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