| /* |
| * Copyright (c) 2001, 2016, 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 8065570 |
| * @summary Unit test for X-Buffer.order methods |
| */ |
| |
| import java.nio.*; |
| |
| |
| public class Order { |
| |
| static final ByteOrder be = ByteOrder.BIG_ENDIAN; |
| static final ByteOrder le = ByteOrder.LITTLE_ENDIAN; |
| static final ByteOrder nord = ByteOrder.nativeOrder(); |
| |
| protected static final int LENGTH = 16; |
| |
| static void ck(ByteOrder ord, ByteOrder expected) { |
| if (ord != expected) |
| throw new RuntimeException("Got " + ord + ", expected " + expected); |
| } |
| |
| private static void ckViews(ByteBuffer bb) { |
| ck(bb.asCharBuffer().order(), bb.order()); |
| ck(bb.asShortBuffer().order(), bb.order()); |
| ck(bb.asIntBuffer().order(), bb.order()); |
| ck(bb.asLongBuffer().order(), bb.order()); |
| ck(bb.asFloatBuffer().order(), bb.order()); |
| ck(bb.asDoubleBuffer().order(), bb.order()); |
| } |
| |
| private static void ckCopyViews(ByteBuffer bb) { |
| ck(bb.asReadOnlyBuffer().order(), be); |
| ck(bb.duplicate().order(), be); |
| ck(bb.slice().order(), be); |
| } |
| |
| private static void ckByteBuffer(ByteBuffer bb) { |
| ckViews(bb); |
| ckCopyViews(bb); |
| bb.order(be); |
| ckViews(bb); |
| ckCopyViews(bb); |
| bb.order(le); |
| ckViews(bb); |
| ckCopyViews(bb); |
| } |
| |
| public static void main(String args[]) throws Exception { |
| |
| ck(ByteBuffer.wrap(new byte[LENGTH], LENGTH/2, LENGTH/2).order(), be); |
| ck(ByteBuffer.wrap(new byte[LENGTH]).order(), be); |
| ck(ByteBuffer.wrap(new byte[LENGTH], LENGTH/2, LENGTH/2).order(be).order(), be); |
| ck(ByteBuffer.wrap(new byte[LENGTH]).order(be).order(), be); |
| ck(ByteBuffer.wrap(new byte[LENGTH], LENGTH/2, LENGTH/2).order(le).order(), le); |
| ck(ByteBuffer.wrap(new byte[LENGTH]).order(le).order(), le); |
| ck(ByteBuffer.allocate(LENGTH).order(), be); |
| ck(ByteBuffer.allocateDirect(LENGTH).order(), be); |
| ck(ByteBuffer.allocate(LENGTH).order(be).order(), be); |
| ck(ByteBuffer.allocate(LENGTH).order(le).order(), le); |
| ck(ByteBuffer.allocateDirect(LENGTH).order(be).order(), be); |
| ck(ByteBuffer.allocateDirect(LENGTH).order(le).order(), le); |
| |
| ckByteBuffer(ByteBuffer.allocate(LENGTH)); |
| ckByteBuffer(ByteBuffer.allocateDirect(LENGTH)); |
| |
| OrderChar.ckCharBuffer(); |
| OrderShort.ckShortBuffer(); |
| OrderInt.ckIntBuffer(); |
| OrderLong.ckLongBuffer(); |
| OrderFloat.ckFloatBuffer(); |
| OrderDouble.ckDoubleBuffer(); |
| } |
| } |