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libcxx/test/std/containers/unord/unord.map/count.pass.cpp

66 lines
1.8 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <unordered_map>
// template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
// class Alloc = allocator<pair<const Key, T>>>
// class unordered_map
// size_type count(const key_type& k) const;
#include <unordered_map>
#include <string>
#include <cassert>
#include "min_allocator.h"
int main()
{
{
typedef std::unordered_map<int, std::string> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
const C c(std::begin(a), std::end(a));
assert(c.count(30) == 1);
assert(c.count(5) == 0);
}
#if TEST_STD_VER >= 11
{
typedef std::unordered_map<int, std::string, std::hash<int>, std::equal_to<int>,
min_allocator<std::pair<const int, std::string>>> C;
typedef std::pair<int, std::string> P;
P a[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
const C c(std::begin(a), std::end(a));
assert(c.count(30) == 1);
assert(c.count(5) == 0);
}
#endif
}