122 lines
4.2 KiB
C++
122 lines
4.2 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) 2021 KiCad Developers, see AUTHORS.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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#include <qa_utils/wx_utils/unit_test_utils.h>
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#include <math/util.h>
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// Code under test
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#include <eda_rect.h>
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/**
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* Declare the test suite
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*/
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BOOST_AUTO_TEST_SUITE( EdaRect )
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/**
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* Check inflation and deflation
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*/
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BOOST_AUTO_TEST_CASE( Inflate )
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{
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int width = 20;
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int height = 30;
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wxSize sizes[] = { wxSize( width, height ), wxSize( width, -height ), wxSize( -width, height ),
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wxSize( -width, -height ) };
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// We need also to check what happens when deflation exceeds the size.
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int deltas[] = { width, width / 2, width / 4 };
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for( int delta : deltas )
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{
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for( wxSize size : sizes )
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{
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wxPoint origin = wxPoint( 100, 100 );
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EDA_RECT rect( origin, size );
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// The four corners of the rectangle.
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wxPoint corners[] = { origin + wxSize( 0, 0 ), origin + wxSize( 0, size.y ),
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origin + wxSize( size.x, 0 ), origin + wxSize( size.x, size.y ) };
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// Inflation
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wxPoint inflation_corners[] = {
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corners[0] + wxSize( -delta * sign( size.x ), -delta * sign( size.y ) ),
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corners[1] + wxSize( -delta * sign( size.x ), delta * sign( size.y ) ),
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corners[2] + wxSize( delta * sign( size.x ), -delta * sign( size.y ) ),
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corners[3] + wxSize( delta * sign( size.x ), delta * sign( size.y ) )
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};
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for( wxPoint corner : inflation_corners )
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{
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EDA_RECT inflated_rect = rect;
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inflated_rect.Inflate( delta );
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BOOST_CHECK( !rect.Contains( corner ) );
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BOOST_CHECK( inflated_rect.Contains( corner ) );
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}
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// Deflation
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wxPoint deflation_corners[] = {
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corners[0]
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+ wxSize( ( delta - 1 ) * sign( size.x ), ( delta - 1 ) * sign( size.y ) ),
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corners[1]
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+ wxSize( ( delta - 1 ) * sign( size.x ), -( delta - 1 ) * sign( size.y ) ),
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corners[2]
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+ wxSize( -( delta - 1 ) * sign( size.x ), ( delta - 1 ) * sign( size.y ) ),
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corners[3]
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+ wxSize( -( delta - 1 ) * sign( size.x ), -( delta - 1 ) * sign( size.y ) )
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};
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for( wxPoint corner : deflation_corners )
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{
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EDA_RECT deflated_rect = rect;
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deflated_rect.Inflate( -delta );
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// If true, deflation exceeds the size.
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bool zeroed = false;
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if( abs( rect.GetSize().x ) < 2 * delta )
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{
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BOOST_CHECK_EQUAL( deflated_rect.GetSize().x, 0 );
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zeroed = true;
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}
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if( abs( rect.GetSize().y ) < 2 * delta )
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{
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BOOST_CHECK_EQUAL( deflated_rect.GetSize().y, 0 );
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zeroed = true;
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}
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if( !zeroed )
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{
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BOOST_CHECK( rect.Contains( corner ) );
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BOOST_CHECK( !deflated_rect.Contains( corner ) );
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}
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}
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}
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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