TestAutoExpandingBufferWriteTransport.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.thrift.transport;

import java.nio.ByteBuffer;

import junit.framework.TestCase;

public class TestAutoExpandingBufferWriteTransport extends TestCase {

  public void testIt() throws Exception {
    AutoExpandingBufferWriteTransport t = new AutoExpandingBufferWriteTransport(1, 1.5);
    assertEquals(1, t.getBuf().array().length);
    byte[] b1 = new byte[]{1,2,3};
    t.write(b1);
    assertEquals(3, t.getPos());
    assertTrue(t.getBuf().array().length >= 3);
    assertEquals(ByteBuffer.wrap(b1), ByteBuffer.wrap(t.getBuf().array(), 0, 3));

    t.reset();
    assertTrue(t.getBuf().array().length >= 3);
    assertEquals(0, t.getPos());
    byte[] b2 = new byte[]{4,5};
    t.write(b2);
    assertEquals(2, t.getPos());
    assertEquals(ByteBuffer.wrap(b2), ByteBuffer.wrap(t.getBuf().array(), 0, 2));
  }
}