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libcxx/test/std/containers/views/span.cons/default.fail.cpp

33 lines
983 B
C++

// -*- C++ -*-
//===------------------------------ span ---------------------------------===//
//
// 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, c++17
// <span>
// constexpr span() noexcept;
//
// Remarks: This constructor shall not participate in overload resolution
// unless Extent <= 0 is true.
#include <span>
#include <cassert>
#include <string>
#include "test_macros.h"
int main ()
{
std::span<int, 2> s; // expected-error-re@span:* {{static_assert failed{{( due to requirement '2[LL]{0,2} == 0')?}} "Can't default construct a statically sized span with size > 0"}}
// TODO: This is what I want:
// eXpected-error {{no matching constructor for initialization of 'std::span<int, 2>'}}
}