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libcxx/test/std/depr/exception.unexpected/set.unexpected/set_unexpected.pass.cpp

38 lines
895 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.
//
//===----------------------------------------------------------------------===//
// REQUIRES: c++98 || c++03 || c++11 || c++14
// test set_unexpected
#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);
}