113 lines
2.3 KiB
C++
113 lines
2.3 KiB
C++
// -*- c++ -*-
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/* 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++/adaptors/compose.h>
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#include <sstream>
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#include <cstdlib>
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// assume existance of T_functor::result_type for unknown functor types:
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namespace sigc { SIGC_FUNCTORS_HAVE_RESULT_TYPE }
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namespace
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{
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std::ostringstream result_stream;
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struct set
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{
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// choose a type that can hold all return values
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typedef double result_type;
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double operator()(int i)
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{
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result_stream << "set(int " << i << ") ";
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return i*i;
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}
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double operator()(double i)
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{
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result_stream << "set(double " << i << ") ";
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return i*5;
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}
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};
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struct set_void
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{
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typedef void result_type;
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void operator()(double i)
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{
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result_stream << "set_void(double " << i << ")";
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}
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};
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struct get
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{
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#ifdef SIGC_CXX_TYPEOF
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bool operator()()
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{
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result_stream << "get() ";
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return true;
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}
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int operator()(int i)
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{
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result_stream << "get(" << i << ") ";
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return i*2;
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}
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double operator()(int i, int j)
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{
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result_stream << "get(" << i << ", " << j << ") ";
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return double(i)/double(j);
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}
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#else
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// choose a type that can hold all return values
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typedef double result_type;
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double operator()()
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{
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result_stream << "get() ";
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return true;
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}
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double operator()(int i)
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{
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result_stream << "get(" << i << ") ";
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return i*2;
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}
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double operator()(int i, int j)
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{
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result_stream << "get(" << i << ", " << j << ") ";
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return double(i)/double(j);
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}
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#endif
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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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result_stream << sigc::compose(set(), get())();
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util->check_result(result_stream, "get() set(double 1) 5");
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result_stream << sigc::compose(set(), get())(1);
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util->check_result(result_stream, "get(1) set(double 2) 10");
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result_stream << sigc::compose(set(), get())(1, 2);
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util->check_result(result_stream, "get(1, 2) set(double 0.5) 2.5");
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sigc::compose(set_void(), get())(3); //void test
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util->check_result(result_stream, "get(3) set_void(double 6)");
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return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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