108         final String errorDirName = "error_" + currError++;
 109         final File errorDir = new File(errorDirName);
 110         errorDir.mkdirs();
 111         for (int i = 0; i < classes.length; i++) {
 112             classes[i].writeClass(errorDir);
 113         }
 114         try (final FileWriter fos =
 115              new FileWriter(new File(errorDir, "description.txt"))) {
 116             fos.write(this.toString());
 117         }
 118         return errorDirName;
 119     }
 120 
 121     /**
 122      * Run this case, return an error message, or null.
 123      *
 124      * @return An error message, or null if the case succeeded.
 125      */
 126     public String run() {
 127         /* Uncomment this line to print EVERY case */
 128         //System.err.println("Running\n" + this);
 129         final ClassBuilder builder =
 130             new ClassBuilder(this, ClassBuilder.ExecutionMode.DIRECT);
 131         try {
 132             final ByteCodeClassLoader bcl = new ByteCodeClassLoader();
 133             final ClassConstruct[] classes = builder.build();
 134 
 135             try {
 136                 bcl.addClasses(classes);
 137                 bcl.loadAll();
 138 
 139                 // Grab the callsite class.
 140                 final Class testclass =
 141                     bcl.findClass(builder.getCallsiteClass().getDottedName());
 142 
 143                 // Get the 'test' method out of it and call it.  The
 144                 // return value tess which class that got selected.
 145                 final java.lang.reflect.Method method =
 146                     testclass.getDeclaredMethod("test");
 147                 final int actual = (Integer) method.invoke(null);
 148                 // Check the result.

 108         final String errorDirName = "error_" + currError++;
 109         final File errorDir = new File(errorDirName);
 110         errorDir.mkdirs();
 111         for (int i = 0; i < classes.length; i++) {
 112             classes[i].writeClass(errorDir);
 113         }
 114         try (final FileWriter fos =
 115              new FileWriter(new File(errorDir, "description.txt"))) {
 116             fos.write(this.toString());
 117         }
 118         return errorDirName;
 119     }
 120 
 121     /**
 122      * Run this case, return an error message, or null.
 123      *
 124      * @return An error message, or null if the case succeeded.
 125      */
 126     public String run() {
 127         /* Uncomment this line to print EVERY case */
 128         System.err.println("Running\n" + this);
 129         final ClassBuilder builder =
 130             new ClassBuilder(this, ClassBuilder.ExecutionMode.DIRECT);
 131         try {
 132             final ByteCodeClassLoader bcl = new ByteCodeClassLoader();
 133             final ClassConstruct[] classes = builder.build();
 134 
 135             try {
 136                 bcl.addClasses(classes);
 137                 bcl.loadAll();
 138 
 139                 // Grab the callsite class.
 140                 final Class testclass =
 141                     bcl.findClass(builder.getCallsiteClass().getDottedName());
 142 
 143                 // Get the 'test' method out of it and call it.  The
 144                 // return value tess which class that got selected.
 145                 final java.lang.reflect.Method method =
 146                     testclass.getDeclaredMethod("test");
 147                 final int actual = (Integer) method.invoke(null);
 148                 // Check the result.