Add qa Test for SHAPE_LINE_CHAIN::Slice
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Roberto Fernandez Bautista
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54942a1401
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fb3a6ef2db
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@ -108,4 +108,156 @@ BOOST_AUTO_TEST_CASE( ArcToPolylineLargeCoords )
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// Test SHAPE_LINE_CHAIN::Slice()
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BOOST_AUTO_TEST_CASE( Slice )
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{
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SEG targetSegment( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ) );
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SHAPE_ARC firstArc( VECTOR2I( 200000, 0 ), VECTOR2I( 300000, 0 ), 180.0 );
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SHAPE_ARC secondArc( VECTOR2I( -200000, -200000 ), VECTOR2I( -300000, -100000 ), -180.0 );
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int tol = SHAPE_ARC::DefaultAccuracyForPCB(); // Tolerance for arc collisions
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// Start a chain with 3 points
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SHAPE_LINE_CHAIN chain( { VECTOR2I( 0, 0 ), VECTOR2I( 0, 100000 ), VECTOR2I( 100000, 0 ) } );
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BOOST_CHECK_EQUAL( chain.PointCount(), 3 );
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// Add first arc
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chain.Append( firstArc );
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BOOST_CHECK_EQUAL( chain.PointCount(), 10 );
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// Add two points (target segment)
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chain.Append( targetSegment.A );
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chain.Append( targetSegment.B );
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BOOST_CHECK_EQUAL( chain.PointCount(), 12 );
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// Add a second arc
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chain.Append( secondArc );
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BOOST_CHECK_EQUAL( chain.PointCount(), 20 );
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BOOST_CHECK( GEOM_TEST::IsOutlineValid( chain ) );
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//////////////////////////////////////////////////////////
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/// CASE 1: Start at arc endpoint, finish middle of arc /
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//////////////////////////////////////////////////////////
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BOOST_TEST_CONTEXT( "Case 1: Start at arc endpoint, finish middle of arc" )
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{
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SHAPE_LINE_CHAIN sliceResult = chain.Slice( 9, 18 );
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BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
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BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
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SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
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BOOST_CHECK_EQUAL( secondArc.GetP0(), sliceArc0.GetP0() ); // equal arc start points
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BOOST_CHECK( secondArc.Collide( sliceArc0.GetArcMid(), tol ) );
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BOOST_CHECK( secondArc.Collide( sliceArc0.GetP1(), tol ) );
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BOOST_CHECK_EQUAL( sliceResult.PointCount(), 10 );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), firstArc.GetP1() ); // equal to arc end
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 1 ), targetSegment.A );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 2 ), targetSegment.B );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 3 ), sliceArc0.GetP0() ); // equal to arc start
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 3 ), true );
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for( int i = 4; i <= 8; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
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for( int i = 3; i <= 7; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 9 ), true );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 9 ), sliceArc0.GetP1() ); // equal to arc end
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}
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//////////////////////////////////////////////////////////////////
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/// CASE 2: Start at middle of an arc, finish at arc startpoint /
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//////////////////////////////////////////////////////////////////
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BOOST_TEST_CONTEXT( "Case 2: Start at middle of an arc, finish at arc startpoint" )
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{
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SHAPE_LINE_CHAIN sliceResult = chain.Slice( 5, 12 );
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BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
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BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
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SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
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BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() ); // equal arc end points
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BOOST_CHECK( firstArc.Collide( sliceArc0.GetArcMid(), tol ) );
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BOOST_CHECK( firstArc.Collide( sliceArc0.GetP0(), tol ) );
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BOOST_CHECK_EQUAL( sliceResult.PointCount(), 8 );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), sliceArc0.GetP0() );// equal to arc start
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
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for( int i = 1; i <= 4; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
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for( int i = 0; i <= 3; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 4 ), true );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 4 ), sliceArc0.GetP1() ); // equal to arc end
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 5 ), targetSegment.A );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 6 ), targetSegment.B );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 7 ), secondArc.GetP0() );
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}
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//////////////////////////////////////////////////////////////////
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/// CASE 3: Full arc, nothing else /
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//////////////////////////////////////////////////////////////////
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BOOST_TEST_CONTEXT( "Case 3: Full arc, nothing else" )
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{
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SHAPE_LINE_CHAIN sliceResult = chain.Slice( 3, 9 );
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BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
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BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
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SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
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// Equal arc to original inserted arc
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BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
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BOOST_CHECK_EQUAL( firstArc.GetArcMid(), sliceArc0.GetArcMid() );
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BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
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BOOST_CHECK_EQUAL( sliceResult.PointCount(), 7 );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), sliceArc0.GetP0() ); // equal to arc start
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
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for( int i = 1; i <= 6; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
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for( int i = 0; i <= 5; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 6 ), true );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 6 ), sliceArc0.GetP1() ); // equal to arc end
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}
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//////////////////////////////////////////////////////////////////
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/// CASE 4: Full arc, and straight segments to next arc start /
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//////////////////////////////////////////////////////////////////
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BOOST_TEST_CONTEXT( "Case 4: Full arc, and straight segments to next arc start" )
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{
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SHAPE_LINE_CHAIN sliceResult = chain.Slice( 3, 12 );
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BOOST_CHECK( GEOM_TEST::IsOutlineValid( sliceResult ) );
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BOOST_CHECK_EQUAL( sliceResult.ArcCount(), 1 );
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SHAPE_ARC sliceArc0 = sliceResult.Arc( 0 );
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// Equal arc to original inserted arc
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BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
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BOOST_CHECK_EQUAL( firstArc.GetArcMid(), sliceArc0.GetArcMid() );
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BOOST_CHECK_EQUAL( firstArc.GetP1(), sliceArc0.GetP1() );
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BOOST_CHECK_EQUAL( sliceResult.PointCount(), 10 );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 0 ), sliceArc0.GetP0() ); // equal to arc start
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( 0 ), true );
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for( int i = 1; i <= 6; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcStart( i ), false );
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for( int i = 0; i <= 5; i++ )
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( i ), false );
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BOOST_CHECK_EQUAL( sliceResult.IsArcEnd( 6 ), true );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 6 ), sliceArc0.GetP1() ); // equal to arc end
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 7 ), targetSegment.A );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 8 ), targetSegment.B );
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BOOST_CHECK_EQUAL( sliceResult.GetPoint( 9 ), secondArc.GetP0() );
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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BOOST_AUTO_TEST_SUITE_END()
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