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libcxx/test/std/containers/views/span.objectrep/as_writeable_bytes.fail.cpp

49 lines
2.5 KiB
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>
// template <class ElementType, ptrdiff_t Extent>
// span<byte,
// Extent == dynamic_extent
// ? dynamic_extent
// : static_cast<ptrdiff_t>(sizeof(ElementType)) * Extent>
// as_writeable_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 ()
{
std::as_writeable_bytes(std::span<const int>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const long>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const double>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const A>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const std::string>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const int, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const long, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const double, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const A, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const std::string, 0>()); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const int> (iArr2, 1)); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
std::as_writeable_bytes(std::span<const int, 1>(iArr2 + 5, 1)); // expected-error {{no matching function for call to 'as_writeable_bytes'}}
}