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/* Copyright 2002, The libsigc++ Development Team
* Assigned to public domain. Use as you wish without restriction.
*/
#include "testutilities.h"
#include <sigc++/trackable.h>
#include <sigc++/signal.h>
#include <sigc++/connection.h>
#include <sigc++/functors/ptr_fun.h>
#include <sigc++/functors/mem_fun.h>
#include <sstream>
#include <cstdlib>
namespace
{
std::ostringstream result_stream;
sigc::connection connection;
class HandlerClass : public sigc::trackable
{
public:
void handler()
{
result_stream << "handler called";
connection.disconnect();
}
};
} // 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;
HandlerClass instance;
sigc::signal<void> signal_test;
connection = signal_test.connect(sigc::mem_fun(instance, &HandlerClass::handler));
result_stream << "Number of signal handlers before signal emission: " << signal_test.size();
util->check_result(result_stream, "Number of signal handlers before signal emission: 1");
signal_test.emit();
util->check_result(result_stream, "handler called");
result_stream << "Number of signal handlers after signal emission: " << signal_test.size();
util->check_result(result_stream, "Number of signal handlers after signal emission: 0");
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}
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