89 lines
3 KiB
C++
89 lines
3 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 ABSL_CONTAINER_INTERNAL_UNORDERED_SET_LOOKUP_TEST_H_
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#define ABSL_CONTAINER_INTERNAL_UNORDERED_SET_LOOKUP_TEST_H_
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "absl/container/internal/hash_generator_testing.h"
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#include "absl/container/internal/hash_policy_testing.h"
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namespace absl {
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namespace container_internal {
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template <class UnordSet>
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class LookupTest : public ::testing::Test {};
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TYPED_TEST_SUITE_P(LookupTest);
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TYPED_TEST_P(LookupTest, Count) {
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using T = hash_internal::GeneratedType<TypeParam>;
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std::vector<T> values;
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std::generate_n(std::back_inserter(values), 10,
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hash_internal::Generator<T>());
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TypeParam m;
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for (const auto& v : values)
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EXPECT_EQ(0, m.count(v)) << ::testing::PrintToString(v);
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m.insert(values.begin(), values.end());
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for (const auto& v : values)
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EXPECT_EQ(1, m.count(v)) << ::testing::PrintToString(v);
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}
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TYPED_TEST_P(LookupTest, Find) {
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using T = hash_internal::GeneratedType<TypeParam>;
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std::vector<T> values;
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std::generate_n(std::back_inserter(values), 10,
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hash_internal::Generator<T>());
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TypeParam m;
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for (const auto& v : values)
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EXPECT_TRUE(m.end() == m.find(v)) << ::testing::PrintToString(v);
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m.insert(values.begin(), values.end());
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for (const auto& v : values) {
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typename TypeParam::iterator it = m.find(v);
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static_assert(std::is_same<const typename TypeParam::value_type&,
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decltype(*it)>::value,
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"");
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static_assert(std::is_same<const typename TypeParam::value_type*,
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decltype(it.operator->())>::value,
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"");
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EXPECT_TRUE(m.end() != it) << ::testing::PrintToString(v);
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EXPECT_EQ(v, *it) << ::testing::PrintToString(v);
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}
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}
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TYPED_TEST_P(LookupTest, EqualRange) {
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using T = hash_internal::GeneratedType<TypeParam>;
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std::vector<T> values;
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std::generate_n(std::back_inserter(values), 10,
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hash_internal::Generator<T>());
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TypeParam m;
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for (const auto& v : values) {
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auto r = m.equal_range(v);
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ASSERT_EQ(0, std::distance(r.first, r.second));
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}
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m.insert(values.begin(), values.end());
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for (const auto& v : values) {
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auto r = m.equal_range(v);
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ASSERT_EQ(1, std::distance(r.first, r.second));
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EXPECT_EQ(v, *r.first);
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}
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}
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REGISTER_TYPED_TEST_CASE_P(LookupTest, Count, Find, EqualRange);
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} // namespace container_internal
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} // namespace absl
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#endif // ABSL_CONTAINER_INTERNAL_UNORDERED_SET_LOOKUP_TEST_H_
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