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
24class 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#if ADB_HOST
56        // dummy socket installed in PrepareThread() + fdevent_run_on_main_thread socket
57        return 2;
58#else
59        // dummy socket + fdevent_run_on_main_thread + fdevent_subproc_setup() sockets
60        return 3;
61#endif
62    }
63
64    void TerminateThread(std::thread& thread) {
65        fdevent_terminate_loop();
66        ASSERT_TRUE(WriteFdExactly(dummy, "", 1));
67        thread.join();
68        ASSERT_EQ(0, adb_close(dummy));
69    }
70};
71