90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
// { dg-do run }
|
|
// { dg-options "-std=gnu++17" }
|
|
|
|
// Copyright (C) 2015 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
// 24.8, container access [iterator.container]
|
|
|
|
#include <iterator>
|
|
#include <vector>
|
|
#include <testsuite_hooks.h>
|
|
|
|
bool test __attribute__((unused)) = true;
|
|
|
|
void
|
|
test01()
|
|
{
|
|
int i[42];
|
|
VERIFY(std::data(i) == i);
|
|
VERIFY(std::size(i) == 42);
|
|
VERIFY(!std::empty(i));
|
|
}
|
|
|
|
void
|
|
test02()
|
|
{
|
|
static constexpr int i[42]{};
|
|
constexpr auto d = std::data(i);
|
|
static_assert(d == i);
|
|
constexpr auto s = std::size(i);
|
|
static_assert(s == 42);
|
|
constexpr auto e = std::empty(i);
|
|
static_assert(!e);
|
|
}
|
|
|
|
int
|
|
test03()
|
|
{
|
|
std::initializer_list<int> il{1,2,3};
|
|
VERIFY(std::data(il) == il.begin());
|
|
VERIFY(std::size(il) == 3);
|
|
VERIFY(!std::empty(il));
|
|
std::initializer_list<int> il2{};
|
|
VERIFY(std::size(il2) == 0);
|
|
VERIFY(std::empty(il2));
|
|
constexpr std::initializer_list<int> il3{1,2,3};
|
|
constexpr auto d = std::data(il3);
|
|
static_assert(d == il3.begin());
|
|
constexpr auto s = std::size(il3);
|
|
static_assert(s == 3);
|
|
constexpr auto e = std::empty(il3);
|
|
static_assert(!e);
|
|
|
|
}
|
|
|
|
int
|
|
test04()
|
|
{
|
|
std::vector<int> v{1,2,3};
|
|
VERIFY(std::data(v) == v.data());
|
|
VERIFY(std::size(v) == v.size());
|
|
VERIFY(!std::empty(v));
|
|
std::vector<int> v2{};
|
|
VERIFY(std::size(v2) == v2.size());
|
|
VERIFY(std::empty(v2));
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
test02();
|
|
test03();
|
|
test04();
|
|
}
|