libsigcplusplus/tests/test_slot.cc

123 lines
2.5 KiB
C++

/* Copyright 2002, 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>
//The Tru64 compiler seems to need this to avoid an unresolved symbol
//See bug #161503
#include <new>
namespace
{
TestUtilities* util = nullptr;
std::ostringstream result_stream;
class foo
{
public:
void operator()(int i)
{
result_stream << "foo(int " << i << ")";
}
void operator()(std::string& str)
{
result_stream << "foo(string '" << str << "') ";
str="foo was here";
}
void operator()(int, int)
{
result_stream << "foo(int, int)";
}
};
void test_simple()
{
// simple test
sigc::slot<void,int> s1 = foo();
s1(1);
util->check_result(result_stream, "foo(int 1)");
s1 = foo();
s1(2);
util->check_result(result_stream, "foo(int 2)");
}
void test_std_function_style_syntax()
{
// simple test
sigc::slot<void(int)> s1 = foo();
s1(1);
util->check_result(result_stream, "foo(int 1)");
s1 = foo();
s1(2);
util->check_result(result_stream, "foo(int 2)");
}
void test_implicit_conversion()
{
// test implicit conversion
sigc::slot<void,char> s2 = foo();
s2(3);
util->check_result(result_stream, "foo(int 3)");
}
void test_reference()
{
// test reference
sigc::slot<void,std::string&> sl1 = foo();
std::string str("guest book");
sl1(str);
result_stream << str;
util->check_result(result_stream, "foo(string 'guest book') foo was here");
}
void test_operator_equals()
{
// test operator=
std::string str = "guest book";
sigc::slot<void,std::string&> sl1 = foo();
sigc::slot<void,std::string&> sl2;
sl2 = sl1;
sl1 = sl2;
sl1(str);
result_stream << str;
util->check_result(result_stream, "foo(string 'guest book') foo was here");
}
void test_copy_ctor()
{
// test copy ctor
sigc::slot<void,int> s1 = foo();
sigc::slot<void,int> s1_clone(s1);
s1_clone(4);
util->check_result(result_stream, "foo(int 4)");
}
} // 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_simple();
test_std_function_style_syntax();
test_implicit_conversion();
test_reference();
test_operator_equals();
test_copy_ctor();
return util->get_result_and_delete_instance() ? EXIT_SUCCESS : EXIT_FAILURE;
}