libsigcplusplus/tests/test_retype.cc

120 lines
2.7 KiB
C++

// -*- c++ -*-
/* Copyright 2002, The libsigc++ Development Team
* Assigned to public domain. Use as you wish without restriction.
*/
#include "testutilities.h"
#include <sigc++/adaptors/retype.h>
#include <sstream>
#include <cstdlib>
namespace
{
TestUtilities* util = nullptr;
std::ostringstream result_stream;
struct foo : public sigc::trackable
{
float test_int(int i)
{
result_stream << "foo::test_int(int " << i << ") ";
return i * 1.5f;
}
float test_float(float f)
{
result_stream << "foo::test_float(float " << f << ") ";
return f * 5;
}
};
void bar(short s)
{
result_stream << "bar(short " << s << ")";
}
void test_member_int()
{
foo foo_;
result_stream << sigc::retype(sigc::mem_fun(foo_, &foo::test_int))(1.234f);
util->check_result(result_stream, "foo::test_int(int 1) 1.5");
}
void test_member_float()
{
foo foo_;
result_stream << sigc::retype(sigc::mem_fun(foo_, &foo::test_float))(5);
util->check_result(result_stream, "foo::test_float(float 5) 25");
}
void test_ptr_fun()
{
sigc::retype(sigc::ptr_fun(&bar))(6.789f);
util->check_result(result_stream, "bar(short 6)");
}
void test_member_int_with_slot()
{
foo foo_;
sigc::slot<float,float> s1 = sigc::retype(sigc::mem_fun(foo_, &foo::test_int));
result_stream << s1(1.234f);
util->check_result(result_stream, "foo::test_int(int 1) 1.5");
}
void test_member_float_with_slot()
{
foo foo_;
sigc::slot<float,int> s2 = sigc::retype(sigc::mem_fun(foo_, &foo::test_float));
result_stream << s2(5);
util->check_result(result_stream, "foo::test_float(float 5) 25");
}
void test_ptr_fun_with_slot()
{
sigc::slot<void,double> s3 = sigc::retype(sigc::ptr_fun(&bar));
s3(6.789);
util->check_result(result_stream, "bar(short 6)");
}
void test_retype_slot()
{
foo foo_;
sigc::slot<float,float> s1 = sigc::retype(sigc::mem_fun(foo_, &foo::test_int));
sigc::slot<float,int> s2 = sigc::retype(s1);
result_stream << s2(5);
util->check_result(result_stream, "foo::test_int(int 5) 7.5");
}
void test_std_function_style_syntax()
{
foo foo_;
sigc::slot<float(float)> s1 = sigc::retype(sigc::mem_fun(foo_, &foo::test_int));
result_stream << s1(1.234f);
util->check_result(result_stream, "foo::test_int(int 1) 1.5");
}
} // end anonymous namespace
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_member_int();
test_member_float();
test_ptr_fun();
test_member_int_with_slot();
test_member_float_with_slot();
test_ptr_fun_with_slot();
test_retype_slot();
test_std_function_style_syntax();
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}