Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: truststore Sprache: JAVA

/*
* Copyright (c) 2008, 2011, 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.
*/

/* @test
* @bug 6379808 8166339
* @summary Check all Cp933 SBCS characters are not supported in Cp834
* @modules jdk.charsets
*/

import java.io.*;
import java.nio.*;
import java.nio.charset.*;

public class TestCp834_SBCS {
    public static void main(String args[]) throws Exception {
        // The correctness of 1:1 mapping is Coverted by CoderTest.java
        // and TestConv.java, we only need to verify that SBCS characters
        // are not supported by this charset.
        CharsetEncoder enc834 = Charset.forName("Cp834")
                                       .newEncoder()
                                       .onUnmappableCharacter(CodingErrorAction.REPLACE)
                                       .onMalformedInput(CodingErrorAction.REPLACE);

        CharsetDecoder dec834 = Charset.forName("Cp834")
                                       .newDecoder()
                                       .onUnmappableCharacter(CodingErrorAction.REPLACE)
                                       .onMalformedInput(CodingErrorAction.REPLACE);

        CharsetDecoder dec933 = Charset.forName("Cp933")
                                       .newDecoder()
                                       .onUnmappableCharacter(CodingErrorAction.REPLACE)
                                       .onMalformedInput(CodingErrorAction.REPLACE);
        byte[] ba = new byte[1];
        byte[] ba2 = new byte[2];
        ByteBuffer dbb = ByteBuffer.allocateDirect(10);
        char[] ca = new char[1];
        char c;
        for (int i = 0; i <= 0xff; i++) {
            if (i != 0xe && i != 0xf) {   // no SI/SO
                ba[0] = (byte)i;
                CharBuffer cb = dec933.decode(ByteBuffer.wrap(ba));
                if ((c = cb.get()) != '\ufffd') {
                    // OK, this is a SBCS character in Cp933
                    if (dec834.decode(ByteBuffer.wrap(ba)).get() != '\ufffd')
                        throw new RuntimeException("SBCS is supported in IBM834 decoder");

                    if (enc834.canEncode(c))
                        throw new RuntimeException("SBCS can be encoded in IBM834 encoder");

                    ca[0] = c;
                    ByteBuffer bb = enc834.encode(CharBuffer.wrap(ca));
                    if (bb.get() != (byte)0xfe || bb.get() != (byte)0xfe)
                        throw new RuntimeException("SBCS is supported in IBM834 encoder");
                }
            }
        }

        // 8166339: cp834 should handle unmappable bytes as dobule-byte pair.
        if (! new String("\ufffd".getBytes("cp834"), "cp834").equals("\ufffd")) {
            throw new RuntimeException("u+fffd roundtrip failed");
        }

        if (! new String("a".getBytes("cp834"), "cp834").equals("\ufffd") ||
            ! new String(new byte[] { 0x41, 0x40}, "cp834").equals("\ufffd")) {
            throw new RuntimeException("decoding unmappable don't return u+fffd");
        }

        CoderResult cr = Charset.forName("Cp834").newDecoder().decode(
            ByteBuffer.wrap(new byte[] { 0x41, 0x40}), CharBuffer.wrap(new char[2]), true);
        if (cr.isError() && cr.length() != 2) {
            throw new RuntimeException("decoding unmappable don't return unmmappable(2)");
        }

    }
}

¤ Dauer der Verarbeitung: 0.0 Sekunden (vorverarbeitet) ¤

Druckansicht unsichere Verbindung
Druckansicht sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.