hasher = HASH_FN.newHasher();
    hasher.putDouble(0x0000000001000101d);
    assertEquals(0xcf54171253fdc198L, hasher.hash().asLong());
  }

  /** Convenience method to compute a fingerprint on a full bytes array. */
  private static long fingerprint(byte[] bytes) {
    return fingerprint(bytes, bytes.length);
  }

  /** Convenience method to compute a fingerprint on a subset of a byte array. */

      if (charBuffer.position() > 0) {
        // (2) There is room in the buffer. Move existing bytes to the beginning.
        Java8Compatibility.flip(charBuffer.compact());
      } else {
        // (3) Entire buffer is full, need bigger buffer.
        charBuffer = grow(charBuffer);
      }
    }

    // (1) Read more characters into free space at end of array.
    int limit = charBuffer.limit();

     * allowing the CAS below to succeed.
     */
    Thread currentThread = Thread.currentThread();
    if (!compareAndSet(null, currentThread)) {
      return; // someone else has run or is running.
    }

    boolean run = !isDone();
    T result = null;
    Throwable error = null;
    try {
      if (run) {
        result = runInterruptibly();

   *     null} is treated as the four-character string {@code "null"}.
   * @param args the arguments to be substituted into the message template. The first argument
   *     specified is substituted for the first occurrence of {@code "%s"} in the template, and so
   *     forth. A {@code null} argument is converted to the four-character string {@code "null"};

somebody, so managed to put it into one of the cupboards as she
fell past it.

  `Well!' thought Alice to herself, `after such a fall as this, I
shall think nothing of tumbling down stairs!  How brave they'll
all think me at home!  Why, I wouldn't say anything about it,
even if I fell off the top of the house!' (Which was very likely
true.)

  Down, down, down.  Would the fall NEVER come to an end!  `I

    Thread.currentThread().setContextClassLoader(NO_ATOMIC_FIELD_UPDATER);
    try {
      runTestMethod(NO_ATOMIC_FIELD_UPDATER);
      // TODO(lukes): assert that the logs are full of errors
    } finally {
      Thread.currentThread().setContextClassLoader(oldClassLoader);
    }
  }

  private void runTestMethod(ClassLoader classLoader) throws Exception {

    while ((line = lineReader.readLine()) != null) {
      result.add(line);
    }
    return result;
  }

  /**
   * Streams lines from a {@link Readable} object, stopping when the processor returns {@code false}
   * or all lines have been read and returning the result produced by the processor. Does not close
   * {@code readable}. Note that this method may not fully consume the contents of {@code readable}

   * place....)
   */

  /**
   * Ensures that {@code reference} is non-null, throwing a {@code VerifyException} with a default
   * message otherwise.
   *
   * @return {@code reference}, guaranteed to be non-null, for convenience
   * @throws VerifyException if {@code reference} is {@code null}
   * @see Preconditions#checkNotNull Preconditions.checkNotNull()
   */
  @CanIgnoreReturnValue

      assertThat(e).hasMessageThat().isEqualTo("null [b, d]");
    }
  }

  public void testCheckArgument_nullArgs_failure() {
    try {
      Preconditions.checkArgument(false, "A %s C %s E", null, null);
      fail("no exception thrown");
    } catch (IllegalArgumentException e) {
      assertThat(e).hasMessageThat().isEqualTo("A null C null E");
    }
  }

  public void testCheckArgument_notEnoughArgs_failure() {

   * implementation avoids a full iteration when the iterable is a {@link Multiset} or {@link Set}.
   *
   * <p><b>Java 8+ users:</b> In most cases, the {@code Stream} equivalent of this method is {@code
   * stream.filter(element::equals).count()}. If {@code element} might be null, use {@code
   * stream.filter(Predicate.isEqual(element)).count()} instead.
   *