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 import java.io.*; 25 import java.nio.charset.*; 26 import java.util.*; 27 28 29 public class Test { 30 31 private static PrintStream out = System.err; 32 private static final SortedMap available = Charset.availableCharsets(); 33 34 private static void fail(String csn, String msg) { 35 throw new RuntimeException(csn + ": " + msg); 36 } 37 38 private static void testPositive(String csn) { 39 if (!Charset.isSupported(csn)) 40 fail(csn, "Not supported"); 41 42 Charset cs = Charset.forName(csn); 43 out.println(csn + " --> " + cs.getClass().getName()); 44 out.println(" " + cs.name() + " " + cs.aliases()); 45 46 if (!available.containsKey(cs.name())) 47 fail(csn, "Not in available charsets: " + available.keySet()); 48 if (!((Charset)available.get(cs.name())).equals(cs)) 49 fail(csn, "Available charset != looked-up charset"); 50 51 if (csn.equalsIgnoreCase("FOO")) { 52 if (!(cs instanceof FooCharset)) 53 fail(csn, "instanceof failed"); 54 } 55 } 56 57 private static void testNegative(String csn) { 58 if (Charset.isSupported(csn)) 59 fail(csn, "Supported"); 60 if (available.containsKey(csn)) 61 fail(csn, "Available"); 62 try { 63 Charset.forName(csn); 64 } catch (UnsupportedCharsetException x) { 65 out.println(csn + " not supported, as expected"); 66 return; 67 } 68 fail(csn, "Lookup succeeded"); 69 } 70 71 public static void main(String [] args) { 72 73 out.println("Default: " 74 + new InputStreamReader(System.in).getEncoding()); 75 76 out.print("Available:"); 77 for (Iterator i = available.keySet().iterator(); i.hasNext();) 78 out.print(" " + (String)i.next()); 79 out.println(); 80 81 for (int i = 0; i < args.length; i++) { 82 String a = args[i]; 83 boolean not = a.startsWith("!"); 84 String csn = (not ? a.substring(1) : a); 85 if (not) 86 testNegative(csn); 87 else 88 testPositive(csn); 89 } 90 } 91 92 }