/* * Copyright (c) 1998, 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 4071765 @summary Bug in the parameter of str.getChars called in write
*/
import java.io.*;
publicclass WriteFromString {
publicstaticvoid main(String argv[]) throws Exception {
LocalStringWriter lsw = new LocalStringWriter(); boolean result = true;
String testString = "Testing of what gets written"; // Should write out at offset 2 for length 4 i.e."stin"
lsw.write(testString, 1, 4);
String res = lsw.toString(); if (!res.equals("esti")) {
result = false;
System.err.println("Writer.write is incorrect:" + res);
}
// Same bug in stringwriter as well
StringWriter sw = new StringWriter();
sw.write(testString, 1, 4);
res = sw.toString();
String ss = testString.substring(1,4);
System.out.println("Substring = "+ss); if (!res.equals("esti")) {
System.err.println("StringWriter.write is incorrect:" + res);
result = false;
} if (!result) { thrownew Exception("Writer.write method is incorrect.");
}
}
}
/** * A copy of StringWriter to test the write method in Writer
*/
class LocalStringWriter extends Writer {
private StringBuffer buf;
/** * Create a new string writer, using the default initial string-buffer * size.
*/ public LocalStringWriter() {
buf = new StringBuffer();
lock = buf;
}
/** * Write a portion of an array of characters. * * @param cbuf Array of characters * @param off Offset from which to start writing characters * @param len Number of characters to write
*/ publicvoid write(char cbuf[], int off, int len) { if ((off < 0) || (off > cbuf.length) || (len < 0) ||
((off + len) > cbuf.length) || ((off + len) < 0)) { thrownew IndexOutOfBoundsException();
} elseif (len == 0) { return;
}
buf.append(cbuf, off, len);
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.