tests/geometry/point.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/geometry/point.cpp
   3 // Purpose:     wxPoint unit test
   4 // Author:      Wlodzimierz ABX Skiba
   5 // Created:     2004-12-14
   6 // Copyright:   (c) 2004 wxWindows
   7 ///////////////////////////////////////////////////////////////////////////////
   8
   9 // ----------------------------------------------------------------------------
  10 // headers
  11 // ----------------------------------------------------------------------------
  12
  13 #include "testprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/gdicmn.h"
  21 #endif // WX_PRECOMP
  22
  23 #include "wx/math.h"
  24
  25 // ----------------------------------------------------------------------------
  26 // test class
  27 // ----------------------------------------------------------------------------
  28
  29 class PointTestCase : public CppUnit::TestCase
  30 {
  31 public:
  32     PointTestCase() { }
  33
  34 private:
  35     CPPUNIT_TEST_SUITE( PointTestCase );
  36         CPPUNIT_TEST( Operators );
  37     CPPUNIT_TEST_SUITE_END();
  38
  39     void Operators();
  40
  41     DECLARE_NO_COPY_CLASS(PointTestCase)
  42 };
  43
  44 class RealPointTestCase : public CppUnit::TestCase
  45 {
  46 public:
  47     RealPointTestCase() { }
  48
  49 private:
  50     CPPUNIT_TEST_SUITE( RealPointTestCase );
  51         CPPUNIT_TEST( Operators );
  52     CPPUNIT_TEST_SUITE_END();
  53
  54     void Operators();
  55
  56     DECLARE_NO_COPY_CLASS(RealPointTestCase)
  57 };
  58
  59 // register in the unnamed registry so that these tests are run by default
  60 CPPUNIT_TEST_SUITE_REGISTRATION( PointTestCase );
  61 CPPUNIT_TEST_SUITE_REGISTRATION( RealPointTestCase );
  62
  63 // also include in its own registry so that these tests can be run alone
  64 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( PointTestCase, "PointTestCase" );
  65 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( RealPointTestCase, "RealPointTestCase" );
  66
  67 void PointTestCase::Operators()
  68 {
  69     wxPoint p1(1,2);
  70     wxPoint p2(6,3);
  71     wxPoint p3(7,5);
  72     wxPoint p4(5,1);
  73     wxPoint p5 = p2 + p1;
  74     wxPoint p6 = p2 - p1;
  75     CPPUNIT_ASSERT( p3.x == p5.x && p3.y == p5.y );
  76     CPPUNIT_ASSERT( p4.x == p6.x && p4.y == p6.y );
  77     CPPUNIT_ASSERT( p3 == p5 );
  78     CPPUNIT_ASSERT( p4 == p6 );
  79     CPPUNIT_ASSERT( p3 != p4 );
  80     p5 = p2; p5 += p1;
  81     p6 = p2; p6 -= p1;
  82     CPPUNIT_ASSERT( p3 == p5 );
  83     CPPUNIT_ASSERT( p4 == p6 );
  84     wxSize s(p1.x,p1.y);
  85     p5 = p2; p5 = p2 + s;
  86     p6 = p2; p6 = p2 - s;
  87     CPPUNIT_ASSERT( p3 == p5 );
  88     CPPUNIT_ASSERT( p4 == p6 );
  89     p5 = p2; p5 = s + p2;
  90     p6 = p2; p6 = s - p2;
  91     CPPUNIT_ASSERT( p3 == p5 );
  92     CPPUNIT_ASSERT( p4 == -p6 );
  93     p5 = p2; p5 += s;
  94     p6 = p2; p6 -= s;
  95     CPPUNIT_ASSERT( p3 == p5 );
  96     CPPUNIT_ASSERT( p4 == p6 );
  97 }
  98
  99 void RealPointTestCase::Operators()
 100 {
 101     const double EPSILON = 0.00001;
 102     wxRealPoint p1(1.2,3.4);
 103     wxRealPoint p2(8.7,5.4);
 104     wxRealPoint p3(9.9,8.8);
 105     wxRealPoint p4(7.5,2.0);
 106     wxRealPoint p5 = p2 + p1;
 107     wxRealPoint p6 = p2 - p1;
 108     /*
 109     CPPUNIT_ASSERT( p3 == p5 );
 110     CPPUNIT_ASSERT( p4 == p6 );
 111     CPPUNIT_ASSERT( p3 != p4 );
 112     */
 113     CPPUNIT_ASSERT( fabs( p3.x - p5.x ) < EPSILON && fabs( p3.y - p5.y ) < EPSILON );
 114     CPPUNIT_ASSERT( fabs( p4.x - p6.x ) < EPSILON && fabs( p4.y - p6.y ) < EPSILON );
 115 }