/* * Copyright (c) 2000, 2013, 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 6636323 6636319 7040220 7096080 7183053 8080248 8054307 * @summary Test if StringCoding and NIO result have the same de/encoding result * @modules java.base/sun.nio.cs * @run main/othervm/timeout=2000 TestStringCoding * @key randomness */ import java.util.*; import java.nio.*; import java.nio.charset.*; public class TestStringCoding { public static void main(String[] args) throws Throwable { // full bmp first char[] bmp = new char[0x10000]; for (int i = 0; i < 0x10000; i++) { bmp[i] = (char)i; } char[] latin = Arrays.copyOf(bmp, 0x100); char[] ascii = Arrays.copyOf(bmp, 0x80); byte[] latinBA = new byte[0x100]; for (int i = 0; i < 0x100; i++) { latinBA[i] = (byte)i; } byte[] asciiBA = Arrays.copyOf(latinBA, 0x80); for (Boolean hasSM: new boolean[] { false, true }) { if (hasSM) { System.setSecurityManager(new PermissiveSecurityManger()); } for (Charset cs: Charset.availableCharsets().values()) { if ("ISO-2022-CN".equals(cs.name()) || "x-COMPOUND_TEXT".equals(cs.name()) || "x-JISAutoDetect".equals(cs.name())) continue; System.out.printf("Testing(sm=%b) " + cs.name() + "....", hasSM); testNewString(cs, testGetBytes(cs, new String(bmp))); testNewString(cs, testGetBytes(cs, new String(latin))); testNewString(cs, testGetBytes(cs, new String(ascii))); testGetBytes(cs, testNewString(cs, latinBA)); testGetBytes(cs, testNewString(cs, asciiBA)); // "randomed" sizes Random rnd = new Random(); for (int i = 0; i < 10; i++) { //System.out.printf(" blen=%d, clen=%d%n", blen, clen); char[] bmp0 = Arrays.copyOf(bmp, rnd.nextInt(0x10000)); testNewString(cs, testGetBytes(cs, new String(bmp0))); //add a pair of surrogates int pos = bmp0.length / 2; if ((pos + 1) < bmp0.length) { bmp0[pos] = '\uD800'; bmp0[pos+1] = '\uDC00'; } testNewString(cs, testGetBytes(cs, new String(bmp0))); char[] latin0 = Arrays.copyOf(latin, rnd.nextInt(0x100)); char[] ascii0 = Arrays.copyOf(ascii, rnd.nextInt(0x80)); byte[] latinBA0 = Arrays.copyOf(latinBA, rnd.nextInt(0x100)); byte[] asciiBA0 = Arrays.copyOf(asciiBA, rnd.nextInt(0x80)); testNewString(cs, testGetBytes(cs, new String(latin0))); testNewString(cs, testGetBytes(cs, new String(ascii0))); testGetBytes(cs, testNewString(cs, latinBA0)); testGetBytes(cs, testNewString(cs, asciiBA0)); } testSurrogates(cs); testMixed(cs); System.out.println("done!"); } } } static void testMixed(Charset cs) throws Throwable { CharsetDecoder dec = cs.newDecoder() .onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); CharsetEncoder enc = cs.newEncoder() .onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); List cps = new ArrayList<>(0x10000); int off = 0; int cp = 0; while (cp < 0x10000) { if (enc.canEncode((char)cp)) { cps.add(cp); } cp++; } Collections.shuffle(cps); char[] bmpCA = new char[cps.size()]; for (int i = 0; i < cps.size(); i++) bmpCA[i] = (char)(int)cps.get(i); String bmpStr = new String(bmpCA); //getBytes(csn); byte[] bmpBA = bmpStr.getBytes(cs.name()); ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(bmpCA)); byte[] baNIO = new byte[bf.limit()]; bf.get(baNIO, 0, baNIO.length); if (!Arrays.equals(bmpBA, baNIO)) { throw new RuntimeException("getBytes(csn) failed -> " + cs.name()); } //getBytes(cs); bmpBA = bmpStr.getBytes(cs); if (!Arrays.equals(bmpBA, baNIO)) { throw new RuntimeException("getBytes(cs) failed -> " + cs.name()); } //new String(csn); String strSC = new String(bmpBA, cs.name()); String strNIO = dec.reset().decode(ByteBuffer.wrap(bmpBA)).toString(); if(!strNIO.equals(strSC)) { throw new RuntimeException("new String(csn) failed -> " + cs.name()); } //new String(cs); strSC = new String(bmpBA, cs); if (!strNIO.equals(strSC)) { throw new RuntimeException("new String(cs) failed -> " + cs.name()); } } static byte[] getBytes(CharsetEncoder enc, String str) throws Throwable { ByteBuffer bf = enc.reset().encode(CharBuffer.wrap(str.toCharArray())); byte[] ba = new byte[bf.limit()]; bf.get(ba, 0, ba.length); return ba; } static byte[] testGetBytes(Charset cs, String str) throws Throwable { CharsetEncoder enc = cs.newEncoder() .onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); //getBytes(csn); byte[] baSC = str.getBytes(cs.name()); byte[] baNIO = getBytes(enc, str); if (!Arrays.equals(baSC, baNIO)) { throw new RuntimeException("getBytes(csn) failed -> " + cs.name()); } //getBytes(cs); baSC = str.getBytes(cs); if (!Arrays.equals(baSC, baNIO)) { throw new RuntimeException("getBytes(cs) failed -> " + cs.name()); } return baSC; } static String testNewString(Charset cs, byte[] ba) throws Throwable { CharsetDecoder dec = cs.newDecoder() .onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); //new String(csn); String strSC = new String(ba, cs.name()); String strNIO = dec.reset().decode(ByteBuffer.wrap(ba)).toString(); if(!strNIO.equals(strSC)) { throw new RuntimeException("new String(csn) failed -> " + cs.name()); } //new String(cs); strSC = new String(ba, cs); if (!strNIO.equals(strSC)) { throw new RuntimeException("new String(cs)/bmp failed -> " + cs.name()); } return strSC; } static void testSurrogates(Charset cs) throws Throwable { //encode unmappable surrogates CharsetEncoder enc = cs.newEncoder() .onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); if (enc instanceof sun.nio.cs.ArrayEncoder && cs.contains(Charset.forName("ASCII"))) { if (cs.name().equals("UTF-8") || // utf8 handles surrogates cs.name().equals("CESU-8")) // utf8 handles surrogates return; enc.replaceWith(new byte[] { (byte)'A'}); sun.nio.cs.ArrayEncoder cae = (sun.nio.cs.ArrayEncoder)enc; String str = "ab\uD800\uDC00\uD800\uDC00cd"; byte[] ba = new byte[str.length() - 2]; int n = cae.encode(str.toCharArray(), 0, str.length(), ba); if (n != 6 || !"abAAcd".equals(new String(ba, cs.name()))) throw new RuntimeException("encode1(surrogates) failed -> " + cs.name()); ba = new byte[str.length()]; n = cae.encode(str.toCharArray(), 0, str.length(), ba); if (n != 6 || !"abAAcd".equals(new String(ba, 0, n, cs.name()))) throw new RuntimeException("encode2(surrogates) failed -> " + cs.name()); str = "ab\uD800B\uDC00Bcd"; ba = new byte[str.length()]; n = cae.encode(str.toCharArray(), 0, str.length(), ba); if (n != 8 || !"abABABcd".equals(new String(ba, 0, n, cs.name()))) throw new RuntimeException("encode3(surrogates) failed -> " + cs.name()); /* sun.nio.cs.ArrayDeEncoder works on the assumption that the invoker (StringCoder) allocates enough output buf, utf8 and double-byte coder does not check the output buffer limit. ba = new byte[str.length() - 1]; n = cae.encode(str.toCharArray(), 0, str.length(), ba); if (n != 7 || !"abABABc".equals(new String(ba, 0, n, cs.name()))) { throw new RuntimeException("encode4(surrogates) failed -> " + cs.name()); } */ } //encode mappable surrogates for hkscs if (cs.name().equals("Big5-HKSCS") || cs.name().equals("x-MS950-HKSCS")) { String str = "ab\uD840\uDD0Ccd"; byte[] expected = new byte[] {(byte)'a', (byte)'b', (byte)0x88, (byte)0x45, (byte)'c', (byte)'d' }; if (!Arrays.equals(str.getBytes(cs.name()), expected) || !Arrays.equals(str.getBytes(cs), expected)) { throw new RuntimeException("encode(surrogates) failed -> " + cs.name()); } } } static class PermissiveSecurityManger extends SecurityManager { @Override public void checkPermission(java.security.Permission p) {} } }