Move webrtc/{base => rtc_base}

webrtc/base/thread_checker_unittest.cc

-/*
- *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// Borrowed from Chromium's src/base/threading/thread_checker_unittest.cc.
-
-#include <memory>
-
-#include "webrtc/base/checks.h"
-#include "webrtc/base/constructormagic.h"
-#include "webrtc/base/task_queue.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/base/thread_checker.h"
-#include "webrtc/test/gtest.h"
-
-// Duplicated from base/threading/thread_checker.h so that we can be
-// good citizens there and undef the macro.
-#define ENABLE_THREAD_CHECKER RTC_DCHECK_IS_ON
-
-namespace rtc {
-
-namespace {
-
-// Simple class to exercise the basics of ThreadChecker.
-// Both the destructor and DoStuff should verify that they were
-// called on the same thread as the constructor.
-class ThreadCheckerClass : public ThreadChecker {
- public:
-  ThreadCheckerClass() {}
-
-  // Verifies that it was called on the same thread as the constructor.
-  void DoStuff() { RTC_DCHECK(CalledOnValidThread()); }
-
-  void DetachFromThread() {
-    ThreadChecker::DetachFromThread();
-  }
-
-  static void MethodOnDifferentThreadImpl();
-  static void DetachThenCallFromDifferentThreadImpl();
-
- private:
-  RTC_DISALLOW_COPY_AND_ASSIGN(ThreadCheckerClass);
-};
-
-// Calls ThreadCheckerClass::DoStuff on another thread.
-class CallDoStuffOnThread : public Thread {
- public:
-  explicit CallDoStuffOnThread(ThreadCheckerClass* thread_checker_class)
-      : Thread(),
-        thread_checker_class_(thread_checker_class) {
-    SetName("call_do_stuff_on_thread", nullptr);
-  }
-
-  void Run() override { thread_checker_class_->DoStuff(); }
-
-  // New method. Needed since Thread::Join is protected, and it is called by
-  // the TEST.
-  void Join() {
-    Thread::Join();
-  }
-
- private:
-  ThreadCheckerClass* thread_checker_class_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(CallDoStuffOnThread);
-};
-
-// Deletes ThreadCheckerClass on a different thread.
-class DeleteThreadCheckerClassOnThread : public Thread {
- public:
-  explicit DeleteThreadCheckerClassOnThread(
-      ThreadCheckerClass* thread_checker_class)
-      : Thread(),
-        thread_checker_class_(thread_checker_class) {
-    SetName("delete_thread_checker_class_on_thread", nullptr);
-  }
-
-  void Run() override { thread_checker_class_.reset(); }
-
-  // New method. Needed since Thread::Join is protected, and it is called by
-  // the TEST.
-  void Join() {
-    Thread::Join();
-  }
-
- private:
-  std::unique_ptr<ThreadCheckerClass> thread_checker_class_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(DeleteThreadCheckerClassOnThread);
-};
-
-}  // namespace
-
-TEST(ThreadCheckerTest, CallsAllowedOnSameThread) {
-  std::unique_ptr<ThreadCheckerClass> thread_checker_class(
-      new ThreadCheckerClass);
-
-  // Verify that DoStuff doesn't assert.
-  thread_checker_class->DoStuff();
-
-  // Verify that the destructor doesn't assert.
-  thread_checker_class.reset();
-}
-
-TEST(ThreadCheckerTest, DestructorAllowedOnDifferentThread) {
-  std::unique_ptr<ThreadCheckerClass> thread_checker_class(
-      new ThreadCheckerClass);
-
-  // Verify that the destructor doesn't assert
-  // when called on a different thread.
-  DeleteThreadCheckerClassOnThread delete_on_thread(
-      thread_checker_class.release());
-
-  delete_on_thread.Start();
-  delete_on_thread.Join();
-}
-
-TEST(ThreadCheckerTest, DetachFromThread) {
-  std::unique_ptr<ThreadCheckerClass> thread_checker_class(
-      new ThreadCheckerClass);
-
-  // Verify that DoStuff doesn't assert when called on a different thread after
-  // a call to DetachFromThread.
-  thread_checker_class->DetachFromThread();
-  CallDoStuffOnThread call_on_thread(thread_checker_class.get());
-
-  call_on_thread.Start();
-  call_on_thread.Join();
-}
-
-#if GTEST_HAS_DEATH_TEST || !ENABLE_THREAD_CHECKER
-
-void ThreadCheckerClass::MethodOnDifferentThreadImpl() {
-  std::unique_ptr<ThreadCheckerClass> thread_checker_class(
-      new ThreadCheckerClass);
-
-  // DoStuff should assert in debug builds only when called on a
-  // different thread.
-  CallDoStuffOnThread call_on_thread(thread_checker_class.get());
-
-  call_on_thread.Start();
-  call_on_thread.Join();
-}
-
-#if ENABLE_THREAD_CHECKER
-TEST(ThreadCheckerDeathTest, MethodNotAllowedOnDifferentThreadInDebug) {
-  ASSERT_DEATH({
-      ThreadCheckerClass::MethodOnDifferentThreadImpl();
-    }, "");
-}
-#else
-TEST(ThreadCheckerTest, MethodAllowedOnDifferentThreadInRelease) {
-  ThreadCheckerClass::MethodOnDifferentThreadImpl();
-}
-#endif  // ENABLE_THREAD_CHECKER
-
-void ThreadCheckerClass::DetachThenCallFromDifferentThreadImpl() {
-  std::unique_ptr<ThreadCheckerClass> thread_checker_class(
-      new ThreadCheckerClass);
-
-  // DoStuff doesn't assert when called on a different thread
-  // after a call to DetachFromThread.
-  thread_checker_class->DetachFromThread();
-  CallDoStuffOnThread call_on_thread(thread_checker_class.get());
-
-  call_on_thread.Start();
-  call_on_thread.Join();
-
-  // DoStuff should assert in debug builds only after moving to
-  // another thread.
-  thread_checker_class->DoStuff();
-}
-
-#if ENABLE_THREAD_CHECKER
-TEST(ThreadCheckerDeathTest, DetachFromThreadInDebug) {
-  ASSERT_DEATH({
-    ThreadCheckerClass::DetachThenCallFromDifferentThreadImpl();
-    }, "");
-}
-#else
-TEST(ThreadCheckerTest, DetachFromThreadInRelease) {
-  ThreadCheckerClass::DetachThenCallFromDifferentThreadImpl();
-}
-#endif  // ENABLE_THREAD_CHECKER
-
-#endif  // GTEST_HAS_DEATH_TEST || !ENABLE_THREAD_CHECKER
-
-class ThreadAnnotateTest {
- public:
-  // Next two function should create warnings when compile (e.g. if used with
-  // specific T).
-  // TODO(danilchap): Find a way to test they do not compile when thread
-  // annotation checks enabled.
-  template<typename T>
-  void access_var_no_annotate() {
-    var_thread_ = 42;
-  }
-
-  template<typename T>
-  void access_fun_no_annotate() {
-    function();
-  }
-
-  // Functions below should be able to compile.
-  void access_var_annotate_thread() {
-    RTC_DCHECK_RUN_ON(thread_);
-    var_thread_ = 42;
-  }
-
-  void access_var_annotate_checker() {
-    RTC_DCHECK_RUN_ON(&checker_);
-    var_checker_ = 44;
-  }
-
-  void access_var_annotate_queue() {
-    RTC_DCHECK_RUN_ON(queue_);
-    var_queue_ = 46;
-  }
-
-  void access_fun_annotate() {
-    RTC_DCHECK_RUN_ON(thread_);
-    function();
-  }
-
-  void access_fun_and_var() {
-    RTC_DCHECK_RUN_ON(thread_);
-    fun_acccess_var();
-  }
-
- private:
-  void function() RUN_ON(thread_) {}
-  void fun_acccess_var() RUN_ON(thread_) { var_thread_ = 13; }
-
-  rtc::Thread* thread_;
-  rtc::ThreadChecker checker_;
-  rtc::TaskQueue* queue_;
-
-  int var_thread_ ACCESS_ON(thread_);
-  int var_checker_ GUARDED_BY(checker_);
-  int var_queue_ ACCESS_ON(queue_);
-};
-
-// Just in case we ever get lumped together with other compilation units.
-#undef ENABLE_THREAD_CHECKER
-
-}  // namespace rtc