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