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.extensions.euphoria.core.client.util;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import java.io.IOException;
  import java.util.Arrays;
  import java.util.stream.Stream;
  import org.apache.beam.sdk.extensions.euphoria.core.util.IOUtils;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Test behavior of IOUtils. */
  @RunWith(JUnit4.class)
  public class IOUtilsTest {
  
    @Test(expected = IOException.class)
    public void testOneIOException() throws IOException {
      IOUtils.forEach(
          Arrays.asList(1, 2, 3),
          i -> {
            if (i == 2) {
              throw new IOException("Number: " + i);
            }
          });
    }
  
    @Test
    public void testSuppressedIOException() {
      try {
        IOUtils.forEach(
            Arrays.asList(1, 2, 3),
            i -> {
              throw new IOException("Number: " + i);
            });
      } catch (Exception e) {
        // two suppressed exceptions and one thrown
        assertEquals(2, e.getSuppressed().length);
        assertTrue(e instanceof IOException);
        assertEquals("Number: 1", e.getMessage());
      }
    }
  
    @Test(expected = IOException.class)
    public void testStreamIOException() throws IOException {
      IOUtils.forEach(
          Stream.of(1, 2, 3),
          i -> {
            if (i == 2) {
              throw new IOException("Number: " + i);
            }
          });
    }
  }
  