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// Copyright 2017 Antony Polukhin.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/stacktrace/detail/void_ptr_cast.hpp>
#include <boost/core/lightweight_test.hpp>
int foo1_func(int) { return 0; }
void foo2_func(int, int, ...) {}
struct test_struct {
int foo1_memb(int) const { return 0; }
void foo2_memb(int, int, ...) {}
};
template <class F1, class F2>
void test(F1 foo1, F2 foo2) {
using boost::stacktrace::detail::void_ptr_cast;
typedef void(*void_f_ptr)();
// Function/variable to void(*)()
void_f_ptr fp1 = void_ptr_cast<void_f_ptr>(foo1);
void_f_ptr fp2 = void_ptr_cast<void_f_ptr>(foo2);
BOOST_TEST(fp1);
BOOST_TEST(fp2);
BOOST_TEST(fp1 != fp2);
// Function/variable to void*
void* vp1 = void_ptr_cast<void*>(foo1);
void* vp2 = void_ptr_cast<void*>(foo2);
BOOST_TEST(vp1);
BOOST_TEST(vp2);
BOOST_TEST(vp1 != vp2);
// void* to void(*)()
void_f_ptr fp1_2 = void_ptr_cast<void_f_ptr>(vp1);
void_f_ptr fp2_2 = void_ptr_cast<void_f_ptr>(vp2);
BOOST_TEST(fp1_2);
BOOST_TEST(fp2_2);
BOOST_TEST(fp1_2 != fp2_2);
BOOST_TEST(fp1 == fp1_2);
BOOST_TEST(fp2 == fp2_2);
// void(*)() to void*
BOOST_TEST(void_ptr_cast<void*>(fp1) == vp1);
BOOST_TEST(void_ptr_cast<void*>(fp2) == vp2);
// void(*)() to function/variable
BOOST_TEST(void_ptr_cast<F1>(fp1) == foo1);
BOOST_TEST(void_ptr_cast<F2>(fp2) == foo2);
// void* to function/variable
BOOST_TEST(void_ptr_cast<F1>(vp1) == foo1);
BOOST_TEST(void_ptr_cast<F2>(vp2) == foo2);
}
int main() {
// Testing for functions
test(foo1_func, foo2_func);
typedef void(func_t)();
test(
boost::stacktrace::detail::void_ptr_cast<func_t* const>(foo1_func),
boost::stacktrace::detail::void_ptr_cast<func_t* const>(foo2_func)
);
// Testing for variables (just in case...)
int i = 0;
double j= 1;
test(&i, &j);
return boost::report_errors();
}
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