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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// test set_unexpected
// MODULES_DEFINES: _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
#define _LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS
#include <exception>
#include <cassert>
#include <cstdlib>
void f1() {}
void f2() {}
void f3()
{
std::exit(0);
}
int main()
{
std::unexpected_handler old = std::set_unexpected(f1);
// verify there is a previous unexpected handler
assert(old);
// verify f1 was replace with f2
assert(std::set_unexpected(f2) == f1);
// verify calling original unexpected handler calls terminate
std::set_terminate(f3);
(*old)();
assert(0);
}
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