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.beam.sdk.util;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  
  import java.io.ByteArrayInputStream;
  import org.junit.Before;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Unit tests for {@link UnownedInputStream}. */
  @RunWith(JUnit4.class)
  public class UnownedInputStreamTest {
    @Rule public ExpectedException expectedException = ExpectedException.none();
    private ByteArrayInputStream bais;
    private UnownedInputStream os;
  
    @Before
    public void setup() {
      bais = new ByteArrayInputStream(new byte[] {1, 2, 3});
      os = new UnownedInputStream(bais);
    }
  
    @Test
    public void testHashCodeEqualsAndToString() throws Exception {
      assertEquals(bais.hashCode(), os.hashCode());
      assertEquals("UnownedInputStream{in=" + bais + "}", os.toString());
      assertEquals(new UnownedInputStream(bais), os);
    }
  
    @Test
    public void testClosingThrows() throws Exception {
      expectedException.expect(UnsupportedOperationException.class);
      expectedException.expectMessage("Caller does not own the underlying");
      expectedException.expectMessage("close()");
      os.close();
    }
  
    @Test
    public void testMarkThrows() throws Exception {
      assertFalse(os.markSupported());
      expectedException.expect(UnsupportedOperationException.class);
      expectedException.expectMessage("Caller does not own the underlying");
      expectedException.expectMessage("mark()");
      os.mark(1);
    }
  
    @Test
    public void testResetThrows() throws Exception {
      expectedException.expect(UnsupportedOperationException.class);
      expectedException.expectMessage("Caller does not own the underlying");
      expectedException.expectMessage("reset()");
      os.reset();
    }
  }
  