52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
/* Copyright 2002, The libsigc++ Development Team
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* Assigned to public domain. Use as you wish without restriction.
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*/
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#include "testutilities.h"
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#include <sigc++/trackable.h>
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#include <sigc++/signal.h>
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#include <sigc++/connection.h>
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#include <sigc++/functors/ptr_fun.h>
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#include <sigc++/functors/mem_fun.h>
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#include <sstream>
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#include <cstdlib>
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namespace
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{
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std::ostringstream result_stream;
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sigc::connection connection;
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class HandlerClass : public sigc::trackable
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{
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public:
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void handler()
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{
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result_stream << "handler called";
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connection.disconnect();
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}
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};
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} // end anonymous namespace
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int main(int argc, char* argv[])
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{
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auto util = TestUtilities::get_instance();
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if (!util->check_command_args(argc, argv))
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return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
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HandlerClass instance;
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sigc::signal<void> signal_test;
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connection = signal_test.connect(sigc::mem_fun(instance, &HandlerClass::handler));
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result_stream << "Number of signal handlers before signal emission: " << signal_test.size();
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util->check_result(result_stream, "Number of signal handlers before signal emission: 1");
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signal_test.emit();
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util->check_result(result_stream, "handler called");
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result_stream << "Number of signal handlers after signal emission: " << signal_test.size();
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util->check_result(result_stream, "Number of signal handlers after signal emission: 0");
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return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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