Create unit-test for exiting context menus via mouse button

Added a unit-test to BookmarkBarViewTest. It opens a context
menu. The menu is dismissed by clicking the mouse outside of
it. The underlying view gets the mouse event after the
context menu has exited.

See also: 
https://chromiumcodereview.appspot.com/11761027

BUG=171891
TEST=manual, Run: 
out/Debug/interactive_ui_tests --gtest_filter='BookmarkBarViewTest20.*'

Review URL: https://chromiumcodereview.appspot.com/12217158

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182137 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/views/bookmarks/bookmark_bar_view_test.cc

@@ -1584,3 +1584,107 @@ class BookmarkBarViewTest19 : public BookmarkBarViewEventTestBase {
 };
 
 VIEW_TEST(BookmarkBarViewTest19, BookmarkBarViewTest19_SiblingMenu)
+
+#if !defined(OS_WIN)
+
+// Verify that when clicking a mouse button outside a context menu,
+// the context menu is dismissed *and* the underlying view receives
+// the the mouse event (due to event reposting).
+class BookmarkBarViewTest20 : public BookmarkBarViewEventTestBase {
+ public:
+  BookmarkBarViewTest20() : test_view_(new TestViewForMenuExit) {}
+
+ protected:
+  virtual void DoTestOnMessageLoop() OVERRIDE {
+    // Add |test_view_| next to |bb_view_|.
+    views::View* parent = bb_view_->parent();
+    views::View* container_view = new ContainerViewForMenuExit;
+    container_view->AddChildView(bb_view_.get());
+    container_view->AddChildView(test_view_);
+    parent->AddChildView(container_view);
+    parent->Layout();
+
+    ASSERT_EQ(test_view_->press_count(), 0);
+
+    // Move the mouse to the Test View and press the left mouse button.
+    ui_test_utils::MoveMouseToCenterAndPress(
+        test_view_, ui_controls::LEFT, ui_controls::DOWN | ui_controls::UP,
+        CreateEventTask(this, &BookmarkBarViewTest20::Step1));
+  }
+
+ private:
+  void Step1() {
+    ASSERT_EQ(test_view_->press_count(), 1);
+    ASSERT_TRUE(bb_view_->GetMenu() == NULL);
+
+    // Move the mouse to the first folder on the bookmark bar and press the
+    // left mouse button.
+    views::TextButton* button = GetBookmarkButton(0);
+    ui_test_utils::MoveMouseToCenterAndPress(
+        button, ui_controls::LEFT, ui_controls::DOWN | ui_controls::UP,
+        CreateEventTask(this, &BookmarkBarViewTest20::Step2));
+  }
+
+  void Step2() {
+    ASSERT_EQ(test_view_->press_count(), 1);
+    views::MenuItemView* menu = bb_view_->GetMenu();
+    ASSERT_TRUE(menu != NULL);
+    ASSERT_TRUE(menu->GetSubmenu()->IsShowing());
+
+    // Move the mouse to the Test View and press the left mouse button.
+    // The context menu will consume the event and exit. Thereafter,
+    // the event is reposted and delivered to the Test View which
+    // increases its press-count.
+    ui_test_utils::MoveMouseToCenterAndPress(
+        test_view_, ui_controls::LEFT, ui_controls::DOWN | ui_controls::UP,
+        CreateEventTask(this, &BookmarkBarViewTest20::Step3));
+  }
+
+  void Step3() {
+    ASSERT_EQ(test_view_->press_count(), 2);
+    ASSERT_TRUE(bb_view_->GetMenu() == NULL);
+    Done();
+  }
+
+  class ContainerViewForMenuExit : public views::View {
+   public:
+    ContainerViewForMenuExit() {
+    }
+
+    virtual void Layout() OVERRIDE {
+      DCHECK_EQ(2, child_count());
+      views::View* bb_view = child_at(0);
+      views::View* test_view = child_at(1);
+      const int width = bb_view->width();
+      const int height = bb_view->height();
+      bb_view->SetBounds(0,0, width - 22, height);
+      test_view->SetBounds(width - 20, 0, 20, height);
+    }
+
+   private:
+
+    DISALLOW_COPY_AND_ASSIGN(ContainerViewForMenuExit);
+  };
+
+  class TestViewForMenuExit : public views::View {
+   public:
+    TestViewForMenuExit() : press_count_(0) {
+    }
+    virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE {
+      ++press_count_;
+      return true;
+    }
+    int press_count() const { return press_count_; }
+
+   private:
+    int press_count_;
+
+    DISALLOW_COPY_AND_ASSIGN(TestViewForMenuExit);
+  };
+
+  TestViewForMenuExit* test_view_;
+};
+
+VIEW_TEST(BookmarkBarViewTest20, ContextMenuExitTest)
+
+#endif // !defined(OS_WIN)