6900df37d2
Since we officially don't support several older compilers now, we can drop a lot of the markup in the test suite. This helps keep the test suite simple and makes sure that UNSUPPORTED annotations don't rot. This is the first patch of a series that will remove annotations for compilers that are now unsupported. Differential Revision: https://reviews.llvm.org/D107787
48 lines
1.3 KiB
C++
48 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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// An array is a contiguous container
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#include <array>
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#include <cassert>
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#include "test_macros.h"
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template <class Container>
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TEST_CONSTEXPR_CXX14 void assert_contiguous(Container const& c)
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{
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for (size_t i = 0; i < c.size(); ++i)
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assert(*(c.begin() + i) == *(std::addressof(*c.begin()) + i));
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}
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TEST_CONSTEXPR_CXX17 bool tests()
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{
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assert_contiguous(std::array<double, 0>());
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assert_contiguous(std::array<double, 1>());
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assert_contiguous(std::array<double, 2>());
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assert_contiguous(std::array<double, 3>());
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assert_contiguous(std::array<char, 0>());
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assert_contiguous(std::array<char, 1>());
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assert_contiguous(std::array<char, 2>());
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assert_contiguous(std::array<char, 3>());
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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 >= 17 // begin() & friends are constexpr in >= C++17 only
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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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