121 lines
3.8 KiB
C++
121 lines
3.8 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2020 KiCad Developers, see CHANGELOG.TXT for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file
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* Test suite for LIB_ARC
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*/
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#include <unit_test_utils/unit_test_utils.h>
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#include <trigo.h>
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#include <convert_to_biu.h>
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// Code under test
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#include <lib_arc.h>
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class TEST_LIB_ARC_FIXTURE
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{
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public:
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TEST_LIB_ARC_FIXTURE() :
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m_arc( nullptr )
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{
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}
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///> Part with no extra data set
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LIB_ARC m_arc;
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};
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/**
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* Declare the test suite
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*/
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BOOST_FIXTURE_TEST_SUITE( LibArc, TEST_LIB_ARC_FIXTURE )
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/**
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* Check that we can get the default properties out as expected
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*/
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BOOST_AUTO_TEST_CASE( DefaultProperties )
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{
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BOOST_CHECK_EQUAL( m_arc.Type(), LIB_ARC_T );
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BOOST_CHECK_EQUAL( m_arc.GetClass(), "LIB_ARC" );
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BOOST_CHECK_EQUAL( m_arc.GetPosition(), wxPoint( 0, 0 ) );
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}
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/**
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* Test the function that calculates the radius angles based on the center, start, and end points.
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*/
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BOOST_AUTO_TEST_CASE( TestCalcRadiusAngles )
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{
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double radius = 5.0; // Use millimeters and convert to internal units.
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int startX = Millimeter2iu( radius * cos( DEG2RAD( 10.0 ) ) );
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int startY = Millimeter2iu( radius * sin( DEG2RAD( 10.0 ) ) );
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int endX = Millimeter2iu( radius * cos( DEG2RAD( 45.0 ) ) );
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int endY = Millimeter2iu( radius * sin( DEG2RAD( 45.0 ) ) );
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m_arc.SetStart( wxPoint( startX, startY ) );
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m_arc.SetEnd( wxPoint( endX, endY ) );
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m_arc.CalcRadiusAngles();
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BOOST_CHECK_EQUAL( m_arc.GetFirstRadiusAngle(), 100 );
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BOOST_CHECK_EQUAL( m_arc.GetSecondRadiusAngle(), 450 );
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// Set arc end point in the second quadrant.
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endX = Millimeter2iu( radius * cos( DEG2RAD( 145.0 ) ) );
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endY = Millimeter2iu( radius * sin( DEG2RAD( 145.0 ) ) );
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m_arc.SetEnd( wxPoint( endX, endY ) );
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m_arc.CalcRadiusAngles();
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BOOST_CHECK_EQUAL( m_arc.GetFirstRadiusAngle(), 100 );
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BOOST_CHECK_EQUAL( m_arc.GetSecondRadiusAngle(), 1450 );
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}
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/**
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* Test the function that calculates the mid point based on the start and end angles and
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* radius length.
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*/
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BOOST_AUTO_TEST_CASE( TestCalcMidPoint )
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{
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// Midpoint angle is 77.5 degrees.
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m_arc.SetRadius( Millimeter2iu( 5.0 ) );
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m_arc.SetFirstRadiusAngle( 100 );
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m_arc.SetSecondRadiusAngle( 1450 );
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BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 10822, 48815 ) );
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m_arc.SetFirstRadiusAngle( 850 );
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m_arc.SetSecondRadiusAngle( 950 );
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BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 0, 50000 ) );
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m_arc.SetFirstRadiusAngle( 1700 );
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m_arc.SetSecondRadiusAngle( 1900 );
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BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( -50000, 0 ) );
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m_arc.SetFirstRadiusAngle( 2500 );
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m_arc.SetSecondRadiusAngle( 2900 );
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BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 0, -50000 ) );
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m_arc.SetFirstRadiusAngle( 3500 );
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m_arc.SetSecondRadiusAngle( 100 );
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BOOST_CHECK_EQUAL( m_arc.CalcMidPoint(), VECTOR2I( 50000, 0 ) );
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}
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BOOST_AUTO_TEST_SUITE_END()
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