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libcxx_old/test/std/containers/views/span.objectrep/as_writable_bytes.fail.cpp

50 lines
2.5 KiB
C++

// -*- C++ -*-
//===------------------------------ span ---------------------------------===//
//
// 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
//
//===---------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <span>
// template <class ElementType, size_t Extent>
// span<byte,
// Extent == dynamic_extent
// ? dynamic_extent
// : sizeof(ElementType) * Extent>
// as_writable_bytes(span<ElementType, Extent> s) noexcept;
#include <span>
#include <cassert>
#include <string>
#include "test_macros.h"
const int iArr2[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
struct A {};
int main(int, char**)
{
std::as_writable_bytes(std::span<const int>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const long>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const double>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const A>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const std::string>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const int, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const long, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const double, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const A, 0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const std::string, (size_t)0>()); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const int> (iArr2, 1)); // expected-error {{no matching function for call to 'as_writable_bytes'}}
std::as_writable_bytes(std::span<const int, 1>(iArr2 + 5, 1)); // expected-error {{no matching function for call to 'as_writable_bytes'}}
return 0;
}