cxx/test/language.support/support.exception/except.nested/ctor_default.pass.cpp
Howard Hinnant ed2c2916b2 [except.nested]
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@104850 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-27 17:06:52 +00:00

56 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <exception>
// class nested_exception;
// nested_exception() throw();
#include <exception>
#include <cassert>
class A
{
int data_;
public:
explicit A(int data) : data_(data) {}
friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;}
};
int main()
{
{
std::nested_exception e;
assert(e.nested_ptr() == nullptr);
}
{
try
{
throw A(2);
assert(false);
}
catch (const A&)
{
std::nested_exception e;
assert(e.nested_ptr() != nullptr);
try
{
rethrow_exception(e.nested_ptr());
assert(false);
}
catch (const A& a)
{
assert(a == A(2));
}
}
}
}