--- /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();
+ }
+}