105 lines
3.8 KiB
C++
105 lines
3.8 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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#include "absl/container/node_hash_set.h"
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#include "absl/container/internal/unordered_set_constructor_test.h"
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#include "absl/container/internal/unordered_set_lookup_test.h"
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#include "absl/container/internal/unordered_set_members_test.h"
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#include "absl/container/internal/unordered_set_modifiers_test.h"
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namespace absl {
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namespace container_internal {
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namespace {
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using ::absl::container_internal::hash_internal::Enum;
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using ::absl::container_internal::hash_internal::EnumClass;
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using ::testing::Pointee;
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using ::testing::UnorderedElementsAre;
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using SetTypes = ::testing::Types<
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node_hash_set<int, StatefulTestingHash, StatefulTestingEqual, Alloc<int>>,
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node_hash_set<std::string, StatefulTestingHash, StatefulTestingEqual,
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Alloc<std::string>>,
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node_hash_set<Enum, StatefulTestingHash, StatefulTestingEqual, Alloc<Enum>>,
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node_hash_set<EnumClass, StatefulTestingHash, StatefulTestingEqual,
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Alloc<EnumClass>>>;
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INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, ConstructorTest, SetTypes);
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INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, LookupTest, SetTypes);
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INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, MembersTest, SetTypes);
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INSTANTIATE_TYPED_TEST_SUITE_P(NodeHashSet, ModifiersTest, SetTypes);
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TEST(NodeHashSet, MoveableNotCopyableCompiles) {
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node_hash_set<std::unique_ptr<void*>> t;
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node_hash_set<std::unique_ptr<void*>> u;
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u = std::move(t);
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}
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TEST(NodeHashSet, 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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absl::node_hash_set<std::unique_ptr<int>, Hash, Eq> set1, set2;
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set1.insert(absl::make_unique<int>(7));
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set1.insert(absl::make_unique<int>(17));
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set2.insert(absl::make_unique<int>(7));
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set2.insert(absl::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(absl::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(absl::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() = absl::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 container_internal
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} // namespace absl
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