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