1 /*
   2  * Copyright (c) 2018, 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 8210285
  26  * @summary NaN arguments to the constructor should be rejected
  27  */
  28 
  29 import java.nio.ByteBuffer;
  30 import java.nio.CharBuffer;
  31 import java.nio.charset.Charset;
  32 import java.nio.charset.CharsetDecoder;
  33 import java.nio.charset.CoderResult;
  34 
  35 public class NaNinCtor {
  36 
  37     public static void main(String[] args) throws Throwable {
  38         Charset ascii = Charset.forName("US-ASCII");
  39         test(() -> new MyDecoder(ascii, 0.0f, 1.0f));
  40         test(() -> new MyDecoder(ascii, 1.0f, 0.0f));
  41         test(() -> new MyDecoder(ascii, -1.0f, 1.0f));
  42         test(() -> new MyDecoder(ascii, 1.0f, -1.0f));
  43         test(() -> new MyDecoder(ascii, Float.NaN, 1.0f));
  44         test(() -> new MyDecoder(ascii, 1.0f, Float.NaN));
  45     }
  46 
  47     static void test(Runnable r) {
  48         try {
  49             r.run();
  50             throw new RuntimeException("IllegalArgumentException not thrown");
  51         } catch (IllegalArgumentException expected) {
  52         }
  53     }
  54 
  55     static class MyDecoder extends CharsetDecoder {
  56         public MyDecoder(Charset cs, float avg, float max) {
  57             super(cs, avg, max);
  58         }
  59         protected CoderResult decodeLoop(ByteBuffer in, CharBuffer out) {
  60             return null;
  61         }
  62     }
  63 }