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
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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  *
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22  */
23 
24 /*
25  * @test
26  * @bug 6415373
27  * @summary Encoding nothing should output nothing
28  */
29 
30 import java.io.*;
31 import java.nio.charset.*;
32 
33 public class EncodingNothing {
34 
main(String[] args)35     public static void main(String[] args) throws Throwable {
36         int failed = 0;
37         for (Charset cs : Charset.availableCharsets().values()) {
38             if (! cs.canEncode())
39                 continue;
40             System.out.printf("%s: ", cs.name());
41             ByteArrayOutputStream baos = new ByteArrayOutputStream();
42             OutputStreamWriter osw = new OutputStreamWriter(baos, cs);
43             osw.close();
44             if (baos.size() != 0) {
45                 System.out.printf(" Failed:  output bytes=%d", baos.size());
46                 failed++;
47             }
48             System.out.println();
49         }
50         if (failed != 0)
51             throw new AssertionError("Some tests failed");
52     }
53 }
54