*
   * @param string a string reference to check
   * @return {@code true} if the string is null or is the empty string
   */
  public static boolean isNullOrEmpty(@CheckForNull String string) {
    return Platform.stringIsNullOrEmpty(string);
  }

  /**
   * Returns a string, of length at least {@code minLength}, consisting of {@code string} prepended

    private static final String SECRET_PATTERN = "^(smb.*:).*(@.*)$";
    private static final String SECRET_MASK_REPLACE = "$1******$2";

    /**
     * 
     */
    private Strings () {}


    /**
     * 
     * @param str
     * @param encoding
     * @return encoded
     */
    public static byte[] getBytes ( String str, Charset encoding ) {
        if ( str == null ) {

 */
package jcifs.tests;


/**
 * @author mbechler
 *
 */
public class Strings {

    /**
     * from http://www.cl.cam.ac.uk/~mgk25/ucs/examples/quickbrown.txt
     */
    static final String[] UNICODE_STRINGS = new String[] {
        "da - jordbær fløde på", // x
        "de - Zwölf Boxkämpfer", // x
        "el - Γαζέες καὶ μυρτιὲς", // x

   *
   * @param string a string reference to check
   * @return {@code true} if the string is null or is the empty string
   */
  public static boolean isNullOrEmpty(@CheckForNull String string) {
    return Platform.stringIsNullOrEmpty(string);
  }

  /**
   * Returns a string, of length at least {@code minLength}, consisting of {@code string} prepended

    queue = (BlockingQueue<String>) constructor.newInstance(capacity);

    strings = new String[capacity];
    for (int i = 0; i < capacity; i++) {
      strings[i] = String.valueOf(Math.random());
    }
  }

  @Benchmark
  void addsAndRemoves(int reps) {
    int capacity = this.capacity;
    BlockingQueue<String> queue = this.queue;
    String[] strings = this.strings;
    for (int i = 0; i < reps; i++) {

      }
    }

    String stringA = new String(charsA);
    String stringB = new String(charsB);
    assertThat(stringA).isNotEqualTo(stringB);
    assertThat(HASH_FN.hashUnencodedChars(stringA))
        .isNotEqualTo(HASH_FN.hashUnencodedChars(stringB));
    assertThat(fingerprint(stringA.getBytes(UTF_8)))
        .isNotEqualTo(fingerprint(stringB.getBytes(UTF_8)));

     * 
     * @return the caclulated mac
     */
    public static byte[] nTOWFv2 ( String domain, String username, byte[] passwordHash ) {
        MessageDigest hmac = Crypto.getHMACT64(passwordHash);
        hmac.update(Strings.getUNIBytes(username.toUpperCase()));
        hmac.update(Strings.getUNIBytes(domain));
        return hmac.digest();
    }


    /**
     * @param password

      }
    }

    String stringA = new String(charsA);
    String stringB = new String(charsB);
    assertThat(stringA).isNotEqualTo(stringB);
    assertThat(HASH_FN.hashUnencodedChars(stringA))
        .isNotEqualTo(HASH_FN.hashUnencodedChars(stringB));
    assertThat(fingerprint(stringA.getBytes(UTF_8)))
        .isNotEqualTo(fingerprint(stringB.getBytes(UTF_8)));

    assertNull(Strings.emptyToNull(null));
    assertNull(Strings.emptyToNull(""));
    assertEquals("a", Strings.emptyToNull("a"));
  }

  public void testIsNullOrEmpty() {
    assertTrue(Strings.isNullOrEmpty(null));
    assertTrue(Strings.isNullOrEmpty(""));
    assertFalse(Strings.isNullOrEmpty("a"));
  }

  public void testPadStart_noPadding() {
    assertSame("", Strings.padStart("", 0, '-'));

    String[] array = new String[elements.length];
    int i = 0;
    for (Object e : elements) {
      array[i++] = (String) e;
    }
    return create(array);
  }

  protected abstract Queue<String> create(String[] elements);

  @Override
  public String[] createArray(int length) {
    return new String[length];
  }

  /** Returns the original element list, unchanged. */
  @Override