49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// 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
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
// <array>
|
||
|
|
|
||
|
|
// An array is a contiguous container
|
||
|
|
|
||
|
|
#include <array>
|
||
|
|
#include <cassert>
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
#include "test_macros.h"
|
||
|
|
|
||
|
|
template <class Container>
|
||
|
|
TEST_CONSTEXPR_CXX14 void assert_contiguous(Container const& c)
|
||
|
|
{
|
||
|
|
for (std::size_t i = 0; i < c.size(); ++i)
|
||
|
|
assert(*(c.begin() + i) == *(std::addressof(*c.begin()) + i));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST_CONSTEXPR_CXX17 bool tests()
|
||
|
|
{
|
||
|
|
assert_contiguous(std::array<double, 0>());
|
||
|
|
assert_contiguous(std::array<double, 1>());
|
||
|
|
assert_contiguous(std::array<double, 2>());
|
||
|
|
assert_contiguous(std::array<double, 3>());
|
||
|
|
|
||
|
|
assert_contiguous(std::array<char, 0>());
|
||
|
|
assert_contiguous(std::array<char, 1>());
|
||
|
|
assert_contiguous(std::array<char, 2>());
|
||
|
|
assert_contiguous(std::array<char, 3>());
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(int, char**)
|
||
|
|
{
|
||
|
|
tests();
|
||
|
|
#if TEST_STD_VER >= 17 // begin() & friends are constexpr in >= C++17 only
|
||
|
|
static_assert(tests(), "");
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|