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Fix #4441

  • Loading branch information
wonder-sk committed Nov 2, 2011
1 parent d165e30 commit 6996946a85ff0b3888084fc472b603dee8ac6350
Showing with 14 additions and 7 deletions.
  1. +1 −1 src/core/qgsexpression.h
  2. +13 −6 tests/src/core/testqgsexpression.cpp
@@ -301,7 +301,7 @@ class CORE_EXPORT QgsExpression
virtual QVariant eval( QgsExpression* parent, QgsFeature* f );
virtual QString dump() const;
virtual QStringList referencedColumns() const { QStringList lst; if ( !mArgs ) return lst; foreach( Node* n, mArgs->list() ) lst.append( n->referencedColumns() ); return lst; }
virtual bool needsGeometry() const { return BuiltinFunctions[mFnIndex].mUsesGeometry; }
virtual bool needsGeometry() const { bool needs = BuiltinFunctions[mFnIndex].mUsesGeometry; if ( mArgs ) { foreach( Node* n, mArgs->list() ) needs |= n->needsGeometry(); } return needs; }
protected:
//QString mName;
int mFnIndex;
@@ -23,7 +23,7 @@

#if QT_VERSION < 0x40701
// See http://hub.qgis.org/issues/4284
Q_DECLARE_METATYPE(QVariant)
Q_DECLARE_METATYPE( QVariant )
#endif

class TestQgsExpression: public QObject
@@ -198,10 +198,10 @@ class TestQgsExpression: public QObject
QTest::newRow( "atan2(0,1)" ) << "atan2(0,1)" << false << QVariant( 0. );
QTest::newRow( "atan2(1,0)" ) << "atan2(1,0)" << false << QVariant( M_PI / 2 );
QTest::newRow( "exp(0)" ) << "exp(0)" << false << QVariant( 1. );
QTest::newRow( "exp(1)" ) << "exp(1)" << false << QVariant( exp(1) );
QTest::newRow( "exp(1)" ) << "exp(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(1)" << false << QVariant( log(1) );
QTest::newRow( "ln(1)" ) << "ln(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(10,1000)" << false << QVariant( 3. );
@@ -341,9 +341,16 @@ class TestQgsExpression: public QObject
QTest::addColumn<bool>( "needsGeom" );

// literal evaluation
QTest::newRow( "geom 1" ) << "x > 0" << false;
QTest::newRow( "geom 2" ) << "$x > 0" << true;
QTest::newRow( "geom 2" ) << "xat(0) > 0" << true;
QTest::newRow( "x > 0" ) << "x > 0" << false;
QTest::newRow( "1 = 1" ) << "1 = 1" << false;
QTest::newRow( "$x > 0" ) << "$x > 0" << true;
QTest::newRow( "xat(0) > 0" ) << "xat(0) > 0" << true;
QTest::newRow( "$x" ) << "$x" << true;
QTest::newRow( "$area" ) << "$area" << true;
QTest::newRow( "$length" ) << "$length" << true;
QTest::newRow( "$perimeter" ) << "$perimeter" << true;
QTest::newRow( "toint($perimeter)" ) << "toint($perimeter)" << true;
QTest::newRow( "toint(123)" ) << "toint(123)" << false;
}

void needs_geometry()

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