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authorVincent Ambo <mail@tazj.in>2022-02-07T23·05+0300
committerclbot <clbot@tvl.fyi>2022-02-07T23·09+0000
commit5aa5d282eac56a21e74611c1cdbaa97bb5db2dca (patch)
tree8cc5dce8157a1470ff76719dd15d65f648a05522 /third_party/abseil_cpp/absl/container/flat_hash_map_test.cc
parenta25675804c4f429fab5ee5201fe25e89865dfd13 (diff)
chore(3p/abseil_cpp): unvendor abseil_cpp r/3786
we weren't actually using these sources anymore, okay?

Change-Id: If701571d9716de308d3512e1eb22c35db0877a66
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5248
Tested-by: BuildkiteCI
Reviewed-by: grfn <grfn@gws.fyi>
Autosubmit: tazjin <tazjin@tvl.su>
Diffstat (limited to 'third_party/abseil_cpp/absl/container/flat_hash_map_test.cc')
-rw-r--r--third_party/abseil_cpp/absl/container/flat_hash_map_test.cc288
1 files changed, 0 insertions, 288 deletions
diff --git a/third_party/abseil_cpp/absl/container/flat_hash_map_test.cc b/third_party/abseil_cpp/absl/container/flat_hash_map_test.cc
deleted file mode 100644
index 89ec60c916ed..000000000000
--- a/third_party/abseil_cpp/absl/container/flat_hash_map_test.cc
+++ /dev/null
@@ -1,288 +0,0 @@
-// 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
-//
-//      https://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.
-
-#include "absl/container/flat_hash_map.h"
-
-#include <memory>
-
-#include "absl/base/internal/raw_logging.h"
-#include "absl/container/internal/hash_generator_testing.h"
-#include "absl/container/internal/unordered_map_constructor_test.h"
-#include "absl/container/internal/unordered_map_lookup_test.h"
-#include "absl/container/internal/unordered_map_members_test.h"
-#include "absl/container/internal/unordered_map_modifiers_test.h"
-#include "absl/types/any.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace container_internal {
-namespace {
-using ::absl::container_internal::hash_internal::Enum;
-using ::absl::container_internal::hash_internal::EnumClass;
-using ::testing::_;
-using ::testing::IsEmpty;
-using ::testing::Pair;
-using ::testing::UnorderedElementsAre;
-
-// Check that absl::flat_hash_map works in a global constructor.
-struct BeforeMain {
-  BeforeMain() {
-    absl::flat_hash_map<int, int> x;
-    x.insert({1, 1});
-    ABSL_RAW_CHECK(x.find(0) == x.end(), "x should not contain 0");
-    auto it = x.find(1);
-    ABSL_RAW_CHECK(it != x.end(), "x should contain 1");
-    ABSL_RAW_CHECK(it->second, "1 should map to 1");
-  }
-};
-const BeforeMain before_main;
-
-template <class K, class V>
-using Map = flat_hash_map<K, V, StatefulTestingHash, StatefulTestingEqual,
-                          Alloc<std::pair<const K, V>>>;
-
-static_assert(!std::is_standard_layout<NonStandardLayout>(), "");
-
-using MapTypes =
-    ::testing::Types<Map<int, int>, Map<std::string, int>,
-                     Map<Enum, std::string>, Map<EnumClass, int>,
-                     Map<int, NonStandardLayout>, Map<NonStandardLayout, int>>;
-
-INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, ConstructorTest, MapTypes);
-INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, LookupTest, MapTypes);
-INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, MembersTest, MapTypes);
-INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, ModifiersTest, MapTypes);
-
-using UniquePtrMapTypes = ::testing::Types<Map<int, std::unique_ptr<int>>>;
-
-INSTANTIATE_TYPED_TEST_SUITE_P(FlatHashMap, UniquePtrModifiersTest,
-                               UniquePtrMapTypes);
-
-TEST(FlatHashMap, StandardLayout) {
-  struct Int {
-    explicit Int(size_t value) : value(value) {}
-    Int() : value(0) { ADD_FAILURE(); }
-    Int(const Int& other) : value(other.value) { ADD_FAILURE(); }
-    Int(Int&&) = default;
-    bool operator==(const Int& other) const { return value == other.value; }
-    size_t value;
-  };
-  static_assert(std::is_standard_layout<Int>(), "");
-
-  struct Hash {
-    size_t operator()(const Int& obj) const { return obj.value; }
-  };
-
-  // Verify that neither the key nor the value get default-constructed or
-  // copy-constructed.
-  {
-    flat_hash_map<Int, Int, Hash> m;
-    m.try_emplace(Int(1), Int(2));
-    m.try_emplace(Int(3), Int(4));
-    m.erase(Int(1));
-    m.rehash(2 * m.bucket_count());
-  }
-  {
-    flat_hash_map<Int, Int, Hash> m;
-    m.try_emplace(Int(1), Int(2));
-    m.try_emplace(Int(3), Int(4));
-    m.erase(Int(1));
-    m.clear();
-  }
-}
-
-// gcc becomes unhappy if this is inside the method, so pull it out here.
-struct balast {};
-
-TEST(FlatHashMap, IteratesMsan) {
-  // Because SwissTable randomizes on pointer addresses, we keep old tables
-  // around to ensure we don't reuse old memory.
-  std::vector<absl::flat_hash_map<int, balast>> garbage;
-  for (int i = 0; i < 100; ++i) {
-    absl::flat_hash_map<int, balast> t;
-    for (int j = 0; j < 100; ++j) {
-      t[j];
-      for (const auto& p : t) EXPECT_THAT(p, Pair(_, _));
-    }
-    garbage.push_back(std::move(t));
-  }
-}
-
-// Demonstration of the "Lazy Key" pattern.  This uses heterogeneous insert to
-// avoid creating expensive key elements when the item is already present in the
-// map.
-struct LazyInt {
-  explicit LazyInt(size_t value, int* tracker)
-      : value(value), tracker(tracker) {}
-
-  explicit operator size_t() const {
-    ++*tracker;
-    return value;
-  }
-
-  size_t value;
-  int* tracker;
-};
-
-struct Hash {
-  using is_transparent = void;
-  int* tracker;
-  size_t operator()(size_t obj) const {
-    ++*tracker;
-    return obj;
-  }
-  size_t operator()(const LazyInt& obj) const {
-    ++*tracker;
-    return obj.value;
-  }
-};
-
-struct Eq {
-  using is_transparent = void;
-  bool operator()(size_t lhs, size_t rhs) const {
-    return lhs == rhs;
-  }
-  bool operator()(size_t lhs, const LazyInt& rhs) const {
-    return lhs == rhs.value;
-  }
-};
-
-TEST(FlatHashMap, LazyKeyPattern) {
-  // hashes are only guaranteed in opt mode, we use assertions to track internal
-  // state that can cause extra calls to hash.
-  int conversions = 0;
-  int hashes = 0;
-  flat_hash_map<size_t, size_t, Hash, Eq> m(0, Hash{&hashes});
-  m.reserve(3);
-
-  m[LazyInt(1, &conversions)] = 1;
-  EXPECT_THAT(m, UnorderedElementsAre(Pair(1, 1)));
-  EXPECT_EQ(conversions, 1);
-#ifdef NDEBUG
-  EXPECT_EQ(hashes, 1);
-#endif
-
-  m[LazyInt(1, &conversions)] = 2;
-  EXPECT_THAT(m, UnorderedElementsAre(Pair(1, 2)));
-  EXPECT_EQ(conversions, 1);
-#ifdef NDEBUG
-  EXPECT_EQ(hashes, 2);
-#endif
-
-  m.try_emplace(LazyInt(2, &conversions), 3);
-  EXPECT_THAT(m, UnorderedElementsAre(Pair(1, 2), Pair(2, 3)));
-  EXPECT_EQ(conversions, 2);
-#ifdef NDEBUG
-  EXPECT_EQ(hashes, 3);
-#endif
-
-  m.try_emplace(LazyInt(2, &conversions), 4);
-  EXPECT_THAT(m, UnorderedElementsAre(Pair(1, 2), Pair(2, 3)));
-  EXPECT_EQ(conversions, 2);
-#ifdef NDEBUG
-  EXPECT_EQ(hashes, 4);
-#endif
-}
-
-TEST(FlatHashMap, BitfieldArgument) {
-  union {
-    int n : 1;
-  };
-  n = 0;
-  flat_hash_map<int, int> m;
-  m.erase(n);
-  m.count(n);
-  m.prefetch(n);
-  m.find(n);
-  m.contains(n);
-  m.equal_range(n);
-  m.insert_or_assign(n, n);
-  m.insert_or_assign(m.end(), n, n);
-  m.try_emplace(n);
-  m.try_emplace(m.end(), n);
-  m.at(n);
-  m[n];
-}
-
-TEST(FlatHashMap, MergeExtractInsert) {
-  // We can't test mutable keys, or non-copyable keys with flat_hash_map.
-  // Test that the nodes have the proper API.
-  absl::flat_hash_map<int, int> m = {{1, 7}, {2, 9}};
-  auto node = m.extract(1);
-  EXPECT_TRUE(node);
-  EXPECT_EQ(node.key(), 1);
-  EXPECT_EQ(node.mapped(), 7);
-  EXPECT_THAT(m, UnorderedElementsAre(Pair(2, 9)));
-
-  node.mapped() = 17;
-  m.insert(std::move(node));
-  EXPECT_THAT(m, UnorderedElementsAre(Pair(1, 17), Pair(2, 9)));
-}
-
-bool FirstIsEven(std::pair<const int, int> p) { return p.first % 2 == 0; }
-
-TEST(FlatHashMap, EraseIf) {
-  // Erase all elements.
-  {
-    flat_hash_map<int, int> s = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}};
-    erase_if(s, [](std::pair<const int, int>) { return true; });
-    EXPECT_THAT(s, IsEmpty());
-  }
-  // Erase no elements.
-  {
-    flat_hash_map<int, int> s = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}};
-    erase_if(s, [](std::pair<const int, int>) { return false; });
-    EXPECT_THAT(s, UnorderedElementsAre(Pair(1, 1), Pair(2, 2), Pair(3, 3),
-                                        Pair(4, 4), Pair(5, 5)));
-  }
-  // Erase specific elements.
-  {
-    flat_hash_map<int, int> s = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}};
-    erase_if(s,
-             [](std::pair<const int, int> kvp) { return kvp.first % 2 == 1; });
-    EXPECT_THAT(s, UnorderedElementsAre(Pair(2, 2), Pair(4, 4)));
-  }
-  // Predicate is function reference.
-  {
-    flat_hash_map<int, int> s = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}};
-    erase_if(s, FirstIsEven);
-    EXPECT_THAT(s, UnorderedElementsAre(Pair(1, 1), Pair(3, 3), Pair(5, 5)));
-  }
-  // Predicate is function pointer.
-  {
-    flat_hash_map<int, int> s = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}};
-    erase_if(s, &FirstIsEven);
-    EXPECT_THAT(s, UnorderedElementsAre(Pair(1, 1), Pair(3, 3), Pair(5, 5)));
-  }
-}
-
-// This test requires std::launder for mutable key access in node handles.
-#if defined(__cpp_lib_launder) && __cpp_lib_launder >= 201606
-TEST(FlatHashMap, NodeHandleMutableKeyAccess) {
-  flat_hash_map<std::string, std::string> map;
-
-  map["key1"] = "mapped";
-
-  auto nh = map.extract(map.begin());
-  nh.key().resize(3);
-  map.insert(std::move(nh));
-
-  EXPECT_THAT(map, testing::ElementsAre(Pair("key", "mapped")));
-}
-#endif
-
-}  // namespace
-}  // namespace container_internal
-ABSL_NAMESPACE_END
-}  // namespace absl