cxx/test/containers/unord/unord.multiset/unord.multiset.cnstr/copy.pass.cpp

172 lines
5.2 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
// unordered_multiset(const unordered_multiset& u);
#include <unordered_set>
#include <cassert>
#include <cfloat>
#include "../../../test_compare.h"
#include "../../../test_hash.h"
#include "../../../test_allocator.h"
#include "../../../min_allocator.h"
int main()
{
{
typedef std::unordered_multiset<int,
test_hash<std::hash<int> >,
test_compare<std::equal_to<int> >,
test_allocator<int>
> C;
typedef int P;
P a[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c0(a, a + sizeof(a)/sizeof(a[0]),
7,
test_hash<std::hash<int> >(8),
test_compare<std::equal_to<int> >(9),
test_allocator<int>(10)
);
C c = c0;
assert(c.bucket_count() == 7);
assert(c.size() == 6);
C::const_iterator i = c.cbegin();
assert(*i == 1);
++i;
assert(*i == 1);
++i;
assert(*i == 2);
++i;
assert(*i == 2);
++i;
assert(*i == 3);
++i;
assert(*i == 4);
assert(c.hash_function() == test_hash<std::hash<int> >(8));
assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
assert(c.get_allocator() == test_allocator<int>(10));
assert(!c.empty());
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
assert(c.max_load_factor() == 1);
}
#ifndef _LIBCPP_HAS_NO_ADVANCED_SFINAE
{
typedef std::unordered_multiset<int,
test_hash<std::hash<int> >,
test_compare<std::equal_to<int> >,
other_allocator<int>
> C;
typedef int P;
P a[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c0(a, a + sizeof(a)/sizeof(a[0]),
7,
test_hash<std::hash<int> >(8),
test_compare<std::equal_to<int> >(9),
other_allocator<int>(10)
);
C c = c0;
assert(c.bucket_count() == 7);
assert(c.size() == 6);
C::const_iterator i = c.cbegin();
assert(*i == 1);
++i;
assert(*i == 1);
++i;
assert(*i == 2);
++i;
assert(*i == 2);
++i;
assert(*i == 3);
++i;
assert(*i == 4);
assert(c.hash_function() == test_hash<std::hash<int> >(8));
assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
assert(c.get_allocator() == other_allocator<int>(-2));
assert(!c.empty());
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
assert(c.max_load_factor() == 1);
}
#endif // _LIBCPP_HAS_NO_ADVANCED_SFINAE
#if __cplusplus >= 201103L
{
typedef std::unordered_multiset<int,
test_hash<std::hash<int> >,
test_compare<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 c0(a, a + sizeof(a)/sizeof(a[0]),
7,
test_hash<std::hash<int> >(8),
test_compare<std::equal_to<int> >(9),
min_allocator<int>()
);
C c = c0;
assert(c.bucket_count() == 7);
assert(c.size() == 6);
C::const_iterator i = c.cbegin();
assert(*i == 1);
++i;
assert(*i == 1);
++i;
assert(*i == 2);
++i;
assert(*i == 2);
++i;
assert(*i == 3);
++i;
assert(*i == 4);
assert(c.hash_function() == test_hash<std::hash<int> >(8));
assert(c.key_eq() == test_compare<std::equal_to<int> >(9));
assert(c.get_allocator() == min_allocator<int>());
assert(!c.empty());
assert(std::distance(c.begin(), c.end()) == c.size());
assert(std::distance(c.cbegin(), c.cend()) == c.size());
assert(fabs(c.load_factor() - (float)c.size()/c.bucket_count()) < FLT_EPSILON);
assert(c.max_load_factor() == 1);
}
#endif
}