Program: 76738
Project: 76738
Buggy source:
private double[] computeHorizalByCategory(IDisplayServer xs,Chart cm,RunTimeContext rtc,ITextMetrics itm,Label la,LegendData legendData) throws ChartException {
  double dWidth=0, dHeight=0;
  double dRowHeight;
  double dRealWidth=0, dExtraHeight=0;
  ArrayList columnList=new ArrayList();
  SeriesDefinition sdBase=null;
  if (cm instanceof ChartWithAxes) {
    final Axis axPrimaryBase=((ChartWithAxes)cm).getBaseAxes()[0];
    if (axPrimaryBase.getSeriesDefinitions().isEmpty()) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.GENERATION,"String_Node_Str",Messages.getResourceBundle(xs.getULocale()));
    }
    sdBase=(SeriesDefinition)axPrimaryBase.getSeriesDefinitions().get(0);
  }
 else   if (cm instanceof ChartWithoutAxes) {
    if (((ChartWithoutAxes)cm).getSeriesDefinitions().isEmpty()) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.GENERATION,"String_Node_Str",Messages.getResourceBundle(xs.getULocale()));
    }
    sdBase=(SeriesDefinition)((ChartWithoutAxes)cm).getSeriesDefinitions().get(0);
  }
  Series seBase=(Series)sdBase.getRunTimeSeries().get(0);
  DataSetIterator dsiBase=null;
  try {
    dsiBase=new DataSetIterator(seBase.getDataSet());
  }
 catch (  Exception ex) {
    throw new ChartException(ChartEnginePlugin.ID,ChartException.GENERATION,ex);
  }
  FormatSpecifier fs=null;
  if (sdBase != null) {
    fs=sdBase.getFormatSpecifier();
  }
  int pos=-1;
  while (dsiBase.hasNext()) {
    Object obj=dsiBase.next();
    while (obj == null && dsiBase.hasNext()) {
      obj=dsiBase.next();
    }
    pos++;
    if (legendData.bMinSliceApplied && Arrays.binarySearch(legendData.filteredMinSliceEntry,pos) >= 0) {
      continue;
    }
    String lgtext=String.valueOf(obj);
    if (fs != null) {
      try {
        lgtext=ValueFormatter.format(obj,fs,rtc.getULocale(),null);
      }
 catch (      ChartException e) {
      }
    }
    la.getCaption().setValue(lgtext);
    itm.reuse(la,legendData.maxWrappingSize);
    BoundingBox bb=null;
    try {
      bb=Methods.computeBox(xs,IConstants.ABOVE,la,0,0);
    }
 catch (    IllegalArgumentException uiex) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.RENDERING,uiex);
    }
    double dFWidth=bb.getWidth();
    double dFHeight=bb.getHeight();
    double dDeltaWidth=legendData.insCa.getLeft() + dFWidth + (3 * legendData.dItemHeight) / 2 + legendData.insCa.getRight();
    if (dWidth + dDeltaWidth > legendData.dAvailableWidth) {
      dRowHeight=dHeight + legendData.dVerticalReservedSpace;
      if (dExtraHeight + dRowHeight > legendData.dAvailableHeight + legendData.dSafeSpacing) {
        dHeight=-legendData.dVerticalReservedSpace;
        columnList.clear();
        break;
      }
 else {
        legendData.legendItems.addAll(columnList);
        columnList.clear();
        dExtraHeight+=dRowHeight;
        dHeight=dFHeight;
        dRealWidth=Math.max(dRealWidth,dWidth);
        dWidth=dDeltaWidth;
      }
    }
 else {
      dHeight=Math.max(dFHeight,dHeight);
      dWidth+=dDeltaWidth;
    }
    columnList.add(new LegendItemHints(LEGEND_ENTRY,new Point(dWidth - dDeltaWidth,dExtraHeight),dFWidth,dFHeight,la.getCaption().getValue(),pos));
  }
  if (legendData.bMinSliceApplied) {
    la.getCaption().setValue(legendData.sMinSliceLabel);
    itm.reuse(la,legendData.maxWrappingSize);
    BoundingBox bb=null;
    try {
      bb=Methods.computeBox(xs,IConstants.ABOVE,la,0,0);
    }
 catch (    IllegalArgumentException uiex) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.RENDERING,uiex);
    }
    double dFWidth=bb.getWidth();
    double dFHeight=bb.getHeight();
    double dDeltaWidth=legendData.insCa.getLeft() + dFWidth + (3 * legendData.dItemHeight) / 2 + legendData.insCa.getRight();
    if (dWidth + dDeltaWidth > legendData.dAvailableWidth) {
      dRowHeight=dHeight + legendData.dVerticalReservedSpace;
      if (dExtraHeight + dRowHeight > legendData.dAvailableHeight + legendData.dSafeSpacing) {
        dHeight=-legendData.dVerticalReservedSpace;
        columnList.clear();
      }
 else {
        legendData.legendItems.addAll(columnList);
        columnList.clear();
        dExtraHeight+=dRowHeight;
        dHeight=dFHeight;
        dRealWidth=Math.max(dRealWidth,dWidth);
        dWidth=dDeltaWidth;
        columnList.add(new LegendItemHints(LEGEND_MINSLICE_ENTRY,new Point(dWidth - dDeltaWidth,dExtraHeight),dFWidth,dFHeight,la.getCaption().getValue(),dsiBase.size()));
      }
    }
 else {
      dHeight=Math.max(dFHeight,dHeight);
      dWidth+=dDeltaWidth;
      columnList.add(new LegendItemHints(LEGEND_MINSLICE_ENTRY,new Point(dWidth - dDeltaWidth,dExtraHeight),dFWidth,dFHeight,la.getCaption().getValue(),dsiBase.size()));
    }
  }
  dRowHeight=dHeight + legendData.dVerticalReservedSpace;
  if (dExtraHeight + dRowHeight > legendData.dAvailableHeight + legendData.dSafeSpacing) {
    dHeight=-legendData.dVerticalReservedSpace;
  }
 else {
    legendData.legendItems.addAll(columnList);
  }
  columnList.clear();
  dHeight+=dExtraHeight + legendData.dVerticalReservedSpace;
  dWidth=Math.max(dWidth,dRealWidth);
  return new double[]{dHeight,dWidth};
}

Fixed version (ground truth):
private double[] computeHorizalByCategory(IDisplayServer xs,Chart cm,RunTimeContext rtc,ITextMetrics itm,Label la,LegendData legendData) throws ChartException {
  double dWidth=0, dHeight=0;
  double dRowHeight;
  double dRealWidth=0, dExtraHeight=0;
  ArrayList columnList=new ArrayList();
  SeriesDefinition sdBase=null;
  if (cm instanceof ChartWithAxes) {
    final Axis axPrimaryBase=((ChartWithAxes)cm).getBaseAxes()[0];
    if (axPrimaryBase.getSeriesDefinitions().isEmpty()) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.GENERATION,"String_Node_Str",Messages.getResourceBundle(xs.getULocale()));
    }
    sdBase=(SeriesDefinition)axPrimaryBase.getSeriesDefinitions().get(0);
  }
 else   if (cm instanceof ChartWithoutAxes) {
    if (((ChartWithoutAxes)cm).getSeriesDefinitions().isEmpty()) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.GENERATION,"String_Node_Str",Messages.getResourceBundle(xs.getULocale()));
    }
    sdBase=(SeriesDefinition)((ChartWithoutAxes)cm).getSeriesDefinitions().get(0);
  }
  Series seBase=(Series)sdBase.getRunTimeSeries().get(0);
  DataSetIterator dsiBase=null;
  try {
    dsiBase=new DataSetIterator(seBase.getDataSet());
  }
 catch (  Exception ex) {
    throw new ChartException(ChartEnginePlugin.ID,ChartException.GENERATION,ex);
  }
  FormatSpecifier fs=null;
  if (sdBase != null) {
    fs=sdBase.getFormatSpecifier();
  }
  int pos=-1;
  while (dsiBase.hasNext()) {
    Object obj=dsiBase.next();
    while (obj == null && dsiBase.hasNext()) {
      obj=dsiBase.next();
    }
    pos++;
    if (legendData.bMinSliceApplied && Arrays.binarySearch(legendData.filteredMinSliceEntry,pos) >= 0) {
      continue;
    }
    String lgtext=String.valueOf(obj);
    if (fs != null) {
      try {
        lgtext=ValueFormatter.format(obj,fs,rtc.getULocale(),null);
      }
 catch (      ChartException e) {
      }
    }
    la.getCaption().setValue(lgtext);
    itm.reuse(la,legendData.maxWrappingSize);
    BoundingBox bb=null;
    try {
      bb=Methods.computeBox(xs,IConstants.ABOVE,la,0,0);
    }
 catch (    IllegalArgumentException uiex) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.RENDERING,uiex);
    }
    double dFWidth=bb.getWidth();
    double dFHeight=bb.getHeight();
    double dDeltaWidth=legendData.insCa.getLeft() + dFWidth + (3 * legendData.dItemHeight) / 2 + legendData.insCa.getRight();
    if (dWidth + dDeltaWidth > legendData.dAvailableWidth) {
      dRowHeight=dHeight + legendData.dVerticalReservedSpace;
      if (dExtraHeight + dRowHeight > legendData.dAvailableHeight + legendData.dSafeSpacing) {
        dHeight=-legendData.dVerticalReservedSpace;
        columnList.clear();
        break;
      }
 else {
        legendData.legendItems.addAll(columnList);
        columnList.clear();
        dExtraHeight+=dRowHeight;
        dHeight=dFHeight;
        dRealWidth=Math.max(dRealWidth,dWidth);
        dWidth=dDeltaWidth;
      }
    }
 else {
      dHeight=Math.max(dFHeight,dHeight);
      dWidth+=dDeltaWidth;
    }
    columnList.add(new LegendItemHints(LEGEND_ENTRY,new Point(dWidth - dDeltaWidth,dExtraHeight),dFWidth,dFHeight,la.getCaption().getValue(),pos));
  }
  if (legendData.bMinSliceApplied) {
    la.getCaption().setValue(legendData.sMinSliceLabel);
    itm.reuse(la,legendData.maxWrappingSize);
    BoundingBox bb=null;
    try {
      bb=Methods.computeBox(xs,IConstants.ABOVE,la,0,0);
    }
 catch (    IllegalArgumentException uiex) {
      throw new ChartException(ChartEnginePlugin.ID,ChartException.RENDERING,uiex);
    }
    double dFWidth=bb.getWidth();
    double dFHeight=bb.getHeight();
    double dDeltaWidth=legendData.insCa.getLeft() + dFWidth + (3 * legendData.dItemHeight) / 2 + legendData.insCa.getRight();
    if (dWidth + dDeltaWidth > legendData.dAvailableWidth) {
      dRowHeight=dHeight + legendData.dVerticalReservedSpace;
      if (dExtraHeight + dRowHeight > legendData.dAvailableHeight + legendData.dSafeSpacing) {
        dHeight=-legendData.dVerticalReservedSpace;
        columnList.clear();
      }
 else {
        legendData.legendItems.addAll(columnList);
        columnList.clear();
        dExtraHeight+=dRowHeight;
        dHeight=dFHeight;
        dRealWidth=Math.max(dRealWidth,dWidth);
        dWidth=dDeltaWidth;
        columnList.add(new LegendItemHints(LEGEND_MINSLICE_ENTRY,new Point(dWidth - dDeltaWidth,dExtraHeight),dFWidth,dFHeight,la.getCaption().getValue(),dsiBase.size()));
      }
    }
 else {
      dHeight=Math.max(dFHeight,dHeight);
      dWidth+=dDeltaWidth;
      columnList.add(new LegendItemHints(LEGEND_MINSLICE_ENTRY,new Point(dWidth - dDeltaWidth,dExtraHeight),dFWidth,dFHeight,la.getCaption().getValue(),dsiBase.size()));
    }
  }
  dRowHeight=dHeight + legendData.dVerticalReservedSpace;
  if (dExtraHeight + dRowHeight > legendData.dAvailableHeight + legendData.dSafeSpacing) {
    dHeight=-legendData.dVerticalReservedSpace;
  }
 else {
    legendData.legendItems.addAll(columnList);
  }
  columnList.clear();
  dHeight+=dExtraHeight + legendData.dVerticalReservedSpace;
  dWidth=Math.max(dWidth,dRealWidth);
  return new double[]{dWidth,dHeight};
}