Upstream version 5.34.104.0
[platform/framework/web/crosswalk.git] / src / ui / views / controls / combobox / combobox_unittest.cc
index cd9f4ff..d0fdd63 100644 (file)
@@ -6,35 +6,69 @@
 
 #include <set>
 
+#include "base/basictypes.h"
 #include "base/strings/utf_string_conversions.h"
+#include "ui/base/ime/text_input_client.h"
 #include "ui/base/models/combobox_model.h"
 #include "ui/events/event.h"
+#include "ui/events/event_constants.h"
 #include "ui/events/keycodes/keyboard_codes.h"
+#include "ui/views/controls/combobox/combobox_listener.h"
+#include "ui/views/controls/menu/menu_runner.h"
+#include "ui/views/controls/menu/menu_runner_handler.h"
 #include "ui/views/ime/mock_input_method.h"
+#include "ui/views/test/menu_runner_test_api.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/widget/widget.h"
 
+using base::ASCIIToUTF16;
+
+namespace views {
+
 namespace {
 
+// An dummy implementation of MenuRunnerHandler to check if the dropdown menu is
+// shown or not.
+class TestMenuRunnerHandler : public MenuRunnerHandler {
+ public:
+  TestMenuRunnerHandler() : executed_(false) {}
+
+  bool executed() const { return executed_; }
+
+  virtual MenuRunner::RunResult RunMenuAt(Widget* parent,
+                                          MenuButton* button,
+                                          const gfx::Rect& bounds,
+                                          MenuItemView::AnchorPosition anchor,
+                                          ui::MenuSourceType source_type,
+                                          int32 types) OVERRIDE {
+    executed_ = true;
+    return MenuRunner::NORMAL_EXIT;
+  }
+
+ private:
+  bool executed_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestMenuRunnerHandler);
+};
+
 // A wrapper of Combobox to intercept the result of OnKeyPressed() and
 // OnKeyReleased() methods.
-class TestCombobox : public views::Combobox {
+class TestCombobox : public Combobox {
  public:
   explicit TestCombobox(ui::ComboboxModel* model)
       : Combobox(model),
         key_handled_(false),
-        key_received_(false) {
-  }
+        key_received_(false) {}
 
   virtual bool OnKeyPressed(const ui::KeyEvent& e) OVERRIDE {
     key_received_ = true;
-    key_handled_ = views::Combobox::OnKeyPressed(e);
+    key_handled_ = Combobox::OnKeyPressed(e);
     return key_handled_;
   }
 
   virtual bool OnKeyReleased(const ui::KeyEvent& e) OVERRIDE {
     key_received_ = true;
-    key_handled_ = views::Combobox::OnKeyReleased(e);
+    key_handled_ = Combobox::OnKeyReleased(e);
     return key_handled_;
   }
 
@@ -62,9 +96,12 @@ class TestComboboxModel : public ui::ComboboxModel {
   virtual int GetItemCount() const OVERRIDE {
     return 10;
   }
-  virtual string16 GetItemAt(int index) OVERRIDE {
-    DCHECK(!IsItemSeparatorAt(index));
-    return ASCIIToUTF16(IsItemSeparatorAt(index) ? "SEPARATOR" : "ITEM");
+  virtual base::string16 GetItemAt(int index) OVERRIDE {
+    if (IsItemSeparatorAt(index)) {
+      NOTREACHED();
+      return ASCIIToUTF16("SEPARATOR");
+    }
+    return ASCIIToUTF16(index % 2 == 0 ? "PEANUT BUTTER" : "JELLY");
   }
   virtual bool IsItemSeparatorAt(int index) OVERRIDE {
     return separators_.find(index) != separators_.end();
@@ -80,13 +117,82 @@ class TestComboboxModel : public ui::ComboboxModel {
   DISALLOW_COPY_AND_ASSIGN(TestComboboxModel);
 };
 
-}  // namespace
+// A combobox model which refers to a vector.
+class VectorComboboxModel : public ui::ComboboxModel {
+ public:
+  explicit VectorComboboxModel(std::vector<std::string>* values)
+      : values_(values) {}
+  virtual ~VectorComboboxModel() {}
 
-namespace views {
+  // ui::ComboboxModel:
+  virtual int GetItemCount() const OVERRIDE {
+    return (int)values_->size();
+  }
+  virtual base::string16 GetItemAt(int index) OVERRIDE {
+    return ASCIIToUTF16(values_->at(index));
+  }
+  virtual bool IsItemSeparatorAt(int index) OVERRIDE {
+    return false;
+  }
+
+ private:
+  std::vector<std::string>* values_;
+};
+
+class EvilListener : public ComboboxListener {
+ public:
+  EvilListener() : deleted_(false) {}
+  virtual ~EvilListener() {};
+
+  // ComboboxListener:
+  virtual void OnPerformAction(Combobox* combobox) OVERRIDE {
+    delete combobox;
+    deleted_ = true;
+  }
+
+  bool deleted() const { return deleted_; }
+
+ private:
+  bool deleted_;
+
+  DISALLOW_COPY_AND_ASSIGN(EvilListener);
+};
+
+class TestComboboxListener : public views::ComboboxListener {
+ public:
+  TestComboboxListener() : perform_action_index_(-1), actions_performed_(0) {}
+  virtual ~TestComboboxListener() {}
+
+  virtual void OnPerformAction(views::Combobox* combobox) OVERRIDE {
+    perform_action_index_ = combobox->selected_index();
+    actions_performed_++;
+  }
+
+  int perform_action_index() const {
+    return perform_action_index_;
+  }
+
+  bool on_perform_action_called() const {
+    return actions_performed_ > 0;
+  }
+
+  int actions_performed() const {
+    return actions_performed_;
+  }
+
+ private:
+  int perform_action_index_;
+  int actions_performed_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestComboboxListener);
+};
+
+}  // namespace
 
 class ComboboxTest : public ViewsTestBase {
  public:
-  ComboboxTest() : widget_(NULL), combobox_(NULL), input_method_(NULL) {}
+  ComboboxTest() : widget_(NULL), combobox_(NULL) {}
 
   virtual void TearDown() OVERRIDE {
     if (widget_)
@@ -103,31 +209,48 @@ class ComboboxTest : public ViewsTestBase {
 
     widget_ = new Widget;
     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
-    params.bounds = gfx::Rect(100, 100, 100, 100);
+    params.bounds = gfx::Rect(200, 200, 200, 200);
     widget_->Init(params);
     View* container = new View();
     widget_->SetContentsView(container);
     container->AddChildView(combobox_);
 
-    input_method_ = new MockInputMethod();
-    widget_->ReplaceInputMethod(input_method_);
+    widget_->ReplaceInputMethod(new MockInputMethod);
 
     // Assumes the Widget is always focused.
-    input_method_->OnFocus();
+    widget_->GetInputMethod()->OnFocus();
 
     combobox_->RequestFocus();
+    combobox_->SizeToPreferredSize();
   }
 
  protected:
   void SendKeyEvent(ui::KeyboardCode key_code) {
-    ui::KeyEvent event(ui::ET_KEY_PRESSED, key_code, 0, false);
-    input_method_->DispatchKeyEvent(event);
+    SendKeyEventWithType(key_code, ui::ET_KEY_PRESSED);
+  }
+
+  void SendKeyEventWithType(ui::KeyboardCode key_code, ui::EventType type) {
+    ui::KeyEvent event(type, key_code, 0, false);
+    widget_->GetInputMethod()->DispatchKeyEvent(event);
   }
 
   View* GetFocusedView() {
     return widget_->GetFocusManager()->GetFocusedView();
   }
 
+  void PerformClick(const gfx::Point& point) {
+    ui::MouseEvent pressed_event = ui::MouseEvent(ui::ET_MOUSE_PRESSED, point,
+                                                  point,
+                                                  ui::EF_LEFT_MOUSE_BUTTON,
+                                                  ui::EF_LEFT_MOUSE_BUTTON);
+    widget_->OnMouseEvent(&pressed_event);
+    ui::MouseEvent released_event = ui::MouseEvent(ui::ET_MOUSE_RELEASED, point,
+                                                   point,
+                                                   ui::EF_LEFT_MOUSE_BUTTON,
+                                                   ui::EF_LEFT_MOUSE_BUTTON);
+    widget_->OnMouseEvent(&released_event);
+  }
+
   // We need widget to populate wrapper class.
   Widget* widget_;
 
@@ -136,9 +259,6 @@ class ComboboxTest : public ViewsTestBase {
 
   // Combobox does not take ownership of the model, hence it needs to be scoped.
   scoped_ptr<TestComboboxModel> model_;
-
-  // For testing input method related behaviors.
-  MockInputMethod* input_method_;
 };
 
 TEST_F(ComboboxTest, KeyTest) {
@@ -316,11 +436,239 @@ TEST_F(ComboboxTest, GetTextForRowTest) {
   separators.insert(9);
   model_->SetSeparators(separators);
   for (int i = 0; i < combobox_->GetRowCount(); ++i) {
-    if (separators.count(i) != 0)
+    if (separators.count(i) != 0) {
       EXPECT_TRUE(combobox_->GetTextForRow(i).empty()) << i;
-    else
-      EXPECT_EQ(ASCIIToUTF16("ITEM"), combobox_->GetTextForRow(i)) << i;
+    } else {
+      EXPECT_EQ(ASCIIToUTF16(i % 2 == 0 ? "PEANUT BUTTER" : "JELLY"),
+                combobox_->GetTextForRow(i)) << i;
+    }
   }
 }
 
+// Verifies selecting the first matching value (and returning whether found).
+TEST_F(ComboboxTest, SelectValue) {
+  InitCombobox();
+  ASSERT_EQ(model_->GetDefaultIndex(), combobox_->selected_index());
+  EXPECT_TRUE(combobox_->SelectValue(ASCIIToUTF16("PEANUT BUTTER")));
+  EXPECT_EQ(0, combobox_->selected_index());
+  EXPECT_TRUE(combobox_->SelectValue(ASCIIToUTF16("JELLY")));
+  EXPECT_EQ(1, combobox_->selected_index());
+  EXPECT_FALSE(combobox_->SelectValue(ASCIIToUTF16("BANANAS")));
+  EXPECT_EQ(1, combobox_->selected_index());
+
+  // With the action style, the selected index is always 0.
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  EXPECT_FALSE(combobox_->SelectValue(ASCIIToUTF16("PEANUT BUTTER")));
+  EXPECT_EQ(0, combobox_->selected_index());
+  EXPECT_FALSE(combobox_->SelectValue(ASCIIToUTF16("JELLY")));
+  EXPECT_EQ(0, combobox_->selected_index());
+  EXPECT_FALSE(combobox_->SelectValue(ASCIIToUTF16("BANANAS")));
+  EXPECT_EQ(0, combobox_->selected_index());
+}
+
+TEST_F(ComboboxTest, SelectIndexActionStyle) {
+  InitCombobox();
+
+  // With the action style, the selected index is always 0.
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  combobox_->SetSelectedIndex(1);
+  EXPECT_EQ(0, combobox_->selected_index());
+  combobox_->SetSelectedIndex(2);
+  EXPECT_EQ(0, combobox_->selected_index());
+  combobox_->SetSelectedIndex(3);
+  EXPECT_EQ(0, combobox_->selected_index());
+}
+
+TEST_F(ComboboxTest, ListenerHandlesDelete) {
+  TestComboboxModel model;
+
+  // |combobox| will be deleted on change.
+  TestCombobox* combobox = new TestCombobox(&model);
+  scoped_ptr<EvilListener> evil_listener(new EvilListener());
+  combobox->set_listener(evil_listener.get());
+  ASSERT_NO_FATAL_FAILURE(combobox->ExecuteCommand(2));
+  EXPECT_TRUE(evil_listener->deleted());
+
+  // With STYLE_ACTION
+  // |combobox| will be deleted on change.
+  combobox = new TestCombobox(&model);
+  evil_listener.reset(new EvilListener());
+  combobox->set_listener(evil_listener.get());
+  combobox->SetStyle(Combobox::STYLE_ACTION);
+  ASSERT_NO_FATAL_FAILURE(combobox->ExecuteCommand(2));
+  EXPECT_TRUE(evil_listener->deleted());
+}
+
+TEST_F(ComboboxTest, Click) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  combobox_->Layout();
+
+  // Click the left side. The menu is shown.
+  TestMenuRunnerHandler* test_menu_runner_handler = new TestMenuRunnerHandler();
+  scoped_ptr<MenuRunnerHandler> menu_runner_handler(test_menu_runner_handler);
+  test::MenuRunnerTestAPI test_api(
+      combobox_->dropdown_list_menu_runner_.get());
+  test_api.SetMenuRunnerHandler(menu_runner_handler.Pass());
+  PerformClick(gfx::Point(combobox_->x() + 1,
+                          combobox_->y() + combobox_->height() / 2));
+  EXPECT_FALSE(listener.on_perform_action_called());
+  EXPECT_TRUE(test_menu_runner_handler->executed());
+}
+
+TEST_F(ComboboxTest, NotifyOnClickWithReturnKey) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  // With STYLE_NORMAL, the click event is ignored.
+  SendKeyEvent(ui::VKEY_RETURN);
+  EXPECT_FALSE(listener.on_perform_action_called());
+
+  // With STYLE_ACTION, the click event is notified.
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  SendKeyEvent(ui::VKEY_RETURN);
+  EXPECT_TRUE(listener.on_perform_action_called());
+  EXPECT_EQ(0, listener.perform_action_index());
+}
+
+TEST_F(ComboboxTest, NotifyOnClickWithSpaceKey) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  // With STYLE_NORMAL, the click event is ignored.
+  SendKeyEvent(ui::VKEY_SPACE);
+  EXPECT_FALSE(listener.on_perform_action_called());
+  SendKeyEventWithType(ui::VKEY_SPACE, ui::ET_KEY_RELEASED);
+  EXPECT_FALSE(listener.on_perform_action_called());
+
+  // With STYLE_ACTION, the click event is notified after releasing.
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  SendKeyEvent(ui::VKEY_SPACE);
+  EXPECT_FALSE(listener.on_perform_action_called());
+  SendKeyEventWithType(ui::VKEY_SPACE, ui::ET_KEY_RELEASED);
+  EXPECT_TRUE(listener.on_perform_action_called());
+  EXPECT_EQ(0, listener.perform_action_index());
+}
+
+TEST_F(ComboboxTest, NotifyOnClickWithMouse) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  combobox_->Layout();
+
+  // Click the right side (arrow button). The menu is shown.
+  TestMenuRunnerHandler* test_menu_runner_handler = new TestMenuRunnerHandler();
+  scoped_ptr<MenuRunnerHandler> menu_runner_handler(test_menu_runner_handler);
+  scoped_ptr<test::MenuRunnerTestAPI> test_api(
+      new test::MenuRunnerTestAPI(combobox_->dropdown_list_menu_runner_.get()));
+  test_api->SetMenuRunnerHandler(menu_runner_handler.Pass());
+
+  PerformClick(gfx::Point(combobox_->x() + combobox_->width() - 1,
+                          combobox_->y() + combobox_->height() / 2));
+  EXPECT_FALSE(listener.on_perform_action_called());
+  EXPECT_TRUE(test_menu_runner_handler->executed());
+
+  // Click the left side (text button). The click event is notified.
+  test_menu_runner_handler = new TestMenuRunnerHandler();
+  menu_runner_handler.reset(test_menu_runner_handler);
+  test_api.reset(
+      new test::MenuRunnerTestAPI(combobox_->dropdown_list_menu_runner_.get()));
+  test_api->SetMenuRunnerHandler(menu_runner_handler.Pass());
+  PerformClick(gfx::Point(combobox_->x() + 1,
+                          combobox_->y() + combobox_->height() / 2));
+  EXPECT_TRUE(listener.on_perform_action_called());
+  EXPECT_FALSE(test_menu_runner_handler->executed());
+  EXPECT_EQ(0, listener.perform_action_index());
+}
+
+TEST_F(ComboboxTest, ConsumingPressKeyEvents) {
+  InitCombobox();
+
+  EXPECT_FALSE(combobox_->OnKeyPressed(
+      ui::KeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_RETURN, 0, false)));
+  EXPECT_FALSE(combobox_->OnKeyPressed(
+      ui::KeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_SPACE, 0, false)));
+
+  // When the combobox's style is STYLE_ACTION, pressing events of a space key
+  // or an enter key will be consumed.
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  EXPECT_TRUE(combobox_->OnKeyPressed(
+      ui::KeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_RETURN, 0, false)));
+  EXPECT_TRUE(combobox_->OnKeyPressed(
+      ui::KeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_SPACE, 0, false)));
+}
+
+// Disabled because of memory leaks, see http://crbug.com/341042.
+TEST_F(ComboboxTest, DISABLED_ContentWidth) {
+  std::vector<std::string> values;
+
+  scoped_ptr<VectorComboboxModel> model(new VectorComboboxModel(&values));
+  combobox_ = new TestCombobox(model.get());
+
+  std::string long_item = "this is the long item";
+  std::string short_item = "s";
+
+  values.resize(1);
+  values[0] = long_item;
+  combobox_->ModelChanged();
+
+  const int long_item_width = combobox_->content_size_.width();
+
+  values[0] = short_item;
+  combobox_->ModelChanged();
+
+  const int short_item_width = combobox_->content_size_.width();
+
+  values.resize(2);
+  values[0] = short_item;
+  values[1] = long_item;
+  combobox_->ModelChanged();
+
+  // When the style is STYLE_NORMAL, the width will fit with the longest item.
+  combobox_->SetStyle(Combobox::STYLE_NORMAL);
+  EXPECT_EQ(long_item_width, combobox_->content_size_.width());
+
+  // When the style is STYLE_ACTION, the width will fit with the first items'
+  // width.
+  combobox_->SetStyle(Combobox::STYLE_ACTION);
+  EXPECT_EQ(short_item_width, combobox_->content_size_.width());
+}
+
+TEST_F(ComboboxTest, TypingPrefixNotifiesListener) {
+  InitCombobox();
+
+  TestComboboxListener listener;
+  combobox_->set_listener(&listener);
+
+  // Type the first character of the second menu item ("JELLY").
+  combobox_->GetTextInputClient()->InsertChar('J', ui::EF_NONE);
+  EXPECT_EQ(1, listener.actions_performed());
+  EXPECT_EQ(1, listener.perform_action_index());
+
+  // Type the second character of "JELLY", item shouldn't change and
+  // OnPerformAction() shouldn't be re-called.
+  combobox_->GetTextInputClient()->InsertChar('E', ui::EF_NONE);
+  EXPECT_EQ(1, listener.actions_performed());
+  EXPECT_EQ(1, listener.perform_action_index());
+
+  // Clears the typed text.
+  combobox_->OnBlur();
+
+  // Type the first character of "PEANUT BUTTER", which should change the
+  // selected index and perform an action.
+  combobox_->GetTextInputClient()->InsertChar('P', ui::EF_NONE);
+  EXPECT_EQ(2, listener.actions_performed());
+  EXPECT_EQ(2, listener.perform_action_index());
+}
+
 }  // namespace views