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91 lines
2.9 KiB
91 lines
2.9 KiB
4 months ago
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/*
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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 <binder/Binder.h>
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#include <binder/IServiceManager.h>
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#include <binder/ProcessState.h>
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#include <binder/IPCThreadState.h>
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#include <binderdebug/BinderDebug.h>
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#include <gtest/gtest.h>
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#include <semaphore.h>
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#include <thread>
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#include <android/binderdebug/test/BnControl.h>
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#include <android/binderdebug/test/IControl.h>
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namespace android {
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namespace binderdebug {
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namespace test {
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class Control : public BnControl {
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public:
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Control() {sem_init(&s, 1, 0);};
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::android::binder::Status Continue() override;
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sem_t s;
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};
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::android::binder::Status Control::Continue() {
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IPCThreadState::self()->flushCommands();
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sem_post(&s);
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return binder::Status::ok();
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}
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TEST(BinderDebugTests, BinderPid) {
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BinderPidInfo pidInfo;
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const auto& status = getBinderPidInfo(BinderDebugContext::BINDER, getpid(), &pidInfo);
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ASSERT_EQ(status, OK);
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// There should be one referenced PID for servicemanager
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EXPECT_TRUE(!pidInfo.refPids.empty());
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}
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TEST(BinderDebugTests, BinderThreads) {
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BinderPidInfo pidInfo;
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const auto& status = getBinderPidInfo(BinderDebugContext::BINDER, getpid(), &pidInfo);
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ASSERT_EQ(status, OK);
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EXPECT_TRUE(pidInfo.threadUsage <= pidInfo.threadCount);
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// The second looper thread can sometimes take longer to spawn.
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EXPECT_GE(pidInfo.threadCount, 1);
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}
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extern "C" {
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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// Create a child/client process to call into the main process so we can ensure
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// looper thread has been registered before attempting to get the BinderPidInfo
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pid_t pid = fork();
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if (pid == 0) {
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sp<IBinder> binder = android::defaultServiceManager()->getService(String16("binderdebug"));
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sp<IControl> service;
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if (binder != nullptr) {
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service = android::interface_cast<IControl>(binder);
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}
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service->Continue();
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exit(0);
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}
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sp<Control> iface = new Control;
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android::defaultServiceManager()->addService(String16("binderdebug"), iface);
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android::ProcessState::self()->setThreadPoolMaxThreadCount(8);
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ProcessState::self()->startThreadPool();
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sem_wait(&iface->s);
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return RUN_ALL_TESTS();
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}
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} // extern "C"
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} // namespace test
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} // namespace binderdebug
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} // namespace android
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