cxx/test/containers/unord/unord.multiset/iterators.pass.cpp

125 lines
3.3 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_set>
// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
// class Alloc = allocator<Value>>
// class unordered_multiset
// iterator begin();
// iterator end();
// const_iterator begin() const;
// const_iterator end() const;
// const_iterator cbegin() const;
// const_iterator cend() const;
#include <unordered_set>
#include <cassert>
#include "../../min_allocator.h"
int main()
{
{
typedef std::unordered_multiset<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() >= 7);
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;
}
{
typedef std::unordered_multiset<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() >= 7);
assert(c.size() == 6);
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
C::const_iterator i;
}
#if __cplusplus >= 201103L
{
typedef std::unordered_multiset<int, std::hash<int>,
std::equal_to<int>, min_allocator<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() >= 7);
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;
}
{
typedef std::unordered_multiset<int, std::hash<int>,
std::equal_to<int>, min_allocator<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() >= 7);
assert(c.size() == 6);
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
C::const_iterator i;
}
#endif
#if _LIBCPP_STD_VER > 11
{ // N3644 testing
typedef std::unordered_multiset<int> C;
C::iterator ii1{}, ii2{};
C::iterator ii4 = ii1;
C::const_iterator cii{};
assert ( ii1 == ii2 );
assert ( ii1 == ii4 );
assert ( ii1 == cii );
assert ( !(ii1 != ii2 ));
assert ( !(ii1 != cii ));
}
#endif
}