/*
* Copyright 1999-2011 Alibaba Group.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.dubbo.common.serialize.dubbo;
import java.io.IOException;
import junit.framework.TestCase;
import com.alibaba.dubbo.common.io.UnsafeByteArrayInputStream;
import com.alibaba.dubbo.common.io.UnsafeByteArrayOutputStream;
import com.alibaba.dubbo.common.serialize.DataInput;
import com.alibaba.dubbo.common.serialize.DataOutput;
import com.alibaba.dubbo.common.serialize.support.dubbo.GenericDataInput;
import com.alibaba.dubbo.common.serialize.support.dubbo.GenericDataOutput;
public class DataInputOutputTest extends TestCase
{
private static final String SMALL_STRING = DataInputOutputTest.class.getName(), BIG_STREAM = "1234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789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0";
private static final byte[] SMALL_BYTES = SMALL_STRING.getBytes(), BIG_BYTES = BIG_STREAM.getBytes();
public void testMain() throws Exception
{
// write.
UnsafeByteArrayOutputStream os = new UnsafeByteArrayOutputStream();
DataOutput cos = new GenericDataOutput(os);
writeTest(cos);
// read.
byte[] b = os.toByteArray();
DataInput cis = new GenericDataInput(new UnsafeByteArrayInputStream(b));
readTest(cis);
}
private void writeTest(DataOutput out) throws IOException
{
out.writeShort((short)'a');
out.writeShort((short)-1);
out.writeShort((short)1234);
out.writeInt(0x22);
out.writeInt(-0x22);
out.writeInt(0x2222);
out.writeInt(-0x2222);
out.writeInt(0x222222);
out.writeInt(-0x222222);
out.writeInt(0x22222222);
out.writeInt(-0x22222222);
out.writeLong(0x22);
out.writeLong(-0x22);
out.writeLong(0x2222);
out.writeLong(-0x2222);
out.writeLong(0x222222);
out.writeLong(-0x222222);
out.writeLong(0x22222222);
out.writeLong(-0x22222222);
out.writeLong(0x2222222222l);
out.writeLong(-0x2222222222l);
out.writeLong(0x222222222222l);
out.writeLong(-0x222222222222l);
out.writeLong(0x22222222222222l);
out.writeLong(-0x22222222222222l);
out.writeLong(0x2222222222222222l);
out.writeLong(-0x2222222222222222l);
out.writeDouble(1212.454);
out.writeBytes(SMALL_BYTES);
out.writeUTF(SMALL_STRING);
out.writeBytes(BIG_BYTES);
out.flushBuffer();
}
private void readTest(DataInput in) throws IOException
{
assertEquals(in.readShort(), 'a');
assertEquals(in.readShort(), -1);
assertEquals(in.readShort(), 1234);
assertEquals(in.readInt(), 0x22);
assertEquals(in.readInt(), -0x22);
assertEquals(in.readInt(), 0x2222);
assertEquals(in.readInt(), -0x2222);
assertEquals(in.readInt(), 0x222222);
assertEquals(in.readInt(), -0x222222);
assertEquals(in.readInt(), 0x22222222);
assertEquals(in.readInt(), -0x22222222);
assertEquals(in.readLong(), 0x22);
assertEquals(in.readLong(), -0x22);
assertEquals(in.readLong(), 0x2222);
assertEquals(in.readLong(), -0x2222);
assertEquals(in.readLong(), 0x222222);
assertEquals(in.readLong(), -0x222222);
assertEquals(in.readLong(), 0x22222222);
assertEquals(in.readLong(), -0x22222222);
assertEquals(in.readLong(), 0x2222222222l);
assertEquals(in.readLong(), -0x2222222222l);
assertEquals(in.readLong(), 0x222222222222l);
assertEquals(in.readLong(), -0x222222222222l);
assertEquals(in.readLong(), 0x22222222222222l);
assertEquals(in.readLong(), -0x22222222222222l);
assertEquals(in.readLong(), 0x2222222222222222l);
assertEquals(in.readLong(), -0x2222222222222222l);
assertEquals(in.readDouble(), 1212.454);
assertSameArray(in.readBytes(), SMALL_BYTES);
assertEquals(in.readUTF(), SMALL_STRING);
assertSameArray(in.readBytes(), BIG_BYTES);
}
private static void assertSameArray(byte[] b1, byte[] b2)
{
assertEquals(b1.length, b2.length);
for(int i=0;i<b1.length;i++)
assertEquals(b1[i], b2[i]);
}
}