[Mac] First pass at multiple selection in the tabstrip.

chrome/browser/ui/cocoa/tabs/tab_controller_unittest.mm

 // Copyright (c) 2011 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>
 
 #import "base/memory/scoped_nsobject.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/cocoa/cocoa_test_helper.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_controller.h"
 #import "chrome/browser/ui/cocoa/tabs/tab_controller_target.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "testing/platform_test.h"
 
 // Implements the target interface for the tab, which gets sent messages when
 // the tab is clicked on by the user and when its close box is clicked.
 @interface TabControllerTestTarget : NSObject<TabControllerTarget> {
@@ skipping 33 matching lines @@
                                    pressure:1.0];
   [window postEvent:up atStart:YES];
 }
 - (void)commandDispatch:(TabStripModel::ContextMenuCommand)command
           forController:(TabController*)controller {
 }
 - (BOOL)isCommandEnabled:(TabStripModel::ContextMenuCommand)command
            forController:(TabController*)controller {
   return NO;
 }
+- (ui::SimpleMenuModel*)contextMenuModelForController:(TabController*)controller
+    menuDelegate:(ui::SimpleMenuModel::Delegate*)delegate {
+  ui::SimpleMenuModel* model = new ui::SimpleMenuModel(delegate);
+  model->AddItem(1, ASCIIToUTF16("Hello World"));
+  model->AddItem(2, ASCIIToUTF16("Allays"));
+  model->AddItem(3, ASCIIToUTF16("Chromium"));
+  return model;
+}
 @end
 
 namespace {
 
 CGFloat LeftMargin(NSRect superFrame, NSRect subFrame) {
   return NSMinX(subFrame) - NSMinX(superFrame);
 }
 
 CGFloat RightMargin(NSRect superFrame, NSRect subFrame) {
   return NSMaxX(superFrame) - NSMaxX(subFrame);
@@ skipping 185 matching lines @@
   EXPECT_TRUE([controller shouldShowIcon]);
   EXPECT_TRUE([controller shouldShowCloseButton]);
 
   cap = [controller iconCapacity];
   EXPECT_GT(cap, 0);
 }
 
 TEST_F(TabControllerTest, Menu) {
   NSWindow* window = test_window();
   scoped_nsobject<TabController> controller([[TabController alloc] init]);
+  scoped_nsobject<TabControllerTestTarget> target(
+      [[TabControllerTestTarget alloc] init]);
+  [controller setTarget:target];
+
   [[window contentView] addSubview:[controller view]];
   int cap = [controller iconCapacity];
   EXPECT_GT(cap, 0);
 
   // Asking the view for its menu should yield a valid menu.
   NSMenu* menu = [[controller view] menu];
   EXPECT_TRUE(menu);
-  EXPECT_GT([menu numberOfItems], 0);
+  EXPECT_EQ(3, [menu numberOfItems]);
 }
 
 // Tests that the title field is correctly positioned and sized when the
 // view is resized.
 TEST_F(TabControllerTest, TitleViewLayout) {
   NSWindow* window = test_window();
 
   scoped_nsobject<TabController> controller([[TabController alloc] init]);
   [[window contentView] addSubview:[controller view]];
   NSRect tabFrame = [[controller view] frame];
@@ skipping 40 matching lines @@
             NSWidth([[controller titleView] frame]));
   EXPECT_EQ(LeftMargin(originalTabFrame, originalTitleFrame),
             LeftMargin([[controller view] frame],
                        [[controller titleView] frame]));
   EXPECT_EQ(RightMargin(originalTabFrame, originalTitleFrame),
             RightMargin([[controller view] frame],
                         [[controller titleView] frame]));
 }
 
 }  // namespace