| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14 |
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| 10 | // TODO: Change to XFAIL once https://github.com/llvm/llvm-project/issues/40340 is fixed |
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| 11 | // UNSUPPORTED: availability-pmr-missing |
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| 12 | |
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| 13 | // <memory_resource> |
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| 14 | |
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| 15 | // template <class T> class polymorphic_allocator |
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| 16 | |
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| 17 | // friend bool operator==(const polymorphic_allocator& a, |
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| 18 | // const polymorphic_allocator& b) noexcept |
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| 19 | |
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| 20 | #include <memory_resource> |
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| 21 | #include <cassert> |
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| 22 | #include <vector> |
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| 23 | |
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| 24 | #include "test_macros.h" |
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| 25 | |
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| 26 | int main(int, char**) { |
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| 27 | std::pmr::unsynchronized_pool_resource a; |
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| 28 | std::pmr::vector<int> vec(&a); |
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| 29 | |
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| 30 | assert(vec.get_allocator() == &a); |
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| 31 | static_assert(noexcept(vec.get_allocator() == &a)); |
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| 32 | |
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| 33 | // LWG3683 added operator== after C++20. In C++20 operator!= is generated by |
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| 34 | // the compiler. Libc++ adds operator!= in C++17 as an extension. MSVC STL |
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| 35 | // and libstdc++ have done the same so test this extension unconditionally. |
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| 36 | std::pmr::unsynchronized_pool_resource b; |
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| 37 | |
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| 38 | assert(vec.get_allocator() != &b); |
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| 39 | static_assert(noexcept(vec.get_allocator() != &b)); |
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| 40 | |
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| 41 | return 0; |
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| 42 | } |
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| 43 | |
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