You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libcxx/test/std/language.support/support.exception/propagation/rethrow_exception.pass.cpp

65 lines
1.5 KiB
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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: libcpp-no-exceptions
// <exception>
// void rethrow_exception [[noreturn]] (exception_ptr p);
#include <exception>
#include <cassert>
struct A
{
static int constructed;
int data_;
A(int data = 0) : data_(data) {++constructed;}
~A() {--constructed;}
A(const A& a) : data_(a.data_) {++constructed;}
};
int A::constructed = 0;
int main()
{
{
std::exception_ptr p;
try
{
throw A(3);
}
catch (...)
{
p = std::current_exception();
}
try
{
std::rethrow_exception(p);
assert(false);
}
catch (const A& a)
{
#ifndef _LIBCPP_ABI_MICROSOFT
assert(A::constructed == 1);
#else
// On Windows the exception_ptr copies the exception
assert(A::constructed == 2);
#endif
assert(p != nullptr);
p = nullptr;
assert(p == nullptr);
assert(a.data_ == 3);
assert(A::constructed == 1);
}
assert(A::constructed == 0);
}
assert(A::constructed == 0);
}