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.chemistry.opencmis.server.impl;
  
  import static org.junit.Assert.fail;
  
  import java.io.ByteArrayInputStream;
  
  import org.apache.chemistry.opencmis.server.shared.CappedInputStream;
  import org.junit.Test;
  
  public class CappedInputStreamTest {
  
      @Test
      public void testStream1() {
          baseTest(64 * 1024, 10 * 1024, 1000, 60 * 1024, true);
      }
  
      @Test
      public void testStream2() {
          baseTest(64 * 1024, 10 * 1024, 1000, 2000, false);
      }
  
      @Test
      public void testStream3() {
          baseTest(100, 20, 0, 79, true);
      }
  
      @Test
      public void testStream4() {
          baseTest(100, 20, 10, 89, true);
      }
  
      @Test
      public void testStream5() {
          baseTest(100, 20, 0, 30, false);
      }
  
      @Test
      public void testStream6() {
          baseTest(100, 20, 19, 99, true);
      }
  
      private void baseTest(int bufferSize, int max, int goodBegin, int goodEnd, boolean success) {
          byte[] byteBuffer = new byte[bufferSize];
          for (int i = 0; i < byteBuffer.length; i++) {
              byteBuffer[i] = (byte) (i >= goodBegin && i <= goodEnd ? 1 : 0);
          }
  
          // test read with buffer
          ByteArrayInputStream originStream = new ByteArrayInputStream(byteBuffer);
  
          try {
              CappedInputStream stream = new CappedInputStream(originStream, max);
  
              int b = 0;
              byte[] buffer = new byte[10];
              while ((b = stream.read(buffer)) > -1) {
                  int counter = 0;
  
                  for (int i = 0; i < b; i++) {
                      if (buffer[i] == 1) {
                          counter++;
                      }
                  }
  
                  stream.deductBytes(counter);
              }
  
              stream.close();
          } catch (Exception e) {
              if (success) {
                  fail();
              }
          }
  
          // test single byte read
          originStream = new ByteArrayInputStream(byteBuffer);
  
          try {
              CappedInputStream stream = new CappedInputStream(originStream, max);
  
              int b = 0;
              while ((b = stream.read()) > -1) {
                  if (b == 1) {
                      stream.deductBytes(1);
                  }
              }
  
              stream.close();
          } catch (Exception e) {
              if (success) {
                  fail();
              }
          }
      }
  }
  