142 lines
4.4 KiB
C++
142 lines
4.4 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2022 KiCad Developers, see AUTHORS.TXT for contributors.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, you may find one here:
|
|
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|
* or you may search the http://www.gnu.org website for the version 2 license,
|
|
* or you may write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
/**
|
|
* Test suite for KiCad math code.
|
|
*/
|
|
|
|
#include <qa_utils/wx_utils/unit_test_utils.h>
|
|
|
|
// Code under test
|
|
#include <math/box2.h>
|
|
|
|
/**
|
|
* Declare the test suite
|
|
*/
|
|
BOOST_AUTO_TEST_SUITE( BOX2TESTS )
|
|
|
|
BOOST_AUTO_TEST_CASE( test_closest_point_to, *boost::unit_test::tolerance( 0.000001 ) )
|
|
{
|
|
BOX2D box( VECTOR2D( 1, 2 ), VECTOR2D( 3, 4 ) );
|
|
|
|
// check all quadrants
|
|
|
|
// top left
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 0, 0 ) ) == VECTOR2D( 1, 2 ) );
|
|
|
|
// top
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 2, 0 ) ) == VECTOR2D( 2, 2 ) );
|
|
|
|
// top right
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 6, 0 ) ) == VECTOR2D( 4, 2 ) );
|
|
|
|
// right
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 6, 5 ) ) == VECTOR2D( 4, 5 ) );
|
|
|
|
// bottom right
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 6, 7 ) ) == VECTOR2D( 4, 6 ) );
|
|
|
|
// bottom
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 3, 7 ) ) == VECTOR2D( 3, 6 ) );
|
|
|
|
// bottom left
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 0, 7 ) ) == VECTOR2D( 1, 6 ) );
|
|
|
|
// left
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 0, 3 ) ) == VECTOR2D( 1, 3 ) );
|
|
|
|
// inside
|
|
BOOST_CHECK( box.ClosestPointTo( VECTOR2D( 2, 4 ) ) == VECTOR2D( 2, 4 ) );
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_farthest_point_to, *boost::unit_test::tolerance( 0.000001 ) )
|
|
{
|
|
BOX2D box( VECTOR2D( 1, 2 ), VECTOR2D( 3, 4 ) );
|
|
|
|
// note: the farthest point always is on a corner of the box
|
|
|
|
// outside:
|
|
|
|
// top left
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 0, 0 ) ) == VECTOR2D( 4, 6 ) );
|
|
|
|
// top right
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 6, 0 ) ) == VECTOR2D( 1, 6 ) );
|
|
|
|
// bottom right
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 6, 7 ) ) == VECTOR2D( 1, 2 ) );
|
|
|
|
// bottom left
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 0, 7 ) ) == VECTOR2D( 4, 2 ) );
|
|
|
|
// inside:
|
|
|
|
// top left
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 2, 3 ) ) == VECTOR2D( 4, 6 ) );
|
|
|
|
// top right
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 3, 3 ) ) == VECTOR2D( 1, 6 ) );
|
|
|
|
// bottom right
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 3, 5 ) ) == VECTOR2D( 1, 2 ) );
|
|
|
|
// bottom left
|
|
BOOST_CHECK( box.FarthestPointTo( VECTOR2D( 2, 5 ) ) == VECTOR2D( 4, 2 ) );
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_intersects_circle, *boost::unit_test::tolerance( 0.000001 ) )
|
|
{
|
|
BOX2D box( VECTOR2D( 1, 2 ), VECTOR2D( 6, 8 ) );
|
|
|
|
// box inside circle (touching corners)
|
|
BOOST_CHECK( box.IntersectsCircle( VECTOR2D( 4, 6 ), 5 ) == true );
|
|
|
|
// box completely inside circle
|
|
BOOST_CHECK( box.IntersectsCircle( VECTOR2D( 4, 6 ), 6 ) == true );
|
|
|
|
// circle completely inside box
|
|
BOOST_CHECK( box.IntersectsCircle( VECTOR2D( 4, 6 ), 2 ) == true );
|
|
|
|
// circle outside box
|
|
BOOST_CHECK( box.IntersectsCircle( VECTOR2D( 14, 6 ), 5 ) == false );
|
|
}
|
|
|
|
BOOST_AUTO_TEST_CASE( test_intersects_circle_edge, *boost::unit_test::tolerance( 0.000001 ) )
|
|
{
|
|
BOX2D box( VECTOR2D( 1, 2 ), VECTOR2D( 6, 8 ) );
|
|
|
|
// box touching edge
|
|
BOOST_CHECK( box.IntersectsCircleEdge( VECTOR2D( 4, 6 ), 5, 1 ) == true );
|
|
|
|
// box completely inside circle
|
|
BOOST_CHECK( box.IntersectsCircleEdge( VECTOR2D( 4, 6 ), 6, 1 ) == false );
|
|
|
|
// circle completely inside box
|
|
BOOST_CHECK( box.IntersectsCircleEdge( VECTOR2D( 4, 6 ), 2, 1 ) == true );
|
|
|
|
// circle outside box
|
|
BOOST_CHECK( box.IntersectsCircleEdge( VECTOR2D( 14, 6 ), 5, 1 ) == false );
|
|
}
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|