checkHashCode(cartesianProduct(set(1), set(2, num)));
    checkHashCode(cartesianProduct(set(1, num), set(2, num - 1)));
    checkHashCode(cartesianProduct(set(1, num), set(2, num - 1), set(3, num + 1)));

    // a bigger one
    checkHashCode(
        cartesianProduct(set(1, num, num + 1), set(2), set(3, num + 2), set(4, 5, 6, 7, 8)));
  }

  public void testPowerSetEmpty() {

if not "%JAVA_HOME%" == "" goto OkJHome

echo. >&2
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo. >&2
goto error

:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init

echo. >&2
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2

| xlHeader       | [4]byte        | `'X', 'L', '2', ' '`
| xlVersionMajor | uint16         | Major xl-meta version.
| xlVersionMinor | uint16         | Minor xl-meta version.
| xlMetaV2       | msgp bin array | Bin array with serialized metadata
| crc            | msgp uint      | Lower 32 bits of 64 bit xxhash of previous array contents (v1.2+ only)

    assertEquals(list.get(size - 1), copy.get(size - 1));
    assertEquals(list.get(1), tail.get(0));
    assertEquals(list.get(size - 1), tail.get(size - 2));
    assertEquals(list.get(0), head.get(0));
    assertEquals(list.get(size - 2), head.get(size - 2));
    for (List<E> subList : asList(copy, head, tail)) {
      for (int index : asList(-1, subList.size())) {

    assertEquals(list.get(size - 1), copy.get(size - 1));
    assertEquals(list.get(1), tail.get(0));
    assertEquals(list.get(size - 1), tail.get(size - 2));
    assertEquals(list.get(0), head.get(0));
    assertEquals(list.get(size - 2), head.get(size - 2));
    for (List<E> subList : asList(copy, head, tail)) {
      for (int index : asList(-1, subList.size())) {

    checkNonNegative("exponent", k);
    if (-2 <= b && b <= 2) {
      switch ((int) b) {
        case 0:
          return (k == 0) ? 1 : 0;
        case 1:
          return 1;
        case (-1):
          return ((k & 1) == 0) ? 1 : -1;
        case 2:
          return (k < Long.SIZE) ? 1L << k : 0;
        case (-2):
          if (k < Long.SIZE) {

        SMBUtil.writeInt2(this.negotiated.getNegotiatedSendBufferSize(), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(this.negotiated.getNegotiatedMpxCount(), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt2(getConfig().getVcNumber(), dst, dstIndex);
        dstIndex += 2;
        SMBUtil.writeInt4(this.negotiated.getNegotiatedSessionKey(), dst, dstIndex);
        dstIndex += 4;

	{dataBlocks: 4, onDisks: 8, offDisks: 2, blocksize: int64(blockSizeV2), data: oneMiByte, offset: 2, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false},                 // 2

    assertThat(formatDuration(-3_000_000_000L)).isEqualTo(" -3 s ")
    assertThat(formatDuration(-2_500_000_000L)).isEqualTo(" -3 s ")
    assertThat(formatDuration(-2_499_999_999L)).isEqualTo(" -2 s ")
    assertThat(formatDuration(-1_500_000_000L)).isEqualTo(" -2 s ")
    assertThat(formatDuration(-1_499_999_999L)).isEqualTo(" -1 s ")
    assertThat(formatDuration(-1_000_000_000L)).isEqualTo(" -1 s ")

                                                <label for="bulkFile" class="mb-2 mr-2"><la:message
                                                        key="labels.backup_bulk_file"/></label>
                                                <div class="mb-2 mr-sm-2"><input type="file" id="bulkFile"
                                                                                 name="bulkFile"