tests/controls/textctrltest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/textctrl/textctrltest.cpp
   3 // Purpose:     wxTextCtrl unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2007-09-25
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2007 Vadim Zeitlin <vadim@wxwidgets.org>
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/app.h"
  22     #include "wx/textctrl.h"
  23 #endif // WX_PRECOMP
  24
  25 // ----------------------------------------------------------------------------
  26 // test class
  27 // ----------------------------------------------------------------------------
  28
  29 class TextCtrlTestCase : public CppUnit::TestCase
  30 {
  31 public:
  32     TextCtrlTestCase() { }
  33
  34     virtual void setUp();
  35     virtual void tearDown();
  36
  37 private:
  38     CPPUNIT_TEST_SUITE( TextCtrlTestCase );
  39         CPPUNIT_TEST( SetValue );
  40         CPPUNIT_TEST( TextChangeEvents );
  41     CPPUNIT_TEST_SUITE_END();
  42
  43     void SetValue();
  44     void TextChangeEvents();
  45
  46     wxTextCtrl *m_text;
  47     wxFrame *m_frame;
  48
  49     DECLARE_NO_COPY_CLASS(TextCtrlTestCase)
  50 };
  51
  52 // register in the unnamed registry so that these tests are run by default
  53 CPPUNIT_TEST_SUITE_REGISTRATION( TextCtrlTestCase );
  54
  55 // also include in it's own registry so that these tests can be run alone
  56 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextCtrlTestCase, "TextCtrlTestCase" );
  57
  58 // ----------------------------------------------------------------------------
  59 // test initialization
  60 // ----------------------------------------------------------------------------
  61
  62 void TextCtrlTestCase::setUp()
  63 {
  64     m_text = new wxTextCtrl(wxTheApp->GetTopWindow(), wxID_ANY);
  65 }
  66
  67 void TextCtrlTestCase::tearDown()
  68 {
  69     delete m_text;
  70     m_text = NULL;
  71 }
  72
  73 // ----------------------------------------------------------------------------
  74 // tests themselves
  75 // ----------------------------------------------------------------------------
  76
  77 void TextCtrlTestCase::SetValue()
  78 {
  79     CPPUNIT_ASSERT( m_text->IsEmpty() );
  80
  81     m_text->SetValue("foo");
  82     CPPUNIT_ASSERT_EQUAL( "foo", m_text->GetValue() );
  83
  84     m_text->SetValue("");
  85     CPPUNIT_ASSERT( m_text->IsEmpty() );
  86
  87     m_text->SetValue("hi");
  88     CPPUNIT_ASSERT_EQUAL( "hi", m_text->GetValue() );
  89
  90     m_text->SetValue("bye");
  91     CPPUNIT_ASSERT_EQUAL( "bye", m_text->GetValue() );
  92 }
  93
  94 void TextCtrlTestCase::TextChangeEvents()
  95 {
  96     class TextTestEventHandler : public wxEvtHandler
  97     {
  98     public:
  99         TextTestEventHandler() { m_events = 0; }
 100
 101         // calling this automatically resets the events counter
 102         int GetEvents()
 103         {
 104             const int events = m_events;
 105             m_events = 0;
 106             return events;
 107         }
 108
 109         void OnText(wxCommandEvent& WXUNUSED(event)) { m_events++; }
 110
 111     private:
 112         int m_events;
 113     } handler;
 114
 115     m_text->Connect(wxEVT_COMMAND_TEXT_UPDATED,
 116                     wxCommandEventHandler(TextTestEventHandler::OnText),
 117                     NULL,
 118                     &handler);
 119
 120     // notice that SetValue() generates an event even if the text didn't change
 121     m_text->SetValue("");
 122     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 123
 124     m_text->SetValue("foo");
 125     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 126
 127     m_text->SetValue("foo");
 128     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 129
 130     m_text->ChangeValue("bar");
 131     CPPUNIT_ASSERT_EQUAL( 0, handler.GetEvents() );
 132
 133     m_text->AppendText("bar");
 134     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 135
 136     m_text->Replace(3, 6, "baz");
 137     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 138
 139     m_text->Remove(0, 3);
 140     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 141
 142     m_text->WriteText("foo");
 143     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 144
 145     m_text->Clear();
 146     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 147 }
 148