1 /*

     2  * @test

     3  * @bug 6918065

     4  * @summary Test for passing NaN as alpha

     5  *          should throw IllegalArgumentException

     6  */

     7 

     8 import java.awt.*;

     9 

    10 public class TestAlphaCompositeForNaN {

    11   public static void main(String[] args) {

    12     try {

    13       AlphaComposite a = AlphaComposite.getInstance(AlphaComposite.DST, Float.NaN);

    14       System.out.println("Failed");

    15       throw new RuntimeException(a + " failed to throw IllegalArgumentException for alpha = " + Float.NaN);

    16     }

    17     catch (IllegalArgumentException ie) {

    18       System.out.println("Passed");

    19       System.out.println("Caught " + ie);

    20     }

    21   }

    22 }