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libcxx/test/std/language.support/support.exception/propagation/exception_ptr.pass.cpp

35 lines
852 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.
//
//===----------------------------------------------------------------------===//
// <exception>
// typedef unspecified exception_ptr;
// exception_ptr shall satisfy the requirements of NullablePointer.
#include <exception>
#include <cassert>
int main()
{
std::exception_ptr p;
assert(p == nullptr);
std::exception_ptr p2 = p;
assert(nullptr == p);
assert(!p);
assert(p2 == p);
p2 = p;
assert(p2 == p);
assert(p2 == nullptr);
std::exception_ptr p3 = nullptr;
assert(p3 == nullptr);
p3 = nullptr;
assert(p3 == nullptr);
}