//===----------------------------------------------------------------------===//
//
// 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
// void swap(unordered_set& u);
#include <unordered_set>
#include <cassert>
#include <cstddef>
#include "test_macros.h"
#include "../../test_compare.h"
#include "../../test_hash.h"
#include "test_allocator.h"
#include "min_allocator.h"
int main(int, char**)
{
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef test_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
C c1(0, Hash(1), Compare(1), Alloc(1, 1));
C c2(0, Hash(2), Compare(2), Alloc(1, 2));
c2.max_load_factor(2);
c1.swap(c2);
LIBCPP_ASSERT(c1.bucket_count() == 0);
assert(c1.size() == 0);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator().get_id() == 1);
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
LIBCPP_ASSERT(c2.bucket_count() == 0);
assert(c2.size() == 0);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator().get_id() == 2);
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef test_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a2[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(0, Hash(1), Compare(1), Alloc(1, 1));
C c2(std::begin(a2), std::end(a2), 0, Hash(2), Compare(2), Alloc(1, 2));
c2.max_load_factor(2);
c1.swap(c2);
assert(c1.bucket_count() >= 8);
assert(c1.size() == 8);
assert(*c1.find(10) == 10);
assert(*c1.find(20) == 20);
assert(*c1.find(30) == 30);
assert(*c1.find(40) == 40);
assert(*c1.find(50) == 50);
assert(*c1.find(60) == 60);
assert(*c1.find(70) == 70);
assert(*c1.find(80) == 80);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator().get_id() == 1);
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
LIBCPP_ASSERT(c2.bucket_count() == 0);
assert(c2.size() == 0);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator().get_id() == 2);
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef test_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a1[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c1(std::begin(a1), std::end(a1), 0, Hash(1), Compare(1), Alloc(1, 1));
C c2(0, Hash(2), Compare(2), Alloc(1, 2));
c2.max_load_factor(2);
c1.swap(c2);
LIBCPP_ASSERT(c1.bucket_count() == 0);
assert(c1.size() == 0);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator().get_id() == 1);
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
assert(c2.bucket_count() >= 4);
assert(c2.size() == 4);
assert(c2.count(1) == 1);
assert(c2.count(2) == 1);
assert(c2.count(3) == 1);
assert(c2.count(4) == 1);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator().get_id() == 2);
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef test_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a1[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
P a2[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(std::begin(a1), std::end(a1), 0, Hash(1), Compare(1), Alloc(1, 1));
C c2(std::begin(a2), std::end(a2), 0, Hash(2), Compare(2), Alloc(1, 2));
c2.max_load_factor(2);
c1.swap(c2);
assert(c1.bucket_count() >= 8);
assert(c1.size() == 8);
assert(*c1.find(10) == 10);
assert(*c1.find(20) == 20);
assert(*c1.find(30) == 30);
assert(*c1.find(40) == 40);
assert(*c1.find(50) == 50);
assert(*c1.find(60) == 60);
assert(*c1.find(70) == 70);
assert(*c1.find(80) == 80);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator().get_id() == 1);
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
assert(c2.bucket_count() >= 4);
assert(c2.size() == 4);
assert(c2.count(1) == 1);
assert(c2.count(2) == 1);
assert(c2.count(3) == 1);
assert(c2.count(4) == 1);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator().get_id() == 2);
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef other_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
C c1(0, Hash(1), Compare(1), Alloc(1));
C c2(0, Hash(2), Compare(2), Alloc(2));
c2.max_load_factor(2);
c1.swap(c2);
LIBCPP_ASSERT(c1.bucket_count() == 0);
assert(c1.size() == 0);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc(2));
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
LIBCPP_ASSERT(c2.bucket_count() == 0);
assert(c2.size() == 0);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc(1));
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef other_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a2[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(0, Hash(1), Compare(1), Alloc(1));
C c2(std::begin(a2), std::end(a2), 0, Hash(2), Compare(2), Alloc(2));
c2.max_load_factor(2);
c1.swap(c2);
assert(c1.bucket_count() >= 8);
assert(c1.size() == 8);
assert(*c1.find(10) == 10);
assert(*c1.find(20) == 20);
assert(*c1.find(30) == 30);
assert(*c1.find(40) == 40);
assert(*c1.find(50) == 50);
assert(*c1.find(60) == 60);
assert(*c1.find(70) == 70);
assert(*c1.find(80) == 80);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc(2));
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
LIBCPP_ASSERT(c2.bucket_count() == 0);
assert(c2.size() == 0);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc(1));
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef other_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a1[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c1(std::begin(a1), std::end(a1), 0, Hash(1), Compare(1), Alloc(1));
C c2(0, Hash(2), Compare(2), Alloc(2));
c2.max_load_factor(2);
c1.swap(c2);
LIBCPP_ASSERT(c1.bucket_count() == 0);
assert(c1.size() == 0);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc(2));
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
assert(c2.bucket_count() >= 4);
assert(c2.size() == 4);
assert(c2.count(1) == 1);
assert(c2.count(2) == 1);
assert(c2.count(3) == 1);
assert(c2.count(4) == 1);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc(1));
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef other_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a1[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
P a2[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(std::begin(a1), std::end(a1), 0, Hash(1), Compare(1), Alloc(1));
C c2(std::begin(a2), std::end(a2), 0, Hash(2), Compare(2), Alloc(2));
c2.max_load_factor(2);
c1.swap(c2);
assert(c1.bucket_count() >= 8);
assert(c1.size() == 8);
assert(*c1.find(10) == 10);
assert(*c1.find(20) == 20);
assert(*c1.find(30) == 30);
assert(*c1.find(40) == 40);
assert(*c1.find(50) == 50);
assert(*c1.find(60) == 60);
assert(*c1.find(70) == 70);
assert(*c1.find(80) == 80);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc(2));
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
assert(c2.bucket_count() >= 4);
assert(c2.size() == 4);
assert(c2.count(1) == 1);
assert(c2.count(2) == 1);
assert(c2.count(3) == 1);
assert(c2.count(4) == 1);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc(1));
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
#if TEST_STD_VER >= 11
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef min_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
C c1(0, Hash(1), Compare(1), Alloc());
C c2(0, Hash(2), Compare(2), Alloc());
c2.max_load_factor(2);
c1.swap(c2);
LIBCPP_ASSERT(c1.bucket_count() == 0);
assert(c1.size() == 0);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
LIBCPP_ASSERT(c2.bucket_count() == 0);
assert(c2.size() == 0);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef min_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a2[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(0, Hash(1), Compare(1), Alloc());
C c2(std::begin(a2), std::end(a2), 0, Hash(2), Compare(2), Alloc());
c2.max_load_factor(2);
c1.swap(c2);
assert(c1.bucket_count() >= 8);
assert(c1.size() == 8);
assert(*c1.find(10) == 10);
assert(*c1.find(20) == 20);
assert(*c1.find(30) == 30);
assert(*c1.find(40) == 40);
assert(*c1.find(50) == 50);
assert(*c1.find(60) == 60);
assert(*c1.find(70) == 70);
assert(*c1.find(80) == 80);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
LIBCPP_ASSERT(c2.bucket_count() == 0);
assert(c2.size() == 0);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef min_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a1[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
C c1(std::begin(a1), std::end(a1), 0, Hash(1), Compare(1), Alloc());
C c2(0, Hash(2), Compare(2), Alloc());
c2.max_load_factor(2);
c1.swap(c2);
LIBCPP_ASSERT(c1.bucket_count() == 0);
assert(c1.size() == 0);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
assert(c2.bucket_count() >= 4);
assert(c2.size() == 4);
assert(c2.count(1) == 1);
assert(c2.count(2) == 1);
assert(c2.count(3) == 1);
assert(c2.count(4) == 1);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
{
typedef test_hash<int> Hash;
typedef test_equal_to<int> Compare;
typedef min_allocator<int> Alloc;
typedef std::unordered_set<int, Hash, Compare, Alloc> C;
typedef int P;
P a1[] =
{
P(1),
P(2),
P(3),
P(4),
P(1),
P(2)
};
P a2[] =
{
P(10),
P(20),
P(30),
P(40),
P(50),
P(60),
P(70),
P(80)
};
C c1(std::begin(a1), std::end(a1), 0, Hash(1), Compare(1), Alloc());
C c2(std::begin(a2), std::end(a2), 0, Hash(2), Compare(2), Alloc());
c2.max_load_factor(2);
c1.swap(c2);
assert(c1.bucket_count() >= 8);
assert(c1.size() == 8);
assert(*c1.find(10) == 10);
assert(*c1.find(20) == 20);
assert(*c1.find(30) == 30);
assert(*c1.find(40) == 40);
assert(*c1.find(50) == 50);
assert(*c1.find(60) == 60);
assert(*c1.find(70) == 70);
assert(*c1.find(80) == 80);
assert(c1.hash_function() == Hash(2));
assert(c1.key_eq() == Compare(2));
assert(c1.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c1.begin(), c1.end())) == c1.size());
assert(static_cast<std::size_t>(std::distance(c1.cbegin(), c1.cend())) == c1.size());
assert(c1.max_load_factor() == 2);
assert(c2.bucket_count() >= 4);
assert(c2.size() == 4);
assert(c2.count(1) == 1);
assert(c2.count(2) == 1);
assert(c2.count(3) == 1);
assert(c2.count(4) == 1);
assert(c2.hash_function() == Hash(1));
assert(c2.key_eq() == Compare(1));
assert(c2.get_allocator() == Alloc());
assert(static_cast<std::size_t>(std::distance(c2.begin(), c2.end())) == c2.size());
assert(static_cast<std::size_t>(std::distance(c2.cbegin(), c2.cend())) == c2.size());
assert(c2.max_load_factor() == 1);
}
#endif
return 0;
}
Codebase Browser
llvm