94 lines
3.2 KiB
Java
94 lines
3.2 KiB
Java
/*
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* Copyright (c) 1998, 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 4127657
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* @summary Check for correct handling of parameters to
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* XXXXWriter.write(b, off, len).
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*
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*/
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import java.io.*;
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public class WriteParams {
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static int values[] = {Integer.MIN_VALUE, -1, 0, 1, 4, 16, 31,
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32, 33, Integer.MAX_VALUE};
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static char b[][] = {null, new char[32]};
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static void test(Writer wtr) throws Exception {
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int i = 0, j = 0, k = 0;
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boolean nullPtr = false, indexOutBnd = false;
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for (i = 0; i < b.length; i++) {
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for ( j = 0; j < values.length; j++) {
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for ( k = 0; k < values.length; k++) {
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nullPtr = (b[i] == null);
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int bufLen = nullPtr ? 0 : b[i].length;
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indexOutBnd = ((values[j] + values[k]) < 0)
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|| (values[j] < 0)
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|| (values[j] > bufLen)
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|| (values[k] < 0)
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|| ((values[j] + values[k]) > bufLen);
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try {
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wtr.write(b[i], values[j], values[k]);
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} catch (NullPointerException e) {
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if (!nullPtr) {
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throw new Exception
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("should not throw NullPointerException");
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}
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continue;
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} catch (IndexOutOfBoundsException e) {
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if (!indexOutBnd) {
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throw new Exception
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("should not throw IndexOutOfBoundsException");
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}
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continue;
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}
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if (nullPtr || indexOutBnd) {
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throw new Exception("Should have thrown an exception");
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}
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}
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}
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}
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}
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public static void main(String args[]) throws Exception{
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StringWriter sw = new StringWriter();
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test(sw);
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test(new BufferedWriter(sw));
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test(new CharArrayWriter());
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test(new OutputStreamWriter(System.err));
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test(new PipedWriter(new PipedReader()));
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}
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}
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