try {
      Ascii.truncate("foobar", 2, "...");
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {
      Ascii.truncate("foobar", 8, "1234567890");
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {
      Ascii.truncate("foobar", -1, "...");
      fail();
    } catch (IllegalArgumentException expected) {
    }

    try {

                return values().asList().get(index + 1);
              });
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceAll_unsupportedNoOpFunction() {
    try {
      getMap().replaceAll((K k, V v) -> v);
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

    try {
      return MessageDigest.getInstance(algorithmName);
    } catch (NoSuchAlgorithmException e) {
      throw new AssertionError(e);
    }
  }

  @Override
  public Hasher newHasher() {
    if (supportsClone) {
      try {
        return new MessageDigestHasher((MessageDigest) prototype.clone(), bytes);
      } catch (CloneNotSupportedException e) {
        // falls through
      }
    }

    try {
      Iterator<E> iterator = collection.iterator();
      assertTrue(collection.removeIf(Predicate.isEqual(samples.e0())));
      iterator.next();
      fail("Expected ConcurrentModificationException");
    } catch (ConcurrentModificationException expected) {
      // success
    }
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)
  public void testRemoveIf_unsupportedEmptyCollection() {

      fail("expected to be interrupted");
    } catch (InterruptedException expected) {
    } catch (TimeoutException e) {
      throw new RuntimeException(e);
    }

    // we were interrupted, but it's been cleared now
    assertFalse(Thread.interrupted());

    assertFalse(sleeper.completed);
    try {
      assertTrue(delayedFuture.get());
    } catch (InterruptedException e) {

      stopwatch.start();
      fail();
    } catch (IllegalStateException expected) {
    }
    assertTrue(stopwatch.isRunning());
  }

  public void testStop() {
    stopwatch.start();
    assertSame(stopwatch, stopwatch.stop());
    assertFalse(stopwatch.isRunning());
  }

  public void testStop_new() {
    try {
      stopwatch.stop();
      fail();
    } catch (IllegalStateException expected) {
    }

   * you may wish to override {@link #offer} to forward to this implementation.
   *
   * @since 7.0
   */
  protected boolean standardOffer(@ParametricNullness E e) {
    try {
      return add(e);
    } catch (IllegalStateException caught) {
      return false;
    }
  }

  /**
   * A sensible definition of {@link #peek} in terms of {@link #element}. If you override {@link

   */
  public static void close(@CheckForNull Closeable closeable, boolean swallowIOException)
      throws IOException {
    if (closeable == null) {
      return;
    }
    try {
      closeable.close();
    } catch (IOException e) {
      if (swallowIOException) {
        logger.log(Level.WARNING, "IOException thrown while closing Closeable.", e);
      } else {
        throw e;
      }
    }
  }

  /**

      try {
        try {
          urls.add(new File(entry).toURI().toURL());
        } catch (SecurityException e) { // File.toURI checks to see if the file is a directory
          urls.add(new URL("file", null, new File(entry).getAbsolutePath()));
        }
      } catch (MalformedURLException e) {
        AssertionError error = new AssertionError("malformed class path entry: " + entry);

   */
  @Override
  public void testRemove() {
    final Map<String, Collection<Integer>> map;
    final String keyToRemove;
    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    keyToRemove = map.keySet().iterator().next();
    if (supportsRemove) {
      int initialSize = map.size();
      map.get(keyToRemove);