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