Bug 212371 [Regression] Auto-scale does not work correctly and gridline is not shown anymore when run the attached java file [13]
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/computation/withaxes/AutoScale.java
scCloned = (AutoScale) sc.clone( );
				if ( sc.bStepFixed ) 
				{
					break;
				}
				if ( bFirstFit )
				{
					if ( !bFits )
					{
						break;
					}
					bZoomSuccess = sc.zoomIn( );
				}
				else
				{
					if ( !bFits && sc.getTickCordinates( ).size( ) == 2 )
					{
						break;
					}
					bZoomSuccess = sc.zoomOut( );
				}
				if ( !bZoomSuccess )
					break;
				sc.updateAxisMinMax( oMinValue, oMaxValue );
				sc.computeTicks( xs,
						la,
						iLabelLocation,
						iOrientation,
						dStart,
						dEnd,