}
  }

  public void testParent() {
    assertEquals("com", InternetDomainName.from("google.com").parent().toString());
    assertEquals("uk", InternetDomainName.from("co.uk").parent().toString());
    assertEquals("google.com", InternetDomainName.from("www.google.com").parent().toString());

    try {
      InternetDomainName.from("com").parent();
      fail("'com' should throw ISE on .parent() call");

      return delegate.getId();
    }

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

  private interface Equals {
    @Override
    boolean equals(@Nullable Object obj);

    @Override
    int hashCode();

    @Override
    String toString();
  }

  private static class NoDelegateToEquals implements Equals {

        setupEpg(_epgMap, et -> ((FileConfig) et).getIncludedDocPaths(),
                (et, vl) -> ((FileConfig) et).setIncludedDocPaths(DfTypeUtil.toString(vl)), "includedDocPaths");
        setupEpg(_epgMap, et -> ((FileConfig) et).getIncludedPaths(),
                (et, vl) -> ((FileConfig) et).setIncludedPaths(DfTypeUtil.toString(vl)), "includedPaths");

    joiner.appendTo(sb1FromIterable, parts);
    assertEquals("x" + expected, sb1FromIterable.toString());

    StringBuilder sb1FromIterator = new StringBuilder().append('x');
    joiner.appendTo(sb1FromIterator, parts.iterator());
    assertEquals("x" + expected, sb1FromIterator.toString());

    Integer[] partsArray = Lists.newArrayList(parts).toArray(new Integer[0]);

    assertEquals(knownOutput, HashCode.fromBytes(mac.doFinal()).toString());
    assertEquals(knownOutput, HashCode.fromBytes(mac.doFinal(input.getBytes(UTF_8))).toString());
    assertEquals(knownOutput, Hashing.hmacMd5(MD5_KEY).hashString(input, UTF_8).toString());
    assertEquals(knownOutput, Hashing.hmacMd5(MD5_KEY).hashBytes(input.getBytes(UTF_8)).toString());
  }

  public void testKnownInputs_mixedAlgorithms() throws Exception {

    assertEquals(jvmType1.toString(), ourType1.toString());
    assertEquals(jvmType2.toString(), ourType2.toString());
  }

  public void testNewArrayTypeOfArray() {
    Type jvmType = new TypeCapture<int[][]>() {}.capture();
    Type ourType = Types.newArrayType(int[].class);
    assertEquals(jvmType.toString(), ourType.toString());

      assertThat(unsignedValue.toString()).isEqualTo(unsignedValue.bigIntegerValue().toString());
    }
  }

  @GwtIncompatible // too slow
  public void testToStringRadix() {
    for (int radix = Character.MIN_RADIX; radix <= Character.MAX_RADIX; radix++) {
      for (long l : TEST_LONGS) {
        UnsignedLong value = UnsignedLong.fromLongBits(l);

            result.setExcludedPaths(DfTypeUtil.toString(source.get("excludedPaths")));
            result.setIncludedDocPaths(DfTypeUtil.toString(source.get("includedDocPaths")));
            result.setIncludedPaths(DfTypeUtil.toString(source.get("includedPaths")));
            result.setIntervalTime(DfTypeUtil.toInteger(source.get("intervalTime")));

@GwtCompatible
@ElementTypesAreNonnullByDefault
public final class Functions {
  private Functions() {}

  /**
   * A function equivalent to the method reference {@code Object::toString}, for users not yet using
   * Java 8. The function simply invokes {@code toString} on its argument and returns the result. It
   * throws a {@link NullPointerException} on null input.
   *

    assertTrue(range.hasUpperBound());
    assertEquals(8, (int) range.upperEndpoint());
    assertEquals(OPEN, range.upperBoundType());
    assertFalse(range.isEmpty());
    assertEquals("(4..8)", range.toString());
    reserializeAndAssert(range);
  }

  public void testOpen_invalid() {
    try {
      Range.open(4, 3);
      fail();
    } catch (IllegalArgumentException expected) {
    }
    try {