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compat/test/bind_back_mfn_test.cpp
Peter Dimov 9a58caf918 Add bind_back
2024-03-29 21:20:49 +02:00

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// Copyright 2024 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#if defined(__GNUC__) && __GNUC__ == 7
# pragma GCC diagnostic ignored "-Wnoexcept-type"
#endif
#include <boost/compat/bind_back.hpp>
#include <boost/core/lightweight_test.hpp>
#include <functional>
#include <memory>
struct X
{
int f0()
{
return -1;
}
int f1( int x1 ) noexcept
{
return x1;
}
int f2( int x1, int x2 ) const
{
return 10*x1+x2;
}
int f3( int x1, int x2, int x3 ) const noexcept
{
return 100*x1 + 10*x2 + x3;
}
};
struct Y: public virtual X
{
};
int main()
{
{
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( X() ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( X(), 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( X(), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( X(), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, X(), 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, X(), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, X(), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( X() ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( X() ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( X() ), 123 );
}
{
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( Y() ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( Y(), 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( Y(), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( Y(), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, Y(), 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, Y(), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, Y(), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( Y() ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( Y() ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( Y() ), 123 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( x ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( x, 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, x, 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( x ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( x ), 123 );
}
{
Y x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( x ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( x, 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, x, 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( x ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( x ), 123 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( &x ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( &x, 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( &x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( &x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, &x, 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, &x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, &x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( &x ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( &x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( &x ), 123 );
}
{
Y x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( &x ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( &x, 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( &x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( &x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, &x, 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, &x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, &x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( &x ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( &x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( &x ), 123 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( std::ref(x) ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( std::ref(x), 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( std::ref(x), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( std::ref(x), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, std::ref(x), 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, std::ref(x), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::ref(x), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( std::ref(x) ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( std::ref(x) ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::ref(x) ), 123 );
}
{
Y x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f0 )( std::ref(x) ), -1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1 )( std::ref(x), 1 ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( std::ref(x), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( std::ref(x), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, std::ref(x), 1 )(), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, std::ref(x), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::ref(x), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f1, 1 )( std::ref(x) ), 1 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( std::ref(x) ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::ref(x) ), 123 );
}
{
X x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( std::cref(x), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( std::cref(x), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, std::cref(x), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::cref(x), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( std::cref(x) ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::cref(x) ), 123 );
}
{
Y x;
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( std::cref(x), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( std::cref(x), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, std::cref(x), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::cref(x), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( std::cref(x) ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::cref(x) ), 123 );
}
{
X const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( x ), 123 );
}
{
Y const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( x ), 123 );
}
{
X const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( &x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( &x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, &x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, &x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( &x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( &x ), 123 );
}
{
Y const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( &x, 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( &x, 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, &x, 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, &x, 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( &x ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( &x ), 123 );
}
{
X const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( std::ref(x), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( std::ref(x), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, std::ref(x), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::ref(x), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( std::ref(x) ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::ref(x) ), 123 );
}
{
Y const x = {};
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2 )( std::ref(x), 1, 2 ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3 )( std::ref(x), 1, 2, 3 ), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, std::ref(x), 1, 2 )(), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::ref(x), 1, 2, 3 )(), 123 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f2, 1, 2 )( std::ref(x) ), 12 );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::ref(x) ), 123 );
}
{
std::unique_ptr<X> px( new X );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::move(px) ), 123 );
}
{
std::unique_ptr<Y> px( new Y );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, 1, 2, 3 )( std::move(px) ), 123 );
}
{
std::unique_ptr<X> px( new X );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::move(px), 1, 2, 3 )(), 123 );
}
{
std::unique_ptr<Y> px( new Y );
BOOST_TEST_EQ( boost::compat::bind_back( &X::f3, std::move(px), 1, 2, 3 )(), 123 );
}
return boost::report_errors();
}
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