1 /*
   2  * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /* @test
  25  * @bug 4853350
  26  * @summary Ensure that averages do not exceed maxima
  27  *
  28  * @build AverageMax
  29  * @run main AverageMax
  30  * @run main/othervm -Dsun.nio.cs.bugLevel=1.4 AverageMax
  31  */
  32 
  33 import java.nio.*;
  34 import java.nio.charset.*;
  35 
  36 
  37 public class AverageMax {
  38 
  39     static boolean compat;
  40 
  41     static abstract class Test {
  42 
  43         public abstract void go() throws Exception;
  44 
  45         Test() throws Exception {
  46             try {
  47                 go();
  48             } catch (Exception x) {
  49                 if (compat) {
  50                     throw new Exception("Exception thrown", x);
  51                 }
  52                 if (x instanceof IllegalArgumentException) {
  53                     System.err.println("Thrown as expected: " + x);
  54                     return;
  55                 }
  56                 throw new Exception("Incorrect exception: "
  57                                     + x.getClass().getName(),
  58                                     x);
  59             }
  60             if (!compat)
  61                 throw new Exception("No exception thrown");
  62         }
  63 
  64     }
  65 
  66     public static void main(String[] args) throws Exception {
  67 
  68         // If sun.nio.cs.bugLevel == 1.4 then we want the 1.4 behavior
  69         String bl = System.getProperty("sun.nio.cs.bugLevel");
  70         compat = (bl != null && bl.equals("1.4"));
  71         final Charset ascii = Charset.forName("US-ASCII");
  72 
  73         new Test() {
  74                 public void go() throws Exception {
  75                     new CharsetDecoder(ascii, 3.9f, 1.2f) {
  76                             protected CoderResult decodeLoop(ByteBuffer in,
  77                                                              CharBuffer out)
  78                             {
  79                                 return null;
  80                             }
  81                         };
  82                 }};
  83 
  84         new Test() {
  85                 public void go() throws Exception {
  86                     new CharsetEncoder(ascii, 3.9f, 1.2f) {
  87                             protected CoderResult encodeLoop(CharBuffer in,
  88                                                              ByteBuffer out)
  89                             {
  90                                 return null;
  91                             }
  92                         };
  93                 }};
  94     }
  95 
  96 }