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testqgsexpression.cpp
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testqgsexpression.cpp
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/**************************************************************************
test_template.cpp
--------------------------------------
Date : Sun Sep 16 12:22:23 AKDT 2007
Copyright : (C) 2007 by Gary E. Sherman
Email : sherman at mrcc dot 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. *
* *
***************************************************************************/
#include "qgstest.h"
#include <QObject>
#include <QString>
#include <QtConcurrentMap>
#include <qgsapplication.h>
//header for class being tested
#include "qgsexpression.h"
#include "qgsfeature.h"
#include "qgsfeatureiterator.h"
#include "qgsfeaturerequest.h"
#include "qgsgeometry.h"
#include "qgsrenderchecker.h"
#include "qgsexpressioncontext.h"
#include "qgsrelationmanager.h"
#include "qgsvectorlayer.h"
#include "qgsvectordataprovider.h"
#include "qgsdistancearea.h"
#include "qgsrasterlayer.h"
#include "qgsproject.h"
#include "qgsexpressionnodeimpl.h"
#include "qgsvectorlayerutils.h"
#include "qgsexpressioncontextutils.h"
static void _parseAndEvalExpr( int arg )
{
Q_UNUSED( arg );
for ( int i = 0; i < 100; ++i )
{
QgsExpression exp( QStringLiteral( "1 + 2 * 2" ) );
exp.evaluate();
}
}
class TestQgsExpression: public QObject
{
Q_OBJECT
public:
TestQgsExpression() = default;
private:
QgsVectorLayer *mPointsLayer = nullptr;
QgsVectorLayer *mPointsLayerMetadata = nullptr;
QgsVectorLayer *mMemoryLayer = nullptr;
QgsVectorLayer *mAggregatesLayer = nullptr;
QgsVectorLayer *mChildLayer2 = nullptr; // relation with composite keys
QgsVectorLayer *mChildLayer = nullptr;
QgsRasterLayer *mRasterLayer = nullptr;
private slots:
void initTestCase()
{
//
// Runs once before any tests are run
//
// init QGIS's paths - true means that all path will be inited from prefix
QgsApplication::init();
QgsApplication::initQgis();
// Will make sure the settings dir with the style file for color ramp is created
QgsApplication::createDatabase();
QgsApplication::showSettings();
//create a point layer that will be used in all tests...
QString testDataDir = QStringLiteral( TEST_DATA_DIR ) + '/';
QString pointsFileName = testDataDir + "points.shp";
QFileInfo pointFileInfo( pointsFileName );
mPointsLayer = new QgsVectorLayer( pointFileInfo.filePath(),
pointFileInfo.completeBaseName(), QStringLiteral( "ogr" ) );
QgsProject::instance()->addMapLayer( mPointsLayer );
mPointsLayer->setTitle( QStringLiteral( "layer title" ) );
mPointsLayer->setAbstract( QStringLiteral( "layer abstract" ) );
mPointsLayer->setKeywordList( QStringLiteral( "layer,keywords" ) );
mPointsLayer->setDataUrl( QStringLiteral( "data url" ) );
mPointsLayer->setAttribution( QStringLiteral( "layer attribution" ) );
mPointsLayer->setAttributionUrl( QStringLiteral( "attribution url" ) );
mPointsLayer->setMinimumScale( 500 );
mPointsLayer->setMaximumScale( 1000 );
mPointsLayerMetadata = new QgsVectorLayer( pointFileInfo.filePath(),
pointFileInfo.completeBaseName() + "_metadata", QStringLiteral( "ogr" ) );
QgsProject::instance()->addMapLayer( mPointsLayerMetadata );
QgsLayerMetadata metadata;
metadata.setTitle( QStringLiteral( "metadata title" ) );
metadata.setAbstract( QStringLiteral( "metadata abstract" ) );
QMap<QString, QStringList> keywords;
keywords.insert( QStringLiteral( "key1" ), QStringList() << QStringLiteral( "val1" ) << QStringLiteral( "val2" ) );
keywords.insert( QStringLiteral( "key2" ), QStringList() << QStringLiteral( "val3" ) );
metadata.setKeywords( keywords );
metadata.setRights( QStringList() << QStringLiteral( "right1" ) << QStringLiteral( "right2" ) );
mPointsLayerMetadata->setMetadata( metadata );
mPointsLayerMetadata->setTitle( QStringLiteral( "layer title" ) );
mPointsLayerMetadata->setAbstract( QStringLiteral( "layer abstract" ) );
mPointsLayerMetadata->setKeywordList( QStringLiteral( "layer,keywords" ) );
mPointsLayerMetadata->setDataUrl( QStringLiteral( "data url" ) );
mPointsLayerMetadata->setAttribution( QStringLiteral( "layer attribution" ) );
mPointsLayerMetadata->setAttributionUrl( QStringLiteral( "attribution url" ) );
QString rasterFileName = testDataDir + "tenbytenraster.asc";
QFileInfo rasterFileInfo( rasterFileName );
mRasterLayer = new QgsRasterLayer( rasterFileInfo.filePath(),
rasterFileInfo.completeBaseName() );
QgsProject::instance()->addMapLayer( mRasterLayer );
// test memory layer for get_feature tests
mMemoryLayer = new QgsVectorLayer( QStringLiteral( "Point?field=col1:integer&field=col2:string" ), QStringLiteral( "test" ), QStringLiteral( "memory" ) );
QVERIFY( mMemoryLayer->isValid() );
QgsFeature f1( mMemoryLayer->dataProvider()->fields(), 1 );
f1.setAttribute( QStringLiteral( "col1" ), 10 );
f1.setAttribute( QStringLiteral( "col2" ), "test1" );
QgsFeature f2( mMemoryLayer->dataProvider()->fields(), 2 );
f2.setAttribute( QStringLiteral( "col1" ), 11 );
f2.setAttribute( QStringLiteral( "col2" ), "test2" );
QgsFeature f3( mMemoryLayer->dataProvider()->fields(), 3 );
f3.setAttribute( QStringLiteral( "col1" ), 3 );
f3.setAttribute( QStringLiteral( "col2" ), "test3" );
QgsFeature f4( mMemoryLayer->dataProvider()->fields(), 4 );
f4.setAttribute( QStringLiteral( "col1" ), 41 );
f4.setAttribute( QStringLiteral( "col2" ), "test4" );
mMemoryLayer->dataProvider()->addFeatures( QgsFeatureList() << f1 << f2 << f3 << f4 );
QgsProject::instance()->addMapLayer( mMemoryLayer );
// test layer for aggregates
mAggregatesLayer = new QgsVectorLayer( QStringLiteral( "Point?field=col1:integer"
"&field=col2:string"
"&field=col3:integer"
"&field=col4:string" ),
QStringLiteral( "aggregate_layer" ), QStringLiteral( "memory" ) );
QVERIFY( mAggregatesLayer->isValid() );
QgsFeature af1( mAggregatesLayer->dataProvider()->fields(), 1 );
af1.setGeometry( QgsGeometry::fromPointXY( QgsPointXY( 0, 0 ) ) );
af1.setAttribute( QStringLiteral( "col1" ), 4 );
af1.setAttribute( QStringLiteral( "col2" ), "test" );
af1.setAttribute( QStringLiteral( "col3" ), 2 );
af1.setAttribute( QStringLiteral( "col4" ), QVariant( QVariant::String ) );
QgsFeature af2( mAggregatesLayer->dataProvider()->fields(), 2 );
af2.setGeometry( QgsGeometry::fromPointXY( QgsPointXY( 1, 0 ) ) );
af2.setAttribute( QStringLiteral( "col1" ), 1 );
af2.setAttribute( QStringLiteral( "col2" ), QVariant( QVariant::String ) );
af2.setAttribute( QStringLiteral( "col3" ), 1 );
af2.setAttribute( QStringLiteral( "col4" ), QVariant( QVariant::String ) );
QgsFeature af3( mAggregatesLayer->dataProvider()->fields(), 3 );
af3.setGeometry( QgsGeometry::fromPointXY( QgsPointXY( 2, 0 ) ) );
af3.setAttribute( QStringLiteral( "col1" ), 3 );
af3.setAttribute( QStringLiteral( "col2" ), "test333" );
af3.setAttribute( QStringLiteral( "col3" ), 2 );
af3.setAttribute( QStringLiteral( "col4" ), QVariant( QVariant::String ) );
QgsFeature af4( mAggregatesLayer->dataProvider()->fields(), 4 );
af4.setGeometry( QgsGeometry::fromPointXY( QgsPointXY( 3, 0 ) ) );
af4.setAttribute( QStringLiteral( "col1" ), 2 );
af4.setAttribute( QStringLiteral( "col2" ), "test4" );
af4.setAttribute( QStringLiteral( "col3" ), 2 );
af4.setAttribute( QStringLiteral( "col4" ), "" );
QgsFeature af5( mAggregatesLayer->dataProvider()->fields(), 5 );
af5.setGeometry( QgsGeometry() );
af5.setAttribute( QStringLiteral( "col1" ), 5 );
af5.setAttribute( QStringLiteral( "col2" ), QVariant( QVariant::String ) );
af5.setAttribute( QStringLiteral( "col3" ), 3 );
af5.setAttribute( QStringLiteral( "col4" ), "test" );
QgsFeature af6( mAggregatesLayer->dataProvider()->fields(), 6 );
af6.setGeometry( QgsGeometry::fromPointXY( QgsPointXY( 5, 0 ) ) );
af6.setAttribute( QStringLiteral( "col1" ), 8 );
af6.setAttribute( QStringLiteral( "col2" ), "test4" );
af6.setAttribute( QStringLiteral( "col3" ), 3 );
af6.setAttribute( QStringLiteral( "col4" ), "test" );
QgsFeature af7( mAggregatesLayer->dataProvider()->fields(), 7 );
af7.setGeometry( QgsGeometry::fromPointXY( QgsPointXY( 6, 0 ) ) );
af7.setAttribute( QStringLiteral( "col1" ), 19 );
af7.setAttribute( QStringLiteral( "col2" ), "test7" );
af7.setAttribute( QStringLiteral( "col3" ), 1961 );
af7.setAttribute( QStringLiteral( "col4" ), "Sputnik" );
mAggregatesLayer->dataProvider()->addFeatures( QgsFeatureList() << af1 << af2 << af3 << af4 << af5 << af6 << af7 );
QgsProject::instance()->addMapLayer( mAggregatesLayer );
mChildLayer = new QgsVectorLayer( QStringLiteral( "Point?field=parent:integer"
"&field=col2:string"
"&field=col3:integer" ),
QStringLiteral( "child_layer" ), QStringLiteral( "memory" ) );
QVERIFY( mChildLayer->isValid() );
QgsFeature cf1( mChildLayer->dataProvider()->fields(), 1 );
cf1.setAttribute( QStringLiteral( "parent" ), 4 );
cf1.setAttribute( QStringLiteral( "col2" ), "test" );
cf1.setAttribute( QStringLiteral( "col3" ), 2 );
QgsFeature cf2( mChildLayer->dataProvider()->fields(), 2 );
cf2.setAttribute( QStringLiteral( "parent" ), 4 );
cf2.setAttribute( QStringLiteral( "col2" ), QVariant( QVariant::String ) );
cf2.setAttribute( QStringLiteral( "col3" ), 1 );
QgsFeature cf3( mChildLayer->dataProvider()->fields(), 3 );
cf3.setAttribute( QStringLiteral( "parent" ), 4 );
cf3.setAttribute( QStringLiteral( "col2" ), "test333" );
cf3.setAttribute( QStringLiteral( "col3" ), 2 );
QgsFeature cf4( mChildLayer->dataProvider()->fields(), 4 );
cf4.setAttribute( QStringLiteral( "parent" ), 3 );
cf4.setAttribute( QStringLiteral( "col2" ), "test4" );
cf4.setAttribute( QStringLiteral( "col3" ), 2 );
QgsFeature cf5( mChildLayer->dataProvider()->fields(), 5 );
cf5.setAttribute( QStringLiteral( "parent" ), 3 );
cf5.setAttribute( QStringLiteral( "col2" ), QVariant( QVariant::String ) );
cf5.setAttribute( QStringLiteral( "col3" ), 7 );
mChildLayer->dataProvider()->addFeatures( QgsFeatureList() << cf1 << cf2 << cf3 << cf4 << cf5 );
QgsProject::instance()->addMapLayer( mChildLayer );
QgsRelation rel;
rel.setId( QStringLiteral( "my_rel" ) );
rel.setName( QStringLiteral( "relation name" ) );
rel.setReferencedLayer( mAggregatesLayer->id() );
rel.setReferencingLayer( mChildLayer->id() );
rel.addFieldPair( QStringLiteral( "parent" ), QStringLiteral( "col1" ) );
QVERIFY( rel.isValid() );
QgsProject::instance()->relationManager()->addRelation( rel );
mChildLayer2 = new QgsVectorLayer( QStringLiteral( "Point?field=name:string"
"&field=year:integer"
"&field=my_value:integer" ),
QStringLiteral( "child_layer_2" ), QStringLiteral( "memory" ) );
QVERIFY( mChildLayer2->isValid() );
QgsFeature afc1( mChildLayer2->dataProvider()->fields(), 1 );
afc1.setAttribute( QStringLiteral( "year" ), 1961 );
afc1.setAttribute( QStringLiteral( "name" ), QStringLiteral( "Sputnik" ) );
afc1.setAttribute( QStringLiteral( "my_value" ), 21070000 );
QgsFeature afc2( mChildLayer2->dataProvider()->fields(), 2 );
afc2.setAttribute( QStringLiteral( "year" ), 1961 );
afc2.setAttribute( QStringLiteral( "name" ), QStringLiteral( "Sputnik" ) );
afc2.setAttribute( QStringLiteral( "my_value" ), 1969 );
mChildLayer2->dataProvider()->addFeatures( QgsFeatureList() << afc1 << afc2 );
QgsProject::instance()->addMapLayer( mChildLayer2 );
QgsRelation rel_ck;
rel_ck.setId( QStringLiteral( "my_rel_composite" ) );
rel_ck.setName( QStringLiteral( "relation with composite" ) );
rel_ck.setReferencedLayer( mAggregatesLayer->id() );
rel_ck.setReferencingLayer( mChildLayer2->id() );
rel_ck.addFieldPair( QStringLiteral( "year" ), QStringLiteral( "col3" ) );
rel_ck.addFieldPair( QStringLiteral( "name" ), QStringLiteral( "col4" ) );
QVERIFY( rel_ck.isValid() );
QgsProject::instance()->relationManager()->addRelation( rel_ck );
}
void cleanupTestCase()
{
QgsApplication::exitQgis();
}
void parsing_data()
{
QTest::addColumn<QString>( "string" );
QTest::addColumn<bool>( "valid" );
// invalid strings
QTest::newRow( "empty string" ) << "" << false;
QTest::newRow( "invalid character" ) << "@" << false;
QTest::newRow( "invalid column reference" ) << "my col" << false;
QTest::newRow( "invalid binary operator" ) << "1+" << false;
QTest::newRow( "invalid function not known no args" ) << "watwat()" << false;
QTest::newRow( "invalid function not known" ) << "coz(1)" << false;
QTest::newRow( "invalid operator IN" ) << "n in p" << false;
QTest::newRow( "empty node list" ) << "1 in ()" << false;
QTest::newRow( "invalid sqrt params" ) << "sqrt(2,4)" << false;
QTest::newRow( "special column as function" ) << "$id()" << false;
QTest::newRow( "unknown special column" ) << "$idx" << false;
// valid strings
QTest::newRow( "null" ) << "NULL" << true;
QTest::newRow( "int literal" ) << "1" << true;
QTest::newRow( "float literal" ) << "1.23" << true;
QTest::newRow( "string literal" ) << "'test'" << true;
QTest::newRow( "column reference" ) << "my_col" << true;
QTest::newRow( "quoted column" ) << "\"my col\"" << true;
QTest::newRow( "unary minus" ) << "-(-3)" << true;
QTest::newRow( "function" ) << "cos(0)" << true;
QTest::newRow( "function2" ) << "atan2(0,1)" << true;
QTest::newRow( "operator IN" ) << "n in (a,b)" << true;
QTest::newRow( "pow" ) << "2 ^ 8" << true;
QTest::newRow( "$id" ) << "$id + 1" << true;
QTest::newRow( "arithmetics" ) << "1+2*3" << true;
QTest::newRow( "logic" ) << "be or not be" << true;
QTest::newRow( "conditions +1" ) << "case when n then p end" << true;
QTest::newRow( "conditions +2" ) << "case when n then p else o end" << true;
QTest::newRow( "conditions +3" ) << "case when n then p when a then b end" << true;
QTest::newRow( "conditions +4" ) << "case when n then ym when a then b else p end" << true;
QTest::newRow( "conditions -1" ) << "case end" << false;
QTest::newRow( "conditions -2" ) << "when n then p" << false;
QTest::newRow( "conditions -3" ) << "case" << false;
QTest::newRow( "conditions -4" ) << "case when n p end" << false;
QTest::newRow( "conditions -5" ) << "case p end" << false;
}
void parsing()
{
QFETCH( QString, string );
QFETCH( bool, valid );
QgsExpression exp( string );
if ( exp.hasParserError() )
qDebug() << "Parser error: " << exp.parserErrorString();
else
qDebug() << "Parsed string: " << exp.expression();
QCOMPARE( !exp.hasParserError(), valid );
}
void parsing_error_line_column_data()
{
QTest::addColumn<QString>( "string" );
QTest::addColumn<int>( "firstLine" );
QTest::addColumn<int>( "firstColumn" );
QTest::addColumn<int>( "lastLine" );
QTest::addColumn<int>( "lastColumn" );
// invalid strings
QTest::newRow( "No close brace" ) << "(" << 1 << 1 << 1 << 2;
QTest::newRow( "No close brace 2" ) << "to_string(" << 1 << 10 << 1 << 11;
QTest::newRow( "No close brace 2 - Multiline" ) << "to_string\n(" << 2 << 0 << 2 << 1;
}
void parsing_error_line_column()
{
QFETCH( QString, string );
QFETCH( int, firstLine );
QFETCH( int, firstColumn );
QFETCH( int, lastLine );
QFETCH( int, lastColumn );
QgsExpression exp( string );
QCOMPARE( exp.hasParserError(), true );
QCOMPARE( exp.parserErrors().first().firstLine, firstLine );
QCOMPARE( exp.parserErrors().first().firstColumn, firstColumn );
QCOMPARE( exp.parserErrors().first().lastLine, lastLine );
QCOMPARE( exp.parserErrors().first().lastColumn, lastColumn );
}
void max_errors()
{
QgsExpression e( "wkt_geom	OBJECTID	id	a	b	c	d	e	f	g	h	i	j	k	l	m	n	o	p	q	r	" );
QVERIFY( e.hasParserError() );
// want parsing to abort after a maximum of 10 errors
QCOMPARE( e.parserErrors().count(), 10 );
}
void parsing_with_locale()
{
// check that parsing of numbers works correctly even when using some other locale
char *old_locale = setlocale( LC_NUMERIC, nullptr );
qDebug( "Old locale: %s", old_locale );
setlocale( LC_NUMERIC, "de_DE.UTF8" );
char *new_locale = setlocale( LC_NUMERIC, nullptr );
qDebug( "New locale: %s", new_locale );
QgsExpression exp( QStringLiteral( "1.23 + 4.56" ) );
QVERIFY( !exp.hasParserError() );
setlocale( LC_NUMERIC, "" );
QVariant v = exp.evaluate();
QCOMPARE( v.toDouble(), 5.79 );
}
void alias_data()
{
//test function aliases
QTest::addColumn<QString>( "string" );
QTest::addColumn<bool>( "evalError" );
QTest::addColumn<QString>( "dump" );
QTest::addColumn<QVariant>( "result" );
QTest::newRow( "toint alias" ) << "toint(3.2)" << false << "to_int(3.2)" << QVariant( 3 );
QTest::newRow( "int to double" ) << "toreal(3)" << false << "to_real(3)" << QVariant( 3. );
QTest::newRow( "int to text" ) << "tostring(6)" << false << "to_string(6)" << QVariant( "6" );
}
void alias()
{
QFETCH( QString, string );
QFETCH( bool, evalError );
QFETCH( QString, dump );
QFETCH( QVariant, result );
QgsExpression exp( string );
QCOMPARE( exp.hasParserError(), false );
if ( exp.hasParserError() )
qDebug() << exp.parserErrorString();
QVariant res = exp.evaluate();
if ( exp.hasEvalError() )
qDebug() << exp.evalErrorString();
if ( res.type() != result.type() )
{
qDebug() << "got " << res.typeName() << " instead of " << result.typeName();
}
QCOMPARE( exp.hasEvalError(), evalError );
QCOMPARE( res, result );
QCOMPARE( exp.dump(), dump );
}
void named_parameter_data()
{
//test passing named parameters to functions
QTest::addColumn<QString>( "string" );
QTest::addColumn<bool>( "parserError" );
QTest::addColumn<QString>( "dump" );
QTest::addColumn<QVariant>( "result" );
QTest::newRow( "unsupported" ) << "min( val1:=1, val2:=2, val3:=3 )" << true << "" << QVariant();
QTest::newRow( "named params named" ) << "clamp( min:=1, value:=2, max:=3)" << false << "clamp(1, 2, 3)" << QVariant( 2.0 );
QTest::newRow( "named params unnamed" ) << "clamp(1,2,3)" << false << "clamp(1, 2, 3)" << QVariant( 2.0 );
QTest::newRow( "named params mixed" ) << "clamp( 1, value:=2, max:=3)" << false << "clamp(1, 2, 3)" << QVariant( 2.0 );
QTest::newRow( "named params mixed bad" ) << "clamp( 1, value:=2, 3)" << true << "" << QVariant();
QTest::newRow( "named params mixed 2" ) << "clamp( 1, 2, max:=3)" << false << "clamp(1, 2, 3)" << QVariant( 2.0 );
QTest::newRow( "named params reordered" ) << "clamp( value := 2, max:=3, min:=1)" << false << "clamp(1, 2, 3)" << QVariant( 2.0 );
QTest::newRow( "named params mixed case" ) << "clamp( Min:=1, vAlUe:=2,MAX:=3)" << false << "clamp(1, 2, 3)" << QVariant( 2.0 );
QTest::newRow( "named params expression node" ) << "clamp( min:=1*2, value:=2+2, max:=3+1+2)" << false << "clamp(1 * 2, 2 + 2, 3 + 1 + 2)" << QVariant( 4.0 );
QTest::newRow( "named params bad name" ) << "clamp( min:=1, x:=2, y:=3)" << true << "" << QVariant();
QTest::newRow( "named params dupe implied" ) << "clamp( 1, 2, value:= 3, max:=4)" << true << "" << QVariant();
QTest::newRow( "named params dupe explicit" ) << "clamp( 1, value := 2, value:= 3, max:=4)" << true << "" << QVariant();
QTest::newRow( "named params dupe explicit 2" ) << "clamp( value:=1, value := 2, max:=4)" << true << "" << QVariant();
QTest::newRow( "named params non optional omitted" ) << "clamp( min:=1, max:=2)" << true << "" << QVariant();
QTest::newRow( "optional parameters specified" ) << "wordwrap( 'testxstring', 5, 'x')" << false << "wordwrap('testxstring', 5, 'x')" << QVariant( "test\nstring" );
QTest::newRow( "optional parameters specified named" ) << "wordwrap( text:='testxstring', length:=5, delimiter:='x')" << false << "wordwrap('testxstring', 5, 'x')" << QVariant( "test\nstring" );
QTest::newRow( "optional parameters unspecified" ) << "wordwrap( text:='test string', length:=5 )" << false << "wordwrap('test string', 5, '')" << QVariant( "test\nstring" );
QTest::newRow( "named params dupe explicit 3" ) << "wordwrap( 'test string', 5, length:=6 )" << true << "" << QVariant();
QTest::newRow( "named params dupe explicit 4" ) << "wordwrap( text:='test string', length:=5, length:=6 )" << true << "" << QVariant();
}
void named_parameter()
{
QFETCH( QString, string );
QFETCH( bool, parserError );
QFETCH( QString, dump );
QFETCH( QVariant, result );
QgsExpression exp( string );
QCOMPARE( exp.hasParserError(), parserError );
if ( exp.hasParserError() )
{
//parser error, so no point continuing testing
qDebug() << exp.parserErrorString();
return;
}
QgsExpressionContext context;
QVERIFY( exp.prepare( &context ) );
QVariant res = exp.evaluate();
if ( exp.hasEvalError() )
qDebug() << exp.evalErrorString();
if ( res.type() != result.type() )
{
qDebug() << "got " << res.typeName() << " instead of " << result.typeName();
}
QCOMPARE( res, result );
QCOMPARE( exp.dump(), dump );
}
void represent_value()
{
QVariantMap config;
QVariantMap map;
map.insert( QStringLiteral( "one" ), QStringLiteral( "1" ) );
map.insert( QStringLiteral( "two" ), QStringLiteral( "2" ) );
map.insert( QStringLiteral( "three" ), QStringLiteral( "3" ) );
config.insert( QStringLiteral( "map" ), map );
mPointsLayer->setEditorWidgetSetup( 3, QgsEditorWidgetSetup( QStringLiteral( "ValueMap" ), config ) );
// Usage on a value map
QgsExpressionContext context( QgsExpressionContextUtils::globalProjectLayerScopes( mPointsLayer ) );
QgsExpression expression( "represent_value(\"Pilots\", 'Pilots')" );
if ( expression.hasParserError() )
qDebug() << expression.parserErrorString();
QVERIFY( !expression.hasParserError() );
if ( expression.hasEvalError() )
qDebug() << expression.evalErrorString();
QVERIFY( !expression.hasEvalError() );
expression.prepare( &context );
QgsFeature feature;
mPointsLayer->getFeatures( QgsFeatureRequest().setFilterExpression( "Pilots = 1" ) ).nextFeature( feature );
context.setFeature( feature );
QCOMPARE( expression.evaluate( &context ).toString(), QStringLiteral( "one" ) );
// Usage on a simple string
QgsExpression expression2( "represent_value(\"Class\", 'Class')" );
if ( expression2.hasParserError() )
qDebug() << expression2.parserErrorString();
QVERIFY( !expression2.hasParserError() );
if ( expression2.hasEvalError() )
qDebug() << expression2.evalErrorString();
QVERIFY( !expression2.hasEvalError() );
expression2.prepare( &context );
mPointsLayer->getFeatures( QgsFeatureRequest().setFilterExpression( "Class = 'Jet'" ) ).nextFeature( feature );
context.setFeature( feature );
QCOMPARE( expression2.evaluate( &context ).toString(), QStringLiteral( "Jet" ) );
// Test with implicit field name discovery
QgsExpression expression3( "represent_value(\"Pilots\")" );
if ( expression3.hasParserError() )
qDebug() << expression.parserErrorString();
QVERIFY( !expression3.hasParserError() );
if ( expression3.hasEvalError() )
qDebug() << expression3.evalErrorString();
QVERIFY( !expression3.hasEvalError() );
mPointsLayer->getFeatures( QgsFeatureRequest().setFilterExpression( "Pilots = 1" ) ).nextFeature( feature );
context.setFeature( feature );
QCOMPARE( expression.evaluate( &context ).toString(), QStringLiteral( "one" ) );
expression3.prepare( &context );
QCOMPARE( expression.evaluate( &context ).toString(), QStringLiteral( "one" ) );
QgsExpression expression4( "represent_value('Class')" );
expression4.evaluate();
if ( expression4.hasParserError() )
qDebug() << expression4.parserErrorString();
QVERIFY( !expression4.hasParserError() );
if ( expression4.hasEvalError() )
qDebug() << expression4.evalErrorString();
QVERIFY( expression4.hasEvalError() );
expression4.prepare( &context );
if ( expression4.hasParserError() )
qDebug() << expression4.parserErrorString();
QVERIFY( !expression4.hasParserError() );
if ( expression4.hasEvalError() )
qDebug() << expression4.evalErrorString();
QVERIFY( expression4.hasEvalError() );
}
void evaluation_data()
{
QTest::addColumn<QString>( "string" );
QTest::addColumn<bool>( "evalError" );
QTest::addColumn<QVariant>( "result" );
// literal evaluation
QTest::newRow( "literal null" ) << "NULL" << false << QVariant();
QTest::newRow( "literal int" ) << "123" << false << QVariant( 123 );
QTest::newRow( "literal double" ) << "1.2" << false << QVariant( 1.2 );
QTest::newRow( "literal text" ) << "'hello'" << false << QVariant( "hello" );
QTest::newRow( "literal double" ) << ".000001" << false << QVariant( 0.000001 );
QTest::newRow( "literal double" ) << "1.0e-6" << false << QVariant( 0.000001 );
QTest::newRow( "literal double" ) << "1e-6" << false << QVariant( 0.000001 );
QTest::newRow( "literal FALSE" ) << "FALSE" << false << QVariant( false );
QTest::newRow( "literal TRUE" ) << "TRUE" << false << QVariant( true );
// unary minus
QTest::newRow( "unary minus double" ) << "-1.3" << false << QVariant( -1.3 );
QTest::newRow( "unary minus int" ) << "-1" << false << QVariant( -1 );
QTest::newRow( "unary minus text" ) << "-'hello'" << true << QVariant();
QTest::newRow( "unary minus null" ) << "-null" << true << QVariant();
// arithmetics
QTest::newRow( "plus int" ) << "1+3" << false << QVariant( 4 );
QTest::newRow( "plus double" ) << "1+1.3" << false << QVariant( 2.3 );
QTest::newRow( "plus with null" ) << "null+3" << false << QVariant();
QTest::newRow( "plus invalid" ) << "1+'foo'" << true << QVariant();
QTest::newRow( "minus int" ) << "1-3" << false << QVariant( -2 );
QTest::newRow( "minus nan" ) << "1-'nan'" << true << QVariant();
QTest::newRow( "minus inf" ) << "1-'inf'" << true << QVariant();
QTest::newRow( "mul int" ) << "8*7" << false << QVariant( 56 );
QTest::newRow( "div int" ) << "5/2" << false << QVariant( 2.5 );
QTest::newRow( "mod int" ) << "20%6" << false << QVariant( 2 );
QTest::newRow( "minus double" ) << "5.2-3.1" << false << QVariant( 2.1 );
QTest::newRow( "mul double" ) << "2.1*5" << false << QVariant( 10.5 );
QTest::newRow( "div double" ) << "11.0/2" << false << QVariant( 5.5 );
QTest::newRow( "mod double" ) << "6.1 % 2.5" << false << QVariant( 1.1 );
QTest::newRow( "pow" ) << "2^8" << false << QVariant( 256. );
QTest::newRow( "division by zero" ) << "1/0" << false << QVariant();
QTest::newRow( "division by zero" ) << "1.0/0.0" << false << QVariant();
QTest::newRow( "int division" ) << "5//2" << false << QVariant( 2 );
QTest::newRow( "int division with doubles" ) << "5.0//2.0" << false << QVariant( 2 );
QTest::newRow( "negative int division" ) << "-5//2" << false << QVariant( -3 );
QTest::newRow( "negative int division with doubles" ) << "-5.0//2.0" << false << QVariant( -3 );
QTest::newRow( "int division by zero" ) << "1//0" << false << QVariant();
QTest::newRow( "int division by zero with floats" ) << "1.0//0.0" << false << QVariant();
// comparison
QTest::newRow( "eq int" ) << "1+1 = 2" << false << QVariant( 1 );
QTest::newRow( "eq double" ) << "3.2 = 2.2+1" << false << QVariant( 1 );
QTest::newRow( "eq string" ) << "'a' = 'b'" << false << QVariant( 0 );
QTest::newRow( "eq null" ) << "2 = null" << false << QVariant();
QTest::newRow( "eq mixed" ) << "'a' = 1" << false << QVariant( 0 );
QTest::newRow( "ne int 1" ) << "3 != 4" << false << QVariant( 1 );
QTest::newRow( "ne int 2" ) << "3 != 3" << false << QVariant( 0 );
QTest::newRow( "lt int 1" ) << "3 < 4" << false << QVariant( 1 );
QTest::newRow( "lt int 2" ) << "3 < 3" << false << QVariant( 0 );
QTest::newRow( "gt int 1" ) << "3 > 4" << false << QVariant( 0 );
QTest::newRow( "gt int 2" ) << "3 > 3" << false << QVariant( 0 );
QTest::newRow( "le int 1" ) << "3 <= 4" << false << QVariant( 1 );
QTest::newRow( "le int 2" ) << "3 <= 3" << false << QVariant( 1 );
QTest::newRow( "ge int 1" ) << "3 >= 4" << false << QVariant( 0 );
QTest::newRow( "ge int 2" ) << "3 >= 3" << false << QVariant( 1 );
QTest::newRow( "lt text 1" ) << "'bar' < 'foo'" << false << QVariant( 1 );
QTest::newRow( "lt text 2" ) << "'foo' < 'bar'" << false << QVariant( 0 );
QTest::newRow( "'nan'='nan'" ) << "'nan'='nan'" << false << QVariant( 1 );
QTest::newRow( "'nan'='x'" ) << "'nan'='x'" << false << QVariant( 0 );
QTest::newRow( "'inf'='inf'" ) << "'inf'='inf'" << false << QVariant( 1 );
QTest::newRow( "'inf'='x'" ) << "'inf'='x'" << false << QVariant( 0 );
QTest::newRow( "'1.1'='1.1'" ) << "'1.1'='1.1'" << false << QVariant( 1 );
QTest::newRow( "'1.1'!='1.1'" ) << "'1.1'!='1.1'" << false << QVariant( 0 );
QTest::newRow( "'1.1'='1.10'" ) << "'1.1'='1.10'" << false << QVariant( 0 );
QTest::newRow( "'1.1'!='1.10'" ) << "'1.1'!='1.10'" << false << QVariant( 1 );
QTest::newRow( "1.1=1.10" ) << "1.1=1.10" << false << QVariant( 1 );
QTest::newRow( "1.1 != 1.10" ) << "1.1 != 1.10" << false << QVariant( 0 );
QTest::newRow( "'1.1'=1.1" ) << "'1.1'=1.1" << false << QVariant( 1 );
QTest::newRow( "'1.10'=1.1" ) << "'1.10'=1.1" << false << QVariant( 1 );
QTest::newRow( "1.1='1.10'" ) << "1.1='1.10'" << false << QVariant( 1 );
QTest::newRow( "'1.1'='1.10000'" ) << "'1.1'='1.10000'" << false << QVariant( 0 );
QTest::newRow( "'1E-23'='1E-23'" ) << "'1E-23'='1E-23'" << false << QVariant( 1 );
QTest::newRow( "'1E-23'!='1E-23'" ) << "'1E-23'!='1E-23'" << false << QVariant( 0 );
QTest::newRow( "'1E-23'='2E-23'" ) << "'1E-23'='2E-23'" << false << QVariant( 0 );
QTest::newRow( "'1E-23'!='2E-23'" ) << "'1E-23'!='2E-23'" << false << QVariant( 1 );
QTest::newRow( "to_interval('1 minute') < to_interval('20 days')" ) << "to_interval('1 minute') < to_interval('20 days')" << false << QVariant( 1 );
QTest::newRow( "to_interval('1 minute') > to_interval('20 days')" ) << "to_interval('1 minute') > to_interval('20 days')" << false << QVariant( 0 );
QTest::newRow( "to_interval('1 minute') = to_interval('20 days')" ) << "to_interval('1 minute') = to_interval('20 days')" << false << QVariant( 0 );
QTest::newRow( "to_interval('1 minute') != to_interval('20 days')" ) << "to_interval('1 minute') != to_interval('20 days')" << false << QVariant( 1 );
QTest::newRow( "to_interval('1 minute') = to_interval('60 seconds')" ) << "to_interval('1 minute') = to_interval('60 seconds')" << false << QVariant( 1 );
// is, is not
QTest::newRow( "is null,null" ) << "null is null" << false << QVariant( 1 );
QTest::newRow( "is not null,null" ) << "null is not null" << false << QVariant( 0 );
QTest::newRow( "is null" ) << "1 is null" << false << QVariant( 0 );
QTest::newRow( "is not null" ) << "1 is not null" << false << QVariant( 1 );
QTest::newRow( "is int" ) << "1 is 1" << false << QVariant( 1 );
QTest::newRow( "is not int" ) << "1 is not 1" << false << QVariant( 0 );
QTest::newRow( "is text" ) << "'x' is 'y'" << false << QVariant( 0 );
QTest::newRow( "is not text" ) << "'x' is not 'y'" << false << QVariant( 1 );
QTest::newRow( "'1.1' is '1.10'" ) << "'1.1' is '1.10'" << false << QVariant( 0 );
QTest::newRow( "'1.1' is '1.10000'" ) << "'1.1' is '1.10000'" << false << QVariant( 0 );
QTest::newRow( "1.1 is '1.10'" ) << "1.1 is '1.10'" << false << QVariant( 1 );
QTest::newRow( "'1.10' is 1.1" ) << "'1.10' is 1.1" << false << QVariant( 1 );
// logical
QTest::newRow( "T or F" ) << "1=1 or 2=3" << false << QVariant( 1 );
QTest::newRow( "F or F" ) << "1=2 or 2=3" << false << QVariant( 0 );
QTest::newRow( "T and F" ) << "1=1 and 2=3" << false << QVariant( 0 );
QTest::newRow( "T and T" ) << "1=1 and 2=2" << false << QVariant( 1 );
QTest::newRow( "not T" ) << "not 1=1" << false << QVariant( 0 );
QTest::newRow( "not F" ) << "not 2=3" << false << QVariant( 1 );
QTest::newRow( "null" ) << "null=1" << false << QVariant();
QTest::newRow( "U or F" ) << "null=1 or 2=3" << false << QVariant();
QTest::newRow( "U and F" ) << "null=1 and 2=3" << false << QVariant( 0 );
QTest::newRow( "invalid and" ) << "'foo' and 2=3" << true << QVariant();
QTest::newRow( "invalid or" ) << "'foo' or 2=3" << true << QVariant();
QTest::newRow( "invalid not" ) << "not 'foo'" << true << QVariant();
// in, not in
QTest::newRow( "in 1" ) << "1 in (1,2,3)" << false << QVariant( 1 );
QTest::newRow( "in 2" ) << "1 in (1,null,3)" << false << QVariant( 1 );
QTest::newRow( "in 3" ) << "1 in (null,2,3)" << false << QVariant();
QTest::newRow( "in 4" ) << "null in (1,2,3)" << false << QVariant();
QTest::newRow( "in 5" ) << "'a' in (1,2,3)" << false << QVariant( 0 );
QTest::newRow( "in 6" ) << "'a' in (1,'a',3)" << false << QVariant( 1 );
QTest::newRow( "in 7" ) << "'b' in (1,'a',3)" << false << QVariant( 0 );
QTest::newRow( "in 8" ) << "1.2 in (1,2,3)" << false << QVariant( 0 );
QTest::newRow( "in 9" ) << "'010080383000187224' in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 0 );
QTest::newRow( "in 10" ) << "'010080383000187219' in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 1 );
QTest::newRow( "in 11" ) << "'010080383000187218' in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 1 );
QTest::newRow( "in 12" ) << "'010080383000187223' in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 1 );
QTest::newRow( "not in 1" ) << "1 not in (1,2,3)" << false << QVariant( 0 );
QTest::newRow( "not in 2" ) << "1 not in (1,null,3)" << false << QVariant( 0 );
QTest::newRow( "not in 3" ) << "1 not in (null,2,3)" << false << QVariant();
QTest::newRow( "not in 4" ) << "null not in (1,2,3)" << false << QVariant();
QTest::newRow( "not in 5" ) << "'a' not in (1,2,3)" << false << QVariant( 1 );
QTest::newRow( "not in 6" ) << "'a' not in (1,'a',3)" << false << QVariant( 0 );
QTest::newRow( "not in 7" ) << "'b' not in (1,'a',3)" << false << QVariant( 1 );
QTest::newRow( "not in 8" ) << "1.2 not in (1,2,3)" << false << QVariant( 1 );
QTest::newRow( "not in 9" ) << "'010080383000187224' not in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 1 );
QTest::newRow( "not in 10" ) << "'010080383000187219' not in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 0 );
QTest::newRow( "not in 11" ) << "'010080383000187218' not in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 0 );
QTest::newRow( "not in 12" ) << "'010080383000187223' not in ('010080383000187219','010080383000187218','010080383000187223')" << false << QVariant( 0 );
// regexp, like
QTest::newRow( "like 1" ) << "'hello' like '%ll_'" << false << QVariant( 1 );
QTest::newRow( "like 2" ) << "'hello' like '_el%'" << false << QVariant( 1 );
QTest::newRow( "like 3" ) << "'hello' like 'lo'" << false << QVariant( 0 );
QTest::newRow( "like 4" ) << "'hello' like '%LO'" << false << QVariant( 0 );
QTest::newRow( "ilike" ) << "'hello' ilike '%LO'" << false << QVariant( 1 );
// the \\\\ is like \\ in the interface
QTest::newRow( "like escape 1" ) << "'1%' like '1\\\\%'" << false << QVariant( 1 );
QTest::newRow( "like escape 2" ) << "'1_' like '1\\\\%'" << false << QVariant( 0 );
QTest::newRow( "regexp 1" ) << "'hello' ~ 'll'" << false << QVariant( 1 );
QTest::newRow( "regexp 2" ) << "'hello' ~ '^ll'" << false << QVariant( 0 );
QTest::newRow( "regexp 3" ) << "'hello' ~ 'llo$'" << false << QVariant( 1 );
// concatenation
QTest::newRow( "concat with plus" ) << "'a' + 'b'" << false << QVariant( "ab" );
QTest::newRow( "concat" ) << "'a' || 'b'" << false << QVariant( "ab" );
QTest::newRow( "concat with int" ) << "'a' || 1" << false << QVariant( "a1" );
QTest::newRow( "concat with int" ) << "2 || 'b'" << false << QVariant( "2b" );
QTest::newRow( "concat with null" ) << "'a' || null" << false << QVariant();
QTest::newRow( "concat numbers" ) << "1 || 2" << false << QVariant( "12" );
// math functions
QTest::newRow( "pi" ) << "pi()" << false << QVariant( M_PI );
QTest::newRow( "sqrt" ) << "sqrt(16)" << false << QVariant( 4. );
QTest::newRow( "sqrt" ) << "sqrt(value:=16)" << false << QVariant( 4. );
QTest::newRow( "abs(0.1)" ) << "abs(0.1)" << false << QVariant( 0.1 );
QTest::newRow( "abs(0)" ) << "abs(0)" << false << QVariant( 0. );
QTest::newRow( "abs( value:=-0.1)" ) << "abs(value:=-0.1)" << false << QVariant( 0.1 );
QTest::newRow( "invalid sqrt value" ) << "sqrt('a')" << true << QVariant();
QTest::newRow( "degrees to radians" ) << "toint(radians(degrees:=45)*1000000)" << false << QVariant( 785398 ); // sorry for the nasty hack to work around floating point comparison problems
QTest::newRow( "radians to degrees" ) << "toint(degrees(radians:=2)*1000)" << false << QVariant( 114592 );
QTest::newRow( "sin 0" ) << "sin(angle:=0)" << false << QVariant( 0. );
QTest::newRow( "cos 0" ) << "cos(angle:=0)" << false << QVariant( 1. );
QTest::newRow( "tan 0" ) << "tan(angle:=0)" << false << QVariant( 0. );
QTest::newRow( "asin 0" ) << "asin(value:=0)" << false << QVariant( 0. );
QTest::newRow( "acos 1" ) << "acos(value:=1)" << false << QVariant( 0. );
QTest::newRow( "atan 0" ) << "atan(value:=0)" << false << QVariant( 0. );
QTest::newRow( "atan2(0,1)" ) << "atan2(0,1)" << false << QVariant( 0. );
QTest::newRow( "atan2(1,0)" ) << "atan2(dx:=1,dy:=0)" << false << QVariant( M_PI / 2 );
QTest::newRow( "exp(0)" ) << "exp(0)" << false << QVariant( 1. );
QTest::newRow( "exp(1)" ) << "exp(value:=1)" << false << QVariant( exp( 1. ) );
QTest::newRow( "ln(0)" ) << "ln(0)" << false << QVariant();
QTest::newRow( "log10(-1)" ) << "log10(-1)" << false << QVariant();
QTest::newRow( "ln(1)" ) << "ln(value:=1)" << false << QVariant( log( 1. ) );
QTest::newRow( "log10(100)" ) << "log10(100)" << false << QVariant( 2. );
QTest::newRow( "log(2,32)" ) << "log(2,32)" << false << QVariant( 5. );
QTest::newRow( "log(10,1000)" ) << "log(base:=10,value:=1000)" << false << QVariant( 3. );
QTest::newRow( "log(-2,32)" ) << "log(-2,32)" << false << QVariant();
QTest::newRow( "log(2,-32)" ) << "log(2,-32)" << false << QVariant();
QTest::newRow( "log(0.5,32)" ) << "log(0.5,32)" << false << QVariant( -5. );
QTest::newRow( "round(1234.557,2) - round up" ) << "round(1234.557,2)" << false << QVariant( 1234.56 );
QTest::newRow( "round(1234.554,2) - round down" ) << "round(1234.554,2)" << false << QVariant( 1234.55 );
QTest::newRow( "round(1234.6) - round up to int" ) << "round(1234.6)" << false << QVariant( 1235 );
QTest::newRow( "round(1234.4) - round down to int" ) << "round(1234.4)" << false << QVariant( 1234 );
QTest::newRow( "max(1)" ) << "max(1)" << false << QVariant( 1. );
QTest::newRow( "max(1,3.5,-2.1)" ) << "max(1,3.5,-2.1)" << false << QVariant( 3.5 );
QTest::newRow( "max(3.5,-2.1,1)" ) << "max(3.5,-2.1,1)" << false << QVariant( 3.5 );
QTest::newRow( "max with null value" ) << "max(1,3.5,null)" << false << QVariant( 3.5 );
QTest::newRow( "max with null value first" ) << "max(null,-3.5,2)" << false << QVariant( 2. );
QTest::newRow( "max with no params" ) << "max()" << false << QVariant( QVariant::Double );
QTest::newRow( "max with only null value" ) << "max(null)" << false << QVariant( QVariant::Double );
QTest::newRow( "min(-1.5)" ) << "min(-1.5)" << false << QVariant( -1.5 );
QTest::newRow( "min(-16.6,3.5,-2.1)" ) << "min(-16.6,3.5,-2.1)" << false << QVariant( -16.6 );
QTest::newRow( "min(5,3.5,-2.1)" ) << "min(5,3.5,-2.1)" << false << QVariant( -2.1 );
QTest::newRow( "min with null value" ) << "min(5,null,-2.1)" << false << QVariant( -2.1 );
QTest::newRow( "min with null value first" ) << "min(null,3.2,6.5)" << false << QVariant( 3.2 );
QTest::newRow( "min with no params" ) << "min()" << false << QVariant( QVariant::Double );
QTest::newRow( "min with only null value" ) << "min(null)" << false << QVariant( QVariant::Double );
QTest::newRow( "clamp(-2,1,5)" ) << "clamp(-2,1,5)" << false << QVariant( 1.0 );
QTest::newRow( "clamp(min:=-2,value:=1,max:=5)" ) << "clamp(min:=-2,value:=1,max:=5)" << false << QVariant( 1.0 );
QTest::newRow( "clamp(-2,-10,5)" ) << "clamp(-2,-10,5)" << false << QVariant( -2.0 );
QTest::newRow( "clamp(-2,100,5)" ) << "clamp(-2,100,5)" << false << QVariant( 5.0 );
QTest::newRow( "floor(4.9)" ) << "floor(4.9)" << false << QVariant( 4. );
QTest::newRow( "floor(-4.9)" ) << "floor(-4.9)" << false << QVariant( -5. );
QTest::newRow( "ceil(4.9)" ) << "ceil(4.9)" << false << QVariant( 5. );
QTest::newRow( "ceil(-4.9)" ) << "ceil(-4.9)" << false << QVariant( -4. );
QTest::newRow( "scale_linear(0.5,0,1,0,1)" ) << "scale_linear(0.5,0,1,0,1)" << false << QVariant( 0.5 );
QTest::newRow( "scale_linear(0,0,10,100,200)" ) << "scale_linear(0,0,10,100,200)" << false << QVariant( 100. );
QTest::newRow( "scale_linear(5,0,10,100,200)" ) << "scale_linear(5,0,10,100,200)" << false << QVariant( 150. );
QTest::newRow( "scale_linear(10,0,10,100,200)" ) << "scale_linear(10,0,10,100,200)" << false << QVariant( 200. );
QTest::newRow( "scale_linear(-1,0,10,100,200)" ) << "scale_linear(-1,0,10,100,200)" << false << QVariant( 100. );
QTest::newRow( "scale_linear(11,0,10,100,200)" ) << "scale_linear(11,0,10,100,200)" << false << QVariant( 200. );
QTest::newRow( "scale_exp(0.5,0,1,0,1,2)" ) << "scale_exp(0.5,0,1,0,1,2)" << false << QVariant( 0.25 );
QTest::newRow( "scale_exp(0,0,10,100,200,2)" ) << "scale_exp(0,0,10,100,200,2)" << false << QVariant( 100. );
QTest::newRow( "scale_exp(5,0,10,100,200,2)" ) << "scale_exp(5,0,10,100,200,2)" << false << QVariant( 125. );
QTest::newRow( "scale_exp(10,0,10,100,200,0.5)" ) << "scale_exp(10,0,10,100,200,0.5)" << false << QVariant( 200. );
QTest::newRow( "scale_exp(-1,0,10,100,200,0.5)" ) << "scale_exp(-1,0,10,100,200,0.5)" << false << QVariant( 100. );
QTest::newRow( "scale_exp(4,0,9,0,90,0.5)" ) << "scale_exp(4,0,9,0,90,0.5)" << false << QVariant( 60. );
// cast functions
QTest::newRow( "double to int" ) << "toint(3.2)" << false << QVariant( 3 );
QTest::newRow( "text to int" ) << "toint('53')" << false << QVariant( 53 );
QTest::newRow( "null to int" ) << "toint(null)" << false << QVariant();
QTest::newRow( "int to double" ) << "toreal(3)" << false << QVariant( 3. );
QTest::newRow( "text to double" ) << "toreal('53.1')" << false << QVariant( 53.1 );
QTest::newRow( "null to double" ) << "toreal(null)" << false << QVariant();
QTest::newRow( "int to text" ) << "tostring(6)" << false << QVariant( "6" );
QTest::newRow( "double to text" ) << "tostring(1.23)" << false << QVariant( "1.23" );
QTest::newRow( "null to text" ) << "tostring(null)" << false << QVariant();
// DMS conversion
QTest::newRow( "X coordinate to degree minute aligned" ) << "to_dm(6.3545681,'x',2,'aligned')" << false << QVariant( "6°21.27′E" );
QTest::newRow( "X coordinate to degree minute with suffix" ) << "to_dm(6.3545681,'x',2,'suffix')" << false << QVariant( "6°21.27′E" );
QTest::newRow( "X coordinate to degree minute without formatting" ) << "to_dm(6.3545681,'x',2,'')" << false << QVariant( "6°21.27′" );
QTest::newRow( "X coordinate to degree minute" ) << "to_dm(6.3545681,'x',2)" << false << QVariant( "6°21.27′" );
QTest::newRow( "Y coordinate to degree minute second aligned" ) << "to_dms(6.3545681,'y',2,'aligned')" << false << QVariant( "6°21′16.45″N" );
QTest::newRow( "Y coordinate to degree minute second with suffix" ) << "to_dms(6.3545681,'y',2,'suffix')" << false << QVariant( "6°21′16.45″N" );
QTest::newRow( "Y coordinate to degree minute second without formatting" ) << "to_dms(6.3545681,'y',2,'')" << false << QVariant( "6°21′16.45″" );
QTest::newRow( "Y coordinate to degree minute second" ) << "to_dms(6.3545681,'y',2)" << false << QVariant( "6°21′16.45″" );
// geometry functions
QTest::newRow( "num_points" ) << "num_points(geom_from_wkt('GEOMETRYCOLLECTION(LINESTRING(0 0, 1 0),POINT(6 5))'))" << false << QVariant( 3 );
QTest::newRow( "num_interior_rings not geom" ) << "num_interior_rings('g')" << true << QVariant();
QTest::newRow( "num_interior_rings null" ) << "num_interior_rings(NULL)" << false << QVariant();
QTest::newRow( "num_interior_rings point" ) << "num_interior_rings(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "num_interior_rings polygon" ) << "num_interior_rings(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant( 0 );
QTest::newRow( "num_interior_rings polygon with rings" ) << "num_interior_rings(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant( 2 );
QTest::newRow( "num_interior_rings line" ) << "num_interior_rings(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))" << false << QVariant();
QTest::newRow( "num_interior_rings collection no polygon" ) << "num_interior_rings(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'))" << false << QVariant();
QTest::newRow( "num_interior_rings collection with polygon" ) << "num_interior_rings(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 1), POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1)), POINT(1 0))'))" << false << QVariant( 2 );
QTest::newRow( "num_rings not geom" ) << "num_rings('g')" << true << QVariant();
QTest::newRow( "num_rings null" ) << "num_rings(NULL)" << false << QVariant();
QTest::newRow( "num_rings point" ) << "num_rings(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "num_rings polygon" ) << "num_rings(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant( 1 );
QTest::newRow( "num_rings polygon with rings" ) << "num_rings(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant( 3 );
QTest::newRow( "num_rings line" ) << "num_rings(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))" << false << QVariant();
QTest::newRow( "num_rings collection no polygon" ) << "num_rings(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'))" << false << QVariant();
QTest::newRow( "num_rings collection with polygon" ) << "num_rings(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 1), POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1)), POINT(1 0))'))" << false << QVariant( 3 );
QTest::newRow( "num_rings collection two polygons" ) << "num_rings(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1)), POINT(0 0), POINT(1 1), POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1)), POINT(1 0))'))" << false << QVariant( 4 );
QTest::newRow( "num_geometries not geom" ) << "num_geometries('g')" << true << QVariant();
QTest::newRow( "num_geometries null" ) << "num_geometries(NULL)" << false << QVariant();
QTest::newRow( "num_geometries point" ) << "num_geometries(geom_from_wkt('POINT(1 2)'))" << false << QVariant( 1 );
QTest::newRow( "num_geometries polygon" ) << "num_geometries(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant( 1 );
QTest::newRow( "num_geometries line" ) << "num_geometries(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))" << false << QVariant( 1 );
QTest::newRow( "num_geometries collection 1" ) << "num_geometries(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'))" << false << QVariant( 4 );
QTest::newRow( "num_geometries collection 2" ) << "num_geometries(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 1), POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1)), POINT(1 0))'))" << false << QVariant( 5 );
QTest::newRow( "num_geometries empty collection" ) << "num_geometries(geom_from_wkt('GEOMETRYCOLLECTION()'))" << false << QVariant( 0 );
QTest::newRow( "nodes_to_points not geom" ) << "nodes_to_points('g')" << true << QVariant();
QTest::newRow( "nodes_to_points null" ) << "nodes_to_points(NULL)" << false << QVariant();
QTest::newRow( "nodes_to_points point" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('POINT(1 2)')))" << false << QVariant( QStringLiteral( "MultiPoint ((1 2))" ) );
QTest::newRow( "nodes_to_points polygon" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))')))" << false << QVariant( QStringLiteral( "MultiPoint ((-1 -1),(4 0),(4 2),(0 2),(-1 -1))" ) );
QTest::newRow( "nodes_to_points polygon with rings" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-0.3 -0.9, -0.3 0, 4 -0.1, 0.1 2.1, -0.3 -0.9))')))" << false
<< QVariant( QStringLiteral( "MultiPoint ((-1 -1),(4 0),(4 2),(0 2),(-1 -1),(-0.1 -0.1),(0.4 0),(0.4 0.2),(0 0.2),(-0.1 -0.1),(-0.3 -0.9),(-0.3 0),(4 -0.1),(0.1 2.1),(-0.3 -0.9))" ) );
QTest::newRow( "nodes_to_points line" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)')))" << false
<< QVariant( QStringLiteral( "MultiPoint ((0 0),(1 1),(2 2))" ) );
QTest::newRow( "nodes_to_points collection 1" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))')))" << false
<< QVariant( QStringLiteral( "MultiPoint ((0 1),(0 0),(1 0),(1 1))" ) );
QTest::newRow( "nodes_to_points collection 2" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('GEOMETRYCOLLECTION(POINTZM(0 1 2 3), POINTZM(0 0 3 4), POINTZM(1 1 5 6), POLYGONZM((-1 -1 7 8, 4 0 1 2, 4 2 7 6, 0 2 1 3, -1 -1 7 8),(-0.1 -0.1 5 4, 0.4 0 9 8, 0.4 0.2 7 10, 0 0.2 0 0, -0.1 -0.1 5 4),(-1 -1 0 0, 4 0 0 1, 4 2 1 2, 0 2 2 3, -1 -1 0 0)), POINTZM(1 0 1 2))')))" << false
<< QVariant( QStringLiteral( "MultiPointZM ((0 1 2 3),(0 0 3 4),(1 1 5 6),(-1 -1 7 8),(4 0 1 2),(4 2 7 6),(0 2 1 3),(-1 -1 7 8),(-0.1 -0.1 5 4),(0.4 0 9 8),(0.4 0.2 7 10),(0 0.2 0 0),(-0.1 -0.1 5 4),(-1 -1 0 0),(4 0 0 1),(4 2 1 2),(0 2 2 3),(-1 -1 0 0),(1 0 1 2))" ) );
QTest::newRow( "nodes_to_points empty collection" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('GEOMETRYCOLLECTION()')))" << false <<
QVariant( QStringLiteral( "MultiPoint EMPTY" ) );
QTest::newRow( "nodes_to_points no close polygon" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'),true))" << false << QVariant( QStringLiteral( "MultiPoint ((-1 -1),(4 0),(4 2),(0 2))" ) );
QTest::newRow( "nodes_to_points no close polygon with rings" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-0.3 -0.9, -0.3 0, 4 -0.1, 0.1 2.1, -0.3 -0.9))'),true))" << false
<< QVariant( QStringLiteral( "MultiPoint ((-1 -1),(4 0),(4 2),(0 2),(-0.1 -0.1),(0.4 0),(0.4 0.2),(0 0.2),(-0.3 -0.9),(-0.3 0),(4 -0.1),(0.1 2.1))" ) );
QTest::newRow( "nodes_to_points no close unclosed line" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'),true))" << false
<< QVariant( QStringLiteral( "MultiPoint ((0 0),(1 1),(2 2))" ) );
QTest::newRow( "nodes_to_points no close closed line" ) << "geom_to_wkt(nodes_to_points(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2, 0 0)'),true))" << false
<< QVariant( QStringLiteral( "MultiPoint ((0 0),(1 1),(2 2))" ) );
QTest::newRow( "segments_to_lines not geom" ) << "segments_to_lines('g')" << true << QVariant();
QTest::newRow( "segments_to_lines null" ) << "segments_to_lines(NULL)" << false << QVariant();
QTest::newRow( "segments_to_lines point" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('POINT(1 2)')))" << false << QVariant( QStringLiteral( "MultiLineString EMPTY" ) );
QTest::newRow( "segments_to_lines polygon" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))')))" << false << QVariant( QStringLiteral( "MultiLineString ((-1 -1, 4 0),(4 0, 4 2),(4 2, 0 2),(0 2, -1 -1))" ) );
QTest::newRow( "segments_to_lines polygon with rings" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-0.3 -0.9, -0.3 0, 4 -0.1, 0.1 2.1, -0.3 -0.9))')))" << false
<< QVariant( QStringLiteral( "MultiLineString ((-1 -1, 4 0),(4 0, 4 2),(4 2, 0 2),(0 2, -1 -1),(-0.1 -0.1, 0.4 0),(0.4 0, 0.4 0.2),(0.4 0.2, 0 0.2),(0 0.2, -0.1 -0.1),(-0.3 -0.9, -0.3 0),(-0.3 0, 4 -0.1),(4 -0.1, 0.1 2.1),(0.1 2.1, -0.3 -0.9))" ) );
QTest::newRow( "segments_to_lines line" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)')))" << false
<< QVariant( QStringLiteral( "MultiLineString ((0 0, 1 1),(1 1, 2 2))" ) );
QTest::newRow( "segments_to_lines collection 1" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))')))" << false
<< QVariant( QStringLiteral( "MultiLineString EMPTY" ) );
QTest::newRow( "segments_to_lines collection 2" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('GEOMETRYCOLLECTION(POINTZM(0 1 2 3), LINESTRINGZM(0 0 1 2, 1 1 3 4, 2 2 5 6), POINTZM(1 1 5 6), POLYGONZM((-1 -1 7 8, 4 0 1 2, 4 2 7 6, 0 2 1 3, -1 -1 7 8)), POINTZM(1 0 1 2))')))" << false
<< QVariant( QStringLiteral( "MultiLineStringZM ((0 0 1 2, 1 1 3 4),(1 1 3 4, 2 2 5 6),(-1 -1 7 8, 4 0 1 2),(4 0 1 2, 4 2 7 6),(4 2 7 6, 0 2 1 3),(0 2 1 3, -1 -1 7 8))" ) );
QTest::newRow( "segments_to_lines empty collection" ) << "geom_to_wkt(segments_to_lines(geom_from_wkt('GEOMETRYCOLLECTION()')))" << false <<
QVariant( QStringLiteral( "MultiLineString EMPTY" ) );
QTest::newRow( "length line" ) << "length(geom_from_wkt('LINESTRING(0 0, 4 0)'))" << false << QVariant( 4.0 );
QTest::newRow( "length polygon" ) << "length(geom_from_wkt('POLYGON((0 0, 4 0, 4 2, 0 2, 0 0))'))" << false << QVariant();
QTest::newRow( "length point" ) << "length(geom_from_wkt('POINT(0 0)'))" << false << QVariant();
QTest::newRow( "area polygon" ) << "area(geom_from_wkt('POLYGON((0 0, 4 0, 4 2, 0 2, 0 0))'))" << false << QVariant( 8.0 );
QTest::newRow( "area line" ) << "area(geom_from_wkt('LINESTRING(0 0, 4 0)'))" << false << QVariant();
QTest::newRow( "area point" ) << "area(geom_from_wkt('POINT(0 0)'))" << false << QVariant();
QTest::newRow( "perimeter polygon" ) << "perimeter(geom_from_wkt('POLYGON((0 0, 4 0, 4 2, 0 2, 0 0))'))" << false << QVariant( 12.0 );
QTest::newRow( "perimeter line" ) << "perimeter(geom_from_wkt('LINESTRING(0 0, 4 0)'))" << false << QVariant();
QTest::newRow( "perimeter point" ) << "perimeter(geom_from_wkt('POINT(0 0)'))" << false << QVariant();
QTest::newRow( "point_n point" ) << "geom_to_wkt(point_n(geom_from_wkt('POINT(0 0)'),1))" << false << QVariant( "Point (0 0)" );
QTest::newRow( "point_n bad index" ) << "geom_to_wkt(point_n(geom_from_wkt('POINT(0 0)'),0))" << true << QVariant();
QTest::newRow( "point_n bad index" ) << "geom_to_wkt(point_n(geom_from_wkt('POINT(0 0)'),2))" << true << QVariant();
QTest::newRow( "point_n multipoint" ) << "geom_to_wkt(point_n(geom_from_wkt('MULTIPOINT((0 0), (1 1), (2 2))'),2))" << false << QVariant( "Point (1 1)" );
QTest::newRow( "point_n multipoint negative" ) << "geom_to_wkt(point_n(geom_from_wkt('MULTIPOINT((0 0), (1 1), (2 2))'),-1))" << false << QVariant( "Point (2 2)" );
QTest::newRow( "point_n line" ) << "geom_to_wkt(point_n(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'),3))" << false << QVariant( "Point (2 2)" );
QTest::newRow( "point_n polygon" ) << "geom_to_wkt(point_n(geom_from_wkt('POLYGON((0 0, 4 0, 4 2, 0 2, 0 0))'),3))" << false << QVariant( "Point (4 2)" );
QTest::newRow( "interior_ring_n not geom" ) << "interior_ring_n('g', 1)" << true << QVariant();
QTest::newRow( "interior_ring_n null" ) << "interior_ring_n(NULL, 1)" << false << QVariant();
QTest::newRow( "interior_ring_n point" ) << "interior_ring_n(geom_from_wkt('POINT(1 2)'), 1)" << false << QVariant();
QTest::newRow( "interior_ring_n polygon no rings" ) << "interior_ring_n(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'),1)" << false << QVariant();
QTest::newRow( "interior_ring_n polygon with rings" ) << "geom_to_wkt(interior_ring_n(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1))'),1))" << false
<< QVariant( QStringLiteral( "LineString (-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1)" ) );
QTest::newRow( "interior_ring_n polygon with rings bad index 1" ) << "interior_ring_n(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1))'),0)" << false
<< QVariant();
QTest::newRow( "interior_ring_n polygon with rings bad index 2" ) << "interior_ring_n(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),(-0.1 -0.1, 0.4 0, 0.4 0.2, 0 0.2, -0.1 -0.1),(-1 -1, 4 0, 4 2, 0 2, -1 -1))'),3)" << false
<< QVariant();
QTest::newRow( "interior_ring_n line" ) << "interior_ring_n(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'), 1)" << false << QVariant();
QTest::newRow( "interior_ring_n collection" ) << "interior_ring_n(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'),1)" << false << QVariant();
QTest::newRow( "geometry_n not geom" ) << "geometry_n('g', 1)" << true << QVariant();
QTest::newRow( "geometry_n null" ) << "geometry_n(NULL, 1)" << false << QVariant();
QTest::newRow( "geometry_n point" ) << "geometry_n(geom_from_wkt('POINT(1 2)'), 1)" << false << QVariant();
QTest::newRow( "geometry_n polygon" ) << "geometry_n(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'),1)" << false << QVariant();
QTest::newRow( "geometry_n line" ) << "geometry_n(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'), 1)" << false << QVariant();
QTest::newRow( "geometry_n collection" ) << "geom_to_wkt(geometry_n(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'),3))" << false << QVariant( QStringLiteral( "Point (1 0)" ) );
QTest::newRow( "geometry_n collection bad index 1" ) << "geometry_n(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'),0)" << false << QVariant();
QTest::newRow( "geometry_n collection bad index 2" ) << "geometry_n(geom_from_wkt('GEOMETRYCOLLECTION(POINT(0 1), POINT(0 0), POINT(1 0), POINT(1 1))'),5)" << false << QVariant();
QTest::newRow( "force_rhr not geom" ) << "force_rhr('g')" << true << QVariant();
QTest::newRow( "force_rhr null" ) << "force_rhr(NULL)" << false << QVariant();
QTest::newRow( "force_rhr point" ) << "geom_to_wkt(force_rhr(geom_from_wkt('POINT(1 2)')))" << false << QVariant( "Point (1 2)" );
QTest::newRow( "force_rhr polygon" ) << "geom_to_wkt(force_rhr(geometry:=geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))')))" << false << QVariant( "Polygon ((-1 -1, 0 2, 4 2, 4 0, -1 -1))" );
QTest::newRow( "force_rhr multipolygon" ) << "geom_to_wkt(force_rhr(geometry:=geom_from_wkt('MULTIPOLYGON(Polygon((-1 -1, 4 0, 4 2, 0 2, -1 -1)),Polygon((100 100, 200 100, 200 200, 100 200, 100 100)))')))" << false << QVariant( "MultiPolygon (((-1 -1, 0 2, 4 2, 4 0, -1 -1)),((100 100, 100 200, 200 200, 200 100, 100 100)))" );
QTest::newRow( "force_rhr line" ) << "geom_to_wkt(force_rhr(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)')))" << false << QVariant( "LineString (0 0, 1 1, 2 2)" );
QTest::newRow( "boundary not geom" ) << "boundary('g')" << true << QVariant();
QTest::newRow( "boundary null" ) << "boundary(NULL)" << false << QVariant();
QTest::newRow( "boundary point" ) << "boundary(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "boundary polygon" ) << "geom_to_wkt(boundary(geometry:=geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))')))" << false << QVariant( "LineString (-1 -1, 4 0, 4 2, 0 2, -1 -1)" );
QTest::newRow( "boundary line" ) << "geom_to_wkt(boundary(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)')))" << false << QVariant( "MultiPoint ((0 0),(2 2))" );
QTest::newRow( "line_merge not geom" ) << "line_merge('g')" << true << QVariant();
QTest::newRow( "line_merge null" ) << "line_merge(NULL)" << false << QVariant();
QTest::newRow( "line_merge point" ) << "line_merge(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "line_merge line" ) << "geom_to_wkt(line_merge(geometry:=geom_from_wkt('LineString(0 0, 10 10)')))" << false << QVariant( "LineString (0 0, 10 10)" );
QTest::newRow( "line_merge multiline" ) << "geom_to_wkt(line_merge(geom_from_wkt('MultiLineString((0 0, 10 10),(10 10, 20 20))')))" << false << QVariant( "LineString (0 0, 10 10, 20 20)" );
QTest::newRow( "offset_curve not geom" ) << "offset_curve('g', 5)" << true << QVariant();
QTest::newRow( "offset_curve null" ) << "offset_curve(NULL, 5)" << false << QVariant();
QTest::newRow( "offset_curve point" ) << "offset_curve(geom_from_wkt('POINT(1 2)'),5)" << false << QVariant();
QTest::newRow( "offset_curve line" ) << "geom_to_wkt(offset_curve(geom_from_wkt('LineString(0 0, 10 0)'),1,segments:=4))" << false << QVariant( "LineString (10 1, 0 1)" );
QTest::newRow( "offset_curve line miter" ) << "geom_to_wkt(offset_curve(geometry:=geom_from_wkt('LineString(0 0, 10 0)'),distance:=-1,join:=2,miter_limit:=1))" << false << QVariant( "LineString (0 -1, 10 -1)" );
QTest::newRow( "offset_curve line bevel" ) << "geom_to_wkt(offset_curve(geometry:=geom_from_wkt('LineString(0 0, 10 0, 10 10)'),distance:=1,join:=3))" << false << QVariant( "LineString (0 1, 9 1, 9 10)" );
QTest::newRow( "wedge_buffer not geom" ) << "wedge_buffer('g', 0, 45, 1)" << true << QVariant();
QTest::newRow( "wedge_buffer null" ) << "wedge_buffer(NULL, 0, 45, 1)" << false << QVariant();
QTest::newRow( "wedge_buffer point" ) << "geom_to_wkt(wedge_buffer(center:=geom_from_wkt('POINT(1 2)'),azimuth:=90,width:=180,outer_radius:=1))" << false << QVariant( QStringLiteral( "CurvePolygon (CompoundCurve (CircularString (1 3, 2 2, 1 1),(1 1, 1 2),(1 2, 1 3)))" ) );
QTest::newRow( "wedge_buffer point inner" ) << "geom_to_wkt(wedge_buffer(center:=geom_from_wkt('POINT(1 2)'),azimuth:=90,width:=180,outer_radius:=2,inner_radius:=1))" << false << QVariant( QStringLiteral( "CurvePolygon (CompoundCurve (CircularString (1 4, 3 2, 1 0),(1 0, 1 1),CircularString (1 1, 0 2, 1 3),(1 3, 1 4)))" ) );
QTest::newRow( "tapered_buffer not geom" ) << "tapered_buffer('g', 1, 2, 8)" << true << QVariant();
QTest::newRow( "tapered_buffer null" ) << "tapered_buffer(NULL, 1, 2, 8)" << false << QVariant();
QTest::newRow( "tapered_buffer point" ) << "geom_to_wkt(tapered_buffer(geometry:=geom_from_wkt('POINT(1 2)'),start_width:=1,end_width:=2,segments:=10))" << true << QVariant();
QTest::newRow( "tapered_buffer line" ) << "geom_to_wkt(tapered_buffer(geometry:=geom_from_wkt('LineString(0 0, 10 0)'),start_width:=1,end_width:=2,segments:=3))" << false << QVariant( QStringLiteral( "MultiPolygon (((-0 -0.5, -0.25 -0.4330127, -0.4330127 -0.25, -0.5 0, -0.4330127 0.25, -0.25 0.4330127, 0 0.5, 10 1, 10.5 0.8660254, 10.8660254 0.5, 11 -0, 10.8660254 -0.5, 10.5 -0.8660254, 10 -1, -0 -0.5)))" ) );
QTest::newRow( "tapered_buffer line 2" ) << "geom_to_wkt(tapered_buffer(geometry:=geom_from_wkt('LineString(0 0, 10 0)'),start_width:=2,end_width:=1,segments:=3))" << false << QVariant( QStringLiteral( "MultiPolygon (((-0 -1, -0.5 -0.8660254, -0.8660254 -0.5, -1 0, -0.8660254 0.5, -0.5 0.8660254, 0 1, 10 0.5, 10.25 0.4330127, 10.4330127 0.25, 10.5 -0, 10.4330127 -0.25, 10.25 -0.4330127, 10 -0.5, -0 -1)))" ) );
QTest::newRow( "buffer_by_m not geom" ) << "buffer_by_m('g', 8)" << true << QVariant();
QTest::newRow( "buffer_by_m null" ) << "buffer_by_m(NULL, 8)" << false << QVariant();
QTest::newRow( "buffer_by_m point" ) << "geom_to_wkt(buffer_by_m(geometry:=geom_from_wkt('POINT(1 2)'),segments:=10))" << true << QVariant();
QTest::newRow( "buffer_by_m line" ) << "geom_to_wkt(buffer_by_m(geometry:=geom_from_wkt('LineString(0 0, 10 0)'),segments:=3))" << false << QVariant( QStringLiteral( "GeometryCollection EMPTY" ) );
QTest::newRow( "buffer_by_m linem" ) << "geom_to_wkt(buffer_by_m(geometry:=geom_from_wkt('LineStringM(0 0 1, 10 0 2)'),segments:=3))" << false << QVariant( QStringLiteral( "MultiPolygon (((-0 -0.5, -0.25 -0.4330127, -0.4330127 -0.25, -0.5 0, -0.4330127 0.25, -0.25 0.4330127, 0 0.5, 10 1, 10.5 0.8660254, 10.8660254 0.5, 11 -0, 10.8660254 -0.5, 10.5 -0.8660254, 10 -1, -0 -0.5)))" ) );
QTest::newRow( "single_sided_buffer not geom" ) << "single_sided_buffer('g', 5)" << true << QVariant();
QTest::newRow( "single_sided_buffer null" ) << "single_sided_buffer(NULL, 5)" << false << QVariant();
QTest::newRow( "single_sided_buffer point" ) << "single_sided_buffer(geom_from_wkt('POINT(1 2)'),5)" << false << QVariant();
QTest::newRow( "single_sided_buffer line" ) << "geom_to_wkt(single_sided_buffer(geom_from_wkt('LineString(0 0, 10 0)'),1,segments:=4))" << false << QVariant( "Polygon ((10 0, 0 0, 0 1, 10 1, 10 0))" );
QTest::newRow( "single_sided_buffer line miter" ) << "geom_to_wkt(single_sided_buffer(geometry:=geom_from_wkt('LineString(0 0, 10 0)'),distance:=-1,join:=2,miter_limit:=1))" << false << QVariant( "Polygon ((0 0, 10 0, 10 -1, 0 -1, 0 0))" );
QTest::newRow( "single_sided_buffer line bevel" ) << "geom_to_wkt(single_sided_buffer(geometry:=geom_from_wkt('LineString(0 0, 10 0, 10 10)'),distance:=1,join:=3))" << false << QVariant( "Polygon ((10 10, 10 0, 0 0, 0 1, 9 1, 9 10, 10 10))" );
QTest::newRow( "extend not geom" ) << "extend('g', 1, 2)" << true << QVariant();
QTest::newRow( "extend null" ) << "extend(NULL, 1, 2)" << false << QVariant();
QTest::newRow( "extend point" ) << "extend(geom_from_wkt('POINT(1 2)'),1,2)" << false << QVariant();
QTest::newRow( "extend line" ) << "geom_to_wkt(extend(geom_from_wkt('LineString(0 0, 1 0, 1 1)'),1,2))" << false << QVariant( "LineString (-1 0, 1 0, 1 3)" );
QTest::newRow( "start_point point" ) << "geom_to_wkt(start_point(geom_from_wkt('POINT(2 0)')))" << false << QVariant( "Point (2 0)" );
QTest::newRow( "start_point multipoint" ) << "geom_to_wkt(start_point(geom_from_wkt('MULTIPOINT((3 3), (1 1), (2 2))')))" << false << QVariant( "Point (3 3)" );
QTest::newRow( "start_point line" ) << "geom_to_wkt(start_point(geom_from_wkt('LINESTRING(4 1, 1 1, 2 2)')))" << false << QVariant( "Point (4 1)" );
QTest::newRow( "start_point polygon" ) << "geom_to_wkt(start_point(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))')))" << false << QVariant( "Point (-1 -1)" );
QTest::newRow( "end_point point" ) << "geom_to_wkt(end_point(geom_from_wkt('POINT(2 0)')))" << false << QVariant( "Point (2 0)" );
QTest::newRow( "end_point multipoint" ) << "geom_to_wkt(end_point(geom_from_wkt('MULTIPOINT((3 3), (1 1), (2 2))')))" << false << QVariant( "Point (2 2)" );
QTest::newRow( "end_point line" ) << "geom_to_wkt(end_point(geom_from_wkt('LINESTRING(4 1, 1 1, 2 2)')))" << false << QVariant( "Point (2 2)" );
QTest::newRow( "end_point polygon" ) << "geom_to_wkt(end_point(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))')))" << false << QVariant( "Point (-1 -1)" );
QTest::newRow( "reverse not geom" ) << "reverse('g')" << true << QVariant();
QTest::newRow( "reverse null" ) << "reverse(NULL)" << false << QVariant();
QTest::newRow( "reverse point" ) << "reverse(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "reverse polygon" ) << "reverse(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant();
QTest::newRow( "reverse line" ) << "geom_to_wkt(reverse(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)')))" << false << QVariant( "LineString (2 2, 1 1, 0 0)" );
QTest::newRow( "reverse multiline" ) << "geom_to_wkt(reverse(geom_from_wkt('MULTILINESTRING((0 0, 1 1, 2 2),(10 10, 11 11, 12 12))')))" << false << QVariant( "MultiLineString ((2 2, 1 1, 0 0),(12 12, 11 11, 10 10))" );
QTest::newRow( "exterior_ring not geom" ) << "exterior_ring('g')" << true << QVariant();
QTest::newRow( "exterior_ring null" ) << "exterior_ring(NULL)" << false << QVariant();
QTest::newRow( "exterior_ring point" ) << "exterior_ring(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "exterior_ring polygon" ) << "geom_to_wkt(exterior_ring(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1),( 0.1 0.1, 0.1 0.2, 0.2 0.2, 0.2, 0.1, 0.1 0.1))')))" << false << QVariant( "LineString (-1 -1, 4 0, 4 2, 0 2, -1 -1)" );
QTest::newRow( "exterior_ring line" ) << "exterior_ring(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))" << false << QVariant();
QTest::newRow( "centroid polygon" ) << "geom_to_wkt(centroid( geomFromWKT('POLYGON((0 0,0 9,9 0,0 0))')))" << false << QVariant( "Point (3 3)" );
QTest::newRow( "centroid multi polygon" ) << "geom_to_wkt(centroid( geomFromWKT('MULTIPOLYGON(((0 0,0 1,1 1,1 0,0 0)),((2 0,2 1,3 1,3 0,2 0)))') ))" << false << QVariant( "Point (1.5 0.5)" );
QTest::newRow( "centroid point" ) << "geom_to_wkt(centroid( geomFromWKT('POINT (1.5 0.5)') ))" << false << QVariant( "Point (1.5 0.5)" );
QTest::newRow( "centroid line" ) << "geom_to_wkt(centroid( geomFromWKT('LINESTRING (-1 2, 9 12)') ))" << false << QVariant( "Point (4 7)" );
QTest::newRow( "centroid not geom" ) << "centroid('g')" << true << QVariant();
QTest::newRow( "centroid null" ) << "centroid(NULL)" << false << QVariant();
QTest::newRow( "point on surface polygon" ) << "geom_to_wkt(point_on_surface( geomFromWKT('POLYGON((0 0,0 9,9 0,0 0))')))" << false << QVariant( "Point (2.25 4.5)" );
QTest::newRow( "point on surface multi polygon" ) << "geom_to_wkt(point_on_surface( geomFromWKT('MULTIPOLYGON(((0 0,0 1,1 1,1 0,0 0)),((2 0,2 1,3 1,3 0,2 0)))') ))" << false << QVariant( "Point (0.5 0.5)" );
QTest::newRow( "point on surface point" ) << "geom_to_wkt(point_on_surface( geomFromWKT('POINT (1.5 0.5)') ))" << false << QVariant( "Point (1.5 0.5)" );
QTest::newRow( "point on surface line" ) << "geom_to_wkt(point_on_surface( geomFromWKT('LINESTRING (-1 2, 9 12)') ))" << false << QVariant( "Point (-1 2)" );
QTest::newRow( "point on surface not geom" ) << "point_on_surface('g')" << true << QVariant();
QTest::newRow( "point on surface null" ) << "point_on_surface(NULL)" << false << QVariant();
QTest::newRow( "pole_of_inaccessibility polygon" ) << "round(x(pole_of_inaccessibility( geomFromWKT('POLYGON((0 1,0 9,3 10,3 3, 10 3, 10 1, 0 1))'), 0.1))*100)" << false << QVariant( 155 );
QTest::newRow( "pole_of_inaccessibility polygon" ) << "round(y(pole_of_inaccessibility( geomFromWKT('POLYGON((0 1,0 9,3 10,3 3, 10 3, 10 1, 0 1))'), 0.1))*100)" << false << QVariant( 255 );
QTest::newRow( "pole_of_inaccessibility not poly" ) << "geom_to_wkt(pole_of_inaccessibility( geomFromWKT('POINT (1.5 0.5)'), 0.1 ))" << false << QVariant();
QTest::newRow( "pole_of_inaccessibility not geom" ) << "pole_of_inaccessibility('g',0.1)" << true << QVariant();
QTest::newRow( "pole_of_inaccessibility null" ) << "pole_of_inaccessibility(NULL,0.1)" << false << QVariant();
QTest::newRow( "is_closed not geom" ) << "is_closed('g')" << true << QVariant();
QTest::newRow( "is_closed null" ) << "is_closed(NULL)" << false << QVariant();
QTest::newRow( "is_closed point" ) << "is_closed(geom_from_wkt('POINT(1 2)'))" << false << QVariant();
QTest::newRow( "is_closed polygon" ) << "is_closed(geom_from_wkt('POLYGON((-1 -1, 4 0, 4 2, 0 2, -1 -1))'))" << false << QVariant();
QTest::newRow( "is_closed not closed" ) << "is_closed(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2)'))" << false << QVariant( false );
QTest::newRow( "is_closed closed" ) << "is_closed(geom_from_wkt('LINESTRING(0 0, 1 1, 2 2, 0 0)'))" << false << QVariant( true );
QTest::newRow( "is_closed multiline" ) << "is_closed(geom_from_wkt('MultiLineString ((6501338.13976828 4850981.51459331, 6501343.09036573 4850984.01453377, 6501338.13976828 4850988.96491092, 6501335.63971657 4850984.01453377, 6501338.13976828 4850981.51459331))'))" << false << QVariant( true );
QTest::newRow( "is_closed multiline" ) << "is_closed(geom_from_wkt('MultiLineString ((6501338.13976828 4850981.51459331, 6501343.09036573 4850984.01453377, 6501338.13976828 4850988.96491092, 6501335.63971657 4850984.01453377, 6501438.13976828 4850981.51459331))'))" << false << QVariant( false );
QTest::newRow( "is_closed multiline" ) << "is_closed(geom_from_wkt('MultiLineString EMPTY'))" << false << QVariant();
QTest::newRow( "collect_geometries none" ) << "geom_to_wkt(collect_geometries())" << false << QVariant( "" );
QTest::newRow( "collect_geometries not" ) << "geom_to_wkt(collect_geometries(45))" << true << QVariant();
QTest::newRow( "collect_geometries one" ) << "geom_to_wkt(collect_geometries(make_point(4,5)))" << false << QVariant( "MultiPoint ((4 5))" );
QTest::newRow( "collect_geometries two" ) << "geom_to_wkt(collect_geometries(make_point(4,5), make_point(6,7)))" << false << QVariant( "MultiPoint ((4 5),(6 7))" );
QTest::newRow( "collect_geometries mixed" ) << "geom_to_wkt(collect_geometries(make_point(4,5), 'x'))" << true << QVariant();
QTest::newRow( "collect_geometries array empty" ) << "geom_to_wkt(collect_geometries(array()))" << false << QVariant( "" );