Move undo files into //components/undo

chrome/browser/undo/undo_manager_test.cc

Index: chrome/browser/undo/undo_manager_test.cc
diff --git a/chrome/browser/undo/undo_manager_test.cc b/chrome/browser/undo/undo_manager_test.cc
deleted file mode 100644
index 013b6214fe8831316cae73caf1c1da931be70b2d..0000000000000000000000000000000000000000
--- a/chrome/browser/undo/undo_manager_test.cc
+++ /dev/null
@@ -1,265 +0,0 @@
-// Copyright 2013 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/auto_reset.h"
-#include "chrome/browser/undo/undo_manager.h"
-#include "chrome/browser/undo/undo_manager_observer.h"
-#include "chrome/browser/undo/undo_operation.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class TestUndoOperation;
-
-// TestUndoService -------------------------------------------------------------
-
-class TestUndoService {
- public:
-  TestUndoService();
-  ~TestUndoService();
-
-  void Redo();
-  void TriggerOperation();
-  void RecordUndoCall();
-
-  UndoManager undo_manager_;
-
-  bool performing_redo_;
-
-  int undo_operation_count_;
-  int redo_operation_count_;
-};
-
-// TestUndoOperation -----------------------------------------------------------
-
-class TestUndoOperation : public UndoOperation {
- public:
-  explicit TestUndoOperation(TestUndoService* undo_service);
-  ~TestUndoOperation() override;
-
-  // UndoOperation:
-  void Undo() override;
-  int GetUndoLabelId() const override;
-  int GetRedoLabelId() const override;
-
- private:
-  TestUndoService* undo_service_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestUndoOperation);
-};
-
-TestUndoOperation::TestUndoOperation(TestUndoService* undo_service)
-      : undo_service_(undo_service) {
-}
-
-TestUndoOperation::~TestUndoOperation() {
-}
-
-void TestUndoOperation::Undo() {
-  undo_service_->TriggerOperation();
-  undo_service_->RecordUndoCall();
-}
-
-int TestUndoOperation::GetUndoLabelId() const {
-  return 0;
-}
-
-int TestUndoOperation::GetRedoLabelId() const {
-  return 0;
-}
-
-// TestUndoService -------------------------------------------------------------
-
-TestUndoService::TestUndoService() : performing_redo_(false),
-                                     undo_operation_count_(0),
-                                     redo_operation_count_(0) {
-}
-
-TestUndoService::~TestUndoService() {
-}
-
-void TestUndoService::Redo() {
-  base::AutoReset<bool> incoming_changes(&performing_redo_, true);
-  undo_manager_.Redo();
-}
-
-void TestUndoService::TriggerOperation() {
-  undo_manager_.AddUndoOperation(make_scoped_ptr(new TestUndoOperation(this)));
-}
-
-void TestUndoService::RecordUndoCall() {
-  if (performing_redo_)
-    ++redo_operation_count_;
-  else
-    ++undo_operation_count_;
-}
-
-// TestObserver ----------------------------------------------------------------
-
-class TestObserver : public UndoManagerObserver {
- public:
-  TestObserver() : state_change_count_(0) {}
-  // Returns the number of state change callbacks
-  int state_change_count() { return state_change_count_; }
-
-  void OnUndoManagerStateChange() override { ++state_change_count_; }
-
- private:
-  int state_change_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestObserver);
-};
-
-// Tests -----------------------------------------------------------------------
-
-TEST(UndoServiceTest, AddUndoActions) {
-  TestUndoService undo_service;
-
-  undo_service.TriggerOperation();
-  undo_service.TriggerOperation();
-  EXPECT_EQ(2U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(0U, undo_service.undo_manager_.redo_count());
-}
-
-TEST(UndoServiceTest, UndoMultipleActions) {
-  TestUndoService undo_service;
-
-  undo_service.TriggerOperation();
-  undo_service.TriggerOperation();
-
-  undo_service.undo_manager_.Undo();
-  EXPECT_EQ(1U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(1U, undo_service.undo_manager_.redo_count());
-
-  undo_service.undo_manager_.Undo();
-  EXPECT_EQ(0U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(2U, undo_service.undo_manager_.redo_count());
-
-  EXPECT_EQ(2, undo_service.undo_operation_count_);
-  EXPECT_EQ(0, undo_service.redo_operation_count_);
-}
-
-TEST(UndoServiceTest, RedoAction) {
-  TestUndoService undo_service;
-
-  undo_service.TriggerOperation();
-
-  undo_service.undo_manager_.Undo();
-  EXPECT_EQ(0U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(1U, undo_service.undo_manager_.redo_count());
-
-  undo_service.Redo();
-  EXPECT_EQ(1U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(0U, undo_service.undo_manager_.redo_count());
-
-  EXPECT_EQ(1, undo_service.undo_operation_count_);
-  EXPECT_EQ(1, undo_service.redo_operation_count_);
-}
-
-TEST(UndoServiceTest, GroupActions) {
-  TestUndoService undo_service;
-
-  // Add two operations in a single action.
-  undo_service.undo_manager_.StartGroupingActions();
-  undo_service.TriggerOperation();
-  undo_service.TriggerOperation();
-  undo_service.undo_manager_.EndGroupingActions();
-
-  // Check that only one action is created.
-  EXPECT_EQ(1U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(0U, undo_service.undo_manager_.redo_count());
-
-  undo_service.undo_manager_.Undo();
-  EXPECT_EQ(0U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(1U, undo_service.undo_manager_.redo_count());
-
-  undo_service.Redo();
-  EXPECT_EQ(1U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(0U, undo_service.undo_manager_.redo_count());
-
-  // Check that both operations were called in Undo and Redo.
-  EXPECT_EQ(2, undo_service.undo_operation_count_);
-  EXPECT_EQ(2, undo_service.redo_operation_count_);
-}
-
-TEST(UndoServiceTest, SuspendUndoTracking) {
-  TestUndoService undo_service;
-
-  undo_service.undo_manager_.SuspendUndoTracking();
-  EXPECT_TRUE(undo_service.undo_manager_.IsUndoTrakingSuspended());
-
-  undo_service.TriggerOperation();
-
-  undo_service.undo_manager_.ResumeUndoTracking();
-  EXPECT_FALSE(undo_service.undo_manager_.IsUndoTrakingSuspended());
-
-  EXPECT_EQ(0U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(0U, undo_service.undo_manager_.redo_count());
-}
-
-TEST(UndoServiceTest, RedoEmptyAfterNewAction) {
-  TestUndoService undo_service;
-
-  undo_service.TriggerOperation();
-  undo_service.undo_manager_.Undo();
-  EXPECT_EQ(0U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(1U, undo_service.undo_manager_.redo_count());
-
-  undo_service.TriggerOperation();
-  EXPECT_EQ(1U, undo_service.undo_manager_.undo_count());
-  EXPECT_EQ(0U, undo_service.undo_manager_.redo_count());
-}
-
-TEST(UndoServiceTest, GetAllUndoOperations) {
-  TestUndoService undo_service;
-
-  undo_service.TriggerOperation();
-
-  undo_service.undo_manager_.StartGroupingActions();
-  undo_service.TriggerOperation();
-  undo_service.TriggerOperation();
-  undo_service.undo_manager_.EndGroupingActions();
-
-  undo_service.TriggerOperation();
-
-  undo_service.undo_manager_.Undo();
-  ASSERT_EQ(2U, undo_service.undo_manager_.undo_count());
-  ASSERT_EQ(1U, undo_service.undo_manager_.redo_count());
-
-  std::vector<UndoOperation*> all_operations =
-      undo_service.undo_manager_.GetAllUndoOperations();
-  EXPECT_EQ(4U, all_operations.size());
-}
-
-TEST(UndoServiceTest, ObserverCallbacks) {
-  TestObserver observer;
-  TestUndoService undo_service;
-  undo_service.undo_manager_.AddObserver(&observer);
-  EXPECT_EQ(0, observer.state_change_count());
-
-  undo_service.TriggerOperation();
-  EXPECT_EQ(1, observer.state_change_count());
-
-  undo_service.undo_manager_.StartGroupingActions();
-  undo_service.TriggerOperation();
-  undo_service.TriggerOperation();
-  undo_service.undo_manager_.EndGroupingActions();
-  EXPECT_EQ(2, observer.state_change_count());
-
-  // There should be at least 1 observer callback for undo.
-  undo_service.undo_manager_.Undo();
-  int callback_count_after_undo = observer.state_change_count();
-  EXPECT_GT(callback_count_after_undo, 2);
-
-  // There should be at least 1 observer callback for redo.
-  undo_service.undo_manager_.Redo();
-  int callback_count_after_redo = observer.state_change_count();
-  EXPECT_GT(callback_count_after_redo, callback_count_after_undo);
-
-  undo_service.undo_manager_.RemoveObserver(&observer);
-  undo_service.undo_manager_.Undo();
-  EXPECT_EQ(callback_count_after_redo, observer.state_change_count());
-}
-
-} // namespace