/*
    * 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.commons.fileupload2.core;
  
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.io.ByteArrayInputStream;
  import java.io.InputStream;
  
  import org.junit.jupiter.api.Test;
  
  /**
   * Unit tests {@link MultipartInput}.
   */
  public class MultipartStreamTest {
  
      static private final String BOUNDARY_TEXT = "myboundary";
  
      @Test
      public void testSmallBuffer() {
          final var strData = "foobar";
          final var contents = strData.getBytes();
          final InputStream input = new ByteArrayInputStream(contents);
          final var boundary = BOUNDARY_TEXT.getBytes();
          final var iBufSize = 1;
          assertThrows(IllegalArgumentException.class, () -> MultipartInput.builder().setInputStream(input).setBoundary(boundary).setBufferSize(iBufSize)
                  .setProgressNotifier(new MultipartInput.ProgressNotifier(null, contents.length)).get());
      }
  
      @Test
      public void testThreeParamConstructor() throws Exception {
          final var strData = "foobar";
          final var contents = strData.getBytes();
          final InputStream input = new ByteArrayInputStream(contents);
          final var boundary = BOUNDARY_TEXT.getBytes();
          final var iBufSize = boundary.length + MultipartInput.BOUNDARY_PREFIX.length + 1;
          final var ms = MultipartInput.builder().setInputStream(input).setBoundary(boundary).setBufferSize(iBufSize)
                  .setProgressNotifier(new MultipartInput.ProgressNotifier(null, contents.length)).get();
          assertNotNull(ms);
      }
  
      @Test
      public void testTwoParamConstructor() throws Exception {
          final var strData = "foobar";
          final var contents = strData.getBytes();
          final InputStream input = new ByteArrayInputStream(contents);
          final var boundary = BOUNDARY_TEXT.getBytes();
          final var ms = MultipartInput.builder().setInputStream(input).setBoundary(boundary)
                  .setProgressNotifier(new MultipartInput.ProgressNotifier(null, contents.length)).get();
          assertNotNull(ms);
      }
  
  }