assertFalse(writer.closed());
    source.copyTo(writer);
    assertFalse(writer.closed());
  }

  public void testClosesOnErrors_copyingToCharSinkThatThrows() {
    for (TestOption option : EnumSet.of(OPEN_THROWS, WRITE_THROWS, CLOSE_THROWS)) {
      TestCharSource okSource = new TestCharSource(STRING);
      assertThrows(IOException.class, () -> okSource.copyTo(new TestCharSink(option)));

      TestCharSource failSource = new TestCharSource(STRING, option);
      TestCharSink okSink = new TestCharSink();
      assertThrows(IOException.class, () -> failSource.copyTo(okSink));
      // ensure writer was closed IF it was opened (depends on implementation whether or not it's
      // opened at all if source.newReader() throws).
      assertTrue(

   *       one with {@link CharSequence#charAt(int)}.
   *   <li>use {@link Appendable#append(CharSequence)} in {@link #copyTo(Appendable)} and {@link
   *       #copyTo(CharSink)}. We know this is correct since strings are immutable and so the length
   *       can't change, and it is faster because many writers and appendables are optimized for

    val entry = ZipEntry(entryName)
    entry.time = zipEntryBaseTimestamp
    putNextEntry(entry)
    BufferedInputStream(FileInputStream(sourceFile)).use { inputStream -> inputStream.copyTo(this) }
    closeEntry()
}


fun File.getClassSuperTypes(): Set<String> {
    if (!path.endsWith(".class")) {
        throw IllegalArgumentException("Not a class file: $path")
    }

    assertThat(fluent(1, 3, 5).copyInto(Lists.newArrayList(1, 2)))
        .containsExactly(1, 2, 1, 3, 5)
        .inOrder();
  }

  public void testCopyInto_set() {
    assertThat(fluent(1, 3, 5).copyInto(newHashSet(1, 2))).containsExactly(1, 2, 3, 5);
  }

  public void testCopyInto_setAllDuplicates() {
    assertThat(fluent(1, 3, 5).copyInto(newHashSet(1, 2, 3, 5))).containsExactly(1, 2, 3, 5);
  }

  }

  @Override
  @J2ktIncompatible // Incompatible return type change. Use inherited (unoptimized) implementation
  public Object[] toArray() {
    Object[] copyTo = new Object[size];
    arraycopy(queue, 0, copyTo, 0, size);
    return copyTo;
  }

  /**
   * Returns the comparator used to order the elements in this queue. Obeys the general contract of

  }

  @Override
  @J2ktIncompatible // Incompatible return type change. Use inherited (unoptimized) implementation
  public Object[] toArray() {
    Object[] copyTo = new Object[size];
    arraycopy(queue, 0, copyTo, 0, size);
    return copyTo;
  }

  /**
   * Returns the comparator used to order the elements in this queue. Obeys the general contract of