kicad/qa/pcbnew/test_libeval_compiler.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2019-2021 KiCad Developers, see CHANGELOG.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, 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 <wx/wx.h>
#include <unit_test_utils/unit_test_utils.h>
#include <layers_id_colors_and_visibility.h>
#include <pcbnew/pcb_expr_evaluator.h>
#include <pcbnew/board.h>
#include <pcbnew/track.h>
BOOST_AUTO_TEST_SUITE( Libeval_Compiler )
struct EXPR_TO_TEST
{
wxString expression;
bool expectError;
LIBEVAL::VALUE expectedResult;
};
using VAL = LIBEVAL::VALUE;
const static std::vector<EXPR_TO_TEST> simpleExpressions = {
{ "10mm + 20 mm", false, VAL( 30e6 ) },
{ "3*(7+8)", false, VAL( 3 * ( 7 + 8 ) ) },
{ "3*7+8", false, VAL( 3 * 7 + 8 ) },
{ "(3*7)+8", false, VAL( 3 * 7 + 8 ) },
{ "10mm + 20)", true, VAL( 0 ) },
{ "1", false, VAL(1) },
{ "1.5", false, VAL(1.5) },
{ "1,5", false, VAL(1.5) },
{ "1mm", false, VAL(1e6) },
// Any White-space is OK
{ " 1 + 2 ", false, VAL(3) },
// Decimals are OK in expressions
{ "1.5 + 0.2 + 0.1", false, VAL(1.8) },
// Negatives are OK
{ "3 - 10", false, VAL(-7) },
// Lots of operands
{ "1 + 2 + 10 + 1000.05", false, VAL(1013.05) },
// Operator precedence
{ "1 + 2 - 4 * 20 / 2", false, VAL(-37) },
// Parens
{ "(1)", false, VAL(1) },
// Parens affect precedence
{ "-(1 + (2 - 4)) * 20.8 / 2", false, VAL(10.4) },
// Unary addition is a sign, not a leading operator
{ "+2 - 1", false, VAL(1) }
};
const static std::vector<EXPR_TO_TEST> introspectionExpressions = {
{ "A.type == 'Pad' && B.type == 'Pad' && (A.existsOnLayer('F.Cu'))", false, VAL( 0.0 ) },
{ "A.Width > B.Width", false, VAL( 0.0 ) },
{ "A.Width + B.Width", false, VAL( Mils2iu(10) + Mils2iu(20) ) },
{ "A.Netclass", false, VAL( "HV" ) },
{ "(A.Netclass == 'HV') && (B.netclass == 'otherClass') && (B.netclass != 'F.Cu')", false, VAL( 1.0 ) },
{ "A.Netclass + 1.0", false, VAL( 1.0 ) },
{ "A.type == 'Track' && B.type == 'Track' && A.layer == 'F.Cu'", false, VAL( 1.0 ) },
{ "(A.type == 'Track') && (B.type == 'Track') && (A.layer == 'F.Cu')", false, VAL( 1.0 ) },
{ "A.type == 'Via' && A.isMicroVia()", false, VAL(0.0) }
};
static bool testEvalExpr( const wxString& expr, LIBEVAL::VALUE expectedResult,
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bool expectError = false, BOARD_ITEM* itemA = nullptr,
BOARD_ITEM* itemB = nullptr )
{
PCB_EXPR_COMPILER compiler;
PCB_EXPR_UCODE ucode;
PCB_EXPR_CONTEXT context, preflightContext;
bool ok = true;
context.SetItems( itemA, itemB );
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BOOST_TEST_MESSAGE( "Expr: '" << expr.c_str() << "'" );
bool error = !compiler.Compile( expr, &ucode, &preflightContext );
BOOST_CHECK_EQUAL( error, expectError );
if( error != expectError )
{
BOOST_TEST_MESSAGE( "Result: FAIL: " << compiler.GetError().message.c_str() <<
" (code pos: " << compiler.GetError().srcPos << ")" );
return false;
}
if( error )
return true;
LIBEVAL::VALUE result;
if( ok )
{
result = *ucode.Run( &context );
ok = ( result.EqualTo( &expectedResult ) );
}
if( expectedResult.GetType() == LIBEVAL::VT_NUMERIC )
{
BOOST_CHECK_EQUAL( result.AsDouble(), expectedResult.AsDouble() );
}
else
{
BOOST_CHECK_EQUAL( result.AsString(), expectedResult.AsString() );
}
return ok;
}
BOOST_AUTO_TEST_CASE( SimpleExpressions )
{
for( const auto& expr : simpleExpressions )
{
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testEvalExpr( expr.expression, expr.expectedResult, expr.expectError );
}
}
BOOST_AUTO_TEST_CASE( IntrospectedProperties )
{
PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
propMgr.Rebuild();
BOARD brd;
NETINFO_LIST& netInfo = brd.GetNetInfo();
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NETCLASSPTR netclass1( new NETCLASS( "HV" ) );
NETCLASSPTR netclass2( new NETCLASS( "otherClass" ) );
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auto net1info = new NETINFO_ITEM( &brd, "net1", 1 );
auto net2info = new NETINFO_ITEM( &brd, "net2", 2 );
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net1info->SetNetClass( netclass1 );
net2info->SetNetClass( netclass2 );
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TRACK trackA( &brd );
TRACK trackB( &brd );
trackA.SetNet( net1info );
trackB.SetNet( net2info );
trackB.SetLayer( F_Cu );
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trackA.SetWidth( Mils2iu( 10 ) );
trackB.SetWidth( Mils2iu( 20 ) );
for( const auto& expr : introspectionExpressions )
{
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testEvalExpr( expr.expression, expr.expectedResult, expr.expectError, &trackA, &trackB );
}
}
BOOST_AUTO_TEST_SUITE_END()