Share the code that builds the page menu in a common model, make Mac and Win ...

chrome/browser/cocoa/menu_controller_unittest.mm

+// Copyright (c) 2009 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.
+
+#import <Cocoa/Cocoa.h>
+
+#include "app/menus/simple_menu_model.h"
+#include "base/sys_string_conversions.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/cocoa/cocoa_test_helper.h"
+#include "chrome/browser/cocoa/menu_controller.h"
+#include "grit/generated_resources.h"
+
+class MenuControllerTest : public CocoaTest {
+};
+
+// A menu delegate that counts the number of times certain things are called
+// to make sure things are hooked up properly.
+class Delegate : public menus::SimpleMenuModel::Delegate {
+ public:
+  Delegate() : execute_count_(0), enable_count_(0) { }
+
+  virtual bool IsCommandIdChecked(int command_id) const { return false; }
+  virtual bool IsCommandIdEnabled(int command_id) const {
+    ++enable_count_;
+    return true;
+  }
+  virtual bool GetAcceleratorForCommandId(
+      int command_id,
+      menus::Accelerator* accelerator) { return false; }
+  virtual void ExecuteCommand(int command_id) { ++execute_count_; }
+
+  int execute_count_;
+  mutable int enable_count_;
+};
+
+TEST_F(MenuControllerTest, EmptyMenu) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:NO]);
+  EXPECT_EQ([[menu menu] numberOfItems], 0);
+}
+
+TEST_F(MenuControllerTest, BasicCreation) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  model.AddItem(1, WideToUTF16(L"one"));
+  model.AddItem(2, WideToUTF16(L"two"));
+  model.AddItem(3, WideToUTF16(L"three"));
+  model.AddSeparator();
+  model.AddItem(4, WideToUTF16(L"four"));
+  model.AddItem(5, WideToUTF16(L"five"));
+
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:NO]);
+  EXPECT_EQ([[menu menu] numberOfItems], 6);
+
+  // Check the title, tag, and represented object are correct for a random
+  // element.
+  NSMenuItem* itemTwo = [[menu menu] itemAtIndex:2];
+  NSString* title = [itemTwo title];
+  EXPECT_EQ(WideToUTF16(L"three"), base::SysNSStringToUTF16(title));
+  EXPECT_EQ([itemTwo tag], 2);
+  EXPECT_EQ([[itemTwo representedObject] pointerValue], &model);
+
+  EXPECT_TRUE([[[menu menu] itemAtIndex:3] isSeparatorItem]);
+}
+
+TEST_F(MenuControllerTest, Submenus) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  model.AddItem(1, WideToUTF16(L"one"));
+  menus::SimpleMenuModel submodel(&delegate);
+  submodel.AddItem(2, WideToUTF16(L"sub-one"));
+  submodel.AddItem(3, WideToUTF16(L"sub-two"));
+  submodel.AddItem(4, WideToUTF16(L"sub-three"));
+  model.AddSubMenuWithStringId(IDS_ZOOM_MENU, &submodel);
+  model.AddItem(5, WideToUTF16(L"three"));
+
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:NO]);
+  EXPECT_EQ([[menu menu] numberOfItems], 3);
+
+  // Inspect the submenu to ensure it has correct properties.
+  NSMenu* submenu = [[[menu menu] itemAtIndex:1] submenu];
+  EXPECT_TRUE(submenu);
+  EXPECT_EQ([submenu numberOfItems], 3);
+
+  // Inspect one of the items to make sure it has the correct model as its
+  // represented object and the proper tag.
+  NSMenuItem* submenuItem = [submenu itemAtIndex:1];
+  NSString* title = [submenuItem title];
+  EXPECT_EQ(WideToUTF16(L"sub-two"), base::SysNSStringToUTF16(title));
+  EXPECT_EQ([submenuItem tag], 1);
+  EXPECT_EQ([[submenuItem representedObject] pointerValue], &submodel);
+
+  // Make sure the item after the submenu is correct and its represented
+  // object is back to the top model.
+  NSMenuItem* item = [[menu menu] itemAtIndex:2];
+  title = [item title];
+  EXPECT_EQ(WideToUTF16(L"three"), base::SysNSStringToUTF16(title));
+  EXPECT_EQ([item tag], 2);
+  EXPECT_EQ([[item representedObject] pointerValue], &model);
+}
+
+TEST_F(MenuControllerTest, EmptySubmenu) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  model.AddItem(1, WideToUTF16(L"one"));
+  menus::SimpleMenuModel submodel(&delegate);
+  model.AddSubMenuWithStringId(IDS_ZOOM_MENU, &submodel);
+
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:NO]);
+  EXPECT_EQ([[menu menu] numberOfItems], 2);
+}
+
+TEST_F(MenuControllerTest, PopUpButton) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  model.AddItem(1, WideToUTF16(L"one"));
+  model.AddItem(2, WideToUTF16(L"two"));
+  model.AddItem(3, WideToUTF16(L"three"));
+
+  // Menu should have an extra item inserted at position 0 that has an empty
+  // title.
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:YES]);
+  EXPECT_EQ([[menu menu] numberOfItems], 4);
+  EXPECT_EQ(base::SysNSStringToUTF16([[[menu menu] itemAtIndex:0] title]),
+            string16());
+
+  // Make sure the tags are still correct (the index no longer matches the tag).
+  NSMenuItem* itemTwo = [[menu menu] itemAtIndex:2];
+  EXPECT_EQ([itemTwo tag], 1);
+}
+
+TEST_F(MenuControllerTest, Execute) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  model.AddItem(1, WideToUTF16(L"one"));
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:NO]);
+  EXPECT_EQ([[menu menu] numberOfItems], 1);
+
+  // Fake selecting the menu item, we expect the delegate to be told to execute
+  // a command.
+  NSMenuItem* item = [[menu menu] itemAtIndex:0];
+  [[item target] performSelector:[item action] withObject:item];
+  EXPECT_EQ(delegate.execute_count_, 1);
+}
+
+void Validate(MenuController* controller, NSMenu* menu) {
+  for (int i = 0; i < [menu numberOfItems]; ++i) {
+    NSMenuItem* item = [menu itemAtIndex:i];
+    [controller validateUserInterfaceItem:item];
+    if ([item hasSubmenu])
+      Validate(controller, [item submenu]);
+  }
+}
+
+TEST_F(MenuControllerTest, Validate) {
+  Delegate delegate;
+  menus::SimpleMenuModel model(&delegate);
+  model.AddItem(1, WideToUTF16(L"one"));
+  model.AddItem(2, WideToUTF16(L"two"));
+  menus::SimpleMenuModel submodel(&delegate);
+  submodel.AddItem(2, WideToUTF16(L"sub-one"));
+  model.AddSubMenuWithStringId(IDS_ZOOM_MENU, &submodel);
+
+  scoped_nsobject<MenuController> menu(
+      [[MenuController alloc] initWithModel:&model useWithPopUpButtonCell:NO]);
+  EXPECT_EQ([[menu menu] numberOfItems], 3);
+
+  Validate(menu.get(), [menu menu]);
+}