tests/controls/comboboxtest.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/controls/comboboxtest.cpp
   3 // Purpose:     wxComboBox 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/combobox.h"
  23 #endif // WX_PRECOMP
  24
  25 #include "textentrytest.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // test class
  29 // ----------------------------------------------------------------------------
  30
  31 class ComboBoxTestCase : public TextEntryTestCase
  32 {
  33 public:
  34     ComboBoxTestCase() { }
  35
  36     virtual void setUp();
  37     virtual void tearDown();
  38
  39 private:
  40     virtual wxTextEntry *GetTestEntry() const { return m_combo; }
  41     virtual wxWindow *GetTestWindow() const { return m_combo; }
  42
  43     virtual void CheckStringSelection(const char * WXUNUSED(sel))
  44     {
  45         // do nothing here, as explained in TextEntryTestCase comment, our
  46         // GetStringSelection() is the wxChoice, not wxTextEntry, one and there
  47         // is no way to return the selection contents directly
  48     }
  49
  50     CPPUNIT_TEST_SUITE( ComboBoxTestCase );
  51         wxTEXT_ENTRY_TESTS();
  52
  53         CPPUNIT_TEST( Size );
  54     CPPUNIT_TEST_SUITE_END();
  55
  56     void Size();
  57
  58     wxComboBox *m_combo;
  59
  60     DECLARE_NO_COPY_CLASS(ComboBoxTestCase)
  61 };
  62
  63 // register in the unnamed registry so that these tests are run by default
  64 CPPUNIT_TEST_SUITE_REGISTRATION( ComboBoxTestCase );
  65
  66 // also include in it's own registry so that these tests can be run alone
  67 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ComboBoxTestCase, "ComboBoxTestCase" );
  68
  69 // ----------------------------------------------------------------------------
  70 // test initialization
  71 // ----------------------------------------------------------------------------
  72
  73 void ComboBoxTestCase::setUp()
  74 {
  75     m_combo = new wxComboBox(wxTheApp->GetTopWindow(), wxID_ANY);
  76 }
  77
  78 void ComboBoxTestCase::tearDown()
  79 {
  80     delete m_combo;
  81     m_combo = NULL;
  82 }
  83
  84 // ----------------------------------------------------------------------------
  85 // tests themselves
  86 // ----------------------------------------------------------------------------
  87
  88 void ComboBoxTestCase::Size()
  89 {
  90     // under MSW changing combobox size is a non-trivial operation because of
  91     // confusion between the size of the control with and without dropdown, so
  92     // check that it does work as expected
  93
  94     const int heightOrig = m_combo->GetSize().y;
  95
  96     // check that the height doesn't change if we don't touch it
  97     m_combo->SetSize(100, -1);
  98     CPPUNIT_ASSERT_EQUAL( heightOrig, m_combo->GetSize().y );
  99
 100     // check that setting both big and small (but not too small, there is a
 101     // limit on how small the control can become under MSW) heights works
 102     m_combo->SetSize(-1, 50);
 103     CPPUNIT_ASSERT_EQUAL( 50, m_combo->GetSize().y );
 104
 105     m_combo->SetSize(-1, 10);
 106     CPPUNIT_ASSERT_EQUAL( 10, m_combo->GetSize().y );
 107
 108     // and also that restoring it works (this used to be broken before 2.9.1)
 109     m_combo->SetSize(-1, heightOrig);
 110     CPPUNIT_ASSERT_EQUAL( heightOrig, m_combo->GetSize().y );
 111 }
 112