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   *  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
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   *
   *    https://www.apache.org/licenses/LICENSE-2.0
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  package org.apache.cayenne;
  
  import org.junit.Test;
  
  import java.io.PrintWriter;
  import java.io.StringWriter;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertNull;
  import static org.junit.Assert.assertSame;
  import static org.junit.Assert.assertTrue;
  
  public class CayenneRuntimeExceptionTest {
  
      @Test
      public void testConstructor1() {
          CayenneRuntimeException ex = new CayenneRuntimeException();
          assertNull(ex.getCause());
          assertTrue(ex.getMessage().startsWith(CayenneRuntimeException.getExceptionLabel()));
      }
  
      @Test
      public void testConstructor2() {
          CayenneRuntimeException ex = new CayenneRuntimeException("abc");
          assertNull(ex.getCause());
          assertEquals(CayenneRuntimeException.getExceptionLabel() + "abc", ex.getMessage());
      }
  
      @Test
      public void testConstructor3() {
          Throwable cause = new Throwable();
          CayenneRuntimeException ex = new CayenneRuntimeException(cause);
          assertSame(cause, ex.getCause());
          assertEquals(
                  CayenneRuntimeException.getExceptionLabel() + cause.toString(),
              ex.getMessage());
      }
  
      @Test
      public void testConstructor4() {
          Throwable cause = new Throwable();
          CayenneRuntimeException ex = new CayenneRuntimeException("abc", cause);
          assertSame(cause, ex.getCause());
          assertEquals(CayenneRuntimeException.getExceptionLabel() + "abc", ex.getMessage());
      }
  
      @Test
      public void testConstructorNullMessage() {
          Throwable cause = new Throwable();
  
          CayenneRuntimeException ex = new CayenneRuntimeException(null, cause);
          assertSame(cause, ex.getCause());
          assertEquals(CayenneRuntimeException.getExceptionLabel() + "(no message)", ex.getMessage());
          assertNull(ex.getUnlabeledMessage());
  
          CayenneRuntimeException ex2 = new CayenneRuntimeException((String)null);
          assertNull(ex2.getCause());
          assertEquals(CayenneRuntimeException.getExceptionLabel() + "(no message)", ex2.getMessage());
          assertNull(ex2.getUnlabeledMessage());
      }
  
      @Test
      public void testThrow1() {
          try {
              throw new CayenneRuntimeException();
          }
          catch (CayenneRuntimeException rtex) {
              StringWriter w = new StringWriter();
              rtex.printStackTrace(new PrintWriter(w));
          }
      }
  
      @Test
      public void testThrow2() {
          try {
              try {
                  throw new Throwable("Test Cause");
              }
              catch (Throwable th) {
                  throw new CayenneRuntimeException(th);
              }
          }
          catch (CayenneRuntimeException rtex) {
              StringWriter w = new StringWriter();
              rtex.printStackTrace(new PrintWriter(w));
          }
      }
  
      @Test
      public void testMessageFormatting1() {
          CayenneRuntimeException ex = new CayenneRuntimeException("x%sx%sx", "a", "b");
          assertEquals("xaxbx", ex.getUnlabeledMessage());
      }
  
      @Test
      public void testMessageFormatting2() {
          Throwable cause = new Throwable();
          CayenneRuntimeException ex = new CayenneRuntimeException("x%sx%sx", cause, "a", "b");
          assertEquals("xaxbx", ex.getUnlabeledMessage());
      }
  
  }
  