79 lines
2.8 KiB
Java
79 lines
2.8 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 6378295
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* @summary Roundtrip Encoding/Decoding of ASCII chars from 0x00-0x7f
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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 FindASCIIRangeCodingBugs {
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private static int failures = 0;
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private static byte[] asciiBytes = new byte[0x80];
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private static char[] asciiChars = new char[0x80];
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private static String asciiString;
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private static void check(String csn) throws Exception {
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System.out.println(csn);
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if (! Arrays.equals(asciiString.getBytes(csn), asciiBytes)) {
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System.out.printf("%s -> bytes%n", csn);
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failures++;
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}
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if (! new String(asciiBytes, csn).equals(asciiString)) {
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System.out.printf("%s -> chars%n", csn);
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failures++;
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}
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}
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public static void main(String[] args) throws Exception {
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for (int i = 0; i < 0x80; i++) {
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asciiBytes[i] = (byte) i;
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asciiChars[i] = (char) i;
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}
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asciiString = new String(asciiChars);
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Charset ascii = Charset.forName("ASCII");
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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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if (!cs.contains(ascii) ||
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csn.matches(".*2022.*") || //iso2022 family
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csn.matches("x-windows-5022[0|1]") || //windows 2022jp
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csn.matches(".*UTF-[16|32].*")) //multi-bytes
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continue;
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if (! cs.canEncode()) continue;
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try {
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check(csn);
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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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