* Added ReadOnlyChannelBufferTest
* Added ReadOnlyChannelBuffer.toByteBuffers
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@ -146,7 +146,7 @@ public class ReadOnlyChannelBuffer extends AbstractChannelBuffer implements Wrap
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}
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}
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public ChannelBuffer copy(int index, int length) {
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public ChannelBuffer copy(int index, int length) {
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return new ReadOnlyChannelBuffer(buffer.copy(index, length));
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return buffer.copy(index, length);
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}
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}
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public ChannelBuffer slice(int index, int length) {
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public ChannelBuffer slice(int index, int length) {
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@ -177,6 +177,15 @@ public class ReadOnlyChannelBuffer extends AbstractChannelBuffer implements Wrap
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return buffer.toByteBuffer(index, length).asReadOnlyBuffer();
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return buffer.toByteBuffer(index, length).asReadOnlyBuffer();
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}
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}
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@Override
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public ByteBuffer[] toByteBuffers(int index, int length) {
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ByteBuffer[] bufs = buffer.toByteBuffers(index, length);
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for (int i = 0; i < bufs.length; i ++) {
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bufs[i] = bufs[i].asReadOnlyBuffer();
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}
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return bufs;
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}
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public String toString(int index, int length, String charsetName) {
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public String toString(int index, int length, String charsetName) {
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return buffer.toString(index, length, charsetName);
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return buffer.toString(index, length, charsetName);
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}
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}
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@ -0,0 +1,194 @@
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/*
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* JBoss, Home of Professional Open Source
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*
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* Copyright 2008, Red Hat Middleware LLC, and individual contributors
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* by the @author tags. See the COPYRIGHT.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jboss.netty.buffer;
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import static org.easymock.EasyMock.*;
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import static org.jboss.netty.buffer.ChannelBuffers.*;
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import static org.junit.Assert.*;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.nio.ByteBuffer;
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import java.nio.channels.GatheringByteChannel;
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import java.nio.channels.ScatteringByteChannel;
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import org.junit.Test;
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/**
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* @author The Netty Project (netty-dev@lists.jboss.org)
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* @author Trustin Lee (tlee@redhat.com)
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*
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* @version $Rev$, $Date$
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*
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*/
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public class ReadOnlyChannelBufferTest {
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@Test(expected = NullPointerException.class)
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public void shouldNotAllowNullInConstructor() {
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new ReadOnlyChannelBuffer(null);
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}
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@Test
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public void testUnmodifiableBuffer() {
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assertTrue(ChannelBuffers.unmodifiableBuffer(ChannelBuffers.buffer(1)) instanceof ReadOnlyChannelBuffer);
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}
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@Test
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public void testUnwrap() {
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ChannelBuffer buf = ChannelBuffers.buffer(1);
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assertSame(buf, ((WrappedChannelBuffer) ChannelBuffers.unmodifiableBuffer(buf)).unwrap());
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}
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@Test
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public void shouldHaveSameByteOrder() {
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ChannelBuffer buf = ChannelBuffers.buffer(ChannelBuffers.LITTLE_ENDIAN, 1);
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assertSame(ChannelBuffers.LITTLE_ENDIAN, ChannelBuffers.unmodifiableBuffer(buf).order());
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}
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@Test
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public void shouldReturnReadOnlyDerivedBuffer() {
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ChannelBuffer buf = ChannelBuffers.unmodifiableBuffer(ChannelBuffers.buffer(1));
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assertTrue(buf.duplicate() instanceof ReadOnlyChannelBuffer);
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assertTrue(buf.slice() instanceof ReadOnlyChannelBuffer);
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assertTrue(buf.slice(0, 1) instanceof ReadOnlyChannelBuffer);
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assertTrue(buf.duplicate() instanceof ReadOnlyChannelBuffer);
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}
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@Test
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public void shouldReturnWritableCopy() {
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ChannelBuffer buf = ChannelBuffers.unmodifiableBuffer(ChannelBuffers.buffer(1));
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assertFalse(buf.copy() instanceof ReadOnlyChannelBuffer);
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}
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@Test
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public void shouldForwardReadCallsBlindly() throws Exception {
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ChannelBuffer buf = createStrictMock(ChannelBuffer.class);
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expect(buf.readerIndex()).andReturn(0).anyTimes();
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expect(buf.writerIndex()).andReturn(0).anyTimes();
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expect(buf.capacity()).andReturn(0).anyTimes();
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expect(buf.getBytes(1, (GatheringByteChannel) null, 2)).andReturn(3);
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buf.getBytes(4, (OutputStream) null, 5);
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buf.getBytes(6, (byte[]) null, 7, 8);
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buf.getBytes(9, (ChannelBuffer) null, 10, 11);
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buf.getBytes(12, (ByteBuffer) null);
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expect(buf.getByte(13)).andReturn(Byte.valueOf((byte) 14));
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expect(buf.getShort(15)).andReturn(Short.valueOf((short) 16));
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expect(buf.getUnsignedMedium(17)).andReturn(18);
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expect(buf.getInt(19)).andReturn(20);
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expect(buf.getLong(21)).andReturn(22L);
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ByteBuffer bb = ByteBuffer.allocate(100);
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ByteBuffer[] bbs = new ByteBuffer[] { ByteBuffer.allocate(101), ByteBuffer.allocate(102) };
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expect(buf.toByteBuffer(23, 24)).andReturn(bb);
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expect(buf.toByteBuffers(25, 26)).andReturn(bbs);
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expect(buf.toString(27, 28, "29")).andReturn("30");
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expect(buf.capacity()).andReturn(31);
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replay(buf);
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ChannelBuffer roBuf = unmodifiableBuffer(buf);
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assertEquals(3, roBuf.getBytes(1, (GatheringByteChannel) null, 2));
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roBuf.getBytes(4, (OutputStream) null, 5);
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roBuf.getBytes(6, (byte[]) null, 7, 8);
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roBuf.getBytes(9, (ChannelBuffer) null, 10, 11);
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roBuf.getBytes(12, (ByteBuffer) null);
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assertEquals((byte) 14, roBuf.getByte(13));
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assertEquals((short) 16, roBuf.getShort(15));
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assertEquals(18, roBuf.getUnsignedMedium(17));
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assertEquals(20, roBuf.getInt(19));
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assertEquals(22L, roBuf.getLong(21));
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ByteBuffer roBB = roBuf.toByteBuffer(23, 24);
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assertEquals(100, roBB.capacity());
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assertTrue(roBB.isReadOnly());
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ByteBuffer[] roBBs = roBuf.toByteBuffers(25, 26);
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assertEquals(2, roBBs.length);
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assertEquals(101, roBBs[0].capacity());
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assertTrue(roBBs[0].isReadOnly());
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assertEquals(102, roBBs[1].capacity());
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assertTrue(roBBs[1].isReadOnly());
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assertEquals("30", roBuf.toString(27, 28, "29"));
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assertEquals(31, roBuf.capacity());
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verify(buf);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectDiscardReadBytes() {
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unmodifiableBuffer(EMPTY_BUFFER).discardReadBytes();
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetByte() {
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unmodifiableBuffer(EMPTY_BUFFER).setByte(0, (byte) 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetShort() {
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unmodifiableBuffer(EMPTY_BUFFER).setShort(0, (short) 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetMedium() {
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unmodifiableBuffer(EMPTY_BUFFER).setMedium(0, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetInt() {
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unmodifiableBuffer(EMPTY_BUFFER).setInt(0, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetLong() {
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unmodifiableBuffer(EMPTY_BUFFER).setLong(0, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetBytes1() throws IOException {
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unmodifiableBuffer(EMPTY_BUFFER).setBytes(0, (InputStream) null, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetBytes2() throws IOException {
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unmodifiableBuffer(EMPTY_BUFFER).setBytes(0, (ScatteringByteChannel) null, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetBytes3() {
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unmodifiableBuffer(EMPTY_BUFFER).setBytes(0, (byte[]) null, 0, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetBytes4() {
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unmodifiableBuffer(EMPTY_BUFFER).setBytes(0, (ChannelBuffer) null, 0, 0);
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}
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@Test(expected = UnsupportedOperationException.class)
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public void shouldRejectSetBytes5() {
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unmodifiableBuffer(EMPTY_BUFFER).setBytes(0, (ByteBuffer) null);
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}
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}
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