| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #include "epoll.h" |
| |
| #include <sys/unistd.h> |
| |
| #include <unordered_set> |
| |
| #include <android-base/file.h> |
| #include <gtest/gtest.h> |
| |
| namespace android { |
| namespace init { |
| |
| std::unordered_set<void*> sValidObjects; |
| |
| class CatchDtor final { |
| public: |
| CatchDtor() { sValidObjects.emplace(this); } |
| CatchDtor(const CatchDtor&) { sValidObjects.emplace(this); } |
| ~CatchDtor() { |
| auto iter = sValidObjects.find(this); |
| if (iter != sValidObjects.end()) { |
| sValidObjects.erase(iter); |
| } |
| } |
| }; |
| |
| TEST(epoll, UnregisterHandler) { |
| Epoll epoll; |
| ASSERT_RESULT_OK(epoll.Open()); |
| |
| int fds[2]; |
| ASSERT_EQ(pipe(fds), 0); |
| |
| CatchDtor catch_dtor; |
| bool handler_invoked; |
| auto handler = [&, catch_dtor]() -> void { |
| auto result = epoll.UnregisterHandler(fds[0]); |
| ASSERT_EQ(result.ok(), !handler_invoked); |
| handler_invoked = true; |
| ASSERT_NE(sValidObjects.find((void*)&catch_dtor), sValidObjects.end()); |
| }; |
| |
| epoll.RegisterHandler(fds[0], std::move(handler)); |
| |
| uint8_t byte = 0xee; |
| ASSERT_TRUE(android::base::WriteFully(fds[1], &byte, sizeof(byte))); |
| |
| auto results = epoll.Wait({}); |
| ASSERT_RESULT_OK(results); |
| ASSERT_EQ(results->size(), size_t(1)); |
| |
| for (const auto& function : *results) { |
| (*function)(); |
| (*function)(); |
| } |
| ASSERT_TRUE(handler_invoked); |
| } |
| |
| } // namespace init |
| } // namespace android |