You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
libcxx/test/std/containers/sequences/array/empty.fail.cpp

32 lines
894 B
C++

// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
// <array>
// class array
// bool empty() const noexcept;
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
#include <array>
#include "test_macros.h"
int main ()
{
std::array<int, 1> c;
c.empty(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
std::array<int, 0> c0;
c0.empty(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
}