arc: Remove components/arc/standalone

components/arc/standalone/service_helper_unittest.cc

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "components/arc/standalone/service_helper.h"
-
-#include <signal.h>
-#include <unistd.h>
-
-#include <memory>
-
-#include "base/bind.h"
-#include "base/files/file_descriptor_watcher_posix.h"
-#include "base/macros.h"
-#include "base/memory/ptr_util.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/single_thread_task_runner.h"
-#include "base/test/launcher/unit_test_launcher.h"
-#include "base/test/test_suite.h"
-#include "base/threading/platform_thread.h"
-#include "base/time/time.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace arc {
-
-class ServiceHelperTest : public ::testing::Test {
- public:
-  ServiceHelperTest() {}
-  ~ServiceHelperTest() override {}
-
-  void Quit() {
-    CHECK(base_loop_);
-    CHECK(run_loop_);
-    base_loop_->task_runner()->PostTask(FROM_HERE, run_loop_->QuitClosure());
-  }
-
-  void Init() {
-    // Dynamically create the message loop to avoid thread check failure of task
-    // runner in Debug mode.
-    base_loop_.reset(new base::MessageLoopForIO());
-    run_loop_.reset(new base::RunLoop());
-
-    // Required to watch a file descriptor from ServiceHelper.
-    file_descriptor_watcher_ =
-        base::MakeUnique<FileDescriptorWatcher>(base_loop_.get());
-
-    // This cannot be put inside SetUp() because we need to run it after fork().
-    helper_.reset(new ServiceHelper());
-    helper_->Init(base::Bind(&ServiceHelperTest::Quit,
-                            base::Unretained(this)));
-  }
-
- protected:
-  std::unique_ptr<base::MessageLoopForIO> base_loop_;
-  std::unique_ptr<base::MessageLoopForIO> file_descriptor_watcher_;
-  std::unique_ptr<base::RunLoop> run_loop_;
-  std::unique_ptr<ServiceHelper> helper_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ServiceHelperTest);
-};
-
-TEST_F(ServiceHelperTest, CheckExternalTerm) {
-  // Fork ourselves and run it.
-  pid_t child_pid = fork();
-  if (child_pid == 0) {  // Child process
-    Init();
-    run_loop_->Run();
-    helper_.reset();  // Make sure ServiceHelper dtor does not crash.
-    _Exit(EXIT_SUCCESS);
-  } else if (child_pid == -1) {  // Failed to fork
-    FAIL();
-  } else {  // Parent process
-    // Deliberate race. If ServiceHelper had bugs and stalled, the short
-    // timeout would kill forked process and stop the test. In that case
-    // there will be a crash from improperly terminated message loop
-    // and we shall capture the error.
-    base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1));
-    kill(child_pid, SIGTERM);
-    int status;
-    ASSERT_EQ(child_pid, waitpid(child_pid, &status, 0));
-    ASSERT_TRUE(WIFEXITED(status));
-  }
-}
-
-}  // namespace arc
-
-int main(int argc, char** argv) {
-  base::TestSuite test_suite(argc, argv);
-  return base::LaunchUnitTestsSerially(
-      argc, argv,
-      base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
-}