quickerNES/extern/phmap/tests/flat_hash_set_test.cc

134 lines
4.1 KiB
C++

// Copyright 2018 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef THIS_HASH_SET
#define THIS_HASH_SET flat_hash_set
#define THIS_TEST_NAME FlatHashSet
#endif
#include "parallel_hashmap/phmap.h"
#include <vector>
#include "hash_generator_testing.h"
#include "unordered_set_constructor_test.h"
#include "unordered_set_lookup_test.h"
#include "unordered_set_members_test.h"
#include "unordered_set_modifiers_test.h"
namespace phmap {
namespace priv {
namespace {
using ::phmap::priv::hash_internal::Enum;
using ::phmap::priv::hash_internal::EnumClass;
using ::testing::Pointee;
using ::testing::UnorderedElementsAre;
using ::testing::UnorderedElementsAreArray;
template <class T>
using Set =
phmap::THIS_HASH_SET<T, StatefulTestingHash, StatefulTestingEqual, Alloc<T>>;
using SetTypes =
::testing::Types<Set<int>, Set<std::string>, Set<Enum>, Set<EnumClass>>;
INSTANTIATE_TYPED_TEST_SUITE_P(THIS_TEST_NAME, ConstructorTest, SetTypes);
INSTANTIATE_TYPED_TEST_SUITE_P(THIS_TEST_NAME, LookupTest, SetTypes);
INSTANTIATE_TYPED_TEST_SUITE_P(THIS_TEST_NAME, MembersTest, SetTypes);
INSTANTIATE_TYPED_TEST_SUITE_P(THIS_TEST_NAME, ModifiersTest, SetTypes);
#if PHMAP_HAVE_STD_STRING_VIEW
TEST(THIS_TEST_NAME, EmplaceString) {
std::vector<std::string> v = {"a", "b"};
phmap::THIS_HASH_SET<std::string_view> hs(v.begin(), v.end());
//EXPECT_THAT(hs, UnorderedElementsAreArray(v));
}
#endif
TEST(THIS_TEST_NAME, BitfieldArgument) {
union {
int n : 1;
};
n = 0;
phmap::THIS_HASH_SET<int> s = {n};
s.insert(n);
s.insert(s.end(), n);
s.insert({n});
s.erase(n);
s.count(n);
s.prefetch(n);
s.find(n);
s.contains(n);
s.equal_range(n);
}
TEST(THIS_TEST_NAME, MergeExtractInsert) {
struct Hash {
size_t operator()(const std::unique_ptr<int>& p) const { return *p; }
};
struct Eq {
bool operator()(const std::unique_ptr<int>& a,
const std::unique_ptr<int>& b) const {
return *a == *b;
}
};
phmap::THIS_HASH_SET<std::unique_ptr<int>, Hash, Eq> set1, set2;
set1.insert(phmap::make_unique<int>(7));
set1.insert(phmap::make_unique<int>(17));
set2.insert(phmap::make_unique<int>(7));
set2.insert(phmap::make_unique<int>(19));
EXPECT_THAT(set1, UnorderedElementsAre(Pointee(7), Pointee(17)));
EXPECT_THAT(set2, UnorderedElementsAre(Pointee(7), Pointee(19)));
set1.merge(set2);
EXPECT_THAT(set1, UnorderedElementsAre(Pointee(7), Pointee(17), Pointee(19)));
EXPECT_THAT(set2, UnorderedElementsAre(Pointee(7)));
auto node = set1.extract(phmap::make_unique<int>(7));
EXPECT_TRUE(node);
EXPECT_THAT(node.value(), Pointee(7));
EXPECT_THAT(set1, UnorderedElementsAre(Pointee(17), Pointee(19)));
auto insert_result = set2.insert(std::move(node));
EXPECT_FALSE(node);
EXPECT_FALSE(insert_result.inserted);
EXPECT_TRUE(insert_result.node);
EXPECT_THAT(insert_result.node.value(), Pointee(7));
EXPECT_EQ(**insert_result.position, 7);
EXPECT_NE(insert_result.position->get(), insert_result.node.value().get());
EXPECT_THAT(set2, UnorderedElementsAre(Pointee(7)));
node = set1.extract(phmap::make_unique<int>(17));
EXPECT_TRUE(node);
EXPECT_THAT(node.value(), Pointee(17));
EXPECT_THAT(set1, UnorderedElementsAre(Pointee(19)));
node.value() = phmap::make_unique<int>(23);
insert_result = set2.insert(std::move(node));
EXPECT_FALSE(node);
EXPECT_TRUE(insert_result.inserted);
EXPECT_FALSE(insert_result.node);
EXPECT_EQ(**insert_result.position, 23);
EXPECT_THAT(set2, UnorderedElementsAre(Pointee(7), Pointee(23)));
}
} // namespace
} // namespace priv
} // namespace phmap