assertEquals(0x9999999999999999L, HashCode.fromBytesNoCopy(byteArrayWith9s(8)).padToLong());
  }

  private static byte[] byteArrayWith9s(int size) {
    byte[] bytez = new byte[size];
    Arrays.fill(bytez, (byte) 0x99);
    return bytez;
  }

  public void testToString() {
    byte[] data = new byte[] {127, -128, 5, -1, 14};
    assertThat(HashCode.fromBytes(data).toString()).isEqualTo("7f8005ff0e");

    assertThat(removalListener.getCount()).isEqualTo(1);

    // 2 will be cached
    assertThat(cache.getUnchecked(2)).isEqualTo(2);
    assertThat(cache.asMap().keySet()).containsExactly(2);

    CacheTesting.processPendingNotifications(cache);
    CacheTesting.checkValidState(cache);
    assertThat(removalListener.getCount()).isEqualTo(1);

    // 4 will be cached
    assertThat(cache.getUnchecked(4)).isEqualTo(4);

    // We consider elementData(index) a "hole", and we want to fill it
    // with the last element of the heap, toTrickle.
    // Since the last element of the heap is from the bottom level, we
    // optimistically fill index position with elements from lower levels,
    // moving the hole down. In most cases this reduces the number of
    // comparisons with toTrickle, but in some cases we will need to bubble it
    // all the way up again.

        generator.task = new Tuple3<>("generator1", "docid1", "path1");
        thumbnailManager.add(generator);

        Map<String, Object> docMap = new HashMap<>();
        docMap.put("_id", "docid1");

        // Fill the queue
        thumbnailManager.offer(docMap);

        // Try to add another - should succeed (warning logged but still returns true)
        Map<String, Object> docMap2 = new HashMap<>();

 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *

    void testWriteSetupWireFormatPreservesBuffer() {
        notifyChange = new NtTransNotifyChange(mockConfig, 0x1234, FILE_NOTIFY_CHANGE_FILE_NAME, false);
        byte[] dst = new byte[20];

        // Fill buffer with test pattern
        for (int i = 0; i < dst.length; i++) {
            dst[i] = (byte) (i & 0xFF);
        }

        int startIndex = 5;

	// diskFillFraction is the fraction of a disk we allow to be filled.
	diskFillFraction = 0.99

	// diskReserveFraction is the fraction of a disk where we will fill other server pools first.
	// If all pools reach this, we will use all pools with regular placement.
	diskReserveFraction = 0.15

	// diskAssumeUnknownSize is the size to assume when an unknown size upload is requested.
	diskAssumeUnknownSize = 1 << 30

    void testDecodeDataIntegrity() throws SMBProtocolDecodingException {
        // Prepare buffer with specific pattern
        byte[] buffer = new byte[32];
        byte[] expectedData = new byte[16];

        // Fill data section with pattern
        for (int i = 0; i < 16; i++) {
            expectedData[i] = (byte) (0xA0 + i);
            buffer[16 + i] = expectedData[i];
        }

        // Set header values

    void testInitDefaultsWithPresetMachineId() throws Exception {
        BaseConfiguration testConfig = new BaseConfiguration(false);
        byte[] customMachineId = new byte[32];
        Arrays.fill(customMachineId, (byte) 0xFF);

        // Use reflection to set private field
        java.lang.reflect.Field machineIdField = BaseConfiguration.class.getDeclaredField("machineId");
        machineIdField.setAccessible(true);

            // Write valid response data
            SMBUtil.writeInt4(15, buffer, 0);
            SMBUtil.writeInt4(16384, buffer, 4);
            SMBUtil.writeInt4(245760, buffer, 8);
            // Fill rest with random data
            for (int i = 12; i < buffer.length; i++) {
                buffer[i] = (byte) (i % 256);
            }

            int bytesDecoded = response.decode(buffer, 0, buffer.length);