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( InsertionPoint );
  43     CPPUNIT_TEST_SUITE_END();
  44
  45     void SetValue();
  46     void TextChangeEvents();
  47     void Selection();
  48     void InsertionPoint();
  49
  50     // Selection() test helper: verify that selection is as described by the
  51     // function parameters
  52     void AssertSelection(int from, int to, const char *sel);
  53
  54     wxTextCtrl *m_text;
  55     wxFrame *m_frame;
  56
  57     DECLARE_NO_COPY_CLASS(TextCtrlTestCase)
  58 };
  59
  60 // register in the unnamed registry so that these tests are run by default
  61 CPPUNIT_TEST_SUITE_REGISTRATION( TextCtrlTestCase );
  62
  63 // also include in it's own registry so that these tests can be run alone
  64 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( TextCtrlTestCase, "TextCtrlTestCase" );
  65
  66 // ----------------------------------------------------------------------------
  67 // test initialization
  68 // ----------------------------------------------------------------------------
  69
  70 void TextCtrlTestCase::setUp()
  71 {
  72     m_text = new wxTextCtrl(wxTheApp->GetTopWindow(), wxID_ANY);
  73 }
  74
  75 void TextCtrlTestCase::tearDown()
  76 {
  77     delete m_text;
  78     m_text = NULL;
  79 }
  80
  81 // ----------------------------------------------------------------------------
  82 // tests themselves
  83 // ----------------------------------------------------------------------------
  84
  85 void TextCtrlTestCase::SetValue()
  86 {
  87     CPPUNIT_ASSERT( m_text->IsEmpty() );
  88
  89     m_text->SetValue("foo");
  90     CPPUNIT_ASSERT_EQUAL( "foo", m_text->GetValue() );
  91
  92     m_text->SetValue("");
  93     CPPUNIT_ASSERT( m_text->IsEmpty() );
  94
  95     m_text->SetValue("hi");
  96     CPPUNIT_ASSERT_EQUAL( "hi", m_text->GetValue() );
  97
  98     m_text->SetValue("bye");
  99     CPPUNIT_ASSERT_EQUAL( "bye", m_text->GetValue() );
 100 }
 101
 102 void TextCtrlTestCase::TextChangeEvents()
 103 {
 104     class TextTestEventHandler : public wxEvtHandler
 105     {
 106     public:
 107         TextTestEventHandler() { m_events = 0; }
 108
 109         // calling this automatically resets the events counter
 110         int GetEvents()
 111         {
 112             const int events = m_events;
 113             m_events = 0;
 114             return events;
 115         }
 116
 117         void OnText(wxCommandEvent& WXUNUSED(event)) { m_events++; }
 118
 119     private:
 120         int m_events;
 121     } handler;
 122
 123     m_text->Connect(wxEVT_COMMAND_TEXT_UPDATED,
 124                     wxCommandEventHandler(TextTestEventHandler::OnText),
 125                     NULL,
 126                     &handler);
 127
 128     // notice that SetValue() generates an event even if the text didn't change
 129     m_text->SetValue("");
 130     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 131
 132     m_text->SetValue("foo");
 133     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 134
 135     m_text->SetValue("foo");
 136     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 137
 138     m_text->ChangeValue("bar");
 139     CPPUNIT_ASSERT_EQUAL( 0, handler.GetEvents() );
 140
 141     m_text->AppendText("bar");
 142     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 143
 144     m_text->Replace(3, 6, "baz");
 145     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 146
 147     m_text->Remove(0, 3);
 148     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 149
 150     m_text->WriteText("foo");
 151     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 152
 153     m_text->Clear();
 154     CPPUNIT_ASSERT_EQUAL( 1, handler.GetEvents() );
 155 }
 156
 157 void TextCtrlTestCase::AssertSelection(int from, int to, const char *sel)
 158 {
 159     CPPUNIT_ASSERT( m_text->HasSelection() );
 160
 161     long fromReal,
 162          toReal;
 163     m_text->GetSelection(&fromReal, &toReal);
 164     CPPUNIT_ASSERT_EQUAL( from, fromReal );
 165     CPPUNIT_ASSERT_EQUAL( to, toReal );
 166     CPPUNIT_ASSERT_EQUAL( sel, m_text->GetStringSelection() );
 167
 168     CPPUNIT_ASSERT_EQUAL( from, m_text->GetInsertionPoint() );
 169 }
 170
 171 void TextCtrlTestCase::Selection()
 172 {
 173     m_text->SetValue("0123456789");
 174
 175     m_text->SetSelection(2, 4);
 176     AssertSelection(2, 4, "23"); // not "234"!
 177
 178     m_text->SetSelection(3, -1);
 179     AssertSelection(3, 10, "3456789");
 180
 181     m_text->SelectAll();
 182     AssertSelection(0, 10, "0123456789");
 183
 184     m_text->SetSelection(0, 0);
 185     CPPUNIT_ASSERT( !m_text->HasSelection() );
 186 }
 187
 188 void TextCtrlTestCase::InsertionPoint()
 189 {
 190     CPPUNIT_ASSERT_EQUAL( 0, m_text->GetLastPosition() );
 191     CPPUNIT_ASSERT_EQUAL( 0, m_text->GetInsertionPoint() );
 192
 193     m_text->SetValue("0"); // should put the insertion point in front
 194     CPPUNIT_ASSERT_EQUAL( 1, m_text->GetLastPosition() );
 195     CPPUNIT_ASSERT_EQUAL( 0, m_text->GetInsertionPoint() );
 196
 197     m_text->AppendText("12"); // should update the insertion point position
 198     CPPUNIT_ASSERT_EQUAL( 3, m_text->GetLastPosition() );
 199     CPPUNIT_ASSERT_EQUAL( 3, m_text->GetInsertionPoint() );
 200
 201     m_text->SetInsertionPoint(1);
 202     CPPUNIT_ASSERT_EQUAL( 3, m_text->GetLastPosition() );
 203     CPPUNIT_ASSERT_EQUAL( 1, m_text->GetInsertionPoint() );
 204
 205     m_text->SetInsertionPointEnd();
 206     CPPUNIT_ASSERT_EQUAL( 3, m_text->GetInsertionPoint() );
 207
 208     m_text->SetInsertionPoint(0);
 209     m_text->WriteText("-"); // should move it after the written text
 210     CPPUNIT_ASSERT_EQUAL( 4, m_text->GetLastPosition() );
 211     CPPUNIT_ASSERT_EQUAL( 1, m_text->GetInsertionPoint() );
 212 }
 213