115 lines
		
	
	
	
		
			3.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
	
		
			3.9 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_MAP_LOOKUP_TEST_H_
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#define ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_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 UnordMap>
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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, At) {
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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(values.begin(), values.end());
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  for (const auto& p : values) {
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    const auto& val = m.at(p.first);
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    EXPECT_EQ(p.second, val) << ::testing::PrintToString(p.first);
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  }
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}
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TYPED_TEST_P(LookupTest, OperatorBracket) {
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  using T = hash_internal::GeneratedType<TypeParam>;
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  using V = typename TypeParam::mapped_type;
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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& p : values) {
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    auto& val = m[p.first];
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    EXPECT_EQ(V(), val) << ::testing::PrintToString(p.first);
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    val = p.second;
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  }
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  for (const auto& p : values)
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    EXPECT_EQ(p.second, m[p.first]) << ::testing::PrintToString(p.first);
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}
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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& p : values)
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    EXPECT_EQ(0, m.count(p.first)) << ::testing::PrintToString(p.first);
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  m.insert(values.begin(), values.end());
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  for (const auto& p : values)
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    EXPECT_EQ(1, m.count(p.first)) << ::testing::PrintToString(p.first);
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}
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TYPED_TEST_P(LookupTest, Find) {
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  using std::get;
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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& p : values)
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    EXPECT_TRUE(m.end() == m.find(p.first))
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        << ::testing::PrintToString(p.first);
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  m.insert(values.begin(), values.end());
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  for (const auto& p : values) {
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    auto it = m.find(p.first);
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    EXPECT_TRUE(m.end() != it) << ::testing::PrintToString(p.first);
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    EXPECT_EQ(p.second, get<1>(*it)) << ::testing::PrintToString(p.first);
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  }
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}
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TYPED_TEST_P(LookupTest, EqualRange) {
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  using std::get;
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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& p : values) {
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    auto r = m.equal_range(p.first);
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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& p : values) {
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    auto r = m.equal_range(p.first);
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    ASSERT_EQ(1, std::distance(r.first, r.second));
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    EXPECT_EQ(p.second, get<1>(*r.first)) << ::testing::PrintToString(p.first);
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  }
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}
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REGISTER_TYPED_TEST_CASE_P(LookupTest, At, OperatorBracket, Count, Find,
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                           EqualRange);
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}  // namespace container_internal
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}  // namespace absl
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#endif  // ABSL_CONTAINER_INTERNAL_UNORDERED_MAP_LOOKUP_TEST_H_
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