root/ui/views/controls/textfield/textfield_unittest.cc

DEFINITIONS

1. key_received_
2. OnKeyPressed
3. OnKeyReleased
4. key_handled
5. key_received
6. clear
7. set_text
8. text
9. GetClipboardText
10. SetClipboardText
11. on_after_user_action_
12. SetUp
13. TearDown
14. ContentsChanged
15. HandleKeyEvent
16. OnBeforeUserAction
17. OnAfterUserAction
18. InitTextfield
19. InitTextfields
20. GetContextMenuModel
21. GetTouchSelectionController
22. SendKeyEvent
23. SendKeyEvent
24. SendKeyEvent
25. SendKeyEvent
26. GetFocusedView
27. GetCursorPositionX
28. GetCursorBounds
29. GetCursorBounds
30. GetDisplayRect
31. MouseClick
32. NonClientMouseClick
33. VerifyTextfieldContextMenuContents
34. TEST_F
35. TEST_F
36. TEST_F
37. TEST_F
38. TEST_F
39. TEST_F
40. TEST_F
41. TEST_F
42. TEST_F
43. TEST_F
44. TEST_F
45. TEST_F
46. TEST_F
47. TEST_F
48. TEST_F
49. TEST_F
50. TEST_F
51. TEST_F
52. TEST_F
53. TEST_F
54. TEST_F
55. TEST_F
56. TEST_F
57. TEST_F
58. TEST_F
59. TEST_F
60. TEST_F
61. TEST_F
62. TEST_F
63. TEST_F
64. TEST_F
65. TEST_F
66. TEST_F
67. TEST_F
68. TEST_F
69. TEST_F
70. TEST_F

// Copyright 2014 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 "ui/views/controls/textfield/textfield.h"

#include <set>
#include <string>
#include <vector>

#include "base/auto_reset.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/message_loop/message_loop.h"
#include "base/pickle.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "grit/ui_strings.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/clipboard/scoped_clipboard_writer.h"
#include "ui/base/dragdrop/drag_drop_types.h"
#include "ui/base/ime/text_input_client.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/ui_base_switches.h"
#include "ui/base/ui_base_switches_util.h"
#include "ui/events/event.h"
#include "ui/events/keycodes/keyboard_codes.h"
#include "ui/gfx/render_text.h"
#include "ui/views/controls/textfield/textfield_controller.h"
#include "ui/views/controls/textfield/textfield_model.h"
#include "ui/views/focus/focus_manager.h"
#include "ui/views/ime/mock_input_method.h"
#include "ui/views/test/test_views_delegate.h"
#include "ui/views/test/views_test_base.h"
#include "ui/views/widget/native_widget_private.h"
#include "ui/views/widget/widget.h"
#include "url/gurl.h"

#if defined(OS_WIN)
#include "base/win/windows_version.h"
#endif

using base::ASCIIToUTF16;
using base::UTF8ToUTF16;
using base::WideToUTF16;

#define EXPECT_STR_EQ(ascii, utf16) EXPECT_EQ(ASCIIToUTF16(ascii), utf16)

namespace {

const base::char16 kHebrewLetterSamekh = 0x05E1;

// A Textfield wrapper to intercept OnKey[Pressed|Released]() ressults.
class TestTextfield : public views::Textfield {
 public:
  TestTextfield() : Textfield(), key_handled_(false), key_received_(false) {}

  virtual bool OnKeyPressed(const ui::KeyEvent& e) OVERRIDE {
    key_received_ = true;
    key_handled_ = views::Textfield::OnKeyPressed(e);
    return key_handled_;
  }

  virtual bool OnKeyReleased(const ui::KeyEvent& e) OVERRIDE {
    key_received_ = true;
    key_handled_ = views::Textfield::OnKeyReleased(e);
    return key_handled_;
  }

  bool key_handled() const { return key_handled_; }
  bool key_received() const { return key_received_; }

  void clear() { key_received_ = key_handled_ = false; }

 private:
  bool key_handled_;
  bool key_received_;

  DISALLOW_COPY_AND_ASSIGN(TestTextfield);
};

// A helper class for use with ui::TextInputClient::GetTextFromRange().
class GetTextHelper {
 public:
  GetTextHelper() {}

  void set_text(const base::string16& text) { text_ = text; }
  const base::string16& text() const { return text_; }

 private:
  base::string16 text_;

  DISALLOW_COPY_AND_ASSIGN(GetTextHelper);
};

// Convenience to make constructing a GestureEvent simpler.
class GestureEventForTest : public ui::GestureEvent {
 public:
  GestureEventForTest(ui::EventType type, int x, int y, float delta_x,
                      float delta_y)
      : GestureEvent(type, x, y, 0, base::TimeDelta(),
                     ui::GestureEventDetails(type, delta_x, delta_y), 0) {
  }

 private:
  DISALLOW_COPY_AND_ASSIGN(GestureEventForTest);
};

base::string16 GetClipboardText(ui::ClipboardType type) {
  base::string16 text;
  ui::Clipboard::GetForCurrentThread()->ReadText(type, &text);
  return text;
}

void SetClipboardText(ui::ClipboardType type, const std::string& text) {
  ui::ScopedClipboardWriter(ui::Clipboard::GetForCurrentThread(), type)
      .WriteText(ASCIIToUTF16(text));
}

}  // namespace

namespace views {

class TextfieldTest : public ViewsTestBase, public TextfieldController {
 public:
  TextfieldTest()
      : widget_(NULL),
        textfield_(NULL),
        model_(NULL),
        input_method_(NULL),
        on_before_user_action_(0),
        on_after_user_action_(0) {
  }

  // ::testing::Test:
  virtual void SetUp() {
    ViewsTestBase::SetUp();
  }

  virtual void TearDown() {
    if (widget_)
      widget_->Close();
    ViewsTestBase::TearDown();
  }

  // TextfieldController:
  virtual void ContentsChanged(Textfield* sender,
                               const base::string16& new_contents) OVERRIDE {
    // Paste calls TextfieldController::ContentsChanged() explicitly even if the
    // paste action did not change the content. So |new_contents| may match
    // |last_contents_|. For more info, see http://crbug.com/79002
    last_contents_ = new_contents;
  }

  virtual bool HandleKeyEvent(Textfield* sender,
                              const ui::KeyEvent& key_event) OVERRIDE {
    // TODO(oshima): figure out how to test the keystroke.
    return false;
  }

  virtual void OnBeforeUserAction(Textfield* sender) OVERRIDE {
    ++on_before_user_action_;
  }

  virtual void OnAfterUserAction(Textfield* sender) OVERRIDE {
    ++on_after_user_action_;
  }

  void InitTextfield() {
    InitTextfields(1);
  }

  void InitTextfields(int count) {
    ASSERT_FALSE(textfield_);
    textfield_ = new TestTextfield();
    textfield_->set_controller(this);
    widget_ = new Widget();
    Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
    params.bounds = gfx::Rect(100, 100, 100, 100);
    widget_->Init(params);
    View* container = new View();
    widget_->SetContentsView(container);
    container->AddChildView(textfield_);
    textfield_->SetBoundsRect(params.bounds);
    textfield_->set_id(1);

    for (int i = 1; i < count; i++) {
      Textfield* textfield = new Textfield();
      container->AddChildView(textfield);
      textfield->set_id(i + 1);
    }

    model_ = textfield_->model_.get();
    model_->ClearEditHistory();

    input_method_ = new MockInputMethod();
    widget_->ReplaceInputMethod(input_method_);

    // Activate the widget and focus the textfield for input handling.
    widget_->Activate();
    textfield_->RequestFocus();
  }

  ui::MenuModel* GetContextMenuModel() {
    textfield_->UpdateContextMenu();
    return textfield_->context_menu_contents_.get();
  }

  ui::TouchSelectionController* GetTouchSelectionController() {
    return textfield_->touch_selection_controller_.get();
  }

 protected:
  void SendKeyEvent(ui::KeyboardCode key_code,
                    bool alt,
                    bool shift,
                    bool control,
                    bool caps_lock) {
    int flags = (alt ? ui::EF_ALT_DOWN : 0) |
                (shift ? ui::EF_SHIFT_DOWN : 0) |
                (control ? ui::EF_CONTROL_DOWN : 0) |
                (caps_lock ? ui::EF_CAPS_LOCK_DOWN : 0);
    ui::KeyEvent event(ui::ET_KEY_PRESSED, key_code, flags, false);
    input_method_->DispatchKeyEvent(event);
  }

  void SendKeyEvent(ui::KeyboardCode key_code, bool shift, bool control) {
    SendKeyEvent(key_code, false, shift, control, false);
  }

  void SendKeyEvent(ui::KeyboardCode key_code) {
    SendKeyEvent(key_code, false, false);
  }

  void SendKeyEvent(base::char16 ch) {
    if (ch < 0x80) {
      ui::KeyboardCode code =
          ch == ' ' ? ui::VKEY_SPACE :
          static_cast<ui::KeyboardCode>(ui::VKEY_A + ch - 'a');
      SendKeyEvent(code);
    } else {
      ui::KeyEvent event(ui::ET_KEY_PRESSED, ui::VKEY_UNKNOWN, 0, false);
      event.set_character(ch);
      input_method_->DispatchKeyEvent(event);
    }
  }

  View* GetFocusedView() {
    return widget_->GetFocusManager()->GetFocusedView();
  }

  int GetCursorPositionX(int cursor_pos) {
    return textfield_->GetRenderText()->GetCursorBounds(
        gfx::SelectionModel(cursor_pos, gfx::CURSOR_FORWARD), false).x();
  }

  // Get the current cursor bounds.
  gfx::Rect GetCursorBounds() {
    return textfield_->GetRenderText()->GetUpdatedCursorBounds();
  }

  // Get the cursor bounds of |sel|.
  gfx::Rect GetCursorBounds(const gfx::SelectionModel& sel) {
    return textfield_->GetRenderText()->GetCursorBounds(sel, true);
  }

  gfx::Rect GetDisplayRect() {
    return textfield_->GetRenderText()->display_rect();
  }

  // Mouse click on the point whose x-axis is |bound|'s x plus |x_offset| and
  // y-axis is in the middle of |bound|'s vertical range.
  void MouseClick(const gfx::Rect bound, int x_offset) {
    gfx::Point point(bound.x() + x_offset, bound.y() + bound.height() / 2);
    ui::MouseEvent click(ui::ET_MOUSE_PRESSED, point, point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
    textfield_->OnMousePressed(click);
    ui::MouseEvent release(ui::ET_MOUSE_RELEASED, point, point,
                           ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
    textfield_->OnMouseReleased(release);
  }

  // This is to avoid double/triple click.
  void NonClientMouseClick() {
    ui::MouseEvent click(ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
                         ui::EF_LEFT_MOUSE_BUTTON | ui::EF_IS_NON_CLIENT,
                         ui::EF_LEFT_MOUSE_BUTTON);
    textfield_->OnMousePressed(click);
    ui::MouseEvent release(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(),
                           ui::EF_LEFT_MOUSE_BUTTON | ui::EF_IS_NON_CLIENT,
                           ui::EF_LEFT_MOUSE_BUTTON);
    textfield_->OnMouseReleased(release);
  }

  void VerifyTextfieldContextMenuContents(bool textfield_has_selection,
                                          bool can_undo,
                                          ui::MenuModel* menu) {
    EXPECT_EQ(can_undo, menu->IsEnabledAt(0 /* UNDO */));
    EXPECT_TRUE(menu->IsEnabledAt(1 /* Separator */));
    EXPECT_EQ(textfield_has_selection, menu->IsEnabledAt(2 /* CUT */));
    EXPECT_EQ(textfield_has_selection, menu->IsEnabledAt(3 /* COPY */));
    EXPECT_NE(GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE).empty(),
              menu->IsEnabledAt(4 /* PASTE */));
    EXPECT_EQ(textfield_has_selection, menu->IsEnabledAt(5 /* DELETE */));
    EXPECT_TRUE(menu->IsEnabledAt(6 /* Separator */));
    EXPECT_TRUE(menu->IsEnabledAt(7 /* SELECT ALL */));
  }

  // We need widget to populate wrapper class.
  Widget* widget_;

  TestTextfield* textfield_;
  TextfieldModel* model_;

  // The string from Controller::ContentsChanged callback.
  base::string16 last_contents_;

  // For testing input method related behaviors.
  MockInputMethod* input_method_;

  // Indicates how many times OnBeforeUserAction() is called.
  int on_before_user_action_;

  // Indicates how many times OnAfterUserAction() is called.
  int on_after_user_action_;

 private:
  DISALLOW_COPY_AND_ASSIGN(TextfieldTest);
};

TEST_F(TextfieldTest, ModelChangesTest) {
  InitTextfield();

  // TextfieldController::ContentsChanged() shouldn't be called when changing
  // text programmatically.
  last_contents_.clear();
  textfield_->SetText(ASCIIToUTF16("this is"));

  EXPECT_STR_EQ("this is", model_->text());
  EXPECT_STR_EQ("this is", textfield_->text());
  EXPECT_TRUE(last_contents_.empty());

  textfield_->AppendText(ASCIIToUTF16(" a test"));
  EXPECT_STR_EQ("this is a test", model_->text());
  EXPECT_STR_EQ("this is a test", textfield_->text());
  EXPECT_TRUE(last_contents_.empty());

  EXPECT_EQ(base::string16(), textfield_->GetSelectedText());
  textfield_->SelectAll(false);
  EXPECT_STR_EQ("this is a test", textfield_->GetSelectedText());
  EXPECT_TRUE(last_contents_.empty());
}

TEST_F(TextfieldTest, KeyTest) {
  InitTextfield();
  // Event flags:  key,    alt,   shift, ctrl,  caps-lock.
  SendKeyEvent(ui::VKEY_T, false, true,  false, false);
  SendKeyEvent(ui::VKEY_E, false, false, false, false);
  SendKeyEvent(ui::VKEY_X, false, true,  false, true);
  SendKeyEvent(ui::VKEY_T, false, false, false, true);
  SendKeyEvent(ui::VKEY_1, false, true,  false, false);
  SendKeyEvent(ui::VKEY_1, false, false, false, false);
  SendKeyEvent(ui::VKEY_1, false, true,  false, true);
  SendKeyEvent(ui::VKEY_1, false, false, false, true);
  EXPECT_STR_EQ("TexT!1!1", textfield_->text());
}

TEST_F(TextfieldTest, ControlAndSelectTest) {
  // Insert a test string in a textfield.
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("one two three"));
  SendKeyEvent(ui::VKEY_HOME,  false /* shift */, false /* control */);
  SendKeyEvent(ui::VKEY_RIGHT, true, false);
  SendKeyEvent(ui::VKEY_RIGHT, true, false);
  SendKeyEvent(ui::VKEY_RIGHT, true, false);

  EXPECT_STR_EQ("one", textfield_->GetSelectedText());

  // Test word select.
  SendKeyEvent(ui::VKEY_RIGHT, true, true);
  EXPECT_STR_EQ("one two", textfield_->GetSelectedText());
  SendKeyEvent(ui::VKEY_RIGHT, true, true);
  EXPECT_STR_EQ("one two three", textfield_->GetSelectedText());
  SendKeyEvent(ui::VKEY_LEFT, true, true);
  EXPECT_STR_EQ("one two ", textfield_->GetSelectedText());
  SendKeyEvent(ui::VKEY_LEFT, true, true);
  EXPECT_STR_EQ("one ", textfield_->GetSelectedText());

  // Replace the selected text.
  SendKeyEvent(ui::VKEY_Z, true, false);
  SendKeyEvent(ui::VKEY_E, true, false);
  SendKeyEvent(ui::VKEY_R, true, false);
  SendKeyEvent(ui::VKEY_O, true, false);
  SendKeyEvent(ui::VKEY_SPACE, false, false);
  EXPECT_STR_EQ("ZERO two three", textfield_->text());

  SendKeyEvent(ui::VKEY_END, true, false);
  EXPECT_STR_EQ("two three", textfield_->GetSelectedText());
  SendKeyEvent(ui::VKEY_HOME, true, false);
  EXPECT_STR_EQ("ZERO ", textfield_->GetSelectedText());
}

TEST_F(TextfieldTest, InsertionDeletionTest) {
  // Insert a test string in a textfield.
  InitTextfield();
  for (size_t i = 0; i < 10; i++)
    SendKeyEvent(static_cast<ui::KeyboardCode>(ui::VKEY_A + i));
  EXPECT_STR_EQ("abcdefghij", textfield_->text());

  // Test the delete and backspace keys.
  textfield_->SelectRange(gfx::Range(5));
  for (int i = 0; i < 3; i++)
    SendKeyEvent(ui::VKEY_BACK);
  EXPECT_STR_EQ("abfghij", textfield_->text());
  for (int i = 0; i < 3; i++)
    SendKeyEvent(ui::VKEY_DELETE);
  EXPECT_STR_EQ("abij", textfield_->text());

  // Select all and replace with "k".
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_K);
  EXPECT_STR_EQ("k", textfield_->text());

  // Delete the previous word from cursor.
  textfield_->SetText(ASCIIToUTF16("one two three four"));
  SendKeyEvent(ui::VKEY_END);
  SendKeyEvent(ui::VKEY_BACK, false, false, true, false);
  EXPECT_STR_EQ("one two three ", textfield_->text());

  // Delete to a line break on Linux and ChromeOS, to a word break on Windows.
  SendKeyEvent(ui::VKEY_LEFT, false, false, true, false);
  SendKeyEvent(ui::VKEY_BACK, false, true, true, false);
#if defined(OS_LINUX)
  EXPECT_STR_EQ("three ", textfield_->text());
#else
  EXPECT_STR_EQ("one three ", textfield_->text());
#endif

  // Delete the next word from cursor.
  textfield_->SetText(ASCIIToUTF16("one two three four"));
  SendKeyEvent(ui::VKEY_HOME);
  SendKeyEvent(ui::VKEY_DELETE, false, false, true, false);
  EXPECT_STR_EQ(" two three four", textfield_->text());

  // Delete to a line break on Linux and ChromeOS, to a word break on Windows.
  SendKeyEvent(ui::VKEY_RIGHT, false, false, true, false);
  SendKeyEvent(ui::VKEY_DELETE, false, true, true, false);
#if defined(OS_LINUX)
  EXPECT_STR_EQ(" two", textfield_->text());
#else
  EXPECT_STR_EQ(" two four", textfield_->text());
#endif
}

TEST_F(TextfieldTest, PasswordTest) {
  InitTextfield();
  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_PASSWORD, textfield_->GetTextInputType());
  EXPECT_TRUE(textfield_->enabled());
  EXPECT_TRUE(textfield_->IsFocusable());

  last_contents_.clear();
  textfield_->SetText(ASCIIToUTF16("password"));
  // Ensure text() and the callback returns the actual text instead of "*".
  EXPECT_STR_EQ("password", textfield_->text());
  EXPECT_TRUE(last_contents_.empty());
  model_->SelectAll(false);
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "foo");

  // Cut and copy should be disabled.
  EXPECT_FALSE(textfield_->IsCommandIdEnabled(IDS_APP_CUT));
  textfield_->ExecuteCommand(IDS_APP_CUT, 0);
  SendKeyEvent(ui::VKEY_X, false, true);
  EXPECT_FALSE(textfield_->IsCommandIdEnabled(IDS_APP_COPY));
  textfield_->ExecuteCommand(IDS_APP_COPY, 0);
  SendKeyEvent(ui::VKEY_C, false, true);
  SendKeyEvent(ui::VKEY_INSERT, false, true);
  EXPECT_STR_EQ("foo", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("password", textfield_->text());
  // [Shift]+[Delete] should just delete without copying text to the clipboard.
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_DELETE, true, false);

  // Paste should work normally.
  EXPECT_TRUE(textfield_->IsCommandIdEnabled(IDS_APP_PASTE));
  textfield_->ExecuteCommand(IDS_APP_PASTE, 0);
  SendKeyEvent(ui::VKEY_V, false, true);
  SendKeyEvent(ui::VKEY_INSERT, true, false);
  EXPECT_STR_EQ("foo", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("foofoofoo", textfield_->text());
}

TEST_F(TextfieldTest, TextInputType) {
  InitTextfield();

  // Defaults to TEXT
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, textfield_->GetTextInputType());

  // And can be set.
  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_URL);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_URL, textfield_->GetTextInputType());
  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_PASSWORD, textfield_->GetTextInputType());

  // Readonly textfields have type NONE
  textfield_->SetReadOnly(true);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_NONE, textfield_->GetTextInputType());

  textfield_->SetReadOnly(false);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_PASSWORD, textfield_->GetTextInputType());

  // As do disabled textfields
  textfield_->SetEnabled(false);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_NONE, textfield_->GetTextInputType());

  textfield_->SetEnabled(true);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_PASSWORD, textfield_->GetTextInputType());
}

TEST_F(TextfieldTest, OnKeyPressReturnValueTest) {
  InitTextfield();

  // Character keys are handled by the input method.
  SendKeyEvent(ui::VKEY_A);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_FALSE(textfield_->key_handled());
  textfield_->clear();

  // Arrow keys and home/end are handled by the textfield.
  SendKeyEvent(ui::VKEY_LEFT);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_TRUE(textfield_->key_handled());
  textfield_->clear();

  SendKeyEvent(ui::VKEY_RIGHT);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_TRUE(textfield_->key_handled());
  textfield_->clear();

  SendKeyEvent(ui::VKEY_HOME);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_TRUE(textfield_->key_handled());
  textfield_->clear();

  SendKeyEvent(ui::VKEY_END);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_TRUE(textfield_->key_handled());
  textfield_->clear();

  // F24, up/down key won't be handled.
  SendKeyEvent(ui::VKEY_F24);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_FALSE(textfield_->key_handled());
  textfield_->clear();

  SendKeyEvent(ui::VKEY_UP);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_FALSE(textfield_->key_handled());
  textfield_->clear();

  SendKeyEvent(ui::VKEY_DOWN);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_FALSE(textfield_->key_handled());
  textfield_->clear();
}

TEST_F(TextfieldTest, CursorMovement) {
  InitTextfield();

  // Test with trailing whitespace.
  textfield_->SetText(ASCIIToUTF16("one two hre "));

  // Send the cursor at the end.
  SendKeyEvent(ui::VKEY_END);

  // Ctrl+Left should move the cursor just before the last word.
  SendKeyEvent(ui::VKEY_LEFT, false, true);
  SendKeyEvent(ui::VKEY_T);
  EXPECT_STR_EQ("one two thre ", textfield_->text());
  EXPECT_STR_EQ("one two thre ", last_contents_);

  // Ctrl+Right should move the cursor to the end of the last word.
  SendKeyEvent(ui::VKEY_RIGHT, false, true);
  SendKeyEvent(ui::VKEY_E);
  EXPECT_STR_EQ("one two three ", textfield_->text());
  EXPECT_STR_EQ("one two three ", last_contents_);

  // Ctrl+Right again should move the cursor to the end.
  SendKeyEvent(ui::VKEY_RIGHT, false, true);
  SendKeyEvent(ui::VKEY_BACK);
  EXPECT_STR_EQ("one two three", textfield_->text());
  EXPECT_STR_EQ("one two three", last_contents_);

  // Test with leading whitespace.
  textfield_->SetText(ASCIIToUTF16(" ne two"));

  // Send the cursor at the beginning.
  SendKeyEvent(ui::VKEY_HOME);

  // Ctrl+Right, then Ctrl+Left should move the cursor to the beginning of the
  // first word.
  SendKeyEvent(ui::VKEY_RIGHT, false, true);
  SendKeyEvent(ui::VKEY_LEFT, false, true);
  SendKeyEvent(ui::VKEY_O);
  EXPECT_STR_EQ(" one two", textfield_->text());
  EXPECT_STR_EQ(" one two", last_contents_);

  // Ctrl+Left to move the cursor to the beginning of the first word.
  SendKeyEvent(ui::VKEY_LEFT, false, true);
  // Ctrl+Left again should move the cursor back to the very beginning.
  SendKeyEvent(ui::VKEY_LEFT, false, true);
  SendKeyEvent(ui::VKEY_DELETE);
  EXPECT_STR_EQ("one two", textfield_->text());
  EXPECT_STR_EQ("one two", last_contents_);
}

TEST_F(TextfieldTest, FocusTraversalTest) {
  InitTextfields(3);
  textfield_->RequestFocus();

  EXPECT_EQ(1, GetFocusedView()->id());
  widget_->GetFocusManager()->AdvanceFocus(false);
  EXPECT_EQ(2, GetFocusedView()->id());
  widget_->GetFocusManager()->AdvanceFocus(false);
  EXPECT_EQ(3, GetFocusedView()->id());
  // Cycle back to the first textfield.
  widget_->GetFocusManager()->AdvanceFocus(false);
  EXPECT_EQ(1, GetFocusedView()->id());

  widget_->GetFocusManager()->AdvanceFocus(true);
  EXPECT_EQ(3, GetFocusedView()->id());
  widget_->GetFocusManager()->AdvanceFocus(true);
  EXPECT_EQ(2, GetFocusedView()->id());
  widget_->GetFocusManager()->AdvanceFocus(true);
  EXPECT_EQ(1, GetFocusedView()->id());
  // Cycle back to the last textfield.
  widget_->GetFocusManager()->AdvanceFocus(true);
  EXPECT_EQ(3, GetFocusedView()->id());

  // Request focus should still work.
  textfield_->RequestFocus();
  EXPECT_EQ(1, GetFocusedView()->id());

  // Test if clicking on textfield view sets the focus.
  widget_->GetFocusManager()->AdvanceFocus(true);
  EXPECT_EQ(3, GetFocusedView()->id());
  ui::MouseEvent click(ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
                       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(click);
  EXPECT_EQ(1, GetFocusedView()->id());
}

TEST_F(TextfieldTest, ContextMenuDisplayTest) {
  InitTextfield();
  EXPECT_TRUE(textfield_->context_menu_controller());
  textfield_->SetText(ASCIIToUTF16("hello world"));
  ui::Clipboard::GetForCurrentThread()->Clear(ui::CLIPBOARD_TYPE_COPY_PASTE);
  textfield_->ClearEditHistory();
  EXPECT_TRUE(GetContextMenuModel());
  VerifyTextfieldContextMenuContents(false, false, GetContextMenuModel());

  textfield_->SelectAll(false);
  VerifyTextfieldContextMenuContents(true, false, GetContextMenuModel());

  SendKeyEvent(ui::VKEY_T);
  VerifyTextfieldContextMenuContents(false, true, GetContextMenuModel());

  textfield_->SelectAll(false);
  VerifyTextfieldContextMenuContents(true, true, GetContextMenuModel());

  // Exercise the "paste enabled?" check in the verifier.
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "Test");
  VerifyTextfieldContextMenuContents(true, true, GetContextMenuModel());
}

TEST_F(TextfieldTest, DoubleAndTripleClickTest) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));
  ui::MouseEvent click(ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
                       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  ui::MouseEvent release(ui::ET_MOUSE_RELEASED, gfx::Point(), gfx::Point(),
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  ui::MouseEvent double_click(
      ui::ET_MOUSE_PRESSED, gfx::Point(), gfx::Point(),
      ui::EF_LEFT_MOUSE_BUTTON | ui::EF_IS_DOUBLE_CLICK,
      ui::EF_LEFT_MOUSE_BUTTON);

  // Test for double click.
  textfield_->OnMousePressed(click);
  textfield_->OnMouseReleased(release);
  EXPECT_TRUE(textfield_->GetSelectedText().empty());
  textfield_->OnMousePressed(double_click);
  textfield_->OnMouseReleased(release);
  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());

  // Test for triple click.
  textfield_->OnMousePressed(click);
  textfield_->OnMouseReleased(release);
  EXPECT_STR_EQ("hello world", textfield_->GetSelectedText());

  // Another click should reset back to double click.
  textfield_->OnMousePressed(click);
  textfield_->OnMouseReleased(release);
  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());
}

TEST_F(TextfieldTest, DragToSelect) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));
  const int kStart = GetCursorPositionX(5);
  const int kEnd = 500;
  gfx::Point start_point(kStart, 0);
  gfx::Point end_point(kEnd, 0);
  ui::MouseEvent click_a(ui::ET_MOUSE_PRESSED, start_point, start_point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  ui::MouseEvent click_b(ui::ET_MOUSE_PRESSED, end_point, end_point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  ui::MouseEvent drag_left(ui::ET_MOUSE_DRAGGED, gfx::Point(), gfx::Point(),
                           ui::EF_LEFT_MOUSE_BUTTON, 0);
  ui::MouseEvent drag_right(ui::ET_MOUSE_DRAGGED, end_point, end_point,
                            ui::EF_LEFT_MOUSE_BUTTON, 0);
  ui::MouseEvent release(ui::ET_MOUSE_RELEASED, end_point, end_point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(click_a);
  EXPECT_TRUE(textfield_->GetSelectedText().empty());
  // Check that dragging left selects the beginning of the string.
  textfield_->OnMouseDragged(drag_left);
  base::string16 text_left = textfield_->GetSelectedText();
  EXPECT_STR_EQ("hello", text_left);
  // Check that dragging right selects the rest of the string.
  textfield_->OnMouseDragged(drag_right);
  base::string16 text_right = textfield_->GetSelectedText();
  EXPECT_STR_EQ(" world", text_right);
  // Check that releasing in the same location does not alter the selection.
  textfield_->OnMouseReleased(release);
  EXPECT_EQ(text_right, textfield_->GetSelectedText());
  // Check that dragging from beyond the text length works too.
  textfield_->OnMousePressed(click_b);
  textfield_->OnMouseDragged(drag_left);
  textfield_->OnMouseReleased(release);
  EXPECT_EQ(textfield_->text(), textfield_->GetSelectedText());
}

#if defined(OS_WIN)
TEST_F(TextfieldTest, DragAndDrop_AcceptDrop) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));

  ui::OSExchangeData data;
  base::string16 string(ASCIIToUTF16("string "));
  data.SetString(string);
  int formats = 0;
  std::set<OSExchangeData::CustomFormat> custom_formats;

  // Ensure that disabled textfields do not accept drops.
  textfield_->SetEnabled(false);
  EXPECT_FALSE(textfield_->GetDropFormats(&formats, &custom_formats));
  EXPECT_EQ(0, formats);
  EXPECT_TRUE(custom_formats.empty());
  EXPECT_FALSE(textfield_->CanDrop(data));
  textfield_->SetEnabled(true);

  // Ensure that read-only textfields do not accept drops.
  textfield_->SetReadOnly(true);
  EXPECT_FALSE(textfield_->GetDropFormats(&formats, &custom_formats));
  EXPECT_EQ(0, formats);
  EXPECT_TRUE(custom_formats.empty());
  EXPECT_FALSE(textfield_->CanDrop(data));
  textfield_->SetReadOnly(false);

  // Ensure that enabled and editable textfields do accept drops.
  EXPECT_TRUE(textfield_->GetDropFormats(&formats, &custom_formats));
  EXPECT_EQ(ui::OSExchangeData::STRING, formats);
  EXPECT_TRUE(custom_formats.empty());
  EXPECT_TRUE(textfield_->CanDrop(data));
  gfx::Point drop_point(GetCursorPositionX(6), 0);
  ui::DropTargetEvent drop(data, drop_point, drop_point,
      ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_MOVE);
  EXPECT_EQ(ui::DragDropTypes::DRAG_COPY | ui::DragDropTypes::DRAG_MOVE,
            textfield_->OnDragUpdated(drop));
  EXPECT_EQ(ui::DragDropTypes::DRAG_COPY, textfield_->OnPerformDrop(drop));
  EXPECT_STR_EQ("hello string world", textfield_->text());

  // Ensure that textfields do not accept non-OSExchangeData::STRING types.
  ui::OSExchangeData bad_data;
  bad_data.SetFilename(base::FilePath(FILE_PATH_LITERAL("x")));
  ui::OSExchangeData::CustomFormat fmt = ui::Clipboard::GetBitmapFormatType();
  bad_data.SetPickledData(fmt, Pickle());
  bad_data.SetFileContents(base::FilePath(L"x"), "x");
  bad_data.SetHtml(base::string16(ASCIIToUTF16("x")), GURL("x.org"));
  ui::OSExchangeData::DownloadFileInfo download(base::FilePath(), NULL);
  bad_data.SetDownloadFileInfo(download);
  EXPECT_FALSE(textfield_->CanDrop(bad_data));
}
#endif

TEST_F(TextfieldTest, DragAndDrop_InitiateDrag) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello string world"));

  // Ensure the textfield will provide selected text for drag data.
  base::string16 string;
  ui::OSExchangeData data;
  const gfx::Range kStringRange(6, 12);
  textfield_->SelectRange(kStringRange);
  const gfx::Point kStringPoint(GetCursorPositionX(9), 0);
  textfield_->WriteDragDataForView(NULL, kStringPoint, &data);
  EXPECT_TRUE(data.GetString(&string));
  EXPECT_EQ(textfield_->GetSelectedText(), string);

  // Ensure that disabled textfields do not support drag operations.
  textfield_->SetEnabled(false);
  EXPECT_EQ(ui::DragDropTypes::DRAG_NONE,
            textfield_->GetDragOperationsForView(NULL, kStringPoint));
  textfield_->SetEnabled(true);
  // Ensure that textfields without selections do not support drag operations.
  textfield_->ClearSelection();
  EXPECT_EQ(ui::DragDropTypes::DRAG_NONE,
            textfield_->GetDragOperationsForView(NULL, kStringPoint));
  textfield_->SelectRange(kStringRange);
  // Ensure that password textfields do not support drag operations.
  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  EXPECT_EQ(ui::DragDropTypes::DRAG_NONE,
            textfield_->GetDragOperationsForView(NULL, kStringPoint));
  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_TEXT);
  // Ensure that textfields only initiate drag operations inside the selection.
  ui::MouseEvent press_event(ui::ET_MOUSE_PRESSED, kStringPoint, kStringPoint,
                             ui::EF_LEFT_MOUSE_BUTTON,
                             ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(press_event);
  EXPECT_EQ(ui::DragDropTypes::DRAG_NONE,
            textfield_->GetDragOperationsForView(NULL, gfx::Point()));
  EXPECT_FALSE(textfield_->CanStartDragForView(NULL, gfx::Point(),
                                               gfx::Point()));
  EXPECT_EQ(ui::DragDropTypes::DRAG_COPY,
            textfield_->GetDragOperationsForView(NULL, kStringPoint));
  EXPECT_TRUE(textfield_->CanStartDragForView(NULL, kStringPoint,
                                              gfx::Point()));
  // Ensure that textfields support local moves.
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE | ui::DragDropTypes::DRAG_COPY,
      textfield_->GetDragOperationsForView(textfield_, kStringPoint));
}

TEST_F(TextfieldTest, DragAndDrop_ToTheRight) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));

  base::string16 string;
  ui::OSExchangeData data;
  int formats = 0;
  int operations = 0;
  std::set<OSExchangeData::CustomFormat> custom_formats;

  // Start dragging "ello".
  textfield_->SelectRange(gfx::Range(1, 5));
  gfx::Point point(GetCursorPositionX(3), 0);
  ui::MouseEvent click_a(ui::ET_MOUSE_PRESSED, point, point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(click_a);
  EXPECT_TRUE(textfield_->CanStartDragForView(textfield_, click_a.location(),
                                              gfx::Point()));
  operations = textfield_->GetDragOperationsForView(textfield_,
                                                    click_a.location());
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE | ui::DragDropTypes::DRAG_COPY,
            operations);
  textfield_->WriteDragDataForView(NULL, click_a.location(), &data);
  EXPECT_TRUE(data.GetString(&string));
  EXPECT_EQ(textfield_->GetSelectedText(), string);
  EXPECT_TRUE(textfield_->GetDropFormats(&formats, &custom_formats));
  EXPECT_EQ(ui::OSExchangeData::STRING, formats);
  EXPECT_TRUE(custom_formats.empty());

  // Drop "ello" after "w".
  const gfx::Point kDropPoint(GetCursorPositionX(7), 0);
  EXPECT_TRUE(textfield_->CanDrop(data));
  ui::DropTargetEvent drop_a(data, kDropPoint, kDropPoint, operations);
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE, textfield_->OnDragUpdated(drop_a));
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE, textfield_->OnPerformDrop(drop_a));
  EXPECT_STR_EQ("h welloorld", textfield_->text());
  textfield_->OnDragDone();

  // Undo/Redo the drag&drop change.
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("hello world", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("hello world", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("h welloorld", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("h welloorld", textfield_->text());
}

TEST_F(TextfieldTest, DragAndDrop_ToTheLeft) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));

  base::string16 string;
  ui::OSExchangeData data;
  int formats = 0;
  int operations = 0;
  std::set<OSExchangeData::CustomFormat> custom_formats;

  // Start dragging " worl".
  textfield_->SelectRange(gfx::Range(5, 10));
  gfx::Point point(GetCursorPositionX(7), 0);
  ui::MouseEvent click_a(ui::ET_MOUSE_PRESSED, point, point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(click_a);
  EXPECT_TRUE(textfield_->CanStartDragForView(textfield_, click_a.location(),
                                              gfx::Point()));
  operations = textfield_->GetDragOperationsForView(textfield_,
                                                    click_a.location());
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE | ui::DragDropTypes::DRAG_COPY,
            operations);
  textfield_->WriteDragDataForView(NULL, click_a.location(), &data);
  EXPECT_TRUE(data.GetString(&string));
  EXPECT_EQ(textfield_->GetSelectedText(), string);
  EXPECT_TRUE(textfield_->GetDropFormats(&formats, &custom_formats));
  EXPECT_EQ(ui::OSExchangeData::STRING, formats);
  EXPECT_TRUE(custom_formats.empty());

  // Drop " worl" after "h".
  EXPECT_TRUE(textfield_->CanDrop(data));
  gfx::Point drop_point(GetCursorPositionX(1), 0);
  ui::DropTargetEvent drop_a(data, drop_point, drop_point, operations);
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE, textfield_->OnDragUpdated(drop_a));
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE, textfield_->OnPerformDrop(drop_a));
  EXPECT_STR_EQ("h worlellod", textfield_->text());
  textfield_->OnDragDone();

  // Undo/Redo the drag&drop change.
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("hello world", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("hello world", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("h worlellod", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("h worlellod", textfield_->text());
}

TEST_F(TextfieldTest, DragAndDrop_Canceled) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));

  // Start dragging "worl".
  textfield_->SelectRange(gfx::Range(6, 10));
  gfx::Point point(GetCursorPositionX(8), 0);
  ui::MouseEvent click(ui::ET_MOUSE_PRESSED, point, point,
                       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(click);
  ui::OSExchangeData data;
  textfield_->WriteDragDataForView(NULL, click.location(), &data);
  EXPECT_TRUE(textfield_->CanDrop(data));
  // Drag the text over somewhere valid, outside the current selection.
  gfx::Point drop_point(GetCursorPositionX(2), 0);
  ui::DropTargetEvent drop(data, drop_point, drop_point,
                           ui::DragDropTypes::DRAG_MOVE);
  EXPECT_EQ(ui::DragDropTypes::DRAG_MOVE, textfield_->OnDragUpdated(drop));
  // "Cancel" the drag, via move and release over the selection, and OnDragDone.
  gfx::Point drag_point(GetCursorPositionX(9), 0);
  ui::MouseEvent drag(ui::ET_MOUSE_DRAGGED, drag_point, drag_point,
                      ui::EF_LEFT_MOUSE_BUTTON, 0);
  ui::MouseEvent release(ui::ET_MOUSE_RELEASED, drag_point, drag_point,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMouseDragged(drag);
  textfield_->OnMouseReleased(release);
  textfield_->OnDragDone();
  EXPECT_EQ(ASCIIToUTF16("hello world"), textfield_->text());
}

TEST_F(TextfieldTest, ReadOnlyTest) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("read only"));
  textfield_->SetReadOnly(true);
  EXPECT_TRUE(textfield_->enabled());
  EXPECT_TRUE(textfield_->IsFocusable());

  SendKeyEvent(ui::VKEY_HOME);
  EXPECT_EQ(0U, textfield_->GetCursorPosition());
  SendKeyEvent(ui::VKEY_END);
  EXPECT_EQ(9U, textfield_->GetCursorPosition());

  SendKeyEvent(ui::VKEY_LEFT, false, false);
  EXPECT_EQ(8U, textfield_->GetCursorPosition());
  SendKeyEvent(ui::VKEY_LEFT, false, true);
  EXPECT_EQ(5U, textfield_->GetCursorPosition());
  SendKeyEvent(ui::VKEY_LEFT, true, true);
  EXPECT_EQ(0U, textfield_->GetCursorPosition());
  EXPECT_STR_EQ("read ", textfield_->GetSelectedText());
  textfield_->SelectAll(false);
  EXPECT_STR_EQ("read only", textfield_->GetSelectedText());

  // Cut should be disabled.
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "Test");
  EXPECT_FALSE(textfield_->IsCommandIdEnabled(IDS_APP_CUT));
  textfield_->ExecuteCommand(IDS_APP_CUT, 0);
  SendKeyEvent(ui::VKEY_X, false, true);
  SendKeyEvent(ui::VKEY_DELETE, true, false);
  EXPECT_STR_EQ("Test", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("read only", textfield_->text());

  // Paste should be disabled.
  EXPECT_FALSE(textfield_->IsCommandIdEnabled(IDS_APP_PASTE));
  textfield_->ExecuteCommand(IDS_APP_PASTE, 0);
  SendKeyEvent(ui::VKEY_V, false, true);
  SendKeyEvent(ui::VKEY_INSERT, true, false);
  EXPECT_STR_EQ("read only", textfield_->text());

  // Copy should work normally.
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "Test");
  EXPECT_TRUE(textfield_->IsCommandIdEnabled(IDS_APP_COPY));
  textfield_->ExecuteCommand(IDS_APP_COPY, 0);
  EXPECT_STR_EQ("read only", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "Test");
  SendKeyEvent(ui::VKEY_C, false, true);
  EXPECT_STR_EQ("read only", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "Test");
  SendKeyEvent(ui::VKEY_INSERT, false, true);
  EXPECT_STR_EQ("read only", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));

  // SetText should work even in read only mode.
  textfield_->SetText(ASCIIToUTF16(" four five six "));
  EXPECT_STR_EQ(" four five six ", textfield_->text());

  textfield_->SelectAll(false);
  EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());

  // Text field is unmodifiable and selection shouldn't change.
  SendKeyEvent(ui::VKEY_DELETE);
  EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());
  SendKeyEvent(ui::VKEY_BACK);
  EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());
  SendKeyEvent(ui::VKEY_T);
  EXPECT_STR_EQ(" four five six ", textfield_->GetSelectedText());
}

TEST_F(TextfieldTest, TextInputClientTest) {
  InitTextfield();
  ui::TextInputClient* client = textfield_->GetTextInputClient();
  EXPECT_TRUE(client);
  EXPECT_EQ(ui::TEXT_INPUT_TYPE_TEXT, client->GetTextInputType());

  textfield_->SetText(ASCIIToUTF16("0123456789"));
  gfx::Range range;
  EXPECT_TRUE(client->GetTextRange(&range));
  EXPECT_EQ(0U, range.start());
  EXPECT_EQ(10U, range.end());

  EXPECT_TRUE(client->SetSelectionRange(gfx::Range(1, 4)));
  EXPECT_TRUE(client->GetSelectionRange(&range));
  EXPECT_EQ(gfx::Range(1, 4), range);

  // This code can't be compiled because of a bug in base::Callback.
#if 0
  GetTextHelper helper;
  base::Callback<void(base::string16)> callback =
      base::Bind(&GetTextHelper::set_text, base::Unretained(&helper));

  EXPECT_TRUE(client->GetTextFromRange(range, callback));
  EXPECT_STR_EQ("123", helper.text());
#endif

  EXPECT_TRUE(client->DeleteRange(range));
  EXPECT_STR_EQ("0456789", textfield_->text());

  ui::CompositionText composition;
  composition.text = UTF8ToUTF16("321");
  // Set composition through input method.
  input_method_->Clear();
  input_method_->SetCompositionTextForNextKey(composition);
  textfield_->clear();

  on_before_user_action_ = on_after_user_action_ = 0;
  SendKeyEvent(ui::VKEY_A);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_FALSE(textfield_->key_handled());
  EXPECT_TRUE(client->HasCompositionText());
  EXPECT_TRUE(client->GetCompositionTextRange(&range));
  EXPECT_STR_EQ("0321456789", textfield_->text());
  EXPECT_EQ(gfx::Range(1, 4), range);
  EXPECT_EQ(1, on_before_user_action_);
  EXPECT_EQ(1, on_after_user_action_);

  input_method_->SetResultTextForNextKey(UTF8ToUTF16("123"));
  on_before_user_action_ = on_after_user_action_ = 0;
  textfield_->clear();
  SendKeyEvent(ui::VKEY_A);
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_FALSE(textfield_->key_handled());
  EXPECT_FALSE(client->HasCompositionText());
  EXPECT_FALSE(input_method_->cancel_composition_called());
  EXPECT_STR_EQ("0123456789", textfield_->text());
  EXPECT_EQ(1, on_before_user_action_);
  EXPECT_EQ(1, on_after_user_action_);

  input_method_->Clear();
  input_method_->SetCompositionTextForNextKey(composition);
  textfield_->clear();
  SendKeyEvent(ui::VKEY_A);
  EXPECT_TRUE(client->HasCompositionText());
  EXPECT_STR_EQ("0123321456789", textfield_->text());

  on_before_user_action_ = on_after_user_action_ = 0;
  textfield_->clear();
  SendKeyEvent(ui::VKEY_RIGHT);
  EXPECT_FALSE(client->HasCompositionText());
  EXPECT_TRUE(input_method_->cancel_composition_called());
  EXPECT_TRUE(textfield_->key_received());
  EXPECT_TRUE(textfield_->key_handled());
  EXPECT_STR_EQ("0123321456789", textfield_->text());
  EXPECT_EQ(8U, textfield_->GetCursorPosition());
  EXPECT_EQ(1, on_before_user_action_);
  EXPECT_EQ(1, on_after_user_action_);

  textfield_->clear();
  textfield_->SetText(ASCIIToUTF16("0123456789"));
  EXPECT_TRUE(client->SetSelectionRange(gfx::Range(5, 5)));
  client->ExtendSelectionAndDelete(4, 2);
  EXPECT_STR_EQ("0789", textfield_->text());

  // On{Before,After}UserAction should be called by whatever user action
  // triggers clearing or setting a selection if appropriate.
  on_before_user_action_ = on_after_user_action_ = 0;
  textfield_->clear();
  textfield_->ClearSelection();
  textfield_->SelectAll(false);
  EXPECT_EQ(0, on_before_user_action_);
  EXPECT_EQ(0, on_after_user_action_);

  input_method_->Clear();
  textfield_->SetReadOnly(true);
  EXPECT_TRUE(input_method_->text_input_type_changed());
  EXPECT_FALSE(textfield_->GetTextInputClient());

  textfield_->SetReadOnly(false);
  input_method_->Clear();
  textfield_->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
  EXPECT_TRUE(input_method_->text_input_type_changed());
  EXPECT_TRUE(textfield_->GetTextInputClient());
}

TEST_F(TextfieldTest, UndoRedoTest) {
  InitTextfield();
  SendKeyEvent(ui::VKEY_A);
  EXPECT_STR_EQ("a", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("a", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("a", textfield_->text());

  // AppendText
  textfield_->AppendText(ASCIIToUTF16("b"));
  last_contents_.clear();  // AppendText doesn't call ContentsChanged.
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("a", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("ab", textfield_->text());

  // SetText
  SendKeyEvent(ui::VKEY_C);
  // Undo'ing append moves the cursor to the end for now.
  // A no-op SetText won't add a new edit; see TextfieldModel::SetText.
  EXPECT_STR_EQ("abc", textfield_->text());
  textfield_->SetText(ASCIIToUTF16("abc"));
  EXPECT_STR_EQ("abc", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("abc", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("abc", textfield_->text());
  textfield_->SetText(ASCIIToUTF16("123"));
  textfield_->SetText(ASCIIToUTF16("123"));
  EXPECT_STR_EQ("123", textfield_->text());
  SendKeyEvent(ui::VKEY_END, false, false);
  SendKeyEvent(ui::VKEY_4, false, false);
  EXPECT_STR_EQ("1234", textfield_->text());
  last_contents_.clear();
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("123", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  // the insert edit "c" and set edit "123" are merged to single edit,
  // so text becomes "ab" after undo.
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("a", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("123", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("1234", textfield_->text());

  // Undoing to the same text shouldn't call ContentsChanged.
  SendKeyEvent(ui::VKEY_A, false, true);  // select all
  SendKeyEvent(ui::VKEY_A);
  EXPECT_STR_EQ("a", textfield_->text());
  SendKeyEvent(ui::VKEY_B);
  SendKeyEvent(ui::VKEY_C);
  EXPECT_STR_EQ("abc", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("1234", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("abc", textfield_->text());

  // Delete/Backspace
  SendKeyEvent(ui::VKEY_BACK);
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_HOME);
  SendKeyEvent(ui::VKEY_DELETE);
  EXPECT_STR_EQ("b", textfield_->text());
  SendKeyEvent(ui::VKEY_A, false, true);
  SendKeyEvent(ui::VKEY_DELETE);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("b", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_Z, false, true);
  EXPECT_STR_EQ("abc", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("ab", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("b", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("", textfield_->text());
  SendKeyEvent(ui::VKEY_Y, false, true);
  EXPECT_STR_EQ("", textfield_->text());
}

TEST_F(TextfieldTest, CutCopyPaste) {
  InitTextfield();

  // Ensure IDS_APP_CUT cuts.
  textfield_->SetText(ASCIIToUTF16("123"));
  textfield_->SelectAll(false);
  EXPECT_TRUE(textfield_->IsCommandIdEnabled(IDS_APP_CUT));
  textfield_->ExecuteCommand(IDS_APP_CUT, 0);
  EXPECT_STR_EQ("123", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("", textfield_->text());

  // Ensure [Ctrl]+[x] cuts and [Ctrl]+[Alt][x] does nothing.
  textfield_->SetText(ASCIIToUTF16("456"));
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_X, true, false, true, false);
  EXPECT_STR_EQ("123", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("456", textfield_->text());
  SendKeyEvent(ui::VKEY_X, false, true);
  EXPECT_STR_EQ("456", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("", textfield_->text());

  // Ensure [Shift]+[Delete] cuts.
  textfield_->SetText(ASCIIToUTF16("123"));
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_DELETE, true, false);
  EXPECT_STR_EQ("123", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("", textfield_->text());

  // Ensure IDS_APP_COPY copies.
  textfield_->SetText(ASCIIToUTF16("789"));
  textfield_->SelectAll(false);
  EXPECT_TRUE(textfield_->IsCommandIdEnabled(IDS_APP_COPY));
  textfield_->ExecuteCommand(IDS_APP_COPY, 0);
  EXPECT_STR_EQ("789", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));

  // Ensure [Ctrl]+[c] copies and [Ctrl]+[Alt][c] does nothing.
  textfield_->SetText(ASCIIToUTF16("012"));
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_C, true, false, true, false);
  EXPECT_STR_EQ("789", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  SendKeyEvent(ui::VKEY_C, false, true);
  EXPECT_STR_EQ("012", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));

  // Ensure [Ctrl]+[Insert] copies.
  textfield_->SetText(ASCIIToUTF16("345"));
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_INSERT, false, true);
  EXPECT_STR_EQ("345", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("345", textfield_->text());

  // Ensure IDS_APP_PASTE, [Ctrl]+[V], and [Shift]+[Insert] pastes;
  // also ensure that [Ctrl]+[Alt]+[V] does nothing.
  SetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE, "abc");
  textfield_->SetText(base::string16());
  EXPECT_TRUE(textfield_->IsCommandIdEnabled(IDS_APP_PASTE));
  textfield_->ExecuteCommand(IDS_APP_PASTE, 0);
  EXPECT_STR_EQ("abc", textfield_->text());
  SendKeyEvent(ui::VKEY_V, false, true);
  EXPECT_STR_EQ("abcabc", textfield_->text());
  SendKeyEvent(ui::VKEY_INSERT, true, false);
  EXPECT_STR_EQ("abcabcabc", textfield_->text());
  SendKeyEvent(ui::VKEY_V, true, false, true, false);
  EXPECT_STR_EQ("abcabcabc", textfield_->text());

  // Ensure [Ctrl]+[Shift]+[Insert] is a no-op.
  textfield_->SelectAll(false);
  SendKeyEvent(ui::VKEY_INSERT, true, true);
  EXPECT_STR_EQ("abc", GetClipboardText(ui::CLIPBOARD_TYPE_COPY_PASTE));
  EXPECT_STR_EQ("abcabcabc", textfield_->text());
}

TEST_F(TextfieldTest, OvertypeMode) {
  InitTextfield();
  // Overtype mode should be disabled (no-op [Insert]).
  textfield_->SetText(ASCIIToUTF16("2"));
  SendKeyEvent(ui::VKEY_HOME);
  SendKeyEvent(ui::VKEY_INSERT);
  SendKeyEvent(ui::VKEY_1, false, false);
  EXPECT_STR_EQ("12", textfield_->text());
}

TEST_F(TextfieldTest, TextCursorDisplayTest) {
  InitTextfield();
  // LTR-RTL string in LTR context.
  SendKeyEvent('a');
  EXPECT_STR_EQ("a", textfield_->text());
  int x = GetCursorBounds().x();
  int prev_x = x;

  SendKeyEvent('b');
  EXPECT_STR_EQ("ab", textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_LT(prev_x, x);
  prev_x = x;

  SendKeyEvent(0x05E1);
  EXPECT_EQ(WideToUTF16(L"ab\x05E1"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(prev_x, x);

  SendKeyEvent(0x05E2);
  EXPECT_EQ(WideToUTF16(L"ab\x05E1\x5E2"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(prev_x, x);

  // Clear text.
  SendKeyEvent(ui::VKEY_A, false, true);
  SendKeyEvent('\n');

  // RTL-LTR string in LTR context.
  SendKeyEvent(0x05E1);
  EXPECT_EQ(WideToUTF16(L"\x05E1"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(GetDisplayRect().x(), x);
  prev_x = x;

  SendKeyEvent(0x05E2);
  EXPECT_EQ(WideToUTF16(L"\x05E1\x05E2"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(prev_x, x);

  SendKeyEvent('a');
  EXPECT_EQ(WideToUTF16(L"\x05E1\x5E2" L"a"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_LT(prev_x, x);
  prev_x = x;

  SendKeyEvent('b');
  EXPECT_EQ(WideToUTF16(L"\x05E1\x5E2" L"ab"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_LT(prev_x, x);
}

TEST_F(TextfieldTest, TextCursorDisplayInRTLTest) {
  std::string locale = l10n_util::GetApplicationLocale("");
  base::i18n::SetICUDefaultLocale("he");

  InitTextfield();
  // LTR-RTL string in RTL context.
  SendKeyEvent('a');
  EXPECT_STR_EQ("a", textfield_->text());
  int x = GetCursorBounds().x();
  EXPECT_EQ(GetDisplayRect().right() - 1, x);
  int prev_x = x;

  SendKeyEvent('b');
  EXPECT_STR_EQ("ab", textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(prev_x, x);

  SendKeyEvent(0x05E1);
  EXPECT_EQ(WideToUTF16(L"ab\x05E1"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_GT(prev_x, x);
  prev_x = x;

  SendKeyEvent(0x05E2);
  EXPECT_EQ(WideToUTF16(L"ab\x05E1\x5E2"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_GT(prev_x, x);

  SendKeyEvent(ui::VKEY_A, false, true);
  SendKeyEvent('\n');

  // RTL-LTR string in RTL context.
  SendKeyEvent(0x05E1);
  EXPECT_EQ(WideToUTF16(L"\x05E1"), textfield_->text());
  x = GetCursorBounds().x();
  prev_x = x;

  SendKeyEvent(0x05E2);
  EXPECT_EQ(WideToUTF16(L"\x05E1\x05E2"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_GT(prev_x, x);
  prev_x = x;

  SendKeyEvent('a');
  EXPECT_EQ(WideToUTF16(L"\x05E1\x5E2" L"a"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(prev_x, x);
  prev_x = x;

  SendKeyEvent('b');
  EXPECT_EQ(WideToUTF16(L"\x05E1\x5E2" L"ab"), textfield_->text());
  x = GetCursorBounds().x();
  EXPECT_EQ(prev_x, x);

  // Reset locale.
  base::i18n::SetICUDefaultLocale(locale);
}

TEST_F(TextfieldTest, HitInsideTextAreaTest) {
  InitTextfield();
  textfield_->SetText(WideToUTF16(L"ab\x05E1\x5E2"));
  std::vector<gfx::Rect> cursor_bounds;

  // Save each cursor bound.
  gfx::SelectionModel sel(0, gfx::CURSOR_FORWARD);
  cursor_bounds.push_back(GetCursorBounds(sel));

  sel = gfx::SelectionModel(1, gfx::CURSOR_BACKWARD);
  gfx::Rect bound = GetCursorBounds(sel);
  sel = gfx::SelectionModel(1, gfx::CURSOR_FORWARD);
  EXPECT_EQ(bound.x(), GetCursorBounds(sel).x());
  cursor_bounds.push_back(bound);

  // Check that a cursor at the end of the Latin portion of the text is at the
  // same position as a cursor placed at the end of the RTL Hebrew portion.
  sel = gfx::SelectionModel(2, gfx::CURSOR_BACKWARD);
  bound = GetCursorBounds(sel);
  sel = gfx::SelectionModel(4, gfx::CURSOR_BACKWARD);
  EXPECT_EQ(bound.x(), GetCursorBounds(sel).x());
  cursor_bounds.push_back(bound);

  sel = gfx::SelectionModel(3, gfx::CURSOR_BACKWARD);
  bound = GetCursorBounds(sel);
  sel = gfx::SelectionModel(3, gfx::CURSOR_FORWARD);
  EXPECT_EQ(bound.x(), GetCursorBounds(sel).x());
  cursor_bounds.push_back(bound);

  sel = gfx::SelectionModel(2, gfx::CURSOR_FORWARD);
  bound = GetCursorBounds(sel);
  sel = gfx::SelectionModel(4, gfx::CURSOR_FORWARD);
  EXPECT_EQ(bound.x(), GetCursorBounds(sel).x());
  cursor_bounds.push_back(bound);

  // Expected cursor position when clicking left and right of each character.
  size_t cursor_pos_expected[] = {0, 1, 1, 2, 4, 3, 3, 2};

  int index = 0;
  for (int i = 0; i < static_cast<int>(cursor_bounds.size() - 1); ++i) {
    int half_width = (cursor_bounds[i + 1].x() - cursor_bounds[i].x()) / 2;
    MouseClick(cursor_bounds[i], half_width / 2);
    EXPECT_EQ(cursor_pos_expected[index++], textfield_->GetCursorPosition());

    // To avoid trigger double click. Not using sleep() since it takes longer
    // for the test to run if using sleep().
    NonClientMouseClick();

    MouseClick(cursor_bounds[i + 1], - (half_width / 2));
    EXPECT_EQ(cursor_pos_expected[index++], textfield_->GetCursorPosition());

    NonClientMouseClick();
  }
}

TEST_F(TextfieldTest, HitOutsideTextAreaTest) {
  InitTextfield();

  // LTR-RTL string in LTR context.
  textfield_->SetText(WideToUTF16(L"ab\x05E1\x5E2"));

  SendKeyEvent(ui::VKEY_HOME);
  gfx::Rect bound = GetCursorBounds();
  MouseClick(bound, -10);
  EXPECT_EQ(bound, GetCursorBounds());

  SendKeyEvent(ui::VKEY_END);
  bound = GetCursorBounds();
  MouseClick(bound, 10);
  EXPECT_EQ(bound, GetCursorBounds());

  NonClientMouseClick();

  // RTL-LTR string in LTR context.
  textfield_->SetText(WideToUTF16(L"\x05E1\x5E2" L"ab"));

  SendKeyEvent(ui::VKEY_HOME);
  bound = GetCursorBounds();
  MouseClick(bound, 10);
  EXPECT_EQ(bound, GetCursorBounds());

  SendKeyEvent(ui::VKEY_END);
  bound = GetCursorBounds();
  MouseClick(bound, -10);
  EXPECT_EQ(bound, GetCursorBounds());
}

TEST_F(TextfieldTest, HitOutsideTextAreaInRTLTest) {
  std::string locale = l10n_util::GetApplicationLocale("");
  base::i18n::SetICUDefaultLocale("he");

  InitTextfield();

  // RTL-LTR string in RTL context.
  textfield_->SetText(WideToUTF16(L"\x05E1\x5E2" L"ab"));
  SendKeyEvent(ui::VKEY_HOME);
  gfx::Rect bound = GetCursorBounds();
  MouseClick(bound, 10);
  EXPECT_EQ(bound, GetCursorBounds());

  SendKeyEvent(ui::VKEY_END);
  bound = GetCursorBounds();
  MouseClick(bound, -10);
  EXPECT_EQ(bound, GetCursorBounds());

  NonClientMouseClick();

  // LTR-RTL string in RTL context.
  textfield_->SetText(WideToUTF16(L"ab\x05E1\x5E2"));
  SendKeyEvent(ui::VKEY_HOME);
  bound = GetCursorBounds();
  MouseClick(bound, -10);
  EXPECT_EQ(bound, GetCursorBounds());

  SendKeyEvent(ui::VKEY_END);
  bound = GetCursorBounds();
  MouseClick(bound, 10);
  EXPECT_EQ(bound, GetCursorBounds());

  // Reset locale.
  base::i18n::SetICUDefaultLocale(locale);
}

TEST_F(TextfieldTest, OverflowTest) {
  InitTextfield();

  base::string16 str;
  for (int i = 0; i < 500; ++i)
    SendKeyEvent('a');
  SendKeyEvent(kHebrewLetterSamekh);
  EXPECT_TRUE(GetDisplayRect().Contains(GetCursorBounds()));

  // Test mouse pointing.
  MouseClick(GetCursorBounds(), -1);
  EXPECT_EQ(500U, textfield_->GetCursorPosition());

  // Clear text.
  SendKeyEvent(ui::VKEY_A, false, true);
  SendKeyEvent('\n');

  for (int i = 0; i < 500; ++i)
    SendKeyEvent(kHebrewLetterSamekh);
  SendKeyEvent('a');
  EXPECT_TRUE(GetDisplayRect().Contains(GetCursorBounds()));

  MouseClick(GetCursorBounds(), -1);
  EXPECT_EQ(501U, textfield_->GetCursorPosition());
}

TEST_F(TextfieldTest, OverflowInRTLTest) {
  std::string locale = l10n_util::GetApplicationLocale("");
  base::i18n::SetICUDefaultLocale("he");

  InitTextfield();

  base::string16 str;
  for (int i = 0; i < 500; ++i)
    SendKeyEvent('a');
  SendKeyEvent(kHebrewLetterSamekh);
  EXPECT_TRUE(GetDisplayRect().Contains(GetCursorBounds()));

  MouseClick(GetCursorBounds(), 1);
  EXPECT_EQ(501U, textfield_->GetCursorPosition());

  // Clear text.
  SendKeyEvent(ui::VKEY_A, false, true);
  SendKeyEvent('\n');

  for (int i = 0; i < 500; ++i)
    SendKeyEvent(kHebrewLetterSamekh);
  SendKeyEvent('a');
  EXPECT_TRUE(GetDisplayRect().Contains(GetCursorBounds()));

  MouseClick(GetCursorBounds(), 1);
  EXPECT_EQ(500U, textfield_->GetCursorPosition());

  // Reset locale.
  base::i18n::SetICUDefaultLocale(locale);
}

TEST_F(TextfieldTest, GetCompositionCharacterBoundsTest) {
  InitTextfield();

  base::string16 str;
  const uint32 char_count = 10UL;
  ui::CompositionText composition;
  composition.text = UTF8ToUTF16("0123456789");
  ui::TextInputClient* client = textfield_->GetTextInputClient();

  // Return false if there is no composition text.
  gfx::Rect rect;
  EXPECT_FALSE(client->GetCompositionCharacterBounds(0, &rect));

  // Get each character boundary by cursor.
  gfx::Rect char_rect_in_screen_coord[char_count];
  gfx::Rect prev_cursor = GetCursorBounds();
  for (uint32 i = 0; i < char_count; ++i) {
    composition.selection = gfx::Range(0, i+1);
    client->SetCompositionText(composition);
    EXPECT_TRUE(client->HasCompositionText()) << " i=" << i;
    gfx::Rect cursor_bounds = GetCursorBounds();
    gfx::Point top_left(prev_cursor.x(), prev_cursor.y());
    gfx::Point bottom_right(cursor_bounds.x(), prev_cursor.bottom());
    views::View::ConvertPointToScreen(textfield_, &top_left);
    views::View::ConvertPointToScreen(textfield_, &bottom_right);
    char_rect_in_screen_coord[i].set_origin(top_left);
    char_rect_in_screen_coord[i].set_width(bottom_right.x() - top_left.x());
    char_rect_in_screen_coord[i].set_height(bottom_right.y() - top_left.y());
    prev_cursor = cursor_bounds;
  }

  for (uint32 i = 0; i < char_count; ++i) {
    gfx::Rect actual_rect;
    EXPECT_TRUE(client->GetCompositionCharacterBounds(i, &actual_rect))
        << " i=" << i;
    EXPECT_EQ(char_rect_in_screen_coord[i], actual_rect) << " i=" << i;
  }

  // Return false if the index is out of range.
  EXPECT_FALSE(client->GetCompositionCharacterBounds(char_count, &rect));
  EXPECT_FALSE(client->GetCompositionCharacterBounds(char_count + 1, &rect));
  EXPECT_FALSE(client->GetCompositionCharacterBounds(char_count + 100, &rect));
}

TEST_F(TextfieldTest, GetCompositionCharacterBounds_ComplexText) {
  InitTextfield();

  const base::char16 kUtf16Chars[] = {
    // U+0020 SPACE
    0x0020,
    // U+1F408 (CAT) as surrogate pair
    0xd83d, 0xdc08,
    // U+5642 as Ideographic Variation Sequences
    0x5642, 0xDB40, 0xDD00,
    // U+260E (BLACK TELEPHONE) as Emoji Variation Sequences
    0x260E, 0xFE0F,
    // U+0020 SPACE
    0x0020,
  };
  const size_t kUtf16CharsCount = arraysize(kUtf16Chars);

  ui::CompositionText composition;
  composition.text.assign(kUtf16Chars, kUtf16Chars + kUtf16CharsCount);
  ui::TextInputClient* client = textfield_->GetTextInputClient();
  client->SetCompositionText(composition);

  // Make sure GetCompositionCharacterBounds never fails for index.
  gfx::Rect rects[kUtf16CharsCount];
  gfx::Rect prev_cursor = GetCursorBounds();
  for (uint32 i = 0; i < kUtf16CharsCount; ++i)
    EXPECT_TRUE(client->GetCompositionCharacterBounds(i, &rects[i]));

  // Here we might expect the following results but it actually depends on how
  // Uniscribe or HarfBuzz treats them with given font.
  // - rects[1] == rects[2]
  // - rects[3] == rects[4] == rects[5]
  // - rects[6] == rects[7]
}

// The word we select by double clicking should remain selected regardless of
// where we drag the mouse afterwards without releasing the left button.
TEST_F(TextfieldTest, KeepInitiallySelectedWord) {
  InitTextfield();

  textfield_->SetText(ASCIIToUTF16("abc def ghi"));

  textfield_->SelectRange(gfx::Range(5, 5));
  const gfx::Rect middle_cursor = GetCursorBounds();
  textfield_->SelectRange(gfx::Range(0, 0));
  const gfx::Point beginning = GetCursorBounds().origin();

  // Double click, but do not release the left button.
  MouseClick(middle_cursor, 0);
  const gfx::Point middle(middle_cursor.x(),
                          middle_cursor.y() + middle_cursor.height() / 2);
  ui::MouseEvent press_event(ui::ET_MOUSE_PRESSED, middle, middle,
                             ui::EF_LEFT_MOUSE_BUTTON,
                             ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(press_event);
  EXPECT_EQ(gfx::Range(4, 7), textfield_->GetSelectedRange());

  // Drag the mouse to the beginning of the textfield.
  ui::MouseEvent drag_event(ui::ET_MOUSE_DRAGGED, beginning, beginning,
                            ui::EF_LEFT_MOUSE_BUTTON, 0);
  textfield_->OnMouseDragged(drag_event);
  EXPECT_EQ(gfx::Range(7, 0), textfield_->GetSelectedRange());
}

#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
TEST_F(TextfieldTest, SelectionClipboard) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("0123"));
  gfx::Point point_1(GetCursorPositionX(1), 0);
  gfx::Point point_2(GetCursorPositionX(2), 0);
  gfx::Point point_3(GetCursorPositionX(3), 0);
  gfx::Point point_4(GetCursorPositionX(4), 0);

  // Text selected by the mouse should be placed on the selection clipboard.
  ui::MouseEvent press(ui::ET_MOUSE_PRESSED, point_1, point_1,
                       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(press);
  ui::MouseEvent drag(ui::ET_MOUSE_DRAGGED, point_3, point_3,
                      ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMouseDragged(drag);
  ui::MouseEvent release(ui::ET_MOUSE_RELEASED, point_3, point_3,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMouseReleased(release);
  EXPECT_EQ(gfx::Range(1, 3), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("12", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));

  // Select-all should update the selection clipboard.
  SendKeyEvent(ui::VKEY_A, false, true);
  EXPECT_EQ(gfx::Range(0, 4), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("0123", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));

  // Shift-click selection modifications should update the clipboard.
  NonClientMouseClick();
  ui::MouseEvent press_2(ui::ET_MOUSE_PRESSED, point_2, point_2,
                         ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  press_2.set_flags(press_2.flags() | ui::EF_SHIFT_DOWN);
  textfield_->OnMousePressed(press_2);
  ui::MouseEvent release_2(ui::ET_MOUSE_RELEASED, point_2, point_2,
                           ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMouseReleased(release_2);
  EXPECT_EQ(gfx::Range(0, 2), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("01", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));

  // Shift-Left/Right should update the selection clipboard.
  SendKeyEvent(ui::VKEY_RIGHT, true, false);
  EXPECT_STR_EQ("012", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));
  SendKeyEvent(ui::VKEY_LEFT, true, false);
  EXPECT_STR_EQ("01", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));
  SendKeyEvent(ui::VKEY_RIGHT, true, true);
  EXPECT_STR_EQ("0123", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));

  // Moving the cursor without a selection should not change the clipboard.
  SendKeyEvent(ui::VKEY_LEFT, false, false);
  EXPECT_EQ(gfx::Range(0, 0), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("0123", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));

  // Middle clicking should paste at the mouse (not cursor) location.
  ui::MouseEvent middle(ui::ET_MOUSE_PRESSED, point_4, point_4,
                        ui::EF_MIDDLE_MOUSE_BUTTON, ui::EF_MIDDLE_MOUSE_BUTTON);
  textfield_->OnMousePressed(middle);
  EXPECT_STR_EQ("01230123", textfield_->text());
  EXPECT_EQ(gfx::Range(0, 0), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("0123", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));

  // Middle click pasting should adjust trailing cursors.
  textfield_->SelectRange(gfx::Range(5, 5));
  textfield_->OnMousePressed(middle);
  EXPECT_STR_EQ("012301230123", textfield_->text());
  EXPECT_EQ(gfx::Range(9, 9), textfield_->GetSelectedRange());

  // Middle click pasting should adjust trailing selections.
  textfield_->SelectRange(gfx::Range(7, 9));
  textfield_->OnMousePressed(middle);
  EXPECT_STR_EQ("0123012301230123", textfield_->text());
  EXPECT_EQ(gfx::Range(11, 13), textfield_->GetSelectedRange());

  // Middle clicking in the selection should clear the clipboard and selection.
  textfield_->SelectRange(gfx::Range(2, 6));
  textfield_->OnMousePressed(middle);
  EXPECT_STR_EQ("0123012301230123", textfield_->text());
  EXPECT_EQ(gfx::Range(6, 6), textfield_->GetSelectedRange());
  EXPECT_TRUE(GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION).empty());

  // Double and triple clicking should update the clipboard contents.
  textfield_->SetText(ASCIIToUTF16("ab cd ef"));
  gfx::Point word(GetCursorPositionX(4), 0);
  ui::MouseEvent press_word(ui::ET_MOUSE_PRESSED, word, word,
                            ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(press_word);
  ui::MouseEvent release_word(ui::ET_MOUSE_RELEASED, word, word,
                              ui::EF_LEFT_MOUSE_BUTTON,
                              ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMouseReleased(release_word);
  ui::MouseEvent double_click(ui::ET_MOUSE_PRESSED, word, word,
                              ui::EF_LEFT_MOUSE_BUTTON | ui::EF_IS_DOUBLE_CLICK,
                              ui::EF_LEFT_MOUSE_BUTTON);
  textfield_->OnMousePressed(double_click);
  textfield_->OnMouseReleased(release_word);
  EXPECT_EQ(gfx::Range(3, 5), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("cd", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));
  textfield_->OnMousePressed(press_word);
  textfield_->OnMouseReleased(release_word);
  EXPECT_EQ(gfx::Range(0, 8), textfield_->GetSelectedRange());
  EXPECT_STR_EQ("ab cd ef", GetClipboardText(ui::CLIPBOARD_TYPE_SELECTION));
}
#endif

// Touch selection and dragging currently only works for chromeos.
#if defined(OS_CHROMEOS)
TEST_F(TextfieldTest, TouchSelectionAndDraggingTest) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));
  EXPECT_FALSE(GetTouchSelectionController());
  const int x = GetCursorPositionX(2);
  GestureEventForTest tap(ui::ET_GESTURE_TAP, x, 0, 1.0f, 0.0f);
  GestureEventForTest tap_down(ui::ET_GESTURE_TAP_DOWN, x, 0, 0.0f, 0.0f);
  GestureEventForTest long_press(ui::ET_GESTURE_LONG_PRESS, x, 0, 0.0f, 0.0f);
  CommandLine::ForCurrentProcess()->AppendSwitch(switches::kEnableTouchEditing);

  // Tapping on the textfield should turn on the TouchSelectionController.
  textfield_->OnGestureEvent(&tap);
  EXPECT_TRUE(GetTouchSelectionController());

  // Un-focusing the textfield should reset the TouchSelectionController
  textfield_->GetFocusManager()->ClearFocus();
  EXPECT_FALSE(GetTouchSelectionController());

  // With touch editing enabled, long press should not show context menu.
  // Instead, select word and invoke TouchSelectionController.
  textfield_->OnGestureEvent(&tap_down);
  textfield_->OnGestureEvent(&long_press);
  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());
  EXPECT_TRUE(GetTouchSelectionController());

  // With touch drag drop enabled, long pressing in the selected region should
  // start a drag and remove TouchSelectionController.
  ASSERT_TRUE(switches::IsTouchDragDropEnabled());
  textfield_->OnGestureEvent(&tap_down);
  textfield_->OnGestureEvent(&long_press);
  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());
  EXPECT_FALSE(GetTouchSelectionController());

  // After disabling touch drag drop, long pressing again in the selection
  // region should not do anything.
  CommandLine::ForCurrentProcess()->AppendSwitch(
      switches::kDisableTouchDragDrop);
  ASSERT_FALSE(switches::IsTouchDragDropEnabled());
  textfield_->OnGestureEvent(&tap_down);
  textfield_->OnGestureEvent(&long_press);
  EXPECT_STR_EQ("hello", textfield_->GetSelectedText());
  EXPECT_TRUE(GetTouchSelectionController());
  EXPECT_TRUE(long_press.handled());
}

TEST_F(TextfieldTest, TouchScrubbingSelection) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("hello world"));
  EXPECT_FALSE(GetTouchSelectionController());

  CommandLine::ForCurrentProcess()->AppendSwitch(switches::kEnableTouchEditing);

  // Simulate touch-scrubbing.
  int scrubbing_start = GetCursorPositionX(1);
  int scrubbing_end = GetCursorPositionX(6);

  GestureEventForTest tap_down(ui::ET_GESTURE_TAP_DOWN, scrubbing_start, 0,
                               0.0f, 0.0f);
  textfield_->OnGestureEvent(&tap_down);

  GestureEventForTest tap_cancel(ui::ET_GESTURE_TAP_CANCEL, scrubbing_start, 0,
                                 0.0f, 0.0f);
  textfield_->OnGestureEvent(&tap_cancel);

  GestureEventForTest scroll_begin(ui::ET_GESTURE_SCROLL_BEGIN, scrubbing_start,
                                   0, 0.0f, 0.0f);
  textfield_->OnGestureEvent(&scroll_begin);

  GestureEventForTest scroll_update(ui::ET_GESTURE_SCROLL_UPDATE, scrubbing_end,
                                    0, scrubbing_end - scrubbing_start, 0.0f);
  textfield_->OnGestureEvent(&scroll_update);

  GestureEventForTest scroll_end(ui::ET_GESTURE_SCROLL_END, scrubbing_end, 0,
                                 0.0f, 0.0f);
  textfield_->OnGestureEvent(&scroll_end);

  GestureEventForTest end(ui::ET_GESTURE_END, scrubbing_end, 0, 0.0f, 0.0f);
  textfield_->OnGestureEvent(&end);

  // In the end, part of text should have been selected and handles should have
  // appeared.
  EXPECT_STR_EQ("ello ", textfield_->GetSelectedText());
  EXPECT_TRUE(GetTouchSelectionController());
}
#endif

// Long_Press gesture in Textfield can initiate a drag and drop now.
TEST_F(TextfieldTest, TestLongPressInitiatesDragDrop) {
  InitTextfield();
  textfield_->SetText(ASCIIToUTF16("Hello string world"));

  // Ensure the textfield will provide selected text for drag data.
  textfield_->SelectRange(gfx::Range(6, 12));
  const gfx::Point kStringPoint(GetCursorPositionX(9), 0);

  // Enable touch-drag-drop to make long press effective.
  CommandLine::ForCurrentProcess()->AppendSwitch(
      switches::kEnableTouchDragDrop);

  // Create a long press event in the selected region should start a drag.
  GestureEventForTest long_press(ui::ET_GESTURE_LONG_PRESS, kStringPoint.x(),
                                 kStringPoint.y(), 0.0f, 0.0f);
  textfield_->OnGestureEvent(&long_press);
  EXPECT_TRUE(textfield_->CanStartDragForView(NULL, kStringPoint,
                                              kStringPoint));
}

TEST_F(TextfieldTest, GetTextfieldBaseline_FontFallbackTest) {
  InitTextfield();
  textfield_->SetText(UTF8ToUTF16("abc"));
  const int old_baseline = textfield_->GetBaseline();

  // Set text which may fall back to a font which has taller baseline than
  // the default font.
  textfield_->SetText(UTF8ToUTF16("\xE0\xB9\x91"));
  const int new_baseline = textfield_->GetBaseline();

  // Regardless of the text, the baseline must be the same.
  EXPECT_EQ(new_baseline, old_baseline);
}

}  // namespace views