The center of a rect is x+width/2, y+height/2

ash/tooltips/tooltip_controller_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "ash/display/display_controller.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/tooltips/tooltip_controller.h"
 #include "ash/wm/cursor_manager.h"
 #include "base/utf_string_conversions.h"
@@ skipping 176 matching lines @@
   AddViewToWidgetAndResize(widget.get(), view2);
 
   aura::Window* window = widget->GetNativeView();
 
   // Fire tooltip timer so tooltip becomes visible.
   aura::test::EventGenerator generator(Shell::GetPrimaryRootWindow());
   generator.MoveMouseRelativeTo(window,
                                 view1->bounds().CenterPoint());
   FireTooltipTimer();
   EXPECT_TRUE(IsTooltipVisible());
-  for (int i = 0; i < 50; i++) {
+  for (int i = 0; i < 49; ++i) {
     generator.MoveMouseBy(1, 0);
     EXPECT_TRUE(IsTooltipVisible());
     EXPECT_EQ(window,
         Shell::GetPrimaryRootWindow()->GetEventHandlerForPoint(
             generator.current_location()));
     string16 expected_tooltip = ASCIIToUTF16("Tooltip Text");
     EXPECT_EQ(expected_tooltip, aura::client::GetTooltipText(window));
     EXPECT_EQ(expected_tooltip, GetTooltipText());
     EXPECT_EQ(window, GetTooltipWindow());
   }
-  for (int i = 0; i < 50; i++) {
+  for (int i = 0; i < 49; ++i) {
     generator.MoveMouseBy(1, 0);
     EXPECT_FALSE(IsTooltipVisible());
     EXPECT_EQ(window,
         Shell::GetPrimaryRootWindow()->GetEventHandlerForPoint(
             generator.current_location()));
     string16 expected_tooltip;  // = ""
     EXPECT_EQ(expected_tooltip, aura::client::GetTooltipText(window));
     EXPECT_EQ(expected_tooltip, GetTooltipText());
     EXPECT_EQ(window, GetTooltipWindow());
   }
@@ skipping 171 matching lines @@
   EXPECT_TRUE(IsTooltipVisible());
   EXPECT_TRUE(IsTooltipShownTimerRunning());
 
   generator.PressKey(ui::VKEY_1, 0);
   EXPECT_FALSE(IsTooltipVisible());
   EXPECT_FALSE(IsTooltipTimerRunning());
   EXPECT_FALSE(IsTooltipShownTimerRunning());
 
   // Moving the mouse inside |view1| should not change the state of the tooltip
   // or the timers.
-  for (int i = 0; i < 50; i++) {
+  for (int i = 0; i < 49; i++) {
     generator.MoveMouseBy(1, 0);
     EXPECT_FALSE(IsTooltipVisible());
     EXPECT_FALSE(IsTooltipTimerRunning());
     EXPECT_FALSE(IsTooltipShownTimerRunning());
     EXPECT_EQ(window,
         Shell::GetPrimaryRootWindow()->GetEventHandlerForPoint(
             generator.current_location()));
     string16 expected_tooltip = ASCIIToUTF16("Tooltip Text for view 1");
     EXPECT_EQ(expected_tooltip, aura::client::GetTooltipText(window));
     EXPECT_EQ(expected_tooltip, GetTooltipText());
@@ skipping 34 matching lines @@
   EXPECT_TRUE(IsTooltipVisible());
   EXPECT_TRUE(IsTooltipShownTimerRunning());
 
   FireTooltipShownTimer();
   EXPECT_FALSE(IsTooltipVisible());
   EXPECT_FALSE(IsTooltipTimerRunning());
   EXPECT_FALSE(IsTooltipShownTimerRunning());
 
   // Moving the mouse inside |view1| should not change the state of the tooltip
   // or the timers.
-  for (int i = 0; i < 50; i++) {
+  for (int i = 0; i < 49; ++i) {
     generator.MoveMouseBy(1, 0);
     EXPECT_FALSE(IsTooltipVisible());
     EXPECT_FALSE(IsTooltipTimerRunning());
     EXPECT_FALSE(IsTooltipShownTimerRunning());
     EXPECT_EQ(window,
         Shell::GetPrimaryRootWindow()->GetEventHandlerForPoint(
             generator.current_location()));
     string16 expected_tooltip = ASCIIToUTF16("Tooltip Text for view 1");
     EXPECT_EQ(expected_tooltip, aura::client::GetTooltipText(window));
     EXPECT_EQ(expected_tooltip, GetTooltipText());
@@ skipping 46 matching lines @@
   // be able to show tooltips on the primary display.
   aura::test::EventGenerator generator1(root_windows[0]);
   generator1.MoveMouseRelativeTo(widget1->GetNativeView(),
                                  view1->bounds().CenterPoint());
   FireTooltipTimer();
   EXPECT_TRUE(IsTooltipVisible());
 }
 
 }  // namespace test
 }  // namespace ash