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    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.codec.delimited;
    21
    22  import static org.junit.Assert.assertEquals;
    23
    24  import java.nio.ByteBuffer;
    25  import java.util.LinkedList;
    26  import java.util.List;
    27
    28  import org.junit.Test;
    29
    30  /**
    31   * An abstract {@link SizePrefixedEncoder} and {@link SizePrefixedDecoder} test.
    32   *
    33   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    34   */
    35  public abstract class DelimitTest<T> {
    36
    37      public abstract List<T> getObjects();
    38
    39      protected abstract ByteBuffer delimitWithOriginal() throws Exception;
    40
    41      public abstract SizePrefixedEncoder<T> getSerializer() throws Exception;
    42
    43      final protected ByteBuffer delimitWithMina() throws Exception {
    44          SizePrefixedEncoder<T> pe = getSerializer();
    45
    46          List<ByteBuffer> buffers = new LinkedList<ByteBuffer>();
    47          for (T p : getObjects()) {
    48              buffers.add(pe.encode(p, null));
    49          }
    50
    51          int size = 0;
    52          for (ByteBuffer b : buffers) {
    53              size += b.remaining();
    54          }
    55
    56          ByteBuffer buffer = ByteBuffer.allocate(size);
    57          for (ByteBuffer b : buffers) {
    58              buffer.put(b);
    59          }
    60          buffer.flip();
    61          return buffer;
    62      }
    63
    64      @Test
    65      public void testDelimit() throws Exception {
    66          assertEquals(delimitWithOriginal(), delimitWithMina());
    67      }
    68
    69  }