59 lines
1.9 KiB
Java
59 lines
1.9 KiB
Java
/*
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* Copyright (c) 2001, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 4430395
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* @summary Checks if write(int) properly pads unwritten bits with zeros
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*/
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStream;
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import javax.imageio.stream.FileCacheImageOutputStream;
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public class BitPadding {
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public static void main(String[] args) throws IOException {
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OutputStream ostream = new ByteArrayOutputStream();
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File f = null;
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FileCacheImageOutputStream fcios =
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new FileCacheImageOutputStream(ostream, f);
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fcios.writeBit(1);
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fcios.write(96);
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fcios.seek(0);
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int r1 = fcios.read();
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if (r1 != 128 ) {
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throw new RuntimeException("Failed, first byte is " + r1);
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}
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int r2 = fcios.read();
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if (r2 != 96) {
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throw new RuntimeException("Failed, second byte is " + r2);
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}
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}
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}
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