Move base to DEPS

base/trace_event/memory_dump_manager_unittest.cc

Index: base/trace_event/memory_dump_manager_unittest.cc
diff --git a/base/trace_event/memory_dump_manager_unittest.cc b/base/trace_event/memory_dump_manager_unittest.cc
deleted file mode 100644
index be20cec238f285294c6822ced380d7367f2071f9..0000000000000000000000000000000000000000
--- a/base/trace_event/memory_dump_manager_unittest.cc
+++ /dev/null
@@ -1,360 +0,0 @@
-// Copyright 2015 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 "base/trace_event/memory_dump_manager.h"
-
-#include "base/bind_helpers.h"
-#include "base/memory/scoped_vector.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/thread_task_runner_handle.h"
-#include "base/threading/thread.h"
-#include "base/trace_event/memory_dump_provider.h"
-#include "base/trace_event/process_memory_dump.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using testing::_;
-using testing::Between;
-using testing::Invoke;
-using testing::Return;
-
-namespace base {
-namespace trace_event {
-
-// Testing MemoryDumpManagerDelegate which short-circuits dump requests locally
-// instead of performing IPC dances.
-class MemoryDumpManagerDelegateForTesting : public MemoryDumpManagerDelegate {
- public:
-  void RequestGlobalMemoryDump(const MemoryDumpRequestArgs& args,
-                               const MemoryDumpCallback& callback) override {
-    CreateProcessDump(args, callback);
-  }
-
-  bool IsCoordinatorProcess() const override { return false; }
-};
-
-class MemoryDumpManagerTest : public testing::Test {
- public:
-  void SetUp() override {
-    message_loop_.reset(new MessageLoop());
-    mdm_.reset(new MemoryDumpManager());
-    MemoryDumpManager::SetInstanceForTesting(mdm_.get());
-    ASSERT_EQ(mdm_, MemoryDumpManager::GetInstance());
-    MemoryDumpManager::GetInstance()->Initialize();
-    MemoryDumpManager::GetInstance()->SetDelegate(&delegate_);
-  }
-
-  void TearDown() override {
-    MemoryDumpManager::SetInstanceForTesting(nullptr);
-    mdm_.reset();
-    message_loop_.reset();
-    TraceLog::DeleteForTesting();
-  }
-
-  void DumpCallbackAdapter(scoped_refptr<SingleThreadTaskRunner> task_runner,
-                           Closure closure,
-                           uint64 dump_guid,
-                           bool success) {
-    task_runner->PostTask(FROM_HERE, closure);
-  }
-
- protected:
-  const char* kTraceCategory = MemoryDumpManager::kTraceCategoryForTesting;
-
-  void EnableTracing(const char* category) {
-    TraceLog::GetInstance()->SetEnabled(
-        TraceConfig(category, ""), TraceLog::RECORDING_MODE);
-  }
-
-  void DisableTracing() { TraceLog::GetInstance()->SetDisabled(); }
-
-  scoped_ptr<MemoryDumpManager> mdm_;
-
- private:
-  scoped_ptr<MessageLoop> message_loop_;
-  MemoryDumpManagerDelegateForTesting delegate_;
-
-  // We want our singleton torn down after each test.
-  ShadowingAtExitManager at_exit_manager_;
-};
-
-class MockDumpProvider : public MemoryDumpProvider {
- public:
-  MockDumpProvider()
-      : dump_provider_to_register_or_unregister(nullptr),
-        last_session_state_(nullptr) {}
-
-  // Ctor used by the RespectTaskRunnerAffinity test.
-  explicit MockDumpProvider(
-      const scoped_refptr<SingleThreadTaskRunner>& task_runner)
-      : last_session_state_(nullptr), task_runner_(task_runner) {}
-
-  virtual ~MockDumpProvider() {}
-
-  MOCK_METHOD1(OnMemoryDump, bool(ProcessMemoryDump* pmd));
-
-  // OnMemoryDump() override for the RespectTaskRunnerAffinity test.
-  bool OnMemoryDump_CheckTaskRunner(ProcessMemoryDump* pmd) {
-    EXPECT_TRUE(task_runner_->RunsTasksOnCurrentThread());
-    return true;
-  }
-
-  // OnMemoryDump() override for the SharedSessionState test.
-  bool OnMemoryDump_CheckSessionState(ProcessMemoryDump* pmd) {
-    MemoryDumpSessionState* cur_session_state = pmd->session_state().get();
-    if (last_session_state_)
-      EXPECT_EQ(last_session_state_, cur_session_state);
-    last_session_state_ = cur_session_state;
-    return true;
-  }
-
-  // OnMemoryDump() override for the RegisterDumperWhileDumping test.
-  bool OnMemoryDump_RegisterExtraDumpProvider(ProcessMemoryDump* pmd) {
-    MemoryDumpManager::GetInstance()->RegisterDumpProvider(
-        dump_provider_to_register_or_unregister);
-    return true;
-  }
-
-  // OnMemoryDump() override for the UnegisterDumperWhileDumping test.
-  bool OnMemoryDump_UnregisterDumpProvider(ProcessMemoryDump* pmd) {
-    MemoryDumpManager::GetInstance()->UnregisterDumpProvider(
-        dump_provider_to_register_or_unregister);
-    return true;
-  }
-
-  // Used by OnMemoryDump_(Un)RegisterExtraDumpProvider.
-  MemoryDumpProvider* dump_provider_to_register_or_unregister;
-
- private:
-  MemoryDumpSessionState* last_session_state_;
-  scoped_refptr<SingleThreadTaskRunner> task_runner_;
-};
-
-TEST_F(MemoryDumpManagerTest, SingleDumper) {
-  MockDumpProvider mdp;
-  mdm_->RegisterDumpProvider(&mdp);
-
-  // Check that the dumper is not called if the memory category is not enabled.
-  EnableTracing("foo-and-bar-but-not-memory");
-  EXPECT_CALL(mdp, OnMemoryDump(_)).Times(0);
-  mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  DisableTracing();
-
-  // Now repeat enabling the memory category and check that the dumper is
-  // invoked this time.
-  EnableTracing(kTraceCategory);
-  EXPECT_CALL(mdp, OnMemoryDump(_)).Times(3).WillRepeatedly(Return(true));
-  for (int i = 0; i < 3; ++i)
-    mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  DisableTracing();
-
-  mdm_->UnregisterDumpProvider(&mdp);
-
-  // Finally check the unregister logic (no calls to the mdp after unregister).
-  EnableTracing(kTraceCategory);
-  EXPECT_CALL(mdp, OnMemoryDump(_)).Times(0);
-  mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  TraceLog::GetInstance()->SetDisabled();
-}
-
-TEST_F(MemoryDumpManagerTest, SharedSessionState) {
-  MockDumpProvider mdp1;
-  MockDumpProvider mdp2;
-  mdm_->RegisterDumpProvider(&mdp1);
-  mdm_->RegisterDumpProvider(&mdp2);
-
-  EnableTracing(kTraceCategory);
-  EXPECT_CALL(mdp1, OnMemoryDump(_))
-      .Times(2)
-      .WillRepeatedly(
-          Invoke(&mdp1, &MockDumpProvider::OnMemoryDump_CheckSessionState));
-  EXPECT_CALL(mdp2, OnMemoryDump(_))
-      .Times(2)
-      .WillRepeatedly(
-          Invoke(&mdp2, &MockDumpProvider::OnMemoryDump_CheckSessionState));
-
-  for (int i = 0; i < 2; ++i)
-    mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-
-  DisableTracing();
-}
-
-TEST_F(MemoryDumpManagerTest, MultipleDumpers) {
-  MockDumpProvider mdp1;
-  MockDumpProvider mdp2;
-
-  // Enable only mdp1.
-  mdm_->RegisterDumpProvider(&mdp1);
-  EnableTracing(kTraceCategory);
-  EXPECT_CALL(mdp1, OnMemoryDump(_)).Times(1).WillRepeatedly(Return(true));
-  EXPECT_CALL(mdp2, OnMemoryDump(_)).Times(0);
-  mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  DisableTracing();
-
-  // Invert: enable mdp1 and disable mdp2.
-  mdm_->UnregisterDumpProvider(&mdp1);
-  mdm_->RegisterDumpProvider(&mdp2);
-  EnableTracing(kTraceCategory);
-  EXPECT_CALL(mdp1, OnMemoryDump(_)).Times(0);
-  EXPECT_CALL(mdp2, OnMemoryDump(_)).Times(1).WillRepeatedly(Return(true));
-  mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  DisableTracing();
-
-  // Enable both mdp1 and mdp2.
-  mdm_->RegisterDumpProvider(&mdp1);
-  EnableTracing(kTraceCategory);
-  EXPECT_CALL(mdp1, OnMemoryDump(_)).Times(1).WillRepeatedly(Return(true));
-  EXPECT_CALL(mdp2, OnMemoryDump(_)).Times(1).WillRepeatedly(Return(true));
-  mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  DisableTracing();
-}
-
-// Checks that the MemoryDumpManager respects the thread affinity when a
-// MemoryDumpProvider specifies a task_runner(). The test starts creating 8
-// threads and registering a MemoryDumpProvider on each of them. At each
-// iteration, one thread is removed, to check the live unregistration logic.
-TEST_F(MemoryDumpManagerTest, RespectTaskRunnerAffinity) {
-  const uint32 kNumInitialThreads = 8;
-
-  ScopedVector<Thread> threads;
-  ScopedVector<MockDumpProvider> mdps;
-
-  // Create the threads and setup the expectations. Given that at each iteration
-  // we will pop out one thread/MemoryDumpProvider, each MDP is supposed to be
-  // invoked a number of times equal to its index.
-  for (uint32 i = kNumInitialThreads; i > 0; --i) {
-    threads.push_back(new Thread("test thread"));
-    threads.back()->Start();
-    mdps.push_back(new MockDumpProvider(threads.back()->task_runner()));
-    MockDumpProvider* mdp = mdps.back();
-    mdm_->RegisterDumpProvider(mdp, threads.back()->task_runner());
-    EXPECT_CALL(*mdp, OnMemoryDump(_))
-        .Times(i)
-        .WillRepeatedly(
-            Invoke(mdp, &MockDumpProvider::OnMemoryDump_CheckTaskRunner));
-  }
-
-  EnableTracing(kTraceCategory);
-
-  while (!threads.empty()) {
-    {
-      RunLoop run_loop;
-      MemoryDumpCallback callback =
-          Bind(&MemoryDumpManagerTest::DumpCallbackAdapter, Unretained(this),
-               MessageLoop::current()->task_runner(), run_loop.QuitClosure());
-      mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED, callback);
-      // This nested message loop (|run_loop|) will be quit if and only if
-      // the RequestGlobalDump callback is invoked.
-      run_loop.Run();
-    }
-
-    // Unregister a MDP and destroy one thread at each iteration to check the
-    // live unregistration logic. The unregistration needs to happen on the same
-    // thread the MDP belongs to.
-    {
-      RunLoop run_loop;
-      Closure unregistration =
-          Bind(&MemoryDumpManager::UnregisterDumpProvider,
-               Unretained(mdm_.get()), Unretained(mdps.back()));
-      threads.back()->task_runner()->PostTaskAndReply(FROM_HERE, unregistration,
-                                                      run_loop.QuitClosure());
-      run_loop.Run();
-    }
-    mdps.pop_back();
-    threads.back()->Stop();
-    threads.pop_back();
-  }
-
-  DisableTracing();
-}
-
-// Enable both dump providers, make sure that mdp gets disabled after 3 failures
-// and not disabled after 1.
-TEST_F(MemoryDumpManagerTest, DisableFailingDumpers) {
-  MockDumpProvider mdp1;
-  MockDumpProvider mdp2;
-
-  mdm_->RegisterDumpProvider(&mdp1);
-  mdm_->RegisterDumpProvider(&mdp2);
-  EnableTracing(kTraceCategory);
-
-  EXPECT_CALL(mdp1, OnMemoryDump(_))
-      .Times(MemoryDumpManager::kMaxConsecutiveFailuresCount)
-      .WillRepeatedly(Return(false));
-
-  EXPECT_CALL(mdp2, OnMemoryDump(_))
-      .Times(1 + MemoryDumpManager::kMaxConsecutiveFailuresCount)
-      .WillOnce(Return(false))
-      .WillRepeatedly(Return(true));
-  for (int i = 0; i < 1 + MemoryDumpManager::kMaxConsecutiveFailuresCount;
-       i++) {
-    mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  }
-
-  DisableTracing();
-}
-
-// Sneakily register an extra memory dump provider while an existing one is
-// dumping and expect it to take part in the already active tracing session.
-TEST_F(MemoryDumpManagerTest, RegisterDumperWhileDumping) {
-  MockDumpProvider mdp1;
-  MockDumpProvider mdp2;
-
-  mdp1.dump_provider_to_register_or_unregister = &mdp2;
-  mdm_->RegisterDumpProvider(&mdp1);
-  EnableTracing(kTraceCategory);
-
-  EXPECT_CALL(mdp1, OnMemoryDump(_))
-      .Times(4)
-      .WillOnce(Return(true))
-      .WillOnce(Invoke(
-          &mdp1, &MockDumpProvider::OnMemoryDump_RegisterExtraDumpProvider))
-      .WillRepeatedly(Return(true));
-
-  // Depending on the insertion order (before or after mdp1), mdp2 might be
-  // called also immediately after it gets registered.
-  EXPECT_CALL(mdp2, OnMemoryDump(_))
-      .Times(Between(2, 3))
-      .WillRepeatedly(Return(true));
-
-  for (int i = 0; i < 4; i++) {
-    mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  }
-
-  DisableTracing();
-}
-
-// Like the above, but suddenly unregister the dump provider.
-TEST_F(MemoryDumpManagerTest, UnregisterDumperWhileDumping) {
-  MockDumpProvider mdp1;
-  MockDumpProvider mdp2;
-
-  mdm_->RegisterDumpProvider(&mdp1, ThreadTaskRunnerHandle::Get());
-  mdm_->RegisterDumpProvider(&mdp2, ThreadTaskRunnerHandle::Get());
-  mdp1.dump_provider_to_register_or_unregister = &mdp2;
-  EnableTracing(kTraceCategory);
-
-  EXPECT_CALL(mdp1, OnMemoryDump(_))
-      .Times(4)
-      .WillOnce(Return(true))
-      .WillOnce(
-          Invoke(&mdp1, &MockDumpProvider::OnMemoryDump_UnregisterDumpProvider))
-      .WillRepeatedly(Return(true));
-
-  // Depending on the insertion order (before or after mdp1), mdp2 might have
-  // been already called when OnMemoryDump_UnregisterDumpProvider happens.
-  EXPECT_CALL(mdp2, OnMemoryDump(_))
-      .Times(Between(1, 2))
-      .WillRepeatedly(Return(true));
-
-  for (int i = 0; i < 4; i++) {
-    mdm_->RequestGlobalDump(MemoryDumpType::EXPLICITLY_TRIGGERED);
-  }
-
-  DisableTracing();
-}
-
-}  // namespace trace_event
-}  // namespace base