| /* |
| * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.io.InputStreamReader; |
| import java.io.PrintStream; |
| import java.nio.charset.Charset; |
| import java.nio.charset.UnsupportedCharsetException; |
| import java.util.Iterator; |
| import java.util.SortedMap; |
| |
| public class CharsetTest { |
| |
| private static PrintStream out = System.err; |
| private static final SortedMap available = Charset.availableCharsets(); |
| |
| private static void fail(String csn, String msg) { |
| throw new RuntimeException(csn + ": " + msg); |
| } |
| |
| private static void testPositive(String csn) { |
| if (!Charset.isSupported(csn)) |
| fail(csn, "Not supported"); |
| |
| Charset cs = Charset.forName(csn); |
| out.println(csn + " --> " + cs.getClass().getName()); |
| out.println(" " + cs.name() + " " + cs.aliases()); |
| |
| if (!available.containsKey(cs.name())) |
| fail(csn, "Not in available charsets: " + available.keySet()); |
| if (!((Charset)available.get(cs.name())).equals(cs)) |
| fail(csn, "Available charset != looked-up charset"); |
| |
| if (csn.equalsIgnoreCase("FOO")) { |
| if (!(cs instanceof FooCharset)) |
| fail(csn, "instanceof failed"); |
| } |
| } |
| |
| private static void testNegative(String csn) { |
| if (Charset.isSupported(csn)) |
| fail(csn, "Supported"); |
| if (available.containsKey(csn)) |
| fail(csn, "Available"); |
| try { |
| Charset.forName(csn); |
| } catch (UnsupportedCharsetException x) { |
| out.println(csn + " not supported, as expected"); |
| return; |
| } |
| fail(csn, "Lookup succeeded"); |
| } |
| |
| public static void main(String [] args) { |
| |
| out.println("Default: " |
| + new InputStreamReader(System.in).getEncoding()); |
| |
| out.print("Available:"); |
| for (Iterator i = available.keySet().iterator(); i.hasNext();) |
| out.print(" " + (String)i.next()); |
| out.println(); |
| |
| for (int i = 0; i < args.length; i++) { |
| String a = args[i]; |
| boolean not = a.startsWith("!"); |
| String csn = (not ? a.substring(1) : a); |
| if (not) |
| testNegative(csn); |
| else |
| testPositive(csn); |
| } |
| } |
| |
| } |