diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/sun/nio/cs/TestUTF_16.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/sun/nio/cs/TestUTF_16.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,196 @@ +/* + * 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 4403848 6348426 6407730 + @summary Check correctness of the UTF-16 converter in all its flavors + */ + +import java.io.IOException; +import java.nio.BufferOverflowException; +import java.nio.*; +import java.nio.charset.*; + +public class TestUTF_16 { + + private static void testDecode(String charset, + String expected, + byte[] input) + throws Exception + { + String out = new String(input, charset); + if (!out.equals(expected)) { + failureReport (out, expected); + throw new Exception("UTF_16 Decoding test failed " + charset); + } + } + + private static void testEncode(String charset, + String input, + byte[] expected) + throws Exception + { + byte[] testBytes = input.getBytes(charset); + for (int i = 0; i< expected.length; i++) + if (testBytes[i] != expected[i]) + throw new Exception("UTF_16 Encoding test failed " + charset); + + } + + private static void warn(String s) { + System.err.println("FAILED Test 4403848 UTF-16" + + s) ; + } + + private static void failureReport(String testStr, + String expected) { + + System.err.println ("Expected Characters:"); + for (int i = 0; i < expected.length() ; i++) { + warn("expected char[" + i + "] : " + + Integer.toHexString((int)expected.charAt(i)) + + "obtained char[" + i + "] : " + + Integer.toHexString((int)testStr.charAt(i))); + } + } + + /* + private static void checkResult(char[] expected, + String testStr, + String testName) + throws Exception + { + if (testStr.length() != expected.length) + failureReport(testStr, expected); + + for (int i = 0; i < testStr.length(); i++) { + if (testStr.charAt(i) != expected[i]) { + failureReport(testStr, expected); + throw new Exception ("REGTEST TestUTF16 failed: " + + testName); + } + } + System.err.println ("Test " + testName + " PASSED"); + return; + } + */ + + private static void test() throws Exception { + + // Tests: Check decoding of UTF-16. + // Ensures correct endian polarity + // of the decoders and appropriate + // interpretation of BOM bytes where + // they are required. + + // Test 1: BigEndian UTF-16 Decoding + + testDecode("UTF_16BE", "\u0092\u0093", + new byte[] { (byte) 0x00, (byte) 0x92, + (byte) 0x00, (byte) 0x93 }); + + // Test 1a: BigEndian UTF-16 Decoding. BOM bytes provided. + testDecode("UTF_16BE", "\ufeff\u0092\u0093", + new byte[] { (byte) 0xfe, (byte) 0xff, + (byte) 0x00, (byte) 0x92, + (byte) 0x00, (byte) 0x93 }); + + testDecode("UTF_16LE", "\u9200\u9300", + new byte[] { (byte) 0x00, (byte) 0x92, + (byte) 0x00, (byte) 0x93 }); + + // Test 2a: LittleEndian UTF-16 Decoding, BOM bytes provided. + testDecode("UTF_16LE", "\ufeff\u9200\u9300", + new byte[] { (byte) 0xff, (byte) 0xfe, + (byte) 0x00, (byte) 0x92, + (byte) 0x00, (byte) 0x93 }); + + // Test 3: UTF-16 (with mandatory byte order mark) Decoding + + testDecode("UTF-16", "\u9200\u9300", + new byte[] { (byte) 0xfe, (byte) 0xff, + (byte) 0x92, (byte) 0x00, + (byte) 0x93, (byte) 0x00 }); + + + // Test 3a: UTF-16 BOM omitted. This should decode OK. + testDecode("UTF-16", "\u9200\u9300", + new byte[] { (byte) 0x92, (byte) 0x00, + (byte) 0x93, (byte) 0x00 }); + + + // Test 4: encoding using UTF-16 + // BOM must be emitted when encoding and must be BigEndian. + + testEncode("UTF-16", "\u0123", + new byte[] { (byte) 0xfe, (byte) 0xff, + (byte) 0x01, (byte) 0x23 }); + + // Test 5: + if (CoderResult.OVERFLOW != + Charset.forName("UTF_16") + .newDecoder() + .decode((ByteBuffer.allocate(4) + .put(new byte[] + {(byte)0xd8,(byte)0x00, + (byte)0xdc,(byte)0x01}) + .flip()), + CharBuffer.allocate(1), + true)) { + throw new Exception ("REGTEST TestUTF16 Overflow test failed"); + } + + // Test 6: decoding using UTF_16LE_BOM/UnicodeLittle + // UnicodeLittle should accept non-BOM byte sequence + + testDecode("UnicodeLittle", "Arial", + new byte[] { 'A', 0, 'r', 0, 'i', 0, 'a', 0, 'l', 0}); + + System.err.println ("\nPASSED UTF-16 encoder test"); + + // Reversed BOM in middle of stream Negative test. + + /* + boolean caughtException = false; + try { + String out = new String(new byte[] {(byte)0x00, + (byte)0x92, + (byte)0xff, + (byte)0xfe}, + "UTF-16"); + } catch (IOException e) { caughtException = true; } + + if (caughtException == false) + throw new Exception ("Incorrectly parsed BOM in middle of input"); + */ + + // Fixed included with bug 4403848 fixes buffer sizing + // issue due to non provision of additional 2 bytes + // headroom for initial BOM bytes for UTF-16 encoding. + System.err.println ("OVERALL PASS OF UTF-16 Test"); + } + + public static void main (String[] args) throws Exception { + test(); + } +}