| /* |
| * 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); |
| } |
| } |
| } |