llvm-project/libcxx/test/std/utilities/intseq/intseq.make/make_integer_seq.verify.cpp
Louis Dionne 9bb9ec380a
[libc++][NFC] Simplify checks for static assertions in .verify.cpp tests (#67559)
We don't neeed to handle both spellings anymore since we don't support
Clang 15 anymore.
2023-09-28 09:07:08 -04:00

32 lines
1.1 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <utility>
// template<class T, T N>
// using make_integer_sequence = integer_sequence<T, 0, 1, ..., N-1>;
// UNSUPPORTED: c++03, c++11
// This test hangs during recursive template instantiation with libstdc++
// UNSUPPORTED: stdlib=libstdc++
#include <utility>
#include "test_macros.h"
typedef std::make_integer_sequence<int, -3> MakeSeqT;
// std::make_integer_sequence is implemented using a compiler builtin if available.
// this builtin has different diagnostic messages than the fallback implementation.
#if TEST_HAS_BUILTIN(__make_integer_seq)
MakeSeqT i; // expected-error@*:* {{integer sequences must have non-negative sequence length}}
#else
MakeSeqT i; // expected-error-re@*:* {{static assertion failed{{.*}}std::make_integer_sequence must have a non-negative sequence length}}
#endif