/detail/config_end.hpp>