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-rw-r--r--absl/cleanup/cleanup_test.cc311
1 files changed, 0 insertions, 311 deletions
diff --git a/absl/cleanup/cleanup_test.cc b/absl/cleanup/cleanup_test.cc
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--- a/absl/cleanup/cleanup_test.cc
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@@ -1,311 +0,0 @@
-// Copyright 2021 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/cleanup/cleanup.h"
-
-#include <functional>
-#include <type_traits>
-#include <utility>
-
-#include "gtest/gtest.h"
-#include "absl/base/config.h"
-#include "absl/utility/utility.h"
-
-namespace {
-
-using Tag = absl::cleanup_internal::Tag;
-
-template <typename Type1, typename Type2>
-constexpr bool IsSame() {
- return (std::is_same<Type1, Type2>::value);
-}
-
-struct IdentityFactory {
- template <typename Callback>
- static Callback AsCallback(Callback callback) {
- return Callback(std::move(callback));
- }
-};
-
-// `FunctorClass` is a type used for testing `absl::Cleanup`. It is intended to
-// represent users that make their own move-only callback types outside of
-// `std::function` and lambda literals.
-class FunctorClass {
- using Callback = std::function<void()>;
-
- public:
- explicit FunctorClass(Callback callback) : callback_(std::move(callback)) {}
-
- FunctorClass(FunctorClass&& other)
- : callback_(absl::exchange(other.callback_, Callback())) {}
-
- FunctorClass(const FunctorClass&) = delete;
-
- FunctorClass& operator=(const FunctorClass&) = delete;
-
- FunctorClass& operator=(FunctorClass&&) = delete;
-
- void operator()() const& = delete;
-
- void operator()() && {
- ASSERT_TRUE(callback_);
- callback_();
- callback_ = nullptr;
- }
-
- private:
- Callback callback_;
-};
-
-struct FunctorClassFactory {
- template <typename Callback>
- static FunctorClass AsCallback(Callback callback) {
- return FunctorClass(std::move(callback));
- }
-};
-
-struct StdFunctionFactory {
- template <typename Callback>
- static std::function<void()> AsCallback(Callback callback) {
- return std::function<void()>(std::move(callback));
- }
-};
-
-using CleanupTestParams =
- ::testing::Types<IdentityFactory, FunctorClassFactory, StdFunctionFactory>;
-template <typename>
-struct CleanupTest : public ::testing::Test {};
-TYPED_TEST_SUITE(CleanupTest, CleanupTestParams);
-
-bool fn_ptr_called = false;
-void FnPtrFunction() { fn_ptr_called = true; }
-
-TYPED_TEST(CleanupTest, FactoryProducesCorrectType) {
- {
- auto callback = TypeParam::AsCallback([] {});
- auto cleanup = absl::MakeCleanup(std::move(callback));
-
- static_assert(
- IsSame<absl::Cleanup<Tag, decltype(callback)>, decltype(cleanup)>(),
- "");
- }
-
- {
- auto cleanup = absl::MakeCleanup(&FnPtrFunction);
-
- static_assert(IsSame<absl::Cleanup<Tag, void (*)()>, decltype(cleanup)>(),
- "");
- }
-
- {
- auto cleanup = absl::MakeCleanup(FnPtrFunction);
-
- static_assert(IsSame<absl::Cleanup<Tag, void (*)()>, decltype(cleanup)>(),
- "");
- }
-}
-
-#if defined(ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION)
-TYPED_TEST(CleanupTest, CTADProducesCorrectType) {
- {
- auto callback = TypeParam::AsCallback([] {});
- absl::Cleanup cleanup = std::move(callback);
-
- static_assert(
- IsSame<absl::Cleanup<Tag, decltype(callback)>, decltype(cleanup)>(),
- "");
- }
-
- {
- absl::Cleanup cleanup = &FnPtrFunction;
-
- static_assert(IsSame<absl::Cleanup<Tag, void (*)()>, decltype(cleanup)>(),
- "");
- }
-
- {
- absl::Cleanup cleanup = FnPtrFunction;
-
- static_assert(IsSame<absl::Cleanup<Tag, void (*)()>, decltype(cleanup)>(),
- "");
- }
-}
-
-TYPED_TEST(CleanupTest, FactoryAndCTADProduceSameType) {
- {
- auto callback = IdentityFactory::AsCallback([] {});
- auto factory_cleanup = absl::MakeCleanup(callback);
- absl::Cleanup deduction_cleanup = callback;
-
- static_assert(
- IsSame<decltype(factory_cleanup), decltype(deduction_cleanup)>(), "");
- }
-
- {
- auto factory_cleanup =
- absl::MakeCleanup(FunctorClassFactory::AsCallback([] {}));
- absl::Cleanup deduction_cleanup = FunctorClassFactory::AsCallback([] {});
-
- static_assert(
- IsSame<decltype(factory_cleanup), decltype(deduction_cleanup)>(), "");
- }
-
- {
- auto factory_cleanup =
- absl::MakeCleanup(StdFunctionFactory::AsCallback([] {}));
- absl::Cleanup deduction_cleanup = StdFunctionFactory::AsCallback([] {});
-
- static_assert(
- IsSame<decltype(factory_cleanup), decltype(deduction_cleanup)>(), "");
- }
-
- {
- auto factory_cleanup = absl::MakeCleanup(&FnPtrFunction);
- absl::Cleanup deduction_cleanup = &FnPtrFunction;
-
- static_assert(
- IsSame<decltype(factory_cleanup), decltype(deduction_cleanup)>(), "");
- }
-
- {
- auto factory_cleanup = absl::MakeCleanup(FnPtrFunction);
- absl::Cleanup deduction_cleanup = FnPtrFunction;
-
- static_assert(
- IsSame<decltype(factory_cleanup), decltype(deduction_cleanup)>(), "");
- }
-}
-#endif // defined(ABSL_HAVE_CLASS_TEMPLATE_ARGUMENT_DEDUCTION)
-
-TYPED_TEST(CleanupTest, BasicUsage) {
- bool called = false;
-
- {
- auto cleanup =
- absl::MakeCleanup(TypeParam::AsCallback([&called] { called = true; }));
- EXPECT_FALSE(called); // Constructor shouldn't invoke the callback
- }
-
- EXPECT_TRUE(called); // Destructor should invoke the callback
-}
-
-TYPED_TEST(CleanupTest, BasicUsageWithFunctionPointer) {
- fn_ptr_called = false;
-
- {
- auto cleanup = absl::MakeCleanup(TypeParam::AsCallback(&FnPtrFunction));
- EXPECT_FALSE(fn_ptr_called); // Constructor shouldn't invoke the callback
- }
-
- EXPECT_TRUE(fn_ptr_called); // Destructor should invoke the callback
-}
-
-TYPED_TEST(CleanupTest, Cancel) {
- bool called = false;
-
- {
- auto cleanup =
- absl::MakeCleanup(TypeParam::AsCallback([&called] { called = true; }));
- EXPECT_FALSE(called); // Constructor shouldn't invoke the callback
-
- std::move(cleanup).Cancel();
- EXPECT_FALSE(called); // Cancel shouldn't invoke the callback
- }
-
- EXPECT_FALSE(called); // Destructor shouldn't invoke the callback
-}
-
-TYPED_TEST(CleanupTest, Invoke) {
- bool called = false;
-
- {
- auto cleanup =
- absl::MakeCleanup(TypeParam::AsCallback([&called] { called = true; }));
- EXPECT_FALSE(called); // Constructor shouldn't invoke the callback
-
- std::move(cleanup).Invoke();
- EXPECT_TRUE(called); // Invoke should invoke the callback
-
- called = false; // Reset tracker before destructor runs
- }
-
- EXPECT_FALSE(called); // Destructor shouldn't invoke the callback
-}
-
-TYPED_TEST(CleanupTest, Move) {
- bool called = false;
-
- {
- auto moved_from_cleanup =
- absl::MakeCleanup(TypeParam::AsCallback([&called] { called = true; }));
- EXPECT_FALSE(called); // Constructor shouldn't invoke the callback
-
- {
- auto moved_to_cleanup = std::move(moved_from_cleanup);
- EXPECT_FALSE(called); // Move shouldn't invoke the callback
- }
-
- EXPECT_TRUE(called); // Destructor should invoke the callback
-
- called = false; // Reset tracker before destructor runs
- }
-
- EXPECT_FALSE(called); // Destructor shouldn't invoke the callback
-}
-
-int DestructionCount = 0;
-
-struct DestructionCounter {
- void operator()() {}
-
- ~DestructionCounter() { ++DestructionCount; }
-};
-
-TYPED_TEST(CleanupTest, DestructorDestroys) {
- {
- auto cleanup =
- absl::MakeCleanup(TypeParam::AsCallback(DestructionCounter()));
- DestructionCount = 0;
- }
-
- EXPECT_EQ(DestructionCount, 1); // Engaged cleanup destroys
-}
-
-TYPED_TEST(CleanupTest, CancelDestroys) {
- {
- auto cleanup =
- absl::MakeCleanup(TypeParam::AsCallback(DestructionCounter()));
- DestructionCount = 0;
-
- std::move(cleanup).Cancel();
- EXPECT_EQ(DestructionCount, 1); // Cancel destroys
- }
-
- EXPECT_EQ(DestructionCount, 1); // Canceled cleanup does not double destroy
-}
-
-TYPED_TEST(CleanupTest, InvokeDestroys) {
- {
- auto cleanup =
- absl::MakeCleanup(TypeParam::AsCallback(DestructionCounter()));
- DestructionCount = 0;
-
- std::move(cleanup).Invoke();
- EXPECT_EQ(DestructionCount, 1); // Invoke destroys
- }
-
- EXPECT_EQ(DestructionCount, 1); // Invoked cleanup does not double destroy
-}
-
-} // namespace
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