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/*
* Copyright (c) 2001, 2017, 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 4430395
* @summary Checks if write(int) properly pads unwritten bits with zeros
*/
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import javax.imageio.stream.FileCacheImageOutputStream;
public class BitPadding {
public static void main(String[] args) throws IOException {
OutputStream ostream = new ByteArrayOutputStream();
File f = null;
FileCacheImageOutputStream fcios =
new FileCacheImageOutputStream(ostream, f);
fcios.writeBit(1);
fcios.write(96);
fcios.seek(0);
int r1 = fcios.read();
if (r1 != 128 ) {
throw new RuntimeException("Failed, first byte is " + r1);
}
int r2 = fcios.read();
if (r2 != 96) {
throw new RuntimeException("Failed, second byte is " + r2);
}
}
}
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