| /* |
| * Copyright (c) 2010, 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 4712786 |
| * @summary Check charsets against reference files |
| * @modules jdk.charsets |
| * |
| * @build Util |
| * @run main Check shift_jis ref.shift_jis |
| * @run main/othervm -Dsun.nio.cs.map=Windows-31J/Shift_JIS Check shift_jis ref.windows-31j |
| */ |
| |
| import java.io.*; |
| import java.nio.*; |
| import java.nio.channels.*; |
| import java.nio.charset.*; |
| import java.util.*; |
| import java.util.regex.*; |
| |
| |
| public class Check { |
| |
| private static PrintStream log = System.err; |
| |
| private static final int UNICODE_SIZE = (1 << 16); |
| |
| private final String csName; |
| private final String refName; |
| private byte[][] bytes = new byte[UNICODE_SIZE][]; // Indexed by char |
| |
| private int errors = 0; |
| |
| private Check(String csn, String refn) { |
| csName = csn; |
| refName = refn; |
| } |
| |
| private Check load() |
| throws IOException |
| { |
| File fn = new File(System.getProperty("test.src", "."), refName); |
| FileChannel fc = new FileInputStream(fn).getChannel(); |
| ByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size()); |
| CharBuffer cb = Charset.forName("US-ASCII").decode(bb); |
| Pattern p = Pattern.compile("^(\\p{XDigit}+) +(\\p{XDigit}+)$", |
| Pattern.MULTILINE); |
| Matcher m = p.matcher(cb); |
| while (m.find()) { |
| char c = (char)Integer.parseInt(m.group(1), 16); |
| String v = m.group(2); |
| int nb = v.length() >> 1; |
| byte[] ba = new byte[nb]; |
| for (int i = 0; i < nb; i++) { |
| ba[i] = (byte)Integer.parseInt(v.substring(i << 1, (i << 1) + 2), |
| 16); |
| } |
| bytes[c] = ba; |
| } |
| return this; |
| } |
| |
| private void error() { |
| if (++errors >= 100) |
| throw new RuntimeException("100 errors occurred (there might be more)"); |
| } |
| |
| private void mismatch(String s, byte[] expected, byte[] got) { |
| log.println("Encoding mismatch on \"" |
| + Util.toString(s) |
| + "\": Expected {" |
| + Util.toString(expected) |
| + "}, got {" |
| + Util.toString(got) |
| + "}"); |
| error(); |
| } |
| |
| private void mismatch(int i, byte[] ba, String expected, String got) { |
| log.println("Decoding mismatch on \"" |
| + Util.toString((char)i) |
| + "\", input {" |
| + Util.toString(ba) |
| + "}: Expected \"" |
| + Util.toString(expected) |
| + "\", got \"" |
| + Util.toString(got) |
| + "\""); |
| error(); |
| } |
| |
| private void check() |
| throws IOException |
| { |
| |
| // String.getBytes(String csn) |
| for (int i = 0; i < UNICODE_SIZE; i++) { |
| if (bytes[i] == null) |
| continue; |
| String s = new String(new char[]{ (char)i }); |
| byte[] ba = s.getBytes(csName); |
| if (Util.cmp(ba, bytes[i]) >= 0) |
| mismatch(s, bytes[i], ba); |
| } |
| log.println("String.getBytes(\"" + csName + "\") okay"); |
| |
| // String(byte[] ba, String csn) |
| for (int i = 0; i < UNICODE_SIZE; i++) { |
| if (bytes[i] == null) |
| continue; |
| String r = new String(new char[]{ (char)i }); |
| String s = new String(bytes[i], csName); |
| if (!r.equals(s)) |
| mismatch(i, bytes[i], r, s); |
| } |
| log.println("String(byte[] ba, \"" + csName + "\") okay"); |
| |
| // To be really thorough we should test OutputStreamWriter, |
| // InputStreamReader, and Charset{De,En}Coder here also, |
| // but the above will do for now. |
| |
| if (errors > 0) { |
| throw new RuntimeException(errors + " error(s) occurred"); |
| } |
| |
| } |
| |
| // Usage: Check charsetName referenceFileName |
| public static void main(String[] args) throws Exception { |
| new Check(args[0], args[1]).load().check(); |
| } |
| |
| } |