91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
/*
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* Copyright (c) 2008, 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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/* @test
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* @bug 6196991
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* @summary Roundtrip Encoding/Decoding of just one ASCII char
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* @author Martin Buchholz
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*/
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import java.util.*;
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import java.nio.*;
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import java.nio.charset.*;
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public class FindASCIICodingBugs {
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private static int failures = 0;
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private static void check(boolean condition) {
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if (! condition) {
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new Error("test failed").printStackTrace();
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failures++;
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}
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}
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private static boolean equals(byte[] ba, ByteBuffer bb) {
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if (ba.length != bb.limit())
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return false;
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for (int i = 0; i < ba.length; i++)
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if (ba[i] != bb.get(i))
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return false;
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return true;
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}
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public static void main(String[] args) throws Exception {
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for (Map.Entry<String,Charset> e
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: Charset.availableCharsets().entrySet()) {
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String csn = e.getKey();
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Charset cs = e.getValue();
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// Delete the following lines when these charsets are fixed!
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if (csn.equals("x-JIS0208")) continue; // MalformedInput
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if (csn.equals("JIS_X0212-1990")) continue; // MalformedInput
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if (! cs.canEncode()) continue;
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CharsetEncoder enc = cs.newEncoder();
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CharsetDecoder dec = cs.newDecoder();
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if (! enc.canEncode('A')) continue;
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System.out.println(csn);
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try {
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byte[] bytes1 = "A".getBytes(csn);
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ByteBuffer bb = enc.encode(CharBuffer.wrap(new char[]{'A'}));
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check(equals(bytes1, bb));
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check(new String(bytes1, csn).equals("A"));
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CharBuffer cb = dec.decode(bb);
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check(cb.toString().equals("A"));
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} catch (Throwable t) {
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t.printStackTrace();
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failures++;
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}
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}
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if (failures > 0)
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throw new Exception(failures + "tests failed");
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}
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}
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