tests/geometry/rect.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/geometry/rect.cpp
   3 // Purpose:     wxRect unit test
   4 // Author:      Vadim Zeitlin
   5 // Created:     2004-12-11
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 wxWindows
   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 #endif // WX_PRECOMP
  22
  23 #include "wx/gdicmn.h"
  24
  25 // ----------------------------------------------------------------------------
  26 // test class
  27 // ----------------------------------------------------------------------------
  28
  29 class RectTestCase : public CppUnit::TestCase
  30 {
  31 public:
  32     RectTestCase() { }
  33
  34 private:
  35     CPPUNIT_TEST_SUITE( RectTestCase );
  36         CPPUNIT_TEST( Union );
  37     CPPUNIT_TEST_SUITE_END();
  38
  39     void Union();
  40
  41     DECLARE_NO_COPY_CLASS(RectTestCase)
  42 };
  43
  44 // register in the unnamed registry so that these tests are run by default
  45 CPPUNIT_TEST_SUITE_REGISTRATION( RectTestCase );
  46
  47 // also include in it's own registry so that these tests can be run alone
  48 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( RectTestCase, "RectTestCase" );
  49
  50 void RectTestCase::Union()
  51 {
  52     static const struct RectData
  53     {
  54         int x1, y1, w1, h1;
  55         int x2, y2, w2, h2;
  56         int x, y, w, h;
  57
  58         wxRect GetFirst() const { return wxRect(x1, y1, w1, h1); }
  59         wxRect GetSecond() const { return wxRect(x2, y2, w2, h2); }
  60         wxRect GetResult() const { return wxRect(x, y, w, h); }
  61     } s_rects[] =
  62     {
  63         { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 },
  64         { 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1 },
  65         { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
  66         { 1, 1, 1, 1, 4, 4, 1, 1, 1, 1, 4, 4 },
  67         { 1, 1, 2, 2, 4, 4, 1, 1, 1, 1, 4, 4 },
  68         { 2, 2, 2, 2, 4, 4, 4, 4, 2, 2, 6, 6 },
  69         { 1, 1, 4, 4, 4, 4, 1, 1, 1, 1, 4, 4 },
  70     };
  71
  72     for ( size_t n = 0; n < WXSIZEOF(s_rects); n++ )
  73     {
  74         const RectData& data = s_rects[n];
  75
  76         CPPUNIT_ASSERT(
  77             data.GetFirst().Union(data.GetSecond()) == data.GetResult()
  78         );
  79
  80         CPPUNIT_ASSERT(
  81             data.GetSecond().Union(data.GetFirst()) == data.GetResult()
  82         );
  83     }
  84 }
  85