89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4153987 6354525
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* @summary Malformed surrogates should be handled by the converter in
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* substitution mode.
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*/
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import java.io.ByteArrayOutputStream;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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public class MalformedSurrogateStringTest {
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public static void main(String[] args) throws Exception {
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String fe = System.getProperty("file.encoding");
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if ( fe.equalsIgnoreCase("UTF8")
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|| fe.equalsIgnoreCase("UTF-8")
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|| fe.equalsIgnoreCase("UTF_8"))
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// This test is meaningless if the default charset
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// does handle surrogates
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return;
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System.out.println("Testing string conversion...");
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/* Example with malformed surrogate, and an offset */
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String t = "abc\uD800\uDB00efgh";
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String t2 = t.substring(2);
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byte[] b = t2.getBytes();
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System.err.println(b.length);
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for (int i = 0; i < b.length; i++)
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System.err.println("[" + i + "]" + "=" + (char) b[i]
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+ "=" + (int) b[i]);
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if (b.length != 7) {
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throw new Exception("Bad string conversion for bad surrogate");
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}
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/* Example with a proper surrogate, no offset. Always worked */
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String t3 = "abc\uD800\uDC00efgh";
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byte[] b2 = t3.getBytes();
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System.out.println(b2.length);
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for(int i = 0; i < b2.length; i++)
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System.err.println("[" + i + "]" + "=" + (char) b2[i]);
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if (b2.length != 8) {
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throw new Exception("Bad string conversion for good surrogate");
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}
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OutputStream os = new ByteArrayOutputStream();
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OutputStreamWriter osw = new OutputStreamWriter(os);
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System.out.println("Testing flush....");
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/* Check for the case where the converter has a left over
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high surrogate when flush is called on the converter */
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osw.flush();
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String s = "abc\uD800"; // High surrogate
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char[] c = s.toCharArray();
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osw.write(s, 0, 4);
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osw.flush();
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System.out.println("Testing convert...");
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/* Verify that all other characters go through */
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for (int k = 1; k < 65535 ; k++) {
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osw.write("Char[" + k + "]=\"" + ((char) k) + "\"");
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}
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}
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}
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