Raster.createPackedRaster(int dataType, int width, int height, int numBands,
int bitsPerBand, Point location) does not throw exception when numBands is
less than 1.

import java.awt.Point;
import java.awt.image.DataBuffer;
import java.awt.image.Raster;
class Bug_CreatePackedRaster_i5__11_13 {
  public static void main(String args[]) {
    try {
      Raster.createPackedRaster(DataBuffer.TYPE_BYTE, 1, 2, 0, 3, new Point(1, 1));
      System.out.println("FAILED: no exception when numBands is less than 1");
    } catch (Exception e) {
      System.out.println("PASSED: got exception when bitsPerBand < 1 - " + e);
    }
  }
}