Files
libcxx/test/std/utilities/any/any.nonmembers/any.cast/not_copy_constructible.fail.cpp
Eric Fiselier dfcb00a2c5 Fix failing -verify tests due to change in Clangs static_assert message.
Clang recently changed the way it outputs static assert diagnostics.
This patch fixes libc++'s -verify tests so they tolerate both the old
and new message format.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@313499 91177308-0d34-0410-b5e6-96231b3b80d8
2017-09-17 20:57:05 +00:00

59 lines
1.9 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: c++98, c++03, c++11, c++14
// <any>
// template <class ValueType>
// ValueType const any_cast(any const&);
//
// template <class ValueType>
// ValueType any_cast(any &);
//
// template <class ValueType>
// ValueType any_cast(any &&);
// Test instantiating the any_cast with a non-copyable type.
#include <any>
using std::any;
using std::any_cast;
struct no_copy
{
no_copy() {}
no_copy(no_copy &&) {}
no_copy(no_copy const &) = delete;
};
struct no_move {
no_move() {}
no_move(no_move&&) = delete;
no_move(no_move const&) {}
};
int main() {
any a;
// expected-error-re@any:* {{static_assert failed{{.*}} "ValueType is required to be an lvalue reference or a CopyConstructible type"}}
// expected-error@any:* {{static_cast from 'no_copy' to 'no_copy' uses deleted function}}
any_cast<no_copy>(static_cast<any&>(a)); // expected-note {{requested here}}
// expected-error-re@any:* {{static_assert failed{{.*}} "ValueType is required to be a const lvalue reference or a CopyConstructible type"}}
// expected-error@any:* {{static_cast from 'const no_copy' to 'no_copy' uses deleted function}}
any_cast<no_copy>(static_cast<any const&>(a)); // expected-note {{requested here}}
any_cast<no_copy>(static_cast<any &&>(a)); // OK
// expected-error-re@any:* {{static_assert failed{{.*}} "ValueType is required to be an rvalue reference or a CopyConstructible type"}}
// expected-error@any:* {{static_cast from 'typename remove_reference<no_move &>::type' (aka 'no_move') to 'no_move' uses deleted function}}
any_cast<no_move>(static_cast<any &&>(a));
}