7596250722
Test: logcat -c; fdtrack_test; logcat -d Change-Id: Ib6f75a7c8bbc4d6efa0708dcbbfe4ad3c0641022
120 lines
3.2 KiB
C++
120 lines
3.2 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <dirent.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <unistd.h>
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#if defined(__BIONIC__)
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#include "platform/bionic/fdtrack.h"
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#endif
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#include <vector>
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#include <android-base/unique_fd.h>
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#if defined(__BIONIC__)
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std::vector<android_fdtrack_event> FdtrackRun(void (*func)()) {
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// Each bionic test is run in separate process, so we can safely use a static here.
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static std::vector<android_fdtrack_event> events;
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events.clear();
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android_fdtrack_hook_t previous = nullptr;
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android_fdtrack_hook_t hook = [](android_fdtrack_event* event) {
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events.push_back(*event);
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};
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if (!android_fdtrack_compare_exchange_hook(&previous, hook)) {
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errx(1, "failed to exchange hook: previous hook was %p", previous);
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}
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if (previous) {
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errx(1, "hook was already registered?");
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abort();
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}
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func();
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if (!android_fdtrack_compare_exchange_hook(&hook, nullptr)) {
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errx(1, "failed to reset hook");
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}
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return std::move(events);
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}
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#endif
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TEST(fdtrack, open) {
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#if defined(__BIONIC__)
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static int fd = -1;
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auto events = FdtrackRun([]() { fd = open("/dev/null", O_WRONLY | O_CLOEXEC); });
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ASSERT_NE(-1, fd);
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ASSERT_EQ(1U, events.size());
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ASSERT_EQ(fd, events[0].fd);
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ASSERT_EQ(ANDROID_FDTRACK_EVENT_TYPE_CREATE, events[0].type);
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ASSERT_STREQ("open", events[0].data.create.function_name);
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#endif
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}
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TEST(fdtrack, close) {
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#if defined(__BIONIC__)
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static int fd = open("/dev/null", O_WRONLY | O_CLOEXEC);
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ASSERT_NE(-1, fd);
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auto events = FdtrackRun([]() { close(fd); });
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ASSERT_EQ(1U, events.size());
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ASSERT_EQ(fd, events[0].fd);
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ASSERT_EQ(ANDROID_FDTRACK_EVENT_TYPE_CLOSE, events[0].type);
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#endif
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}
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TEST(fdtrack, enable_disable) {
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#if defined(__BIONIC__)
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static int fd1 = -1;
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static int fd2 = -1;
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static int fd3 = -1;
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auto events = FdtrackRun([]() {
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if (!android_fdtrack_get_enabled()) {
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errx(1, "fdtrack is disabled");
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}
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fd1 = open("/dev/null", O_WRONLY | O_CLOEXEC);
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android_fdtrack_set_enabled(false);
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fd2 = open("/dev/null", O_WRONLY | O_CLOEXEC);
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android_fdtrack_set_enabled(true);
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fd3 = open("/dev/null", O_WRONLY | O_CLOEXEC);
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});
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if (fd1 == -1 || fd2 == -1 || fd3 == -1) {
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errx(1, "failed to open /dev/null");
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}
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ASSERT_EQ(2U, events.size());
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ASSERT_EQ(fd1, events[0].fd);
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ASSERT_EQ(ANDROID_FDTRACK_EVENT_TYPE_CREATE, events[0].type);
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ASSERT_STREQ("open", events[0].data.create.function_name);
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ASSERT_EQ(fd3, events[1].fd);
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ASSERT_EQ(ANDROID_FDTRACK_EVENT_TYPE_CREATE, events[1].type);
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ASSERT_STREQ("open", events[1].data.create.function_name);
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#endif
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}
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