return INT_TO_STRING_MAP.values().iterator();
              }
            },
            Functions.forMap(INT_TO_STRING_MAP.inverse()));
    assertEquals(INT_TO_STRING_MAP, outputMap);
  }

  public void testUniqueIndexIterator() {
    ImmutableMap<Integer, String> outputMap =
        Maps.uniqueIndex(

                return INT_TO_STRING_MAP.values().iterator();
              }
            },
            Functions.forMap(INT_TO_STRING_MAP.inverse()));
    assertEquals(INT_TO_STRING_MAP, outputMap);
  }

  public void testUniqueIndexIterator() {
    ImmutableMap<Integer, String> outputMap =
        Maps.uniqueIndex(

    assertEquals("[yam, bam, jam, ham]", Iterators.toString(iterator));
  }

  public void testToStringWithNull() {
    Iterator<@Nullable String> iterator =
        Lists.<@Nullable String>newArrayList("hello", null, "world").iterator();
    assertEquals("[hello, null, world]", Iterators.toString(iterator));
  }

  public void testToStringEmptyIterator() {

          @Override
          public String load(Integer key) throws Exception {
            if (count.getAndIncrement() == 0) {
              throw e;
            }
            return key.toString();
          }
        };
    CountingRemovalListener<Integer, String> removalListener = countingRemovalListener();
    LoadingCache<Integer, String> cache =

        throw new InterruptedException();
      }
      remainingNanos = endNanos - System.nanoTime();
    }

    String futureToString = toString();
    final String unitString = unit.toString().toLowerCase(Locale.ROOT);
    String message = "Waited " + timeout + " " + unit.toString().toLowerCase(Locale.ROOT);
    // Only report scheduling delay if larger than our spin threshold - otherwise it's just noise

    }

    Object delegate() {
      return delegate;
    }

    // No equals and hashCode; see ForwardingObject for details.

    @Override
    public String toString() {
      synchronized (mutex) {
        return delegate.toString();
      }
    }

    // Serialization invokes writeObject only when it's private.
    // The SynchronizedObject subclasses don't need a writeObject method since

          @Override
          public String load(Integer key) throws Exception {
            if (count.getAndIncrement() == 0) {
              throw e;
            }
            return key.toString();
          }
        };
    CountingRemovalListener<Integer, String> removalListener = countingRemovalListener();
    LoadingCache<Integer, String> cache =

      return sequence.toString();
    }

    @Override
    public String replaceFrom(CharSequence sequence, char replacement) {
      return sequence.toString();
    }

    @Override
    public String replaceFrom(CharSequence sequence, CharSequence replacement) {
      checkNotNull(replacement);
      return sequence.toString();
    }

    @Override

  public <T> void testToString() {
    assertEquals(String.class.getName(), new TypeToken<String>() {}.toString());
    assertEquals("T", TypeToken.of(new TypeCapture<T>() {}.capture()).toString());
    assertEquals("java.lang.String", new Entry<String, Integer>() {}.keyType().toString());
  }

  private static <K, V> TypeToken<Map<K, V>> mapOf(Class<K> keyType, Class<V> valueType) {

      writer.println("Expected no failures, but found:");
      for (AssertionError failure : failures) {
        failure.printStackTrace(writer);
      }
      failures.clear();
      assertWithMessage(message.toString()).fail();
    }
  }

  static final class TestCloseable implements Closeable {
    private final CountDownLatch latch = new CountDownLatch(1);
    private final String name;