kicad/qa/geometry/test_iterator.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 CERN
* @author Alejandro García Montoro <alejandro.garciamontoro@gmail.com>
*
* 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
*/
#include <boost/test/unit_test.hpp>
#include <boost/test/test_case_template.hpp>
#include <geometry/shape_poly_set.h>
#include <geometry/shape_line_chain.h>
#include <qa/data/fixtures_geometry.h>
/**
* Declares the IteratorFixture as the boost test suite fixture.
*/
BOOST_FIXTURE_TEST_SUITE( PolygonIterator, IteratorFixture )
/**
* Checks whether the iteration on the vertices of a common polygon is correct.
*/
BOOST_AUTO_TEST_CASE( VertexIterator )
{
SHAPE_POLY_SET::ITERATOR iterator;
int vertexIndex = 0;
for( iterator = common.holeyPolySet.IterateWithHoles(); iterator; iterator++ )
{
BOOST_CHECK_EQUAL( common.holeyPoints[vertexIndex], *iterator );
vertexIndex++;
}
}
/**
* Checks whether the iteration on the segments of a common polygon is correct.
*/
BOOST_AUTO_TEST_CASE( SegmentIterator )
{
SHAPE_POLY_SET::SEGMENT_ITERATOR iterator;
int segmentIndex = 0;
for( iterator = common.holeyPolySet.IterateSegmentsWithHoles(); iterator; iterator++ ){
SEG segment = *iterator;
BOOST_CHECK_EQUAL( common.holeySegments[segmentIndex].A, segment.A );
BOOST_CHECK_EQUAL( common.holeySegments[segmentIndex].B, segment.B );
segmentIndex++;
}
}
/**
* Checks whether the iteration on the segments of an empty polygon is correct.
*/
BOOST_AUTO_TEST_CASE( EmptyPolygon )
{
SHAPE_POLY_SET::SEGMENT_ITERATOR iterator;
for( iterator = common.emptyPolySet.IterateSegmentsWithHoles(); iterator; iterator++ )
{
BOOST_FAIL( "Empty set is being iterated!" );
}
}
/**
* Checks whether the iteration on the segments of a polygon with one vertex is correct.
*/
BOOST_AUTO_TEST_CASE( UniqueVertex )
{
SHAPE_POLY_SET::SEGMENT_ITERATOR iterator;
iterator = common.uniqueVertexPolySet.IterateSegmentsWithHoles();
SEG segment = *iterator;
BOOST_CHECK_EQUAL( segment.A, common.uniquePoints[0] );
BOOST_CHECK_EQUAL( segment.B, common.uniquePoints[0] );
iterator++;
BOOST_CHECK( !iterator );
}
/**
* Checks whether the counting of the total number of vertices is correct.
*/
BOOST_AUTO_TEST_CASE( TotalVertices )
{
BOOST_CHECK_EQUAL( common.emptyPolySet.TotalVertices(), 0 );
BOOST_CHECK_EQUAL( common.uniqueVertexPolySet.TotalVertices(), 1 );
BOOST_CHECK_EQUAL( common.solidPolySet.TotalVertices(), 0 );
BOOST_CHECK_EQUAL( common.holeyPolySet.TotalVertices(), 12 );
}
/**
* Checks whether the removal of null segments, wherever they are placed, is correct.
*/
BOOST_AUTO_TEST_CASE( RemoveNullSegments )
{
SHAPE_POLY_SET polygonSets[3] = {lastNullSegmentPolySet,
firstNullSegmentPolySet,
insideNullSegmentPolySet};
for( SHAPE_POLY_SET polygonSet : polygonSets )
{
BOOST_CHECK_EQUAL( polygonSet.TotalVertices(), 4 );
BOOST_CHECK_EQUAL( polygonSet.RemoveNullSegments(), 1);
BOOST_CHECK_EQUAL( polygonSet.TotalVertices(), 3 );
BOOST_CHECK_EQUAL( polygonSet.CVertex(0), nullPoints[0] );
BOOST_CHECK_EQUAL( polygonSet.CVertex(1), nullPoints[1] );
BOOST_CHECK_EQUAL( polygonSet.CVertex(2), nullPoints[2] );
}
}
BOOST_AUTO_TEST_SUITE_END()