396 lines
12 KiB
C++
396 lines
12 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) 2021-2023 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 <settings/settings_manager.h>
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#include <pcbnew/pad.h>
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#include <pcbnew/pcb_track.h>
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#include <router/pns_node.h>
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#include <router/pns_router.h>
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#include <router/pns_item.h>
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#include <router/pns_via.h>
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#include <router/pns_kicad_iface.h>
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static bool isCopper( const PNS::ITEM* aItem )
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{
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if( !aItem )
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return false;
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BOARD_ITEM* parent = aItem->Parent();
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if( parent && parent->Type() == PCB_PAD_T )
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{
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PAD* pad = static_cast<PAD*>( parent );
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if( !pad->IsOnCopperLayer() )
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return false;
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if( pad->GetAttribute() != PAD_ATTRIB::NPTH )
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return true;
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// round NPTH with a hole size >= pad size are not on a copper layer
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// All other NPTH are seen on copper layers
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// This is a basic criteria, but probably enough for a NPTH
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if( pad->GetShape() == PAD_SHAPE::CIRCLE )
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{
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if( pad->GetSize().x <= pad->GetDrillSize().x )
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return false;
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}
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return true;
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}
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return true;
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}
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static bool isHole( const PNS::ITEM* aItem )
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{
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if( !aItem )
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return false;
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return aItem->OfKind( PNS::ITEM::HOLE_T );
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}
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static bool isEdge( const PNS::ITEM* aItem )
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{
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if( !aItem )
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return false;
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const BOARD_ITEM *parent = aItem->BoardItem();
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return parent && ( parent->IsOnLayer( Edge_Cuts ) || parent->IsOnLayer( Margin ) );
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}
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class MOCK_RULE_RESOLVER : public PNS::RULE_RESOLVER
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{
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public:
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MOCK_RULE_RESOLVER() : m_clearanceEpsilon( 10 )
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{
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}
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virtual ~MOCK_RULE_RESOLVER() {}
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virtual int Clearance( const PNS::ITEM* aA, const PNS::ITEM* aB,
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bool aUseClearanceEpsilon = true ) override
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{
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PNS::CONSTRAINT constraint;
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int rv = 0;
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LAYER_RANGE layers;
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if( !aB )
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layers = aA->Layers();
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else if( isEdge( aA ) )
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layers = aB->Layers();
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else if( isEdge( aB ) )
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layers = aA->Layers();
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else
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layers = aA->Layers().Intersection( aB->Layers() );
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// Normalize layer range (no -1 magic numbers)
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layers = layers.Intersection( LAYER_RANGE( PCBNEW_LAYER_ID_START, PCB_LAYER_ID_COUNT - 1 ) );
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for( int layer = layers.Start(); layer <= layers.End(); ++layer )
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{
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if( isHole( aA ) && isHole( aB) )
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{
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if( QueryConstraint( PNS::CONSTRAINT_TYPE::CT_HOLE_TO_HOLE, aA, aB, layer, &constraint ) )
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{
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if( constraint.m_Value.Min() > rv )
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rv = constraint.m_Value.Min();
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}
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}
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else if( isHole( aA ) || isHole( aB ) )
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{
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if( QueryConstraint( PNS::CONSTRAINT_TYPE::CT_HOLE_CLEARANCE, aA, aB, layer, &constraint ) )
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{
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if( constraint.m_Value.Min() > rv )
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rv = constraint.m_Value.Min();
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}
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}
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else if( isCopper( aA ) && ( !aB || isCopper( aB ) ) )
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{
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if( QueryConstraint( PNS::CONSTRAINT_TYPE::CT_CLEARANCE, aA, aB, layer, &constraint ) )
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{
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if( constraint.m_Value.Min() > rv )
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rv = constraint.m_Value.Min();
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}
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}
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else if( isEdge( aA ) || ( aB && isEdge( aB ) ) )
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{
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if( QueryConstraint( PNS::CONSTRAINT_TYPE::CT_EDGE_CLEARANCE, aA, aB, layer, &constraint ) )
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{
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if( constraint.m_Value.Min() > rv )
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rv = constraint.m_Value.Min();
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}
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}
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}
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return rv;
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}
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virtual int DpCoupledNet( int aNet ) override { return -1; }
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virtual int DpNetPolarity( int aNet ) override { return -1; }
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virtual bool DpNetPair( const PNS::ITEM* aItem, int& aNetP, int& aNetN ) override
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{
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return false;
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}
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virtual bool QueryConstraint( PNS::CONSTRAINT_TYPE aType, const PNS::ITEM* aItemA,
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const PNS::ITEM* aItemB, int aLayer,
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PNS::CONSTRAINT* aConstraint ) override
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{
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ITEM_KEY key;
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key.a = aItemA;
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key.b = aItemB;
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key.type = aType;
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auto it = m_ruleMap.find( key );
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if( it == m_ruleMap.end() )
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{
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int cl;
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switch( aType )
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{
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case PNS::CONSTRAINT_TYPE::CT_CLEARANCE: cl = m_defaultClearance; break;
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case PNS::CONSTRAINT_TYPE::CT_HOLE_TO_HOLE: cl = m_defaultHole2Hole; break;
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case PNS::CONSTRAINT_TYPE::CT_HOLE_CLEARANCE: cl = m_defaultHole2Copper; break;
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default: return false;
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}
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//printf("GetDef %s %s %d cl %d\n", aItemA->KindStr().c_str(), aItemB->KindStr().c_str(), aType, cl );
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aConstraint->m_Type = aType;
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aConstraint->m_Value.SetMin( cl );
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return true;
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}
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else
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{
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*aConstraint = it->second;
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}
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return true;
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}
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virtual wxString NetName( int aNet ) override { return wxT( "noname" ); }
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int ClearanceEpsilon() const override { return m_clearanceEpsilon; }
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struct ITEM_KEY
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{
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const PNS::ITEM* a = nullptr;
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const PNS::ITEM* b = nullptr;
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PNS::CONSTRAINT_TYPE type;
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bool operator==( const ITEM_KEY& other ) const
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{
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return a == other.a && b == other.b && type == other.type;
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}
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bool operator<( const ITEM_KEY& other ) const
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{
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if( a < other.a )
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{
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return true;
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}
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else if ( a == other.a )
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{
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if( b < other.b )
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return true;
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else if ( b == other.b )
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return type < other.type;
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}
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return false;
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}
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};
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bool IsInNetTie( const PNS::ITEM* aA ) override { return false; }
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bool IsNetTieExclusion( const PNS::ITEM* aItem, const VECTOR2I& aCollisionPos,
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const PNS::ITEM* aCollidingItem ) override
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{
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return false;
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}
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bool IsKeepout( const PNS::ITEM* aA, const PNS::ITEM* aB ) override { return false; }
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void AddMockRule( PNS::CONSTRAINT_TYPE aType, const PNS::ITEM* aItemA, const PNS::ITEM* aItemB,
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PNS::CONSTRAINT aConstraint )
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{
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ITEM_KEY key;
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key.a = aItemA;
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key.b = aItemB;
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key.type = aType;
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m_ruleMap[key] = aConstraint;
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}
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int m_defaultClearance = 200000;
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int m_defaultHole2Hole = 220000;
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int m_defaultHole2Copper = 210000;
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private:
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std::map<ITEM_KEY, PNS::CONSTRAINT> m_ruleMap;
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int m_clearanceEpsilon;
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};
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struct PNS_TEST_FIXTURE;
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class MOCK_PNS_KICAD_IFACE : public PNS_KICAD_IFACE_BASE
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{
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public:
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MOCK_PNS_KICAD_IFACE( PNS_TEST_FIXTURE *aFixture ) :
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m_testFixture( aFixture )
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{}
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~MOCK_PNS_KICAD_IFACE() {}
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void HideItem( PNS::ITEM* aItem ) override {};
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void DisplayItem( const PNS::ITEM* aItem, int aClearance, bool aEdit = false,
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bool aIsHeadTrace = false ) override {};
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PNS::RULE_RESOLVER* GetRuleResolver() override;
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private:
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PNS_TEST_FIXTURE* m_testFixture;
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};
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struct PNS_TEST_FIXTURE
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{
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PNS_TEST_FIXTURE() :
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m_settingsManager( true /* headless */ )
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{
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m_router = new PNS::ROUTER;
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m_iface = new MOCK_PNS_KICAD_IFACE( this );
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m_router->SetInterface( m_iface );
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}
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SETTINGS_MANAGER m_settingsManager;
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PNS::ROUTER* m_router;
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MOCK_RULE_RESOLVER m_ruleResolver;
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MOCK_PNS_KICAD_IFACE* m_iface;
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//std::unique_ptr<BOARD> m_board;
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};
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PNS::RULE_RESOLVER* MOCK_PNS_KICAD_IFACE::GetRuleResolver()
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{
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return &m_testFixture->m_ruleResolver;
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}
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static void dumpObstacles( const PNS::NODE::OBSTACLES &obstacles )
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{
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for( const PNS::OBSTACLE& obs : obstacles )
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{
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printf( "%p [%s] - %p [%s], clearance %d\n",
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obs.m_head, obs.m_head->KindStr().c_str(),
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obs.m_item, obs.m_item->KindStr().c_str(),
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obs.m_clearance );
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}
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}
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BOOST_FIXTURE_TEST_CASE( PNSHoleCollisions, PNS_TEST_FIXTURE )
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{
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PNS::VIA* v1 = new PNS::VIA( VECTOR2I( 0, 1000000 ), LAYER_RANGE( F_Cu, B_Cu ), 50000, 10000 );
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PNS::VIA* v2 = new PNS::VIA( VECTOR2I( 0, 2000000 ), LAYER_RANGE( F_Cu, B_Cu ), 50000, 10000 );
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std::unique_ptr<PNS::NODE> world ( new PNS::NODE );
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world->SetMaxClearance( 10000000 );
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world->SetRuleResolver( &m_ruleResolver );
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world->AddRaw( v1 );
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world->AddRaw( v2 );
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BOOST_TEST_MESSAGE( "via to via, no violations" );
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{
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PNS::NODE::OBSTACLES obstacles;
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int count = world->QueryColliding( v1, obstacles );
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BOOST_CHECK_EQUAL( obstacles.size(), 0 );
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BOOST_CHECK_EQUAL( count, 0 );
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}
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BOOST_TEST_MESSAGE( "via to via, forced copper to copper violation" );
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{
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PNS::NODE::OBSTACLES obstacles;
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m_ruleResolver.m_defaultClearance = 1000000;
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world->QueryColliding( v1, obstacles );
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dumpObstacles( obstacles );
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BOOST_CHECK_EQUAL( obstacles.size(), 1 );
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const auto first = *obstacles.begin();
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BOOST_CHECK_EQUAL( first.m_head, v1 );
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BOOST_CHECK_EQUAL( first.m_item, v2 );
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BOOST_CHECK_EQUAL( first.m_clearance, m_ruleResolver.m_defaultClearance );
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}
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BOOST_TEST_MESSAGE( "via to via, forced hole to hole violation" );
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{
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PNS::NODE::OBSTACLES obstacles;
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m_ruleResolver.m_defaultClearance = 200000;
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m_ruleResolver.m_defaultHole2Hole = 1000000;
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world->QueryColliding( v1, obstacles );
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dumpObstacles( obstacles );
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BOOST_CHECK_EQUAL( obstacles.size(), 1 );
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auto iter = obstacles.begin();
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const auto first = *iter++;
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BOOST_CHECK_EQUAL( first.m_head, v1->Hole() );
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BOOST_CHECK_EQUAL( first.m_item, v2->Hole() );
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BOOST_CHECK_EQUAL( first.m_clearance, m_ruleResolver.m_defaultHole2Hole );
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}
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BOOST_TEST_MESSAGE( "via to via, forced copper to hole violation" );
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{
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PNS::NODE::OBSTACLES obstacles;
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m_ruleResolver.m_defaultHole2Hole = 220000;
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m_ruleResolver.m_defaultHole2Copper = 1000000;
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world->QueryColliding( v1, obstacles );
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dumpObstacles( obstacles );
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BOOST_CHECK_EQUAL( obstacles.size(), 2 );
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auto iter = obstacles.begin();
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const auto first = *iter++;
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// There is no guarantee on what order the two collisions will be in...
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BOOST_CHECK( ( first.m_head == v1 && first.m_item == v2->Hole() )
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|| ( first.m_head == v1->Hole() && first.m_item == v2 ) );
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BOOST_CHECK_EQUAL( first.m_clearance, m_ruleResolver.m_defaultHole2Copper );
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}
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}
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