checkNotNull(separator);
    if (array.length == 0) {
      return "";
    }

    // For pre-sizing a builder, just get the right order of magnitude
    StringBuilder builder = new StringBuilder(array.length * 6);
    builder.append(array[0]);
    for (int i = 1; i < array.length; i++) {
      builder.append(separator).append(array[i]);
    }
    return builder.toString();
  }

                        }
                    } else if (value != null && value.getClass().isArray()) {
                        // Handle array values
                        StringBuilder arrayStr = new StringBuilder();
                        if (value instanceof String[]) {
                            String[] arr = (String[]) value;
                            for (int i = 0; i < arr.length; i++) {

        assertNotNull(deleteQuery);
    }

    @Test
    public void test_execute_withLongExceptionMessage() {
        // Create a very long exception message
        StringBuilder longMessage = new StringBuilder("Error: ");
        for (int i = 0; i < 100; i++) {
            longMessage.append("This is a very long error message part ").append(i).append(". ");
        }

        consumeSeparator(tokenizer, '=');
        String value;
        if (tokenizer.previewChar() == '"') {
          tokenizer.consumeCharacter('"');
          StringBuilder valueBuilder = new StringBuilder();
          while (tokenizer.previewChar() != '"') {
            if (tokenizer.previewChar() == '\\') {
              tokenizer.consumeCharacter('\\');

     * @return The display query.
     */
    protected String getDisplayQuery(final SearchForm form, final List<Map<String, String>> labelTypeItems) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(form.q);
        if (!form.fields.isEmpty() && form.fields.containsKey(LABEL_FIELD)) {
            final String[] values = form.fields.get(LABEL_FIELD);

            }
            for (Map.Entry<File, List<Error>> e : errors.entrySet()) {
                File file = e.getKey();
                List<Error> errorsForFile = e.getValue();

                StringBuilder sb = new StringBuilder();
                for (Error error : errorsForFile) {
                    sb.append("ERROR: " + file.getName() + ":" + error.lineNumber + " " + error.message + "\n    " + error.line + "\n");
                }

            fail("Should have caught as FessSystemException");
        }
    }

    @Test
    public void test_longMessageHandling() {
        // Test handling of long messages
        StringBuilder longMessage = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longMessage.append("Long message part ").append(i).append(" ");
        }
        String message = longMessage.toString();

    }

    String string = sequence.toString();
    int pos = indexIn(string);
    if (pos == -1) {
      return string;
    }

    int len = string.length();
    StringBuilder buf = new StringBuilder((len * 3 / 2) + 16);

    int oldpos = 0;
    do {
      buf.append(string, oldpos, pos);
      buf.append(replacement);
      oldpos = pos + 1;
      pos = indexIn(string, oldpos);

        sb.append(o);
      }
    }
    return sb.append(']').toString();
  }

  /** Returns best-effort-sized StringBuilder based on the given collection size. */
  static StringBuilder newStringBuilderForCollection(int size) {
    checkNonnegative(size, "size");
    return new StringBuilder((int) min(size * 8L, Ints.MAX_POWER_OF_TWO));
  }

  /**

    checkNotNull(separator);
    if (array.length == 0) {
      return "";
    }

    // For pre-sizing a builder, just get the right order of magnitude
    StringBuilder builder = new StringBuilder(array.length * 5);
    builder.append(array[0]);
    for (int i = 1; i < array.length; i++) {
      builder.append(separator).append(array[i]);
    }
    return builder.toString();
  }