wxWidgets/tests/geometry/point.cpp

///////////////////////////////////////////////////////////////////////////////
// Name:        tests/geometry/point.cpp
// Purpose:     wxPoint unit test
// Author:      Wlodzimierz ABX Skiba
// Created:     2004-12-14
// Copyright:   (c) 2004 wxWindows
///////////////////////////////////////////////////////////////////////////////

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#include "testprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/gdicmn.h"
#endif // WX_PRECOMP

#include "wx/math.h"

// ----------------------------------------------------------------------------
// test class
// ----------------------------------------------------------------------------

class PointTestCase : public CppUnit::TestCase
{
public:
    PointTestCase() { }

private:
    CPPUNIT_TEST_SUITE( PointTestCase );
        CPPUNIT_TEST( Operators );
    CPPUNIT_TEST_SUITE_END();

    void Operators();

    wxDECLARE_NO_COPY_CLASS(PointTestCase);
};

class RealPointTestCase : public CppUnit::TestCase
{
public:
    RealPointTestCase() { }

private:
    CPPUNIT_TEST_SUITE( RealPointTestCase );
        CPPUNIT_TEST( Operators );
    CPPUNIT_TEST_SUITE_END();

    void Operators();

    wxDECLARE_NO_COPY_CLASS(RealPointTestCase);
};

// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( PointTestCase );
CPPUNIT_TEST_SUITE_REGISTRATION( RealPointTestCase );

// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( PointTestCase, "PointTestCase" );
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( RealPointTestCase, "RealPointTestCase" );

void PointTestCase::Operators()
{
    wxPoint p1(1,2);
    wxPoint p2(6,3);
    wxPoint p3(7,5);
    wxPoint p4(5,1);
    wxPoint p5 = p2 + p1;
    wxPoint p6 = p2 - p1;
    CPPUNIT_ASSERT( p3.x == p5.x );
    CPPUNIT_ASSERT( p3.y == p5.y );
    CPPUNIT_ASSERT( p4.x == p6.x );
    CPPUNIT_ASSERT( p4.y == p6.y );
    CPPUNIT_ASSERT( p3 == p5 );
    CPPUNIT_ASSERT( p4 == p6 );
    CPPUNIT_ASSERT( p3 != p4 );
    p5 = p2; p5 += p1;
    p6 = p2; p6 -= p1;
    CPPUNIT_ASSERT( p3 == p5 );
    CPPUNIT_ASSERT( p4 == p6 );
    wxSize s(p1.x,p1.y);
    p5 = p2; p5 = p2 + s;
    p6 = p2; p6 = p2 - s;
    CPPUNIT_ASSERT( p3 == p5 );
    CPPUNIT_ASSERT( p4 == p6 );
    p5 = p2; p5 = s + p2;
    p6 = p2; p6 = s - p2;
    CPPUNIT_ASSERT( p3 == p5 );
    CPPUNIT_ASSERT( p4 == -p6 );
    p5 = p2; p5 += s;
    p6 = p2; p6 -= s;
    CPPUNIT_ASSERT( p3 == p5 );
    CPPUNIT_ASSERT( p4 == p6 );
}

void RealPointTestCase::Operators()
{
    const double EPSILON = 0.00001;
    wxRealPoint p1(1.2,3.4);
    wxRealPoint p2(8.7,5.4);
    wxRealPoint p3(9.9,8.8);
    wxRealPoint p4(7.5,2.0);
    wxRealPoint p5 = p2 + p1;
    wxRealPoint p6 = p2 - p1;
    /*
    CPPUNIT_ASSERT( p3 == p5 );
    CPPUNIT_ASSERT( p4 == p6 );
    CPPUNIT_ASSERT( p3 != p4 );
    */
    CPPUNIT_ASSERT( fabs( p3.x - p5.x ) < EPSILON );
    CPPUNIT_ASSERT( fabs( p3.y - p5.y ) < EPSILON );
    CPPUNIT_ASSERT( fabs( p4.x - p6.x ) < EPSILON );
    CPPUNIT_ASSERT( fabs( p4.y - p6.y ) < EPSILON );
}