try {
      in.copyTo(out);
      fail();
    } catch (IOException expected) {
      return CloserTest.getSuppressed(expected).length;
    }
    throw new AssertionError(); // can't happen
  }

  private static CharSource newNormalCharSource() {
    return CharSource.wrap("ABC");
  }

  private static CharSink newNormalCharSink() {
    return new CharSink() {
      @Override

  public void testRemovalNotification_clear_basher() throws InterruptedException {
    // If a clear() happens close to the end of computation, one of two things should happen:
    // - computation ends first: the removal listener is called, and the cache does not contain the
    //   key/value pair
    // - clear() happens first: the removal listener is not called, and the cache contains the pair

    assertThrows(IllegalArgumentException.class, () -> multiset.add(KEY, COUNT_TO_ADD));
  }

  /**
   * Simulate some of the races that can happen on add. We can't easily simulate the race that
   * happens when an {@link AtomicInteger#compareAndSet} fails, but we can simulate the case where
   * the putIfAbsent returns a non-null value, and the case where the replace() of an observed zero
   * fails.

    @Override
    public Appendable append(CharSequence csq) {
      result.append(csq);
      return this;
    }

    @Override
    public Appendable append(char c) {
      result.append(c);
      return this;
    }

    @Override
    public Appendable append(CharSequence csq, int start, int end) {
      result.append(csq, start, end);
      return this;
    }

    @Override

        appendable.append(joiner.toString(entry.getKey()));
        appendable.append(keyValueSeparator);
        appendable.append(joiner.toString(entry.getValue()));
        while (parts.hasNext()) {
          appendable.append(joiner.separator);
          Entry<?, ?> e = parts.next();
          appendable.append(joiner.toString(e.getKey()));
          appendable.append(keyValueSeparator);

      toString = result;
    }
    return result;
  }

  private String computeToString() {
    StringBuilder builder = new StringBuilder().append(type).append('/').append(subtype);
    if (!parameters.isEmpty()) {
      builder.append("; ");
      Multimap<String, String> quotedParameters =
          Multimaps.transformValues(
              parameters,
              (String value) ->

    // Double.toString(Math.PI).length() == 17
    StringBuilder b = new StringBuilder((17 + 2) * (iMax + 1));
    b.append('[');
    for (int i = 0; ; i++) {
      b.append(longBitsToDouble(longs.get(i)));
      if (i == iMax) {
        return b.append(']').toString();
      }
      b.append(',').append(' ');
    }
  }

  /**
   * Saves the state to a stream (that is, serializes it).
   *

      switch (cbuf[pos]) {
        case '\r':
          line.append(cbuf, start, pos - start);
          sawReturn = true;
          if (pos + 1 < end) {
            if (finishLine(cbuf[pos + 1] == '\n')) {
              pos++;
            }
          }
          start = pos + 1;
          break;

        case '\n':
          line.append(cbuf, start, pos - start);
          finishLine(true);

    /* The following fails to compile:
     *
     * The method append(Iterable<? extends FluentIterableTest.A>) in the type
     * FluentIterable<FluentIterableTest.A> is not applicable for the arguments
     * (Iterable<FluentIterableTest.B>)
     */
    // FluentIterable.from(aIterable).append(bIterable);

    /* The following fails to compile:
     *

      }

      @Override
      public String getExpected(String data) {
        /*
         * Get what the byte sink factory would expect for no written bytes, then append expected
         * string to that.
         */
        byte[] factoryExpectedForNothing = factory.getExpected(new byte[0]);
        return new String(factoryExpectedForNothing, Charsets.UTF_8) + checkNotNull(data);