[Mac] Enable click-drag-release behavior in the Wrench menu's custom items.

chrome/browser/cocoa/menu_tracked_button_unittest.mm

+// Copyright (c) 2010 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 "base/scoped_nsobject.h"
+#import "chrome/browser/cocoa/cocoa_test_helper.h"
+#import "chrome/browser/cocoa/menu_tracked_button.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/platform_test.h"
+
+// This test does not test what you'd think it does. Testing around event
+// tracking run loops is probably not worh the effort when the size of the
+// helper MakeEvent() is larger than the class being tested. If we ever figure
+// out a good way to test event tracking, this should be revisited.
+
+@interface MenuTrackedButtonTestReceiver : NSObject {
+ @public
+  BOOL didThat_;
+}
+- (void)doThat:(id)sender;
+@end
+@implementation MenuTrackedButtonTestReceiver
+- (void)doThat:(id)sender {
+  didThat_ = YES;
+}
+@end
+
+
+class MenuTrackedButtonTest : public CocoaTest {
+ public:
+  MenuTrackedButtonTest() : event_number_(0) {}
+
+  void SetUp() {
+    listener_.reset([[MenuTrackedButtonTestReceiver alloc] init]);
+    button_.reset(
+        [[MenuTrackedButton alloc] initWithFrame:NSMakeRect(10, 10, 50, 50)]);
+    [[test_window() contentView] addSubview:button()];
+    [button_ setTarget:listener()];
+    [button_ setAction:@selector(doThat:)];
+  }
+
+  // Creates an event of |type|, with |location| in test_window()'s coordinates.
+  NSEvent* MakeEvent(NSEventType type, NSPoint location) {
+    NSTimeInterval now = [NSDate timeIntervalSinceReferenceDate];
+    location = [test_window() convertBaseToScreen:location];
+    if (type == NSMouseEntered || type == NSMouseExited) {
+      return [NSEvent enterExitEventWithType:type
+                                    location:location
+                               modifierFlags:0
+                                   timestamp:now
+                                windowNumber:[test_window() windowNumber]
+                                     context:nil
+                                 eventNumber:event_number_++
+                              trackingNumber:0
+                                    userData:nil];
+    } else {
+      return [NSEvent mouseEventWithType:type
+                                location:location
+                           modifierFlags:0
+                               timestamp:now
+                            windowNumber:[test_window() windowNumber]
+                                 context:nil
+                             eventNumber:event_number_++
+                              clickCount:1
+                                pressure:1.0];
+    }
+  }
+
+  MenuTrackedButtonTestReceiver* listener() { return listener_.get(); }
+  NSButton* button() { return button_.get(); }
+
+  scoped_nsobject<MenuTrackedButtonTestReceiver> listener_;
+  scoped_nsobject<MenuTrackedButton> button_;
+  NSInteger event_number_;
+};
+
+// User mouses over and then off.
+TEST_F(MenuTrackedButtonTest, DISABLED_EnterExit) {
+  [NSApp postEvent:MakeEvent(NSMouseEntered, NSMakePoint(11, 11)) atStart:YES];
+  [NSApp postEvent:MakeEvent(NSMouseExited, NSMakePoint(9, 9)) atStart:YES];
+  EXPECT_FALSE(listener()->didThat_);
+}
+
+// User mouses over, clicks, drags, and exits.
+TEST_F(MenuTrackedButtonTest, DISABLED_EnterDragExit) {
+  [NSApp postEvent:MakeEvent(NSMouseEntered, NSMakePoint(11, 11)) atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseDown, NSMakePoint(12, 12)) atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseDragged, NSMakePoint(13, 11))
+           atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseDragged, NSMakePoint(13, 10))
+           atStart:YES];
+  [NSApp postEvent:MakeEvent(NSMouseExited, NSMakePoint(13, 9)) atStart:YES];
+  EXPECT_FALSE(listener()->didThat_);
+}
+
+// User mouses over, clicks, drags, and releases.
+TEST_F(MenuTrackedButtonTest, DISABLED_EnterDragUp) {
+  [NSApp postEvent:MakeEvent(NSMouseEntered, NSMakePoint(11, 11)) atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseDown, NSMakePoint(12, 12)) atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseDragged, NSMakePoint(13, 13))
+           atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseUp, NSMakePoint(14, 14)) atStart:YES];
+  EXPECT_TRUE(listener()->didThat_);
+}
+
+// User drags in and releases.
+TEST_F(MenuTrackedButtonTest, DISABLED_DragUp) {
+  [NSApp postEvent:MakeEvent(NSLeftMouseDragged, NSMakePoint(11, 11))
+           atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseDragged, NSMakePoint(12, 12))
+           atStart:YES];
+  [NSApp postEvent:MakeEvent(NSLeftMouseUp, NSMakePoint(13, 13))
+           atStart:YES];
+  EXPECT_TRUE(listener()->didThat_);
+}