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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <unordered_set>
// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
// class Alloc = allocator<Value>>
// class unordered_set
// iterator begin() {return __table_.begin();}
// iterator end() {return __table_.end();}
// const_iterator begin() const {return __table_.begin();}
// const_iterator end() const {return __table_.end();}
// const_iterator cbegin() const {return __table_.begin();}
// const_iterator cend() const {return __table_.end();}
#include <unordered_set>
#include <cassert>
int main(int, char**)
{
{
typedef std::unordered_set<int> C;
typedef int P;
P a[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c(a, a + sizeof(a)/sizeof(a[0]));
assert(c.bucket_count() >= 5);
assert(c.size() == 6);
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
C::iterator i = c.begin();
assert(*i == 1);
*i = 2;
}
{
typedef std::unordered_set<int> C;
typedef int P;
P a[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
const C c(a, a + sizeof(a)/sizeof(a[0]));
assert(c.bucket_count() >= 5);
assert(c.size() == 6);
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
}
return 0;
}
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