chrome/browser/ui/cocoa/find_pasteboard_unittest.mm

   1 // Copyright (c) 2011 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 #import "chrome/browser/ui/cocoa/cocoa_test_helper.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10 #include "testing/platform_test.h"
  11 #import "ui/base/cocoa/find_pasteboard.h"
  12
  13 // A subclass of FindPasteboard that doesn't write to the real find pasteboard.
  14 @interface FindPasteboardTesting : FindPasteboard {
  15  @public
  16   int notificationCount_;
  17  @private
  18   NSPasteboard* pboard_;
  19 }
  20 - (NSPasteboard*)findPboard;
  21
  22 - (void)callback:(id)sender;
  23
  24 // These are for checking that pasteboard content is copied to/from the
  25 // FindPasteboard correctly.
  26 - (NSString*)findPboardText;
  27 - (void)setFindPboardText:(NSString*)text;
  28 @end
  29
  30 @implementation FindPasteboardTesting
  31
  32 - (id)init {
  33   if ((self = [super init])) {
  34     pboard_ = [NSPasteboard pasteboardWithUniqueName];
  35   }
  36   return self;
  37 }
  38
  39 - (void)dealloc {
  40   [pboard_ releaseGlobally];
  41   [super dealloc];
  42 }
  43
  44 - (NSPasteboard*)findPboard {
  45   return pboard_;
  46 }
  47
  48 - (void)callback:(id)sender {
  49   ++notificationCount_;
  50 }
  51
  52 - (void)setFindPboardText:(NSString*)text {
  53   [pboard_ declareTypes:[NSArray arrayWithObject:NSStringPboardType]
  54                   owner:nil];
  55   [pboard_ setString:text forType:NSStringPboardType];
  56 }
  57
  58 - (NSString*)findPboardText {
  59   return [pboard_ stringForType:NSStringPboardType];
  60 }
  61 @end
  62
  63 namespace {
  64
  65 class FindPasteboardTest : public CocoaTest {
  66  public:
  67   FindPasteboardTest() {
  68     pboard_.reset([[FindPasteboardTesting alloc] init]);
  69   }
  70  protected:
  71   base::scoped_nsobject<FindPasteboardTesting> pboard_;
  72 };
  73
  74 TEST_F(FindPasteboardTest, SettingTextUpdatesPboard) {
  75   [pboard_.get() setFindText:@"text"];
  76   EXPECT_EQ(
  77       NSOrderedSame,
  78       [[pboard_.get() findPboardText] compare:@"text"]);
  79 }
  80
  81 TEST_F(FindPasteboardTest, ReadingFromPboardUpdatesFindText) {
  82   [pboard_.get() setFindPboardText:@"text"];
  83   [pboard_.get() loadTextFromPasteboard:nil];
  84   EXPECT_EQ(
  85       NSOrderedSame,
  86       [[pboard_.get() findText] compare:@"text"]);
  87 }
  88
  89 TEST_F(FindPasteboardTest, SendsNotificationWhenTextChanges) {
  90   [[NSNotificationCenter defaultCenter]
  91       addObserver:pboard_.get()
  92          selector:@selector(callback:)
  93              name:kFindPasteboardChangedNotification
  94            object:pboard_.get()];
  95   EXPECT_EQ(0, pboard_.get()->notificationCount_);
  96   [pboard_.get() setFindText:@"text"];
  97   EXPECT_EQ(1, pboard_.get()->notificationCount_);
  98   [pboard_.get() setFindText:@"text"];
  99   EXPECT_EQ(1, pboard_.get()->notificationCount_);
 100   [pboard_.get() setFindText:@"other text"];
 101   EXPECT_EQ(2, pboard_.get()->notificationCount_);
 102
 103   [pboard_.get() setFindPboardText:@"other text"];
 104   [pboard_.get() loadTextFromPasteboard:nil];
 105   EXPECT_EQ(2, pboard_.get()->notificationCount_);
 106
 107   [pboard_.get() setFindPboardText:@"otherer text"];
 108   [pboard_.get() loadTextFromPasteboard:nil];
 109   EXPECT_EQ(3, pboard_.get()->notificationCount_);
 110
 111   [[NSNotificationCenter defaultCenter] removeObserver:pboard_.get()];
 112 }
 113
 114
 115 }  // namespace