55 lines
1.1 KiB
C++
55 lines
1.1 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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// class array
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// constexpr bool empty() const noexcept;
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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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typedef std::array<int, 2> C;
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C c = {};
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ASSERT_NOEXCEPT(c.empty());
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assert(!c.empty());
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}
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{
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typedef std::array<int, 0> C;
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C c = {};
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ASSERT_NOEXCEPT(c.empty());
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assert(c.empty());
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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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#if TEST_STD_VER >= 11
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// Sanity check for constexpr in C++11
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{
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constexpr std::array<int, 3> array = {};
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static_assert(!array.empty(), "");
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}
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#endif
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return 0;
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}
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