72 lines
1.9 KiB
C++
72 lines
1.9 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>
|
|
|
|
// template <size_t I, class T, size_t N> T& get(array<T, N>& a);
|
|
|
|
#include <array>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
template <typename ...T>
|
|
TEST_CONSTEXPR std::array<int, sizeof...(T)> tempArray(T ...args)
|
|
{
|
|
return {args...};
|
|
}
|
|
|
|
TEST_CONSTEXPR_CXX14 bool tests()
|
|
{
|
|
{
|
|
std::array<double, 1> array = {3.3};
|
|
assert(std::get<0>(array) == 3.3);
|
|
std::get<0>(array) = 99.1;
|
|
assert(std::get<0>(array) == 99.1);
|
|
}
|
|
{
|
|
std::array<double, 2> array = {3.3, 4.4};
|
|
assert(std::get<0>(array) == 3.3);
|
|
assert(std::get<1>(array) == 4.4);
|
|
std::get<0>(array) = 99.1;
|
|
std::get<1>(array) = 99.2;
|
|
assert(std::get<0>(array) == 99.1);
|
|
assert(std::get<1>(array) == 99.2);
|
|
}
|
|
{
|
|
std::array<double, 3> array = {3.3, 4.4, 5.5};
|
|
assert(std::get<0>(array) == 3.3);
|
|
assert(std::get<1>(array) == 4.4);
|
|
assert(std::get<2>(array) == 5.5);
|
|
std::get<1>(array) = 99.2;
|
|
assert(std::get<0>(array) == 3.3);
|
|
assert(std::get<1>(array) == 99.2);
|
|
assert(std::get<2>(array) == 5.5);
|
|
}
|
|
{
|
|
std::array<double, 1> array = {3.3};
|
|
static_assert(std::is_same<double&, decltype(std::get<0>(array))>::value, "");
|
|
}
|
|
{
|
|
assert(std::get<0>(tempArray(1, 2, 3)) == 1);
|
|
assert(std::get<1>(tempArray(1, 2, 3)) == 2);
|
|
assert(std::get<2>(tempArray(1, 2, 3)) == 3);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
tests();
|
|
#if TEST_STD_VER >= 14
|
|
static_assert(tests(), "");
|
|
#endif
|
|
return 0;
|
|
}
|