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b6e011b18b
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@362252 91177308-0d34-0410-b5e6-96231b3b80d8
57 lines
1.5 KiB
C++
57 lines
1.5 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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// <functional>
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// template <class T>
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// struct hash
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// : public unary_function<T, size_t>
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// {
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// size_t operator()(T val) const;
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// };
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// Not very portable
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#include <vector>
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#include <cassert>
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#include <type_traits>
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#include "test_macros.h"
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#include "min_allocator.h"
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int main(int, char**)
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{
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{
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typedef std::vector<bool> T;
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typedef std::hash<T> H;
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static_assert((std::is_same<H::argument_type, T>::value), "" );
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static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
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ASSERT_NOEXCEPT(H()(T()));
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bool ba[] = {true, false, true, true, false};
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T vb(std::begin(ba), std::end(ba));
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H h;
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assert(h(vb) != 0);
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::vector<bool, min_allocator<bool>> T;
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typedef std::hash<T> H;
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static_assert((std::is_same<H::argument_type, T>::value), "" );
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static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
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ASSERT_NOEXCEPT(H()(T()));
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bool ba[] = {true, false, true, true, false};
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T vb(std::begin(ba), std::end(ba));
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H h;
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assert(h(vb) != 0);
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}
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#endif
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return 0;
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}
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