kicad/qa/eeschema/test_lib_arc.cpp

121 lines
3.8 KiB
C++
Raw Normal View History

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 KiCad Developers, see CHANGELOG.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
*/
/**
* @file
* Test suite for LIB_ARC
*/
#include <unit_test_utils/unit_test_utils.h>
#include <trigo.h>
#include <convert_to_biu.h>
// Code under test
#include <lib_arc.h>
class TEST_LIB_ARC_FIXTURE
{
public:
TEST_LIB_ARC_FIXTURE() :
m_arc( nullptr )
{
}
///> Part with no extra data set
LIB_ARC m_arc;
};
/**
* Declare the test suite
*/
BOOST_FIXTURE_TEST_SUITE( LibArc, TEST_LIB_ARC_FIXTURE )
/**
* Check that we can get the default properties out as expected
*/
BOOST_AUTO_TEST_CASE( DefaultProperties )
{
BOOST_CHECK_EQUAL( m_arc.Type(), LIB_ARC_T );
BOOST_CHECK_EQUAL( m_arc.GetClass(), "LIB_ARC" );
BOOST_CHECK_EQUAL( m_arc.GetPosition(), wxPoint( 0, 0 ) );
}
/**
* Test the function that calculates the radius angles based on the center, start, and end points.
*/
BOOST_AUTO_TEST_CASE( TestCalcRadiusAngles )
{
double radius = 5.0; // Use millimeters and convert to internal units.
int startX = Millimeter2iu( radius * cos( DEG2RAD( 10.0 ) ) );
int startY = Millimeter2iu( radius * sin( DEG2RAD( 10.0 ) ) );
int endX = Millimeter2iu( radius * cos( DEG2RAD( 45.0 ) ) );
int endY = Millimeter2iu( radius * sin( DEG2RAD( 45.0 ) ) );
m_arc.SetStart( wxPoint( startX, startY ) );
m_arc.SetEnd( wxPoint( endX, endY ) );
m_arc.CalcRadiusAngles();
BOOST_CHECK_EQUAL( m_arc.GetFirstRadiusAngle(), 100 );
BOOST_CHECK_EQUAL( m_arc.GetSecondRadiusAngle(), 450 );
// Set arc end point in the second quadrant.
endX = Millimeter2iu( radius * cos( DEG2RAD( 145.0 ) ) );
endY = Millimeter2iu( radius * sin( DEG2RAD( 145.0 ) ) );
m_arc.SetEnd( wxPoint( endX, endY ) );
m_arc.CalcRadiusAngles();
BOOST_CHECK_EQUAL( m_arc.GetFirstRadiusAngle(), 100 );
BOOST_CHECK_EQUAL( m_arc.GetSecondRadiusAngle(), 1450 );
}
/**
* Test the function that calculates the mid point based on the start and end angles and
* radius length.
*/
BOOST_AUTO_TEST_CASE( TestCalcMidPoint )
{
// Midpoint angle is 77.5 degrees.
m_arc.SetRadius( Millimeter2iu( 5.0 ) );
m_arc.SetFirstRadiusAngle( 100 );
m_arc.SetSecondRadiusAngle( 1450 );
BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 10822, 48815 ) );
m_arc.SetFirstRadiusAngle( 850 );
m_arc.SetSecondRadiusAngle( 950 );
BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 0, 50000 ) );
m_arc.SetFirstRadiusAngle( 1700 );
m_arc.SetSecondRadiusAngle( 1900 );
BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( -50000, 0 ) );
m_arc.SetFirstRadiusAngle( 2500 );
m_arc.SetSecondRadiusAngle( 2900 );
BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 0, -50000 ) );
m_arc.SetFirstRadiusAngle( 3500 );
m_arc.SetSecondRadiusAngle( 100 );
BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 50000, 0 ) );
}
BOOST_AUTO_TEST_SUITE_END()