test_pad_flashing.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The KiCad Developers, see AUTHORS.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, see <https://www.gnu.org/licenses/>.
 */
 
#include <qa_utils/wx_utils/unit_test_utils.h>
 
#include <board.h>
#include <footprint.h>
#include <geometry/shape_circle.h>
#include <pad.h>
#include <memory>
 
BOOST_AUTO_TEST_SUITE( PadFlashing )
 
BOOST_AUTO_TEST_CASE( PadsInSameFootprintDoNotForceInnerLayerFlashing )
{
    BOARD board;
    board.SetBoardUse( BOARD_USE::FPHOLDER );
 
    auto footprint = std::make_unique<FOOTPRINT>( &board );
 
    auto net = new NETINFO_ITEM( &board, "P1", 1 );
    board.Add( net );
 
    auto pad1 = new PAD( footprint.get() );
    auto pad2 = new PAD( footprint.get() );
 
    const int diameter = pcbIUScale.mmToIU( 1.0 );
    const int drill    = pcbIUScale.mmToIU( 0.5 );
 
    pad1->SetAttribute( PAD_ATTRIB::PTH );
    pad2->SetAttribute( PAD_ATTRIB::PTH );
    pad1->SetLayerSet( LSET::AllCuMask() );
    pad2->SetLayerSet( LSET::AllCuMask() );
    pad1->SetSize( PADSTACK::ALL_LAYERS, VECTOR2I( diameter, diameter ) );
    pad2->SetSize( PADSTACK::ALL_LAYERS, VECTOR2I( diameter, diameter ) );
    pad1->SetDrillSize( VECTOR2I( drill, drill ) );
    pad2->SetDrillSize( VECTOR2I( drill, drill ) );
    pad1->SetPosition( VECTOR2I( 0, 0 ) );
    pad2->SetPosition( VECTOR2I( 0, 0 ) );
    pad1->SetUnconnectedLayerMode( UNCONNECTED_LAYER_MODE::REMOVE_EXCEPT_START_AND_END );
    pad2->SetUnconnectedLayerMode( UNCONNECTED_LAYER_MODE::REMOVE_EXCEPT_START_AND_END );
    pad1->SetNet( net );
    pad2->SetNet( net );
 
    footprint->Add( pad1 );
    footprint->Add( pad2 );
    board.Add( footprint.release() );
 
    board.BuildConnectivity();
 
    BOOST_CHECK( pad1->FlashLayer( F_Cu ) );
    BOOST_CHECK( pad2->FlashLayer( B_Cu ) );
    BOOST_CHECK( !pad1->FlashLayer( In1_Cu ) );
    BOOST_CHECK( !pad2->FlashLayer( In1_Cu ) );
}
 
BOOST_AUTO_TEST_CASE( PadsInDifferentFootprintsDoNotForceInnerLayerFlashing )
{
    BOARD board;
    board.SetBoardUse( BOARD_USE::FPHOLDER );
 
    auto footprint1 = std::make_unique<FOOTPRINT>( &board );
    auto footprint2 = std::make_unique<FOOTPRINT>( &board );
 
    auto net = new NETINFO_ITEM( &board, "P1", 1 );
    board.Add( net );
 
    auto pad1 = new PAD( footprint1.get() );
    auto pad2 = new PAD( footprint2.get() );
 
    const int diameter = pcbIUScale.mmToIU( 1.0 );
    const int drill    = pcbIUScale.mmToIU( 0.5 );
 
    pad1->SetAttribute( PAD_ATTRIB::PTH );
    pad2->SetAttribute( PAD_ATTRIB::PTH );
    pad1->SetLayerSet( LSET::AllCuMask() );
    pad2->SetLayerSet( LSET::AllCuMask() );
    pad1->SetSize( PADSTACK::ALL_LAYERS, VECTOR2I( diameter, diameter ) );
    pad2->SetSize( PADSTACK::ALL_LAYERS, VECTOR2I( diameter, diameter ) );
    pad1->SetDrillSize( VECTOR2I( drill, drill ) );
    pad2->SetDrillSize( VECTOR2I( drill, drill ) );
    pad1->SetPosition( VECTOR2I( 0, 0 ) );
    pad2->SetPosition( VECTOR2I( 0, 0 ) );
    pad1->SetUnconnectedLayerMode( UNCONNECTED_LAYER_MODE::REMOVE_EXCEPT_START_AND_END );
    pad2->SetUnconnectedLayerMode( UNCONNECTED_LAYER_MODE::REMOVE_EXCEPT_START_AND_END );
    pad1->SetNet( net );
    pad2->SetNet( net );
 
    footprint1->Add( pad1 );
    footprint2->Add( pad2 );
    board.Add( footprint1.release() );
    board.Add( footprint2.release() );
 
    board.BuildConnectivity();
 
    BOOST_CHECK( pad1->FlashLayer( F_Cu ) );
    BOOST_CHECK( pad2->FlashLayer( B_Cu ) );
    BOOST_CHECK( !pad1->FlashLayer( In1_Cu ) );
    BOOST_CHECK( !pad2->FlashLayer( In1_Cu ) );
}
 
 
BOOST_AUTO_TEST_CASE( TechLayersPullFromAppropriateSide )
{
    BOARD board;
    board.SetBoardUse( BOARD_USE::FPHOLDER );
 
    auto footprint = std::make_unique<FOOTPRINT>( &board );
 
    auto net = new NETINFO_ITEM( &board, "P1", 1 );
    board.Add( net );
 
    auto pad = new PAD( footprint.get() );
 
    const int d1 = pcbIUScale.mmToIU( 1.0 );
    const int d2 = pcbIUScale.mmToIU( 2.0 );
    const int drill = pcbIUScale.mmToIU( 0.5 );
 
    pad->SetAttribute( PAD_ATTRIB::PTH );
    pad->SetLayerSet( LSET::AllCuMask() | LSET::AllBoardTechMask() );
    pad->Padstack().SetMode( PADSTACK::MODE::CUSTOM );
    pad->SetDrillSize( VECTOR2I( drill, drill ) );
    pad->SetSize( F_Cu, VECTOR2I( d1, d1 ) );
    pad->SetSize( B_Cu, VECTOR2I( d2, d2 ) );
 
    pad->BuildEffectiveShapes();
 
    auto shapes = pad->GetEffectiveShape( F_Mask );
    BOOST_REQUIRE( dynamic_cast<SHAPE_COMPOUND*>( shapes.get() ) );
    BOOST_REQUIRE( !dynamic_cast<SHAPE_COMPOUND*>( shapes.get() )->Empty() );
    SHAPE* subshape = dynamic_cast<SHAPE_COMPOUND*>( shapes.get() )->Shapes()[0];
    BOOST_REQUIRE( dynamic_cast<SHAPE_CIRCLE*>( subshape ) );
    BOOST_CHECK_EQUAL( dynamic_cast<SHAPE_CIRCLE*>( subshape )->GetRadius(), d1 / 2 );
 
    shapes = pad->GetEffectiveShape( B_Mask );
    BOOST_REQUIRE( dynamic_cast<SHAPE_COMPOUND*>( shapes.get() ) );
    BOOST_REQUIRE( !dynamic_cast<SHAPE_COMPOUND*>( shapes.get() )->Empty() );
    subshape = dynamic_cast<SHAPE_COMPOUND*>( shapes.get() )->Shapes()[0];
    BOOST_REQUIRE( dynamic_cast<SHAPE_CIRCLE*>( subshape ) );
    BOOST_CHECK_EQUAL( dynamic_cast<SHAPE_CIRCLE*>( subshape )->GetRadius(), d2 / 2 );
 
    BOOST_CHECK_EQUAL( pad->GetSize( F_Mask ).x, d1 );
    BOOST_CHECK_EQUAL( pad->GetSize( B_Mask ).x, d2 );
}
 
BOOST_AUTO_TEST_SUITE_END()