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( Selection );
  42     CPPUNIT_TEST_SUITE_END();
  43
  44     void SetValue();
  45     void TextChangeEvents();
  46     void Selection();
  47
  48     // Selection() test helper: verify that selection is as described by the
  49     // function parameters
  50     void AssertSelection(int from, int to, const char *sel);
  51
  52     wxTextCtrl *m_text;
  53     wxFrame *m_frame;
  54
  55     DECLARE_NO_COPY_CLASS(TextCtrlTestCase)
  56 };
  57
  58 // register in the unnamed registry so that these tests are run by default
  59 CPPUNIT_TEST_SUITE_REGISTRATION( TextCtrlTestCase );
  60
  61 // also include in it's own registry so that these tests can be run alone
  62 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextCtrlTestCase, "TextCtrlTestCase" );
  63
  64 // ----------------------------------------------------------------------------
  65 // test initialization
  66 // ----------------------------------------------------------------------------
  67
  68 void TextCtrlTestCase::setUp()
  69 {
  70     m_text = new wxTextCtrl(wxTheApp->GetTopWindow(), wxID_ANY);
  71 }
  72
  73 void TextCtrlTestCase::tearDown()
  74 {
  75     delete m_text;
  76     m_text = NULL;
  77 }
  78
  79 // ----------------------------------------------------------------------------
  80 // tests themselves
  81 // ----------------------------------------------------------------------------
  82
  83 void TextCtrlTestCase::SetValue()
  84 {
  85     CPPUNIT_ASSERT( m_text->IsEmpty() );
  86
  87     m_text->SetValue("foo");
  88     CPPUNIT_ASSERT_EQUAL( "foo", m_text->GetValue() );
  89
  90     m_text->SetValue("");
  91     CPPUNIT_ASSERT( m_text->IsEmpty() );
  92
  93     m_text->SetValue("hi");
  94     CPPUNIT_ASSERT_EQUAL( "hi", m_text->GetValue() );
  95
  96     m_text->SetValue("bye");
  97     CPPUNIT_ASSERT_EQUAL( "bye", m_text->GetValue() );
  98 }
  99
 100 void TextCtrlTestCase::TextChangeEvents()
 101 {
 102     class TextTestEventHandler : public wxEvtHandler
 103     {
 104     public:
 105         TextTestEventHandler() { m_events = 0; }
 106
 107         // calling this automatically resets the events counter
 108         int GetEvents()
 109         {
 110             const int events = m_events;
 111             m_events = 0;
 112             return events;
 113         }
 114
 115         void OnText(wxCommandEvent& WXUNUSED(event)) { m_events++; }
 116
 117     private:
 118         int m_events;
 119     } handler;
 120
 121     m_text->Connect(wxEVT_COMMAND_TEXT_UPDATED,
 122                     wxCommandEventHandler(TextTestEventHandler::OnText),
 123                     NULL,
 124                     &handler);
 125
 126     // notice that SetValue() generates an event even if the text didn't change
 127     m_text->SetValue("");
 128     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 129
 130     m_text->SetValue("foo");
 131     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 132
 133     m_text->SetValue("foo");
 134     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 135
 136     m_text->ChangeValue("bar");
 137     CPPUNIT_ASSERT_EQUAL( 0, handler.GetEvents() );
 138
 139     m_text->AppendText("bar");
 140     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 141
 142     m_text->Replace(3, 6, "baz");
 143     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 144
 145     m_text->Remove(0, 3);
 146     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 147
 148     m_text->WriteText("foo");
 149     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 150
 151     m_text->Clear();
 152     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 153 }
 154
 155 void TextCtrlTestCase::AssertSelection(int from, int to, const char *sel)
 156 {
 157     CPPUNIT_ASSERT( m_text->HasSelection() );
 158
 159     long fromReal,
 160          toReal;
 161     m_text->GetSelection(&fromReal, &toReal);
 162     CPPUNIT_ASSERT_EQUAL( from, fromReal );
 163     CPPUNIT_ASSERT_EQUAL( to, toReal );
 164     CPPUNIT_ASSERT_EQUAL( sel, m_text->GetStringSelection() );
 165
 166     CPPUNIT_ASSERT_EQUAL( from, m_text->GetInsertionPoint() );
 167 }
 168
 169 void TextCtrlTestCase::Selection()
 170 {
 171     m_text->SetValue("0123456789");
 172
 173     m_text->SetSelection(2, 4);
 174     AssertSelection(2, 4, "23"); // not "234"!
 175
 176     m_text->SetSelection(3, -1);
 177     AssertSelection(3, 10, "3456789");
 178
 179     m_text->SelectAll();
 180     AssertSelection(0, 10, "0123456789");
 181
 182     m_text->SetSelection(0, 0);
 183     CPPUNIT_ASSERT( !m_text->HasSelection() );
 184 }