Delete SignalThread class.

webrtc/rtc_base/signalthread_unittest.cc

Index: webrtc/rtc_base/signalthread_unittest.cc
diff --git a/webrtc/rtc_base/signalthread_unittest.cc b/webrtc/rtc_base/signalthread_unittest.cc
deleted file mode 100644
index 15f665a12269a1ee81f7b4a8431c9942b01ae7c5..0000000000000000000000000000000000000000
--- a/webrtc/rtc_base/signalthread_unittest.cc
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- *  Copyright 2004 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.
- */
-
-#include <memory>
-
-#include "webrtc/base/constructormagic.h"
-#include "webrtc/base/gunit.h"
-#include "webrtc/base/signalthread.h"
-#include "webrtc/base/thread.h"
-
-using namespace rtc;
-
-// 10 seconds.
-static const int kTimeout = 10000;
-
-class SignalThreadTest : public testing::Test, public sigslot::has_slots<> {
- public:
-  class SlowSignalThread : public SignalThread {
-   public:
-    SlowSignalThread(SignalThreadTest* harness) : harness_(harness) {
-    }
-
-    virtual ~SlowSignalThread() {
-      EXPECT_EQ(harness_->main_thread_, Thread::Current());
-      ++harness_->thread_deleted_;
-    }
-
-    const SignalThreadTest* harness() { return harness_; }
-
-   protected:
-    virtual void OnWorkStart() {
-      ASSERT_TRUE(harness_ != nullptr);
-      ++harness_->thread_started_;
-      EXPECT_EQ(harness_->main_thread_, Thread::Current());
-      EXPECT_FALSE(worker()->RunningForTest());  // not started yet
-    }
-
-    virtual void OnWorkStop() {
-      ++harness_->thread_stopped_;
-      EXPECT_EQ(harness_->main_thread_, Thread::Current());
-      EXPECT_TRUE(worker()->RunningForTest());  // not stopped yet
-    }
-
-    virtual void OnWorkDone() {
-      ++harness_->thread_done_;
-      EXPECT_EQ(harness_->main_thread_, Thread::Current());
-      EXPECT_TRUE(worker()->RunningForTest());  // not stopped yet
-    }
-
-    virtual void DoWork() {
-      EXPECT_NE(harness_->main_thread_, Thread::Current());
-      EXPECT_EQ(worker(), Thread::Current());
-      Thread::Current()->socketserver()->Wait(250, false);
-    }
-
-   private:
-    SignalThreadTest* harness_;
-    RTC_DISALLOW_COPY_AND_ASSIGN(SlowSignalThread);
-  };
-
-  void OnWorkComplete(rtc::SignalThread* thread) {
-    SlowSignalThread* t = static_cast<SlowSignalThread*>(thread);
-    EXPECT_EQ(t->harness(), this);
-    EXPECT_EQ(main_thread_, Thread::Current());
-
-    ++thread_completed_;
-    if (!called_release_) {
-      thread->Release();
-    }
-  }
-
-  virtual void SetUp() {
-    main_thread_ = Thread::Current();
-    thread_ = new SlowSignalThread(this);
-    thread_->SignalWorkDone.connect(this, &SignalThreadTest::OnWorkComplete);
-    called_release_ = false;
-    thread_started_ = 0;
-    thread_done_ = 0;
-    thread_completed_ = 0;
-    thread_stopped_ = 0;
-    thread_deleted_ = 0;
-  }
-
-  virtual void TearDown() {
-  }
-
-  Thread* main_thread_;
-  SlowSignalThread* thread_;
-  bool called_release_;
-
-  int thread_started_;
-  int thread_done_;
-  int thread_completed_;
-  int thread_stopped_;
-  int thread_deleted_;
-};
-
-class OwnerThread : public Thread, public sigslot::has_slots<> {
- public:
-  explicit OwnerThread(SignalThreadTest* harness)
-      : harness_(harness),
-        has_run_(false) {
-  }
-
-  virtual ~OwnerThread() {
-    Stop();
-  }
-
-  virtual void Run() {
-    SignalThreadTest::SlowSignalThread* signal_thread =
-        new SignalThreadTest::SlowSignalThread(harness_);
-    signal_thread->SignalWorkDone.connect(this, &OwnerThread::OnWorkDone);
-    signal_thread->Start();
-    Thread::Current()->socketserver()->Wait(100, false);
-    signal_thread->Release();
-    // Delete |signal_thread|.
-    signal_thread->Destroy(true);
-    has_run_ = true;
-  }
-
-  bool has_run() { return has_run_; }
-  void OnWorkDone(SignalThread* signal_thread) {
-    FAIL() << " This shouldn't get called.";
-  }
-
- private:
-  SignalThreadTest* harness_;
-  bool has_run_;
-  RTC_DISALLOW_COPY_AND_ASSIGN(OwnerThread);
-};
-
-// Test for when the main thread goes away while the
-// signal thread is still working.  This may happen
-// when shutting down the process.
-TEST_F(SignalThreadTest, OwnerThreadGoesAway) {
-  // We don't use |thread_| for this test, so destroy it.
-  thread_->Destroy(true);
-
-  {
-    std::unique_ptr<OwnerThread> owner(new OwnerThread(this));
-    main_thread_ = owner.get();
-    owner->Start();
-    while (!owner->has_run()) {
-      Thread::Current()->socketserver()->Wait(10, false);
-    }
-  }
-  // At this point the main thread has gone away.
-  // Give the SignalThread a little time to do its callback,
-  // which will crash if the signal thread doesn't handle
-  // this situation well.
-  Thread::Current()->socketserver()->Wait(500, false);
-}
-
-#define EXPECT_STATE(started, done, completed, stopped, deleted) \
-  EXPECT_EQ(started, thread_started_); \
-  EXPECT_EQ(done, thread_done_); \
-  EXPECT_EQ(completed, thread_completed_); \
-  EXPECT_EQ(stopped, thread_stopped_); \
-  EXPECT_EQ(deleted, thread_deleted_);
-
-#define EXPECT_STATE_WAIT(started, done, completed, stopped, deleted, timeout) \
-  EXPECT_EQ_WAIT(started, thread_started_, timeout); \
-  EXPECT_EQ_WAIT(done, thread_done_, timeout); \
-  EXPECT_EQ_WAIT(completed, thread_completed_, timeout); \
-  EXPECT_EQ_WAIT(stopped, thread_stopped_, timeout); \
-  EXPECT_EQ_WAIT(deleted, thread_deleted_, timeout);
-
-TEST_F(SignalThreadTest, ThreadFinishes) {
-  thread_->Start();
-  EXPECT_STATE(1, 0, 0, 0, 0);
-  EXPECT_STATE_WAIT(1, 1, 1, 0, 1, kTimeout);
-}
-
-TEST_F(SignalThreadTest, ReleasedThreadFinishes) {
-  thread_->Start();
-  EXPECT_STATE(1, 0, 0, 0, 0);
-  thread_->Release();
-  called_release_ = true;
-  EXPECT_STATE(1, 0, 0, 0, 0);
-  EXPECT_STATE_WAIT(1, 1, 1, 0, 1, kTimeout);
-}
-
-TEST_F(SignalThreadTest, DestroyedThreadCleansUp) {
-  thread_->Start();
-  EXPECT_STATE(1, 0, 0, 0, 0);
-  thread_->Destroy(true);
-  EXPECT_STATE(1, 0, 0, 1, 1);
-  Thread::Current()->ProcessMessages(0);
-  EXPECT_STATE(1, 0, 0, 1, 1);
-}
-
-TEST_F(SignalThreadTest, DeferredDestroyedThreadCleansUp) {
-  thread_->Start();
-  EXPECT_STATE(1, 0, 0, 0, 0);
-  thread_->Destroy(false);
-  EXPECT_STATE(1, 0, 0, 1, 0);
-  EXPECT_STATE_WAIT(1, 1, 0, 1, 1, kTimeout);
-}