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/*
* Copyright (c) 1999, 2020, 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 4214513 8245036
* @summary Passing a negative offset or length,
* or passing a combination of offset and length too big
* for readFully must throw IndexOutOfBoundsException.
*/
import java.io.*;
public class ReadFully {
private static final void testNegativeOffset() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, -1, buffer.length);
throw new RuntimeException("Test testNegativeOffset() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
private static final void testNegativeLength() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, 0, -1);
throw new RuntimeException("Test testNegativeLength() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
private static final void testNegativeOffsetZeroLength() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, -1, 0);
throw new RuntimeException("Test testNegativeOffsetZeroLength() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
private static final void testBigOffsetLength1() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, 0, buffer.length + 1);
throw new RuntimeException("Test testBigOffsetLength1() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
private static final void testBigOffsetLength2() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, 1, buffer.length);
throw new RuntimeException("Test testBigOffsetLength2() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
private static final void testBigOffsetLength3() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, buffer.length, 1);
throw new RuntimeException("Test testBigOffsetLength3() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
private static final void testBigOffsetLength4() throws Exception {
File file = new File(System.getProperty("test.src"),
"ReadFully.java");
try (FileInputStream in = new FileInputStream(file);
DataInputStream dis = new DataInputStream(in);) {
byte[] buffer = new byte[100];
dis.readFully(buffer, buffer.length + 1, 0);
throw new RuntimeException("Test testBigOffsetLength4() failed");
} catch (IndexOutOfBoundsException ignore) {
}
}
public static final void main(String[] args) throws Exception {
testNegativeOffset();
testNegativeLength();
testNegativeOffsetZeroLength();
testBigOffsetLength1();
testBigOffsetLength2();
testBigOffsetLength3();
testBigOffsetLength4();
}
}
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