Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: EuroConverter.java Sprache: JAVA

/*
* Copyright (c) 2008, 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      4114080 8186803
* @summary  Make sure the euro converters, which are derived from
* existing converters, only differ from their parents at the expected
* code point.
* @modules jdk.charsets
*/

import java.text.*;
import java.util.*;
import java.io.*;

/* Author: Alan Liu
* 7/14/98
*/
public class EuroConverter {
    public static void main(String args[]) throws Exception {
        boolean pass = true;
        char[] map = new char[256]; // map for the encoding
        byte[] bytes = new byte[1]; // scratch
        char[] chars = new char[1]; // scratch
        for (int i=0; i<DATA.length; ) {
            String euroEnc = DATA[i++];
            String parentEnc = DATA[i++];
            System.out.println("Checking encoder " + euroEnc + " against " + parentEnc);
            String currentEnc = parentEnc;

            try {
                // Fill map with parent values
                for (int j=-128; j<128; ++j) {
                    bytes[0] = (byte)j;
                    char parentValue = new String(bytes, parentEnc).charAt(0);
                    // NOTE: 0x25 doesn't round trip on the EBCDIC code pages,
                    // so we don't check that code point in the sanity check.
                    if (j != 0x0025) {
                        chars[0] = parentValue;
                        int parentRoundTrip = new String(chars).getBytes(parentEnc)[0];
                        // This is a sanity check -- we aren't really testing the parent
                        // encoder here.
                        if (parentRoundTrip != j) {
                            pass = false;
                            System.out.println("Error: Encoder " + parentEnc +
                                           " fails round-trip: " + j +
                                           " -> \\u" + Integer.toHexString(parentValue) +
                                           " -> " + parentRoundTrip);
                        }
                    }
                    map[(j+0x100)&0xFF] = parentValue;
                }

                // Modify map with new expected values.  Each pair has code point, parent value, euro value.
                // Terminated by null.
                while (DATA[i] != null) {
                    int codePoint = Integer.valueOf(DATA[i++], 16).intValue();
                    char expectedParentValue = DATA[i++].charAt(0);
                    char expectedEuroValue = DATA[i++].charAt(0);
                    // This is a sanity check -- we aren't really testing the parent
                    // encoder here.
                    if (map[codePoint] != expectedParentValue) {
                        pass = false;
                        System.out.println("Error: Encoder " + parentEnc +
                                           " " + Integer.toHexString(codePoint) + " -> \\u" +
                                           Integer.toHexString(map[codePoint]) + ", expected \\u" +
                                           Integer.toHexString(expectedParentValue));
                    }
                    // Fill in new expected value
                    map[codePoint] = expectedEuroValue;
                }
                ++i; // Skip over null at end of set

                // Now verify the euro encoder
                currentEnc = euroEnc;
                for (int j=-128; j<128; ++j) {
                    bytes[0] = (byte)j;
                    char euroValue = new String(bytes, euroEnc).charAt(0);
                    chars[0] = euroValue;
                    // NOTE: 0x25 doesn't round trip on the EBCDIC code pages,
                    // so we don't check that code point in the sanity check.
                    if (j != 0x0025) {
                        int euroRoundTrip = new String(chars).getBytes(euroEnc)[0];
                        if (euroRoundTrip != j) {
                            pass = false;
                            System.out.println("Error: Encoder " + euroEnc +
                                           " fails round-trip at " + j);
                        }
                    }
                    // Compare against the map
                    if (euroValue != map[(j+0x100)&0xFF]) {
                        pass = false;
                        System.out.println("Error: Encoder " + euroEnc +
                                           " " + Integer.toHexString((j+0x100)&0xFF) + " -> \\u" +
                                           Integer.toHexString(euroValue) + ", expected \\u" +
                                           Integer.toHexString(map[(j+0x100)&0xFF]));
                    }
                }
            } catch (UnsupportedEncodingException e) {
                System.out.println("Unsupported encoding " + currentEnc);
                pass = false;
                while (i < DATA.length && DATA[i] != null) ++i;
                ++i; // Skip over null
            }
        }
        if (!pass) {
            throw new RuntimeException("Bug 4114080 - Euro encoder test failed");
        }
    }
    static String[] DATA = {
        // New converter, parent converter, [ code point that changed, parent code point value,
        // euro code point value ], null
        // Any number of changed code points may be specified, including zero.
        "ISO8859_15_FDIS", "ISO8859_1",
            "A4", "\u00A4", "\u20AC",
            "A6", "\u00A6", "\u0160",
            "A8", "\u00A8", "\u0161",
            "B4", "\u00B4", "\u017D",
            "B8", "\u00B8", "\u017E",
            "BC", "\u00BC", "\u0152",
            "BD", "\u00BD", "\u0153",
            "BE", "\u00BE", "\u0178",
            null,
        // 923 is IBM's name for ISO 8859-15; make sure they're identical
        "Cp923", "ISO8859_15_FDIS", null,
        "Cp858", "Cp850", "D5", "\u0131", "\u20AC", null,
        "Cp1140", "Cp037", "9F", "\u00A4", "\u20AC", null,
        "Cp1141", "Cp273", "9F", "\u00A4", "\u20AC", null,
        "Cp1142", "Cp277", "5A", "\u00A4", "\u20AC", null,
        "Cp1143", "Cp278", "5A", "\u00A4", "\u20AC", null,
        "Cp1144", "Cp280", "9F", "\u00A4", "\u20AC", null,
        "Cp1145", "Cp284", "9F", "\u00A4", "\u20AC", null,
        "Cp1146", "Cp285", "9F", "\u00A4", "\u20AC", null,
        "Cp1147", "Cp297", "9F", "\u00A4", "\u20AC", null,
        "Cp1148", "Cp500", "9F", "\u00A4", "\u20AC", null,
        "Cp1149", "Cp871", "9F", "\u00A4", "\u20AC", null,
    };
}

¤ Dauer der Verarbeitung: 0.15 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des 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.