cxx/test/depr/exception.unexpected/set.unexpected/get_unexpected.pass.cpp
2010-12-02 16:45:21 +00:00

40 lines
948 B
C++

//===----------------------------------------------------------------------===//
//
// 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 get_unexpected
#include <exception>
#include <cassert>
#include <cstdlib>
void f1() {}
void f2() {}
void f3()
{
std::exit(0);
}
int main()
{
std::unexpected_handler old = std::get_unexpected();
// verify there is a previous unexpected handler
assert(old);
std::set_unexpected(f1);
assert(std::get_unexpected() == f1);
// verify f1 was replace with f2
std::set_unexpected(f2);
assert(std::get_unexpected() == f2);
// verify calling original unexpected handler calls terminate
std::set_terminate(f3);
(*old)();
assert(0);
}