@SuppressWarnings("unused") // called by NullPointerTester
    public void checkArray(FromTo<String, FromTo<Integer, String>> f, String s) {
      calledWith(f, s);
    }

    void check() {
      runTester();
      FromTo<?, ?> defaultFunction = (FromTo<?, ?>) getDefaultParameterValue(0);
      FromTo<?, ?> returnValue = (FromTo<?, ?>) defaultFunction.apply(null);
      assertEquals("", returnValue.apply(null));
    }

        Hashing.hmacSha1(keyData).toString());

    assertEquals(
        "Hashing.hmacSha256(Key[algorithm=HmacSHA256, format=RAW])",
        Hashing.hmacSha256(SHA256_KEY).toString());
    assertEquals(
        "Hashing.hmacSha256(Key[algorithm=HmacSHA256, format=RAW])",
        Hashing.hmacSha256(keyData).toString());

    assertEquals(
        "Hashing.hmacSha512(Key[algorithm=HmacSHA512, format=RAW])",

      spec.refreshDuration = duration;
      spec.refreshTimeUnit = unit;
    }
  }

  private static String format(String format, Object... args) {
    return String.format(Locale.ROOT, format, args);
  }

    }
  }

  public void testVerify_complexMessage_success() {
    verify(true, "%s", IGNORE_ME);
  }

  public void testVerify_complexMessage_failure() {
    try {
      verify(false, FORMAT, 5);
      fail();
    } catch (VerifyException expected) {
      checkMessage(expected);
    }
  }

  private static final String NON_NULL_STRING = "foo";

  public void testVerifyNotNull_simple_success() {

    assertGoodFeatureEnum(CollectionSize.class);
    assertGoodFeatureEnum(MapFeature.class);
  }

  private static String rootLocaleFormat(String format, Object... args) {
    return String.format(Locale.ROOT, format, args);
  }

    }
  }

  private void expectReturnsTrue(Target target) {
    String message = Platform.format("retainAll(%s) should return true", target);
    assertTrue(message, collection.retainAll(target.toRetain));
  }

  private void expectReturnsFalse(Target target) {
    String message = Platform.format("retainAll(%s) should return false", target);
    assertFalse(message, collection.retainAll(target.toRetain));
  }

   * normal conditions.
   *
   * <p><b>Note:</b> For most string-formatting needs, use {@link String#format String.format},
   * {@link java.io.PrintWriter#format PrintWriter.format}, and related methods. These support the
   * full range of <a
   * href="https://docs.oracle.com/javase/9/docs/api/java/util/Formatter.html#syntax">format
   * specifiers</a>, and alert you to usage errors by throwing {@link
   * java.util.IllegalFormatException}.

  public static final byte BEL = 7;

  /**
   * Backspace ('\b'): A format effector which controls the movement of the printing position one
   * printing space backward on the same printing line. (Applicable also to display devices.)
   *
   * @since 8.0
   */
  public static final byte BS = 8;

  /**
   * Horizontal Tabulation ('\t'): A format effector which controls the movement of the printing

    if (spliterator.estimateSize() > originalSize) {
      fail(
          format(
              "estimated size of spliterator after trySplit (%s) is larger than original size (%s)",
              spliterator.estimateSize(), originalSize));
    }
    if (trySplit != null) {
      if (trySplit.estimateSize() > originalSize) {
        fail(
            format(

            ImmutableList.of("A", "A", "D", "E", "B", "C"));

    String format = "Adding %s at %s";
    for (int i = 0; i < toAdd.size(); i++) {
      int index = indexes.get(i);
      Iterable<String> iterableToAdd = toAdd.get(i);
      boolean expectedChanged = iterableToAdd.iterator().hasNext();
      assertWithMessage(format, iterableToAdd, index)
          .that(Lists.addAllImpl(toTest, index, iterableToAdd))