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/* Copyright 2002, The libsigc++ Development Team
* Assigned to public domain. Use as you wish without restriction.
*/
#include "testutilities.h"
#include <sstream>
#include <functional> //For std::ref().
#include <cstdlib>
#include <sigc++/adaptors/bind.h>
#include <sigc++/adaptors/compose.h>
#include <sigc++/functors/mem_fun.h>
#include <sigc++/functors/ptr_fun.h>
namespace
{
TestUtilities* util = nullptr;
std::ostringstream result_stream;
struct A : public sigc::trackable
{
A() {}
};
template <typename T_type, bool I_derived = std::is_base_of<sigc::trackable, T_type>::value>
struct with_trackable;
template <typename T_type>
struct with_trackable<T_type, false>
{
static void perform(const T_type&) { result_stream << "other "; }
};
template <typename T_type>
struct with_trackable<T_type, true>
{
static void perform(const T_type&) { result_stream << "trackable "; }
static void perform(T_type*) { result_stream << "trackable* "; }
static void perform(const T_type*) { result_stream << "const trackable* "; }
};
struct print
{
void operator()(int i) const { result_stream << "int: " << i << " "; }
template <typename T>
void operator()(const T& t) const
{
with_trackable<T>::perform(t);
}
};
void
foo(int, int, int)
{
}
void
bar(int)
{
}
} // end anonymous namespace
void test_hit_all_targets()
{
int i = 1;
A a;
result_stream << "hit all targets: ";
sigc::visit_each(
print(), sigc::compose(sigc::bind(sigc::ptr_fun(&foo), std::ref(a), i), sigc::ptr_fun(&bar)));
util->check_result(result_stream, "hit all targets: other trackable int: 1 other ");
}
void test_hit_all_trackable()
{
int i = 3;
A a;
result_stream << "hit all trackable: ";
sigc::visit_each_trackable(
print(), sigc::compose(sigc::bind(sigc::ptr_fun(&foo), std::ref(a), i), sigc::ptr_fun(&bar)));
util->check_result(result_stream, "hit all trackable: trackable ");
}
int
main(int argc, char* argv[])
{
util = TestUtilities::get_instance();
if (!util->check_command_args(argc, argv))
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
test_hit_all_targets();
test_hit_all_trackable();
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}
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