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authorGravatar Abseil Team <absl-team@google.com>2018-09-27 12:24:54 -0700
committerGravatar Derek Mauro <dmauro@google.com>2018-09-27 15:28:12 -0400
commit48cd2c3f351ff188bc85684b84a91b6e6d17d896 (patch)
tree6f92b0cbb0f8282b7df1cd567cb66406fbbb6f80 /absl/container/internal/unordered_set_lookup_test.h
parente291c279e458761e77a69b09b129d3d1e81f1e80 (diff)
Export of internal Abseil changes.
-- 4eacae3ff1b14b1d309e8092185bc10e8a6203cf by Derek Mauro <dmauro@google.com>: Release SwissTable - a fast, efficient, cache-friendly hash table. https://www.youtube.com/watch?v=ncHmEUmJZf4 PiperOrigin-RevId: 214816527 -- df8c3dfab3cfb2f4365909a84d0683b193cfbb11 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 214785288 -- 1eabd5266bbcebc33eecc91e5309b751856a75c8 by Abseil Team <absl-team@google.com>: Internal change PiperOrigin-RevId: 214722931 -- 2ebbfac950f83146b46253038e7dd7dcde9f2951 by Derek Mauro <dmauro@google.com>: Internal change PiperOrigin-RevId: 214701684 GitOrigin-RevId: 4eacae3ff1b14b1d309e8092185bc10e8a6203cf Change-Id: I9ba64e395b22ad7863213d157b8019b082adc19d
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+// 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
+//
+// http://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 ABSL_CONTAINER_INTERNAL_UNORDERED_SET_LOOKUP_TEST_H_
+#define ABSL_CONTAINER_INTERNAL_UNORDERED_SET_LOOKUP_TEST_H_
+
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+#include "absl/container/internal/hash_generator_testing.h"
+#include "absl/container/internal/hash_policy_testing.h"
+
+namespace absl {
+namespace container_internal {
+
+template <class UnordSet>
+class LookupTest : public ::testing::Test {};
+
+TYPED_TEST_CASE_P(LookupTest);
+
+TYPED_TEST_P(LookupTest, Count) {
+ using T = hash_internal::GeneratedType<TypeParam>;
+ std::vector<T> values;
+ std::generate_n(std::back_inserter(values), 10,
+ hash_internal::Generator<T>());
+ TypeParam m;
+ for (const auto& v : values)
+ EXPECT_EQ(0, m.count(v)) << ::testing::PrintToString(v);
+ m.insert(values.begin(), values.end());
+ for (const auto& v : values)
+ EXPECT_EQ(1, m.count(v)) << ::testing::PrintToString(v);
+}
+
+TYPED_TEST_P(LookupTest, Find) {
+ using T = hash_internal::GeneratedType<TypeParam>;
+ std::vector<T> values;
+ std::generate_n(std::back_inserter(values), 10,
+ hash_internal::Generator<T>());
+ TypeParam m;
+ for (const auto& v : values)
+ EXPECT_TRUE(m.end() == m.find(v)) << ::testing::PrintToString(v);
+ m.insert(values.begin(), values.end());
+ for (const auto& v : values) {
+ typename TypeParam::iterator it = m.find(v);
+ static_assert(std::is_same<const typename TypeParam::value_type&,
+ decltype(*it)>::value,
+ "");
+ static_assert(std::is_same<const typename TypeParam::value_type*,
+ decltype(it.operator->())>::value,
+ "");
+ EXPECT_TRUE(m.end() != it) << ::testing::PrintToString(v);
+ EXPECT_EQ(v, *it) << ::testing::PrintToString(v);
+ }
+}
+
+TYPED_TEST_P(LookupTest, EqualRange) {
+ using T = hash_internal::GeneratedType<TypeParam>;
+ std::vector<T> values;
+ std::generate_n(std::back_inserter(values), 10,
+ hash_internal::Generator<T>());
+ TypeParam m;
+ for (const auto& v : values) {
+ auto r = m.equal_range(v);
+ ASSERT_EQ(0, std::distance(r.first, r.second));
+ }
+ m.insert(values.begin(), values.end());
+ for (const auto& v : values) {
+ auto r = m.equal_range(v);
+ ASSERT_EQ(1, std::distance(r.first, r.second));
+ EXPECT_EQ(v, *r.first);
+ }
+}
+
+REGISTER_TYPED_TEST_CASE_P(LookupTest, Count, Find, EqualRange);
+
+} // namespace container_internal
+} // namespace absl
+#endif // ABSL_CONTAINER_INTERNAL_UNORDERED_SET_LOOKUP_TEST_H_