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.values;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNotEquals;
  
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link EncodableThrowable}. */
  @RunWith(JUnit4.class)
  public final class EncodableThrowableTest {
    @Test
    public void testEquals() {
      IllegalStateException exception =
          new IllegalStateException(
              "Some illegal state",
              new RuntimeException(
                  "Some nested exception", new Exception("Deeply nested exception")));
  
      EncodableThrowable comparable1 = EncodableThrowable.forThrowable(exception);
      EncodableThrowable comparable2 = EncodableThrowable.forThrowable(exception);
      assertEquals(comparable1, comparable2);
    }
  
    @Test
    @SuppressWarnings("JUnitIncompatibleType")
    public void testEqualsNonComparable() {
      assertNotEquals(new Throwable(), EncodableThrowable.forThrowable(new Exception()));
    }
  
    @Test
    public void testEqualsDifferentUnderlyingTypes() {
      String message = "some message";
      assertNotEquals(
          EncodableThrowable.forThrowable(new RuntimeException(message)),
          EncodableThrowable.forThrowable(new Exception(message)));
    }
  }
  