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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.thrift.transport;
import java.nio.ByteBuffer;
import org.junit.Test;
import static org.junit.Assert.*;
public class TestAutoExpandingBufferWriteTransport {
@Test
public void testIt() throws Exception {
AutoExpandingBufferWriteTransport t = new AutoExpandingBufferWriteTransport(1, 0);
assertEquals(0, t.getLength());
assertEquals(1, t.getBuf().array().length);
byte[] b1 = new byte[]{1,2,3};
t.write(b1);
assertEquals(3, t.getLength());
assertTrue(t.getBuf().array().length >= 3);
assertEquals(ByteBuffer.wrap(b1), ByteBuffer.wrap(t.getBuf().array(), 0, 3));
t.reset();
assertEquals(0, t.getLength());
assertTrue(t.getBuf().array().length >= 3);
byte[] b2 = new byte[]{4,5};
t.write(b2);
assertEquals(2, t.getLength());
assertEquals(ByteBuffer.wrap(b2), ByteBuffer.wrap(t.getBuf().array(), 0, 2));
AutoExpandingBufferWriteTransport uut = new AutoExpandingBufferWriteTransport(8, 4);
assertEquals(4, uut.getLength());
assertEquals(8, uut.getBuf().array().length);
uut.write(b1);
assertEquals(7, uut.getLength());
assertEquals(8, uut.getBuf().array().length);
assertEquals(ByteBuffer.wrap(b1), ByteBuffer.wrap(uut.getBuf().array(), 4, 3));
}
@Test(expected = IllegalArgumentException.class)
public void testBadInitialSize() throws IllegalArgumentException {
new AutoExpandingBufferWriteTransport(0, 0);
}
@Test(expected = IllegalArgumentException.class)
public void testBadFrontReserveSize() throws IllegalArgumentException {
new AutoExpandingBufferWriteTransport(4, -1);
}
@Test(expected = IllegalArgumentException.class)
public void testTooSmallFrontReserveSize() throws IllegalArgumentException {
new AutoExpandingBufferWriteTransport(4, 5);
}
}
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