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// -*- c++ -*-
/* Copyright 2002, The libsigc++ Development Team
* Assigned to public domain. Use as you wish without restriction.
*/
#include "testutilities.h"
#include <sigc++/adaptors/compose.h>
#include <sstream>
#include <cstdlib>
// assume existance of T_functor::result_type for unknown functor types:
namespace sigc { SIGC_FUNCTORS_HAVE_RESULT_TYPE }
namespace
{
std::ostringstream result_stream;
struct set
{
// choose a type that can hold all return values
typedef double result_type;
double operator()(int i)
{
result_stream << "set(int " << i << ") ";
return i*i;
}
double operator()(double i)
{
result_stream << "set(double " << i << ") ";
return i*5;
}
};
struct set_void
{
typedef void result_type;
void operator()(double i)
{
result_stream << "set_void(double " << i << ")";
}
};
struct get
{
#ifdef SIGC_CXX_TYPEOF
bool operator()()
{
result_stream << "get() ";
return true;
}
int operator()(int i)
{
result_stream << "get(" << i << ") ";
return i*2;
}
double operator()(int i, int j)
{
result_stream << "get(" << i << ", " << j << ") ";
return double(i)/double(j);
}
#else
// choose a type that can hold all return values
typedef double result_type;
double operator()()
{
result_stream << "get() ";
return true;
}
double operator()(int i)
{
result_stream << "get(" << i << ") ";
return i*2;
}
double operator()(int i, int j)
{
result_stream << "get(" << i << ", " << j << ") ";
return double(i)/double(j);
}
#endif
};
} // end anonymous namespace
int main(int argc, char* argv[])
{
auto util = TestUtilities::get_instance();
if (!util->check_command_args(argc, argv))
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
result_stream << sigc::compose(set(), get())();
util->check_result(result_stream, "get() set(double 1) 5");
result_stream << sigc::compose(set(), get())(1);
util->check_result(result_stream, "get(1) set(double 2) 10");
result_stream << sigc::compose(set(), get())(1, 2);
util->check_result(result_stream, "get(1, 2) set(double 0.5) 2.5");
sigc::compose(set_void(), get())(3); //void test
util->check_result(result_stream, "get(3) set_void(double 6)");
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}
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