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 /*
25 * @test
26 * @bug 4884238
27 * @summary Test standard charset name constants.
28 * @author Mike Duigou
29 * @run main Standard
30 */
31
32 import java.nio.charset.*;
33
34 public class Standard {
35
36 public static void realMain(String[] args) {
37 check(StandardCharset.US_ASCII instanceof Charset);
38 check(StandardCharset.ISO_8859_1 instanceof Charset);
39 check(StandardCharset.UTF_8 instanceof Charset);
40 check(StandardCharset.UTF_16BE instanceof Charset);
41 check(StandardCharset.UTF_16LE instanceof Charset);
42 check(StandardCharset.UTF_16 instanceof Charset);
43
44 check("US-ASCII".equals(StandardCharset.US_ASCII.name());
45 check("ISO-8859-1".equals(StandardCharset.ISO_8859_1.name());
46 check("UTF-8".equals(StandardCharset.UTF_8.name());
47 check("UTF-16BE".equals(StandardCharset.UTF_16BE.name());
48 check("UTF-16LE".equals(StandardCharset.UTF_16LE.name());
49 check("UTF-16".equals(StandardCharset.UTF_16.name());
50 }
51
52 //--------------------- Infrastructure ---------------------------
53 static volatile int passed = 0, failed = 0;
54 static void pass() { passed++; }
55 static void fail() { failed++; Thread.dumpStack(); }
56 static void fail(String msg) { System.out.println(msg); fail(); }
57 static void unexpected(Throwable t) { failed++; t.printStackTrace(); }
58 static void check(boolean cond) { if (cond) pass(); else fail(); }
59 static void equal(Object x, Object y) {
60 if (x == null ? y == null : x.equals(y)) pass();
61 else {System.out.println(x + " not equal to " + y); fail();}}
62 static void equal2(Object x, Object y) {equal(x, y); equal(y, x);}
63 public static void main(String[] args) throws Throwable {
64 try { realMain(args); } catch (Throwable t) { unexpected(t); }
65
66 System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
67 if (failed > 0) throw new Exception("Some tests failed");
68 }
69 private static abstract class Fun {abstract void f() throws Throwable;}
70 private static void THROWS(Class<? extends Throwable> k, Fun... fs) {
71 for (Fun f : fs)
72 try { f.f(); fail("Expected " + k.getName() + " not thrown"); }
73 catch (Throwable t) {
74 if (k.isAssignableFrom(t.getClass())) pass();
75 else unexpected(t);}}
76 static byte[] serializedForm(Object obj) {
77 try {
78 ByteArrayOutputStream baos = new ByteArrayOutputStream();
79 new ObjectOutputStream(baos).writeObject(obj);
80 return baos.toByteArray();
81 } catch (IOException e) { throw new Error(e); }}
82 static Object readObject(byte[] bytes)
83 throws IOException, ClassNotFoundException {
84 InputStream is = new ByteArrayInputStream(bytes);
85 return new ObjectInputStream(is).readObject();}
86 @SuppressWarnings("unchecked")
87 static <T> T serialClone(T obj) {
88 try { return (T) readObject(serializedForm(obj)); }
89 catch (Exception e) { throw new Error(e); }}
90
91 }