// Verify that the string part ends with the null terminator
        assertArrayEquals(expectedString, subArray(buffer, 1, expectedString.length));
        assertEquals(0, buffer[1 + expectedString.length], "String must be null terminated");
    }

    @Test
    @DisplayName("toString includes command name and filename")
    void testToStringIncludesInformation() {
        String str = cmd.toString();

    String testString = "abcdefgh";
    CharSource source = newCharSource(testString);
    Reader joinedReader = CharSource.concat(source, source).openStream();

    String expectedString = testString + testString;
    assertEquals(expectedString, CharStreams.toString(joinedReader));
  }

  private static CharSource newCharSource(String text) {
    return new CharSource() {
      @Override
      public Reader openStream() {

        referral.resolveHashes = true;

        // When
        String expectedString =
                "DfsReferral[pathConsumed=20,server=testServer,share=testShare,link=testLink,path=/test/path,ttl=300,expiration=1234567890,resolveHashes=true]";
        String actualString = referral.toString();

        // Then
        assertEquals(expectedString, actualString, "The toString method should return the expected string representation.");
    }