49 lines
1005 B
C++
49 lines
1005 B
C++
|
|
// 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();
|
|
}
|