private final CharBuffer cbuf = createBuffer();
  private final char[] buf = cbuf.array();

  private final Queue<String> lines = new ArrayDeque<>();
  private final LineBuffer lineBuf =
      new LineBuffer() {
        @Override
        protected void handleLine(String line, String end) {
          lines.add(line);
        }
      };

    /**
     * Test for the toString method.
     * It should return a string representation of the object.
     */
    @Test
    void testToString() {
        // The actual toString() method uses super.toString(), so we mimic that for the check.
        // A direct string comparison might be brittle, so we check for the class name and brackets.
        String actualString = response.toString();

        return this;
    }

    /**
     * Interpolates given {@code path}.
     *
     * @return absolute path or {@code null} if the input was {@code null}
     */
    public String interpolate(String path, ProfileActivationContext context) throws InterpolationException {
        if (path == null) {
            return null;
        }

        RegexBasedInterpolator interpolator = new RegexBasedInterpolator();

    }
  }

  @Test fun `octet string`() {
    val bytes = "0404030206A0".decodeHex()
    val octetString = "030206A0".decodeHex()
    assertThat(Adapters.OCTET_STRING.fromDer(bytes)).isEqualTo(octetString)
    assertThat(Adapters.OCTET_STRING.toDer(octetString)).isEqualTo(bytes)
  }

  @Test fun `cannot decode constructed octet string`() {

	o = msgp.Require(b, z.Msgsize())
	// map header, size 4
	// string "id"
	o = append(o, 0x84, 0xa2, 0x69, 0x64)
	o = msgp.AppendString(o, z.DiskID)
	// string "v"
	o = append(o, 0xa1, 0x76)
	o = msgp.AppendString(o, z.Volume)
	// string "fp"
	o = append(o, 0xa2, 0x66, 0x70)
	o = msgp.AppendString(o, z.FilePath)
	// string "fi"
	o = append(o, 0xa2, 0x66, 0x69)
	o, err = z.FI.MarshalMsg(o)

  }

  public void testRoundTrip() {
    for (ExpectedHashCode expected : expectedHashCodes) {
      String string = HashCode.fromBytes(expected.bytes).toString();
      assertThat(string).isEqualTo(expected.toString);
      assertThat(HashCode.fromBytes(BaseEncoding.base16().lowerCase().decode(string)).toString())
          .isEqualTo(expected.toString);
    }
  }

        assertNull(keyManager.getSessionKey(sessionId), "Should not retrieve removed key");
    }

    @Test
    public void testKeyIsolation() {
        String sessionId1 = "session-1";
        String sessionId2 = "session-2";

        byte[] key1 = new byte[16];
        byte[] key2 = new byte[16];
        new SecureRandom().nextBytes(key1);
        new SecureRandom().nextBytes(key2);

            MapProperty<String, String> replacementTokens = task.getReplacementTokens();
            Provider<String> buildTimestamp = moduleIdentity.getBuildTimestamp();
            DateTimeFormatter inputFormatter = DateTimeFormatter.ofPattern("yyyyMMddHHmmssZ");
            DateTimeFormatter outputFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");

  /* Thread names will look like {@code "MyService STARTING"}. */
  private final Supplier<String> threadNameSupplier = new ThreadNameSupplier();

  @WeakOuter
  private final class ThreadNameSupplier implements Supplier<String> {
    @Override
    public String get() {
      return serviceName() + " " + state();
    }
  }

  /* use AbstractService for state management */

                  @Override
                  protected Multiset<String> create(String[] elements) {
                    return new StandardImplForwardingSortedMultiset<>(
                        TreeMultiset.create(asList(elements)));
                  }

                  @Override
                  public List<String> order(List<String> insertionOrder) {