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// Copyright 2018 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
#include <boost/function.hpp>
#include <boost/core/lightweight_test.hpp>
//
void call_fn_1( boost::function<void()> const & fn );
void call_fn_2( boost::function<void(int)> const & fn );
void call_fn_3( boost::function<void(int, int)> const & fn );
void call_fn_4( boost::function0<void> const & fn );
void call_fn_5( boost::function1<void, int> const & fn );
void call_fn_6( boost::function2<void, int, int> const & fn );
//
static int v;
void f0()
{
v = -1;
}
void f1( int x )
{
v = x;
}
void f2( int x, int y )
{
v = x + y;
}
int main()
{
v = 0; call_fn_1( f0 ); BOOST_TEST_EQ( v, -1 );
v = 0; call_fn_2( f1 ); BOOST_TEST_EQ( v, 1 );
v = 0; call_fn_3( f2 ); BOOST_TEST_EQ( v, 3 );
v = 0; call_fn_4( f0 ); BOOST_TEST_EQ( v, -1 );
v = 0; call_fn_5( f1 ); BOOST_TEST_EQ( v, 1 );
v = 0; call_fn_6( f2 ); BOOST_TEST_EQ( v, 3 );
return boost::report_errors();
}
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