tests/graphics/colour.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/graphics/colour.cpp
   3 // Purpose:     wxColour unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2009-09-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2009 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 #include "wx/colour.h"
  21 #include "asserthelper.h"
  22
  23 // ----------------------------------------------------------------------------
  24 // test class
  25 // ----------------------------------------------------------------------------
  26
  27 class ColourTestCase : public CppUnit::TestCase
  28 {
  29 public:
  30     ColourTestCase() { }
  31
  32 private:
  33     CPPUNIT_TEST_SUITE( ColourTestCase );
  34         CPPUNIT_TEST( GetSetRGB );
  35     CPPUNIT_TEST_SUITE_END();
  36
  37     void GetSetRGB();
  38
  39     DECLARE_NO_COPY_CLASS(ColourTestCase)
  40 };
  41
  42 // register in the unnamed registry so that these tests are run by default
  43 CPPUNIT_TEST_SUITE_REGISTRATION( ColourTestCase );
  44
  45 // also include in it's own registry so that these tests can be run alone
  46 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ColourTestCase, "ColourTestCase" );
  47
  48 void ColourTestCase::GetSetRGB()
  49 {
  50     wxColour c;
  51     c.SetRGB(0x123456);
  52
  53     CPPUNIT_ASSERT_EQUAL( 0x56, (int)c.Red() );
  54     CPPUNIT_ASSERT_EQUAL( 0x34, (int)c.Green() );
  55     CPPUNIT_ASSERT_EQUAL( 0x12, (int)c.Blue() );
  56     CPPUNIT_ASSERT_EQUAL( wxALPHA_OPAQUE, c.Alpha() );
  57
  58     CPPUNIT_ASSERT_EQUAL( wxColour(0x123456), c );
  59     CPPUNIT_ASSERT_EQUAL( 0x123456, c.GetRGB() );
  60
  61     c.SetRGBA(0xaabbccdd);
  62
  63     CPPUNIT_ASSERT_EQUAL( 0xdd, (int)c.Red() );
  64     CPPUNIT_ASSERT_EQUAL( 0xcc, (int)c.Green() );
  65     CPPUNIT_ASSERT_EQUAL( 0xbb, (int)c.Blue() );
  66     CPPUNIT_ASSERT_EQUAL( 0xaa, (int)c.Alpha() );
  67
  68     // FIXME: at least under wxGTK wxColour ctor doesn't take alpha channel
  69     //        into account: bug or feature?
  70     //CPPUNIT_ASSERT_EQUAL( wxColour(0xaabbccdd), c );
  71     CPPUNIT_ASSERT_EQUAL( 0xbbccdd, c.GetRGB() );
  72     CPPUNIT_ASSERT_EQUAL( 0xaabbccdd, c.GetRGBA() );
  73 }
  74