libsigcplusplus/tests/test_slot_disconnect.cc

53 lines
1.1 KiB
C++

/* Copyright 2005, The libsigc++ Development Team
* Assigned to public domain. Use as you wish without restriction.
*/
#include "testutilities.h"
#include <sigc++/functors/slot.h>
#include <sstream>
#include <string>
#include <cstdlib>
namespace
{
std::ostringstream result_stream;
void Foo()
{
result_stream << "Foo";
}
void Bar()
{
result_stream << "Bar";
}
} // 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;
//Note that sigc::ptr_fun() creates a sigc::pointer_functor0.
sigc::slot<void> theSlot(sigc::ptr_fun(&Foo));
theSlot();
util->check_result(result_stream, "Foo");
theSlot.disconnect();
theSlot();
util->check_result(result_stream, "");
theSlot = sigc::ptr_fun(&Bar);
theSlot();
util->check_result(result_stream, "Bar");
theSlot = sigc::slot<void>(); // Assign an empty slot.
theSlot();
util->check_result(result_stream, "");
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}