51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <array>
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// template <size_t I, class T, size_t N> const T& get(const array<T, N>& a);
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#include <array>
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#include <cassert>
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#include "test_macros.h"
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TEST_CONSTEXPR_CXX14 bool tests()
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{
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{
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std::array<double, 1> const array = {3.3};
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assert(std::get<0>(array) == 3.3);
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}
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{
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std::array<double, 2> const array = {3.3, 4.4};
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assert(std::get<0>(array) == 3.3);
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assert(std::get<1>(array) == 4.4);
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}
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{
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std::array<double, 3> const array = {3.3, 4.4, 5.5};
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assert(std::get<0>(array) == 3.3);
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assert(std::get<1>(array) == 4.4);
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assert(std::get<2>(array) == 5.5);
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}
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{
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std::array<double, 1> const array = {3.3};
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static_assert(std::is_same<double const&, decltype(std::get<0>(array))>::value, "");
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}
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return true;
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}
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int main(int, char**)
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{
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tests();
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#if TEST_STD_VER >= 14
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static_assert(tests(), "");
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#endif
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return 0;
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}
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