diff options
author | Vincent Ambo <mail@tazj.in> | 2022-02-07T23·05+0300 |
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committer | clbot <clbot@tvl.fyi> | 2022-02-07T23·09+0000 |
commit | 5aa5d282eac56a21e74611c1cdbaa97bb5db2dca (patch) | |
tree | 8cc5dce8157a1470ff76719dd15d65f648a05522 /third_party/abseil_cpp/absl/container/internal/compressed_tuple_test.cc | |
parent | a25675804c4f429fab5ee5201fe25e89865dfd13 (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/internal/compressed_tuple_test.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/container/internal/compressed_tuple_test.cc | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/third_party/abseil_cpp/absl/container/internal/compressed_tuple_test.cc b/third_party/abseil_cpp/absl/container/internal/compressed_tuple_test.cc deleted file mode 100644 index 62a7483ee311..000000000000 --- a/third_party/abseil_cpp/absl/container/internal/compressed_tuple_test.cc +++ /dev/null @@ -1,409 +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/internal/compressed_tuple.h" - -#include <memory> -#include <string> - -#include "gmock/gmock.h" -#include "gtest/gtest.h" -#include "absl/container/internal/test_instance_tracker.h" -#include "absl/memory/memory.h" -#include "absl/types/any.h" -#include "absl/types/optional.h" -#include "absl/utility/utility.h" - -// These are declared at global scope purely so that error messages -// are smaller and easier to understand. -enum class CallType { kConstRef, kConstMove }; - -template <int> -struct Empty { - constexpr CallType value() const& { return CallType::kConstRef; } - constexpr CallType value() const&& { return CallType::kConstMove; } -}; - -template <typename T> -struct NotEmpty { - T value; -}; - -template <typename T, typename U> -struct TwoValues { - T value1; - U value2; -}; - - -namespace absl { -ABSL_NAMESPACE_BEGIN -namespace container_internal { -namespace { - -using absl::test_internal::CopyableMovableInstance; -using absl::test_internal::InstanceTracker; - -TEST(CompressedTupleTest, Sizeof) { - EXPECT_EQ(sizeof(int), sizeof(CompressedTuple<int>)); - EXPECT_EQ(sizeof(int), sizeof(CompressedTuple<int, Empty<0>>)); - EXPECT_EQ(sizeof(int), sizeof(CompressedTuple<int, Empty<0>, Empty<1>>)); - EXPECT_EQ(sizeof(int), - sizeof(CompressedTuple<int, Empty<0>, Empty<1>, Empty<2>>)); - - EXPECT_EQ(sizeof(TwoValues<int, double>), - sizeof(CompressedTuple<int, NotEmpty<double>>)); - EXPECT_EQ(sizeof(TwoValues<int, double>), - sizeof(CompressedTuple<int, Empty<0>, NotEmpty<double>>)); - EXPECT_EQ(sizeof(TwoValues<int, double>), - sizeof(CompressedTuple<int, Empty<0>, NotEmpty<double>, Empty<1>>)); -} - -TEST(CompressedTupleTest, OneMoveOnRValueConstructionTemp) { - InstanceTracker tracker; - CompressedTuple<CopyableMovableInstance> x1(CopyableMovableInstance(1)); - EXPECT_EQ(tracker.instances(), 1); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_LE(tracker.moves(), 1); - EXPECT_EQ(x1.get<0>().value(), 1); -} - -TEST(CompressedTupleTest, OneMoveOnRValueConstructionMove) { - InstanceTracker tracker; - - CopyableMovableInstance i1(1); - CompressedTuple<CopyableMovableInstance> x1(std::move(i1)); - EXPECT_EQ(tracker.instances(), 2); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_LE(tracker.moves(), 1); - EXPECT_EQ(x1.get<0>().value(), 1); -} - -TEST(CompressedTupleTest, OneMoveOnRValueConstructionMixedTypes) { - InstanceTracker tracker; - CopyableMovableInstance i1(1); - CopyableMovableInstance i2(2); - Empty<0> empty; - CompressedTuple<CopyableMovableInstance, CopyableMovableInstance&, Empty<0>> - x1(std::move(i1), i2, empty); - EXPECT_EQ(x1.get<0>().value(), 1); - EXPECT_EQ(x1.get<1>().value(), 2); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_EQ(tracker.moves(), 1); -} - -struct IncompleteType; -CompressedTuple<CopyableMovableInstance, IncompleteType&, Empty<0>> -MakeWithIncomplete(CopyableMovableInstance i1, - IncompleteType& t, // NOLINT - Empty<0> empty) { - return CompressedTuple<CopyableMovableInstance, IncompleteType&, Empty<0>>{ - std::move(i1), t, empty}; -} - -struct IncompleteType {}; -TEST(CompressedTupleTest, OneMoveOnRValueConstructionWithIncompleteType) { - InstanceTracker tracker; - CopyableMovableInstance i1(1); - Empty<0> empty; - struct DerivedType : IncompleteType {int value = 0;}; - DerivedType fd; - fd.value = 7; - - CompressedTuple<CopyableMovableInstance, IncompleteType&, Empty<0>> x1 = - MakeWithIncomplete(std::move(i1), fd, empty); - - EXPECT_EQ(x1.get<0>().value(), 1); - EXPECT_EQ(static_cast<DerivedType&>(x1.get<1>()).value, 7); - - EXPECT_EQ(tracker.copies(), 0); - EXPECT_EQ(tracker.moves(), 2); -} - -TEST(CompressedTupleTest, - OneMoveOnRValueConstructionMixedTypes_BraceInitPoisonPillExpected) { - InstanceTracker tracker; - CopyableMovableInstance i1(1); - CopyableMovableInstance i2(2); - CompressedTuple<CopyableMovableInstance, CopyableMovableInstance&, Empty<0>> - x1(std::move(i1), i2, {}); // NOLINT - EXPECT_EQ(x1.get<0>().value(), 1); - EXPECT_EQ(x1.get<1>().value(), 2); - EXPECT_EQ(tracker.instances(), 3); - // We are forced into the `const Ts&...` constructor (invoking copies) - // because we need it to deduce the type of `{}`. - // std::tuple also has this behavior. - // Note, this test is proof that this is expected behavior, but it is not - // _desired_ behavior. - EXPECT_EQ(tracker.copies(), 1); - EXPECT_EQ(tracker.moves(), 0); -} - -TEST(CompressedTupleTest, OneCopyOnLValueConstruction) { - InstanceTracker tracker; - CopyableMovableInstance i1(1); - - CompressedTuple<CopyableMovableInstance> x1(i1); - EXPECT_EQ(tracker.copies(), 1); - EXPECT_EQ(tracker.moves(), 0); - - tracker.ResetCopiesMovesSwaps(); - - CopyableMovableInstance i2(2); - const CopyableMovableInstance& i2_ref = i2; - CompressedTuple<CopyableMovableInstance> x2(i2_ref); - EXPECT_EQ(tracker.copies(), 1); - EXPECT_EQ(tracker.moves(), 0); -} - -TEST(CompressedTupleTest, OneMoveOnRValueAccess) { - InstanceTracker tracker; - CopyableMovableInstance i1(1); - CompressedTuple<CopyableMovableInstance> x(std::move(i1)); - tracker.ResetCopiesMovesSwaps(); - - CopyableMovableInstance i2 = std::move(x).get<0>(); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_EQ(tracker.moves(), 1); -} - -TEST(CompressedTupleTest, OneCopyOnLValueAccess) { - InstanceTracker tracker; - - CompressedTuple<CopyableMovableInstance> x(CopyableMovableInstance(0)); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_EQ(tracker.moves(), 1); - - CopyableMovableInstance t = x.get<0>(); - EXPECT_EQ(tracker.copies(), 1); - EXPECT_EQ(tracker.moves(), 1); -} - -TEST(CompressedTupleTest, ZeroCopyOnRefAccess) { - InstanceTracker tracker; - - CompressedTuple<CopyableMovableInstance> x(CopyableMovableInstance(0)); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_EQ(tracker.moves(), 1); - - CopyableMovableInstance& t1 = x.get<0>(); - const CopyableMovableInstance& t2 = x.get<0>(); - EXPECT_EQ(tracker.copies(), 0); - EXPECT_EQ(tracker.moves(), 1); - EXPECT_EQ(t1.value(), 0); - EXPECT_EQ(t2.value(), 0); -} - -TEST(CompressedTupleTest, Access) { - struct S { - std::string x; - }; - CompressedTuple<int, Empty<0>, S> x(7, {}, S{"ABC"}); - EXPECT_EQ(sizeof(x), sizeof(TwoValues<int, S>)); - EXPECT_EQ(7, x.get<0>()); - EXPECT_EQ("ABC", x.get<2>().x); -} - -TEST(CompressedTupleTest, NonClasses) { - CompressedTuple<int, const char*> x(7, "ABC"); - EXPECT_EQ(7, x.get<0>()); - EXPECT_STREQ("ABC", x.get<1>()); -} - -TEST(CompressedTupleTest, MixClassAndNonClass) { - CompressedTuple<int, const char*, Empty<0>, NotEmpty<double>> x(7, "ABC", {}, - {1.25}); - struct Mock { - int v; - const char* p; - double d; - }; - EXPECT_EQ(sizeof(x), sizeof(Mock)); - EXPECT_EQ(7, x.get<0>()); - EXPECT_STREQ("ABC", x.get<1>()); - EXPECT_EQ(1.25, x.get<3>().value); -} - -TEST(CompressedTupleTest, Nested) { - CompressedTuple<int, CompressedTuple<int>, - CompressedTuple<int, CompressedTuple<int>>> - x(1, CompressedTuple<int>(2), - CompressedTuple<int, CompressedTuple<int>>(3, CompressedTuple<int>(4))); - EXPECT_EQ(1, x.get<0>()); - EXPECT_EQ(2, x.get<1>().get<0>()); - EXPECT_EQ(3, x.get<2>().get<0>()); - EXPECT_EQ(4, x.get<2>().get<1>().get<0>()); - - CompressedTuple<Empty<0>, Empty<0>, - CompressedTuple<Empty<0>, CompressedTuple<Empty<0>>>> - y; - std::set<Empty<0>*> empties{&y.get<0>(), &y.get<1>(), &y.get<2>().get<0>(), - &y.get<2>().get<1>().get<0>()}; -#ifdef _MSC_VER - // MSVC has a bug where many instances of the same base class are layed out in - // the same address when using __declspec(empty_bases). - // This will be fixed in a future version of MSVC. - int expected = 1; -#else - int expected = 4; -#endif - EXPECT_EQ(expected, sizeof(y)); - EXPECT_EQ(expected, empties.size()); - EXPECT_EQ(sizeof(y), sizeof(Empty<0>) * empties.size()); - - EXPECT_EQ(4 * sizeof(char), - sizeof(CompressedTuple<CompressedTuple<char, char>, - CompressedTuple<char, char>>)); - EXPECT_TRUE((std::is_empty<CompressedTuple<Empty<0>, Empty<1>>>::value)); - - // Make sure everything still works when things are nested. - struct CT_Empty : CompressedTuple<Empty<0>> {}; - CompressedTuple<Empty<0>, CT_Empty> nested_empty; - auto contained = nested_empty.get<0>(); - auto nested = nested_empty.get<1>().get<0>(); - EXPECT_TRUE((std::is_same<decltype(contained), decltype(nested)>::value)); -} - -TEST(CompressedTupleTest, Reference) { - int i = 7; - std::string s = "Very long string that goes in the heap"; - CompressedTuple<int, int&, std::string, std::string&> x(i, i, s, s); - - // Sanity check. We should have not moved from `s` - EXPECT_EQ(s, "Very long string that goes in the heap"); - - EXPECT_EQ(x.get<0>(), x.get<1>()); - EXPECT_NE(&x.get<0>(), &x.get<1>()); - EXPECT_EQ(&x.get<1>(), &i); - - EXPECT_EQ(x.get<2>(), x.get<3>()); - EXPECT_NE(&x.get<2>(), &x.get<3>()); - EXPECT_EQ(&x.get<3>(), &s); -} - -TEST(CompressedTupleTest, NoElements) { - CompressedTuple<> x; - static_cast<void>(x); // Silence -Wunused-variable. - EXPECT_TRUE(std::is_empty<CompressedTuple<>>::value); -} - -TEST(CompressedTupleTest, MoveOnlyElements) { - CompressedTuple<std::unique_ptr<std::string>> str_tup( - absl::make_unique<std::string>("str")); - - CompressedTuple<CompressedTuple<std::unique_ptr<std::string>>, - std::unique_ptr<int>> - x(std::move(str_tup), absl::make_unique<int>(5)); - - EXPECT_EQ(*x.get<0>().get<0>(), "str"); - EXPECT_EQ(*x.get<1>(), 5); - - std::unique_ptr<std::string> x0 = std::move(x.get<0>()).get<0>(); - std::unique_ptr<int> x1 = std::move(x).get<1>(); - - EXPECT_EQ(*x0, "str"); - EXPECT_EQ(*x1, 5); -} - -TEST(CompressedTupleTest, MoveConstructionMoveOnlyElements) { - CompressedTuple<std::unique_ptr<std::string>> base( - absl::make_unique<std::string>("str")); - EXPECT_EQ(*base.get<0>(), "str"); - - CompressedTuple<std::unique_ptr<std::string>> copy(std::move(base)); - EXPECT_EQ(*copy.get<0>(), "str"); -} - -TEST(CompressedTupleTest, AnyElements) { - any a(std::string("str")); - CompressedTuple<any, any&> x(any(5), a); - EXPECT_EQ(absl::any_cast<int>(x.get<0>()), 5); - EXPECT_EQ(absl::any_cast<std::string>(x.get<1>()), "str"); - - a = 0.5f; - EXPECT_EQ(absl::any_cast<float>(x.get<1>()), 0.5); -} - -TEST(CompressedTupleTest, Constexpr) { - struct NonTrivialStruct { - constexpr NonTrivialStruct() = default; - constexpr int value() const { return v; } - int v = 5; - }; - struct TrivialStruct { - TrivialStruct() = default; - constexpr int value() const { return v; } - int v; - }; - constexpr CompressedTuple<int, double, CompressedTuple<int>, Empty<0>> x( - 7, 1.25, CompressedTuple<int>(5), {}); - constexpr int x0 = x.get<0>(); - constexpr double x1 = x.get<1>(); - constexpr int x2 = x.get<2>().get<0>(); - constexpr CallType x3 = x.get<3>().value(); - - EXPECT_EQ(x0, 7); - EXPECT_EQ(x1, 1.25); - EXPECT_EQ(x2, 5); - EXPECT_EQ(x3, CallType::kConstRef); - -#if !defined(__GNUC__) || defined(__clang__) || __GNUC__ > 4 - constexpr CompressedTuple<Empty<0>, TrivialStruct, int> trivial = {}; - constexpr CallType trivial0 = trivial.get<0>().value(); - constexpr int trivial1 = trivial.get<1>().value(); - constexpr int trivial2 = trivial.get<2>(); - - EXPECT_EQ(trivial0, CallType::kConstRef); - EXPECT_EQ(trivial1, 0); - EXPECT_EQ(trivial2, 0); -#endif - - constexpr CompressedTuple<Empty<0>, NonTrivialStruct, absl::optional<int>> - non_trivial = {}; - constexpr CallType non_trivial0 = non_trivial.get<0>().value(); - constexpr int non_trivial1 = non_trivial.get<1>().value(); - constexpr absl::optional<int> non_trivial2 = non_trivial.get<2>(); - - EXPECT_EQ(non_trivial0, CallType::kConstRef); - EXPECT_EQ(non_trivial1, 5); - EXPECT_EQ(non_trivial2, absl::nullopt); - - static constexpr char data[] = "DEF"; - constexpr CompressedTuple<const char*> z(data); - constexpr const char* z1 = z.get<0>(); - EXPECT_EQ(std::string(z1), std::string(data)); - -#if defined(__clang__) - // An apparent bug in earlier versions of gcc claims these are ambiguous. - constexpr int x2m = absl::move(x.get<2>()).get<0>(); - constexpr CallType x3m = absl::move(x).get<3>().value(); - EXPECT_EQ(x2m, 5); - EXPECT_EQ(x3m, CallType::kConstMove); -#endif -} - -#if defined(__clang__) || defined(__GNUC__) -TEST(CompressedTupleTest, EmptyFinalClass) { - struct S final { - int f() const { return 5; } - }; - CompressedTuple<S> x; - EXPECT_EQ(x.get<0>().f(), 5); -} -#endif - -} // namespace -} // namespace container_internal -ABSL_NAMESPACE_END -} // namespace absl |