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72 lines
1.7 KiB
C++
72 lines
1.7 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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// <unordered_set>
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// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
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// class Alloc = allocator<Value>>
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// class unordered_set
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// size_type count(const key_type& k) const;
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#include <unordered_set>
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#include <cassert>
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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::unordered_set<int> C;
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typedef int P;
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P a[] =
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{
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P(10),
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P(20),
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P(30),
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P(40),
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P(50),
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P(50),
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P(50),
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P(60),
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P(70),
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P(80)
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};
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const C c(std::begin(a), std::end(a));
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assert(c.count(30) == 1);
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assert(c.count(50) == 1);
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assert(c.count(5) == 0);
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}
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#if TEST_STD_VER >= 11
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{
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typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> C;
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typedef int P;
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P a[] =
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{
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P(10),
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P(20),
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P(30),
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P(40),
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P(50),
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P(50),
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P(50),
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P(60),
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P(70),
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P(80)
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};
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const C c(std::begin(a), std::end(a));
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assert(c.count(30) == 1);
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assert(c.count(50) == 1);
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assert(c.count(5) == 0);
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}
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#endif
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return 0;
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}
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