100 lines
3.4 KiB
Java
100 lines
3.4 KiB
Java
/*
|
|
* 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
|
|
* XXXXReader.read(b, off, len).
|
|
*
|
|
*/
|
|
|
|
import java.io.*;
|
|
|
|
public class ReadParams {
|
|
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(Reader rdr) 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 {
|
|
rdr.read(b[i], values[j], values[k]);
|
|
} catch (NullPointerException e) {
|
|
if (!nullPtr) {
|
|
throw new Exception
|
|
("should not throw NullPointerException" + i + " " +j + " " + k);
|
|
}
|
|
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{
|
|
StringReader sr = new StringReader(new String(new byte[512]));
|
|
test(sr);
|
|
|
|
test(new BufferedReader(sr));
|
|
|
|
test(new CharArrayReader(new char[8]));
|
|
|
|
InputStreamReader ir = new InputStreamReader
|
|
(new ByteArrayInputStream(new byte[512]));
|
|
test(ir);
|
|
|
|
test(new PushbackReader(sr, 2));
|
|
|
|
PipedWriter pw = new PipedWriter();
|
|
PipedReader pir = new PipedReader(pw);
|
|
pw.write(new char[512], 0, 512);
|
|
test(pir);
|
|
}
|
|
}
|