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

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//===----------------------------------------------------------------------===//
//
// 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
// void swap(unordered_map& __u);
#include <unordered_map>
#include <string>
#include <cassert>
#include <cstddef>
#include "../../test_compare.h"
#include "../../test_hash.h"
#include "test_macros.h"
#include "test_allocator.h"
#include "min_allocator.h"
int main()
{
{
typedef test_hash<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef test_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, 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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef test_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a2[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
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.at(10) == "ten");
assert(c1.at(20) == "twenty");
assert(c1.at(30) == "thirty");
assert(c1.at(40) == "forty");
assert(c1.at(50) == "fifty");
assert(c1.at(60) == "sixty");
assert(c1.at(70) == "seventy");
assert(c1.at(80) == "eighty");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef test_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a1[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
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.at(1) == "one");
assert(c2.at(2) == "two");
assert(c2.at(3) == "three");
assert(c2.at(4) == "four");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef test_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a1[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
P a2[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
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.at(10) == "ten");
assert(c1.at(20) == "twenty");
assert(c1.at(30) == "thirty");
assert(c1.at(40) == "forty");
assert(c1.at(50) == "fifty");
assert(c1.at(60) == "sixty");
assert(c1.at(70) == "seventy");
assert(c1.at(80) == "eighty");
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.at(1) == "one");
assert(c2.at(2) == "two");
assert(c2.at(3) == "three");
assert(c2.at(4) == "four");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef other_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, 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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef other_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a2[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
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.at(10) == "ten");
assert(c1.at(20) == "twenty");
assert(c1.at(30) == "thirty");
assert(c1.at(40) == "forty");
assert(c1.at(50) == "fifty");
assert(c1.at(60) == "sixty");
assert(c1.at(70) == "seventy");
assert(c1.at(80) == "eighty");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef other_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a1[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
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.at(1) == "one");
assert(c2.at(2) == "two");
assert(c2.at(3) == "three");
assert(c2.at(4) == "four");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef other_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a1[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
P a2[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
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.at(10) == "ten");
assert(c1.at(20) == "twenty");
assert(c1.at(30) == "thirty");
assert(c1.at(40) == "forty");
assert(c1.at(50) == "fifty");
assert(c1.at(60) == "sixty");
assert(c1.at(70) == "seventy");
assert(c1.at(80) == "eighty");
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.at(1) == "one");
assert(c2.at(2) == "two");
assert(c2.at(3) == "three");
assert(c2.at(4) == "four");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef min_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, 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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef min_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a2[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
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.at(10) == "ten");
assert(c1.at(20) == "twenty");
assert(c1.at(30) == "thirty");
assert(c1.at(40) == "forty");
assert(c1.at(50) == "fifty");
assert(c1.at(60) == "sixty");
assert(c1.at(70) == "seventy");
assert(c1.at(80) == "eighty");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef min_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a1[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
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.at(1) == "one");
assert(c2.at(2) == "two");
assert(c2.at(3) == "three");
assert(c2.at(4) == "four");
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<std::hash<int> > Hash;
typedef test_compare<std::equal_to<int> > Compare;
typedef min_allocator<std::pair<const int, std::string> > Alloc;
typedef std::unordered_map<int, std::string, Hash, Compare, Alloc> C;
typedef std::pair<int, std::string> P;
P a1[] =
{
P(1, "one"),
P(2, "two"),
P(3, "three"),
P(4, "four"),
P(1, "four"),
P(2, "four"),
};
P a2[] =
{
P(10, "ten"),
P(20, "twenty"),
P(30, "thirty"),
P(40, "forty"),
P(50, "fifty"),
P(60, "sixty"),
P(70, "seventy"),
P(80, "eighty"),
};
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.at(10) == "ten");
assert(c1.at(20) == "twenty");
assert(c1.at(30) == "thirty");
assert(c1.at(40) == "forty");
assert(c1.at(50) == "fifty");
assert(c1.at(60) == "sixty");
assert(c1.at(70) == "seventy");
assert(c1.at(80) == "eighty");
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.at(1) == "one");
assert(c2.at(2) == "two");
assert(c2.at(3) == "three");
assert(c2.at(4) == "four");
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
}
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