52 lines
1.9 KiB
Java
52 lines
1.9 KiB
Java
/*
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* Copyright (c) 2001, 2007, 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 4490253 6535542
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* @summary Verify that newly allocated direct buffers are initialized.
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*/
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import java.nio.ByteBuffer;
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public class AllocateDirectInit {
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public static void main(String [] args){
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for (int i = 0; i < 1024; i++) {
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ByteBuffer bb = ByteBuffer.allocateDirect(1024);
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// printByteBuffer(bb);
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for (bb.position(0); bb.position() < bb.limit(); ) {
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if ((bb.get() & 0xff) != 0)
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throw new RuntimeException("uninitialized buffer, position = "
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+ bb.position());
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}
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}
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}
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private static void printByteBuffer(ByteBuffer bb) {
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System.out.print("byte [");
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for (bb.position(0); bb.position() < bb.limit(); )
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System.out.print(" " + Integer.toHexString(bb.get() & 0xff));
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System.out.println(" ]");
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}
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}
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