src/ui/base/cocoa/focus_tracker_unittest.mm

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #import <Cocoa/Cocoa.h>
   6
   7 #include "base/mac/scoped_nsobject.h"
   8 #include "testing/gtest/include/gtest/gtest.h"
   9 #include "testing/platform_test.h"
  10 #import "ui/base/cocoa/focus_tracker.h"
  11 #import "ui/gfx/test/ui_cocoa_test_helper.h"
  12
  13 namespace {
  14
  15 class FocusTrackerTest : public ui::CocoaTest {
  16  public:
  17   virtual void SetUp() {
  18     ui::CocoaTest::SetUp();
  19     base::scoped_nsobject<NSView> view(
  20         [[NSView alloc] initWithFrame:NSZeroRect]);
  21     viewA_ = view.get();
  22     [[test_window() contentView] addSubview:viewA_];
  23
  24     view.reset([[NSView alloc] initWithFrame:NSZeroRect]);
  25     viewB_ = view.get();
  26     [[test_window() contentView] addSubview:viewB_];
  27   }
  28
  29  protected:
  30   NSView* viewA_;
  31   NSView* viewB_;
  32 };
  33
  34 TEST_F(FocusTrackerTest, SaveRestore) {
  35   NSWindow* window = test_window();
  36   ASSERT_TRUE([window makeFirstResponder:viewA_]);
  37   base::scoped_nsobject<FocusTracker> tracker(
  38       [[FocusTracker alloc] initWithWindow:window]);
  39   // Give focus to |viewB_|, then try and restore it to view1.
  40   ASSERT_TRUE([window makeFirstResponder:viewB_]);
  41   EXPECT_TRUE([tracker restoreFocusInWindow:window]);
  42   EXPECT_EQ(viewA_, [window firstResponder]);
  43 }
  44
  45 TEST_F(FocusTrackerTest, SaveRestoreWithTextView) {
  46   // Valgrind will complain if the text field has zero size.
  47   NSRect frame = NSMakeRect(0, 0, 100, 20);
  48   NSWindow* window = test_window();
  49   base::scoped_nsobject<NSTextField> text(
  50       [[NSTextField alloc] initWithFrame:frame]);
  51   [[window contentView] addSubview:text];
  52
  53   ASSERT_TRUE([window makeFirstResponder:text]);
  54   base::scoped_nsobject<FocusTracker> tracker(
  55       [[FocusTracker alloc] initWithWindow:window]);
  56   // Give focus to |viewB_|, then try and restore it to the text field.
  57   ASSERT_TRUE([window makeFirstResponder:viewB_]);
  58   EXPECT_TRUE([tracker restoreFocusInWindow:window]);
  59   EXPECT_TRUE([[window firstResponder] isKindOfClass:[NSTextView class]]);
  60 }
  61
  62 TEST_F(FocusTrackerTest, DontRestoreToViewNotInWindow) {
  63   NSWindow* window = test_window();
  64   base::scoped_nsobject<NSView> viewC(
  65       [[NSView alloc] initWithFrame:NSZeroRect]);
  66   [[window contentView] addSubview:viewC];
  67
  68   ASSERT_TRUE([window makeFirstResponder:viewC]);
  69   base::scoped_nsobject<FocusTracker> tracker(
  70       [[FocusTracker alloc] initWithWindow:window]);
  71
  72   // Give focus to |viewB_|, then remove viewC from the hierarchy and try
  73   // to restore focus.  The restore should fail.
  74   ASSERT_TRUE([window makeFirstResponder:viewB_]);
  75   [viewC removeFromSuperview];
  76   EXPECT_FALSE([tracker restoreFocusInWindow:window]);
  77 }
  78
  79 TEST_F(FocusTrackerTest, DontRestoreFocusToViewInDifferentWindow) {
  80   NSWindow* window = test_window();
  81   ASSERT_TRUE([window makeFirstResponder:viewA_]);
  82   base::scoped_nsobject<FocusTracker> tracker(
  83       [[FocusTracker alloc] initWithWindow:window]);
  84
  85   // Give focus to |viewB_|, then try and restore focus in a different
  86   // window.  It is ok to pass a nil NSWindow here because we only use
  87   // it for direct comparison.
  88   ASSERT_TRUE([window makeFirstResponder:viewB_]);
  89   EXPECT_FALSE([tracker restoreFocusInWindow:nil]);
  90 }
  91
  92
  93 }  // namespace