content: /*
   * 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.kafka.common.message;
  
  import org.apache.kafka.common.protocol.ByteBufferAccessor;
  
  import org.junit.jupiter.api.Test;
  
  import java.nio.ByteBuffer;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  public class SimpleArraysMessageTest {
      @Test
      public void testArrayBoundsChecking() {
          // SimpleArraysMessageData takes 2 arrays
          final ByteBuffer buf = ByteBuffer.wrap(new byte[] {
              (byte) 0x7f, // Set size of first array to 126 which is larger than the size of this buffer
              (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
          });
          final SimpleArraysMessageData out = new SimpleArraysMessageData();
          ByteBufferAccessor accessor = new ByteBufferAccessor(buf);
          assertEquals("Tried to allocate a collection of size 126, but there are only 7 bytes remaining.",
                  assertThrows(RuntimeException.class, () -> out.read(accessor, (short) 2)).getMessage());
      }
  
      @Test
      public void testArrayBoundsCheckingOtherArray() {
          // SimpleArraysMessageData takes 2 arrays
          final ByteBuffer buf = ByteBuffer.wrap(new byte[] {
              (byte) 0x01, // Set size of first array to 0
              (byte) 0x7e, // Set size of second array to 125 which is larger than the size of this buffer
              (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
          });
          final SimpleArraysMessageData out = new SimpleArraysMessageData();
          ByteBufferAccessor accessor = new ByteBufferAccessor(buf);
          assertEquals("Tried to allocate a collection of size 125, but there are only 6 bytes remaining.",
                  assertThrows(RuntimeException.class, () -> out.read(accessor, (short) 2)).getMessage());
      }
  }
  