| /* |
| * 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 5058133 6233345 6381699 6381702 6381705 6381706 |
| * @summary Check that all one-char sequences can be encoded by all charsets |
| * @run main/timeout=1200 FindOneCharEncoderBugs |
| * @author Martin Buchholz |
| */ |
| |
| import java.util.*; |
| import java.nio.*; |
| import java.nio.charset.*; |
| |
| public class FindOneCharEncoderBugs { |
| final static String[] brokenCharsets = { |
| // Delete the following lines when these charsets are fixed! |
| "x-IBM970", |
| "x-COMPOUND_TEXT", // Direct buffers not supported |
| }; |
| |
| private static boolean equals(byte[] ba, ByteBuffer bb) { |
| if (ba.length != bb.limit()) |
| return false; |
| for (int i = 0; i < ba.length; i++) |
| if (ba[i] != bb.get(i)) |
| return false; |
| return true; |
| } |
| |
| private static String toString(byte[] bytes) { |
| final StringBuilder sb = new StringBuilder(); |
| for (byte b : bytes) { |
| if (sb.length() != 0) sb.append(' '); |
| sb.append(String.format("%02x", (int)b)); |
| } |
| return sb.toString(); |
| } |
| |
| private static String toString(ByteBuffer bb) { |
| final StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < bb.limit(); i++) { |
| if (sb.length() != 0) sb.append(' '); |
| sb.append(String.format("%02x", (int)bb.get(i))); |
| } |
| return sb.toString(); |
| } |
| |
| private static ByteBuffer convert(Charset cs, char c, CharBuffer cb) throws Throwable { |
| cb.clear(); cb.put(c); cb.flip(); |
| return cs.newEncoder() |
| .onUnmappableCharacter(CodingErrorAction.REPLACE) |
| .onMalformedInput(CodingErrorAction.REPLACE) |
| .encode(cb); |
| } |
| |
| /** Returns a direct CharBuffer with the same capacity as ordinary CharBuffer ocb */ |
| private static CharBuffer directCharBuffer(CharBuffer ocb) { |
| final CharBuffer dcb = |
| ByteBuffer.allocateDirect(ocb.capacity() * Character.SIZE / Byte.SIZE) |
| .asCharBuffer(); |
| check(! ocb.isDirect()); |
| check( dcb.isDirect()); |
| equal(ocb.capacity(), dcb.capacity()); |
| return dcb; |
| } |
| |
| private static void testChar(byte[] expected, CharBuffer cb, Charset cs, char c) { |
| try { |
| final ByteBuffer bb = convert(cs, c, cb); |
| if (! equals(expected, bb)) |
| fail("bytes differ charset=%s direct=%s char=\\u%04x%n%s%n%s", |
| cs, cb.isDirect(), (int)c, |
| toString(expected), toString(bb)); |
| } catch (Throwable t) { |
| System.out.printf("Unexpected exception charset=%s direct=%s char=\\u%04x%n", |
| cs, cb.isDirect(), (int)c); |
| unexpected(t); |
| failed++; |
| } |
| } |
| |
| private static void testCharset(Charset cs) throws Throwable { |
| if (! cs.canEncode()) |
| return; |
| |
| final String csn = cs.name(); |
| |
| for (String n : brokenCharsets) |
| if (csn.equals(n)) { |
| System.out.printf("Skipping possibly broken charset %s%n", csn); |
| return; |
| } |
| System.out.println(csn); |
| |
| final char[] theChar = new char[1]; |
| final CharBuffer ocb = CharBuffer.allocate(1); |
| final CharBuffer dcb = directCharBuffer(ocb); |
| final int maxFailuresPerCharset = 5; |
| final int failed0 = failed; |
| |
| for (char c = '\u0000'; |
| (c+1 != 0x10000) && (failed - failed0 < maxFailuresPerCharset); |
| c++) { |
| theChar[0] = c; |
| byte[] bytes = new String(theChar).getBytes(csn); |
| if (bytes.length == 0) |
| fail("Empty output?! charset=%s char=\\u%04x", cs, (int)c); |
| testChar(bytes, ocb, cs, c); |
| testChar(bytes, dcb, cs, c); |
| } |
| } |
| |
| private static void realMain(String[] args) { |
| for (Charset cs : Charset.availableCharsets().values()) { |
| try { testCharset(cs); } |
| catch (Throwable t) { unexpected(t); } |
| } |
| } |
| |
| //--------------------- Infrastructure --------------------------- |
| static volatile int passed = 0, failed = 0; |
| static void pass() {passed++;} |
| static void fail() {failed++; Thread.dumpStack();} |
| static void fail(String format, Object... args) { |
| System.out.println(String.format(format, args)); failed++;} |
| static void fail(String msg) {System.out.println(msg); fail();} |
| static void unexpected(Throwable t) {failed++; t.printStackTrace();} |
| static void check(boolean cond) {if (cond) pass(); else fail();} |
| static void equal(Object x, Object y) { |
| if (x == null ? y == null : x.equals(y)) pass(); |
| else fail(x + " not equal to " + y);} |
| public static void main(String[] args) throws Throwable { |
| try {realMain(args);} catch (Throwable t) {unexpected(t);} |
| System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed); |
| if (failed > 0) throw new AssertionError("Some tests failed");} |
| private static abstract class Fun {abstract void f() throws Throwable;} |
| static void THROWS(Class<? extends Throwable> k, Fun... fs) { |
| for (Fun f : fs) |
| try { f.f(); fail("Expected " + k.getName() + " not thrown"); } |
| catch (Throwable t) { |
| if (k.isAssignableFrom(t.getClass())) pass(); |
| else unexpected(t);}} |
| private static abstract class CheckedThread extends Thread { |
| abstract void realRun() throws Throwable; |
| public void run() { |
| try {realRun();} catch (Throwable t) {unexpected(t);}}} |
| } |