svl/qa/unit/notify/test_SfxBroadcaster.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <svl/SfxBroadcaster.hxx>
  11
  12 #include <svl/lstner.hxx>
  13 #include <svl/hint.hxx>
  14
  15 #include <cppunit/TestAssert.h>
  16 #include <cppunit/TestFixture.h>
  17 #include <cppunit/extensions/HelperMacros.h>
  18 #include <cppunit/plugin/TestPlugIn.h>
  19
  20 class SfxBroadcasterTest : public CppUnit::TestFixture
  21 {
  22     void AddingListenersIncreasesCount();
  23     void RemovingListenersDecreasesCount();
  24     void HintsAreNotForwardedToRemovedListeners();
  25
  26     // Adds code needed to register the test suite
  27     CPPUNIT_TEST_SUITE(SfxBroadcasterTest);
  28     CPPUNIT_TEST(AddingListenersIncreasesCount);
  29     CPPUNIT_TEST(RemovingListenersDecreasesCount);
  30     CPPUNIT_TEST(HintsAreNotForwardedToRemovedListeners);
  31
  32     CPPUNIT_TEST_SUITE_END();
  33 };
  34
  35 class MockedSfxListener : public SfxListener
  36 {
  37 public:
  38     MockedSfxListener()
  39     : mNotifyWasCalled(false) {}
  40
  41     void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) SAL_OVERRIDE {
  42         (void)(rBC); (void)(rHint); // avoid warnings about unused parameters
  43         mNotifyWasCalled = true;
  44     }
  45
  46     bool NotifyWasCalled() const {
  47         return mNotifyWasCalled;
  48     }
  49
  50 private:
  51     bool mNotifyWasCalled;
  52 };
  53
  54 void
  55 SfxBroadcasterTest::AddingListenersIncreasesCount()
  56 {
  57     SfxBroadcaster sb;
  58     MockedSfxListener sl;
  59
  60     CPPUNIT_ASSERT_EQUAL((size_t)0, sb.GetListenerCount());
  61
  62     sl.StartListening(sb, true);
  63     CPPUNIT_ASSERT_EQUAL((size_t)1, sb.GetListenerCount());
  64 }
  65
  66 void
  67 SfxBroadcasterTest::RemovingListenersDecreasesCount()
  68 {
  69     SfxBroadcaster sb;
  70     MockedSfxListener sl;
  71
  72     CPPUNIT_ASSERT_EQUAL((size_t)0, sb.GetListenerCount());
  73     sl.StartListening(sb, true);
  74     CPPUNIT_ASSERT_EQUAL((size_t)1, sb.GetListenerCount());
  75     sl.EndListening(sb, true);
  76     CPPUNIT_ASSERT_EQUAL((size_t)0, sb.GetListenerCount());
  77 }
  78
  79 void
  80 SfxBroadcasterTest::HintsAreNotForwardedToRemovedListeners()
  81 {
  82     SfxBroadcaster sb;
  83     MockedSfxListener sl1;
  84     MockedSfxListener sl2;
  85     SfxHint hint;
  86
  87     sl1.StartListening(sb, true);
  88     sl2.StartListening(sb, true);
  89     CPPUNIT_ASSERT_EQUAL_MESSAGE("All listeners were added.", (size_t)2, sb.GetListenerCount());
  90     sl1.EndListening(sb, true);
  91     sb.Forward(sb, hint);
  92     CPPUNIT_ASSERT_EQUAL(true, sl2.NotifyWasCalled());
  93     CPPUNIT_ASSERT_EQUAL(false, sl1.NotifyWasCalled());
  94 }
  95
  96 CPPUNIT_TEST_SUITE_REGISTRATION(SfxBroadcasterTest);
  97
  98 CPPUNIT_PLUGIN_IMPLEMENT();