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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include <gtest/gtest.h>
     18 
     19 #include <thread>
     20 
     21 #include "socket.h"
     22 #include "sysdeps.h"
     23 
     24 class FdeventTest : public ::testing::Test {
     25   protected:
     26     int dummy = -1;
     27 
     28     static void SetUpTestCase() {
     29 #if !defined(_WIN32)
     30         ASSERT_NE(SIG_ERR, signal(SIGPIPE, SIG_IGN));
     31 #endif
     32     }
     33 
     34     void SetUp() override {
     35         fdevent_reset();
     36         ASSERT_EQ(0u, fdevent_installed_count());
     37     }
     38 
     39     // Register a dummy socket used to wake up the fdevent loop to tell it to die.
     40     void PrepareThread() {
     41         int dummy_fds[2];
     42         if (adb_socketpair(dummy_fds) != 0) {
     43             FAIL() << "failed to create socketpair: " << strerror(errno);
     44         }
     45 
     46         asocket* dummy_socket = create_local_socket(dummy_fds[1]);
     47         if (!dummy_socket) {
     48             FAIL() << "failed to create local socket: " << strerror(errno);
     49         }
     50         dummy_socket->ready(dummy_socket);
     51         dummy = dummy_fds[0];
     52     }
     53 
     54     size_t GetAdditionalLocalSocketCount() {
     55         // dummy socket installed in PrepareThread() + fdevent_run_on_main_thread socket
     56         return 2;
     57     }
     58 
     59     void TerminateThread(std::thread& thread) {
     60         fdevent_terminate_loop();
     61         ASSERT_TRUE(WriteFdExactly(dummy, "", 1));
     62         thread.join();
     63         ASSERT_EQ(0, adb_close(dummy));
     64     }
     65 };
     66