09e3a36058
This patch adds a large number of missing includes in the libc++ headers and the test suite. Those were found as part of the effort to move towards a mostly monolithic top-level std module.
54 lines
1.2 KiB
C++
54 lines
1.2 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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// UNSUPPORTED: c++03, c++11, c++14
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// REQUIRES: c++experimental
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// <experimental/memory>
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// observer_ptr
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//
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// template <class T> struct hash<std::experimental::observer_ptr<T>>;
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#include <experimental/memory>
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#include <cassert>
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#include <functional>
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#include "poisoned_hash_helper.h"
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template <class T, class Object = T>
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void test_hash() {
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{
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using Ptr = std::experimental::observer_ptr<T>;
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Object obj;
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Ptr ptr(&obj);
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std::hash<std::experimental::observer_ptr<T>> f;
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std::size_t h = f(ptr);
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assert(h == std::hash<T*>()(&obj));
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}
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test_hash_enabled<std::experimental::observer_ptr<T>>();
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}
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struct Bar {};
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void test() {
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test_hash<void, int>();
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test_hash<int>();
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test_hash<Bar>();
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}
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int main(int, char**) {
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// Note: This isn't constexpr friendly in the spec!
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test();
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return 0;
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}
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