FileSizeFormat format = new FileSizeFormat();

        long negativeSize = -100L;
        assertThrows(IllegalArgumentException.class, () -> format.format(negativeSize));
    }

    @Test
    void testSize() {
        FileSizeFormat format = new FileSizeFormat();

        assertEquals("0 B", format.format(0L));
        assertEquals("5 B", format.format(5L));
        assertEquals("10 B", format.format(10L));

        UnsignedLong unsignedSub = aUnsigned.minus(bUnsigned);
        assertThat(unsignedSub.longValue()).isEqualTo(expected);
      }
    }
  }

  public void testTimes() {
    for (long a : TEST_LONGS) {
      for (long b : TEST_LONGS) {
        UnsignedLong aUnsigned = UnsignedLong.fromLongBits(a);
        UnsignedLong bUnsigned = UnsignedLong.fromLongBits(b);
        long expected =

        list.addLast("1");
        list.addLast("2");
        assertThat(list.getLast(), is("2"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSize() throws Exception {
        assertThat(list.size(), is(0));
        list.addLast("1");
        assertThat(list.size(), is(1));
        list.removeFirst();
        assertThat(list.size(), is(0));
    }

        }
    }

    @Nested
    @DisplayName("Size Tests")
    class SizeTests {

        @Test
        @DisplayName("Should return constant size of 24 bytes")
        void testSize() {
            lock = new Smb2Lock(100L, 200L, Smb2Lock.SMB2_LOCKFLAG_SHARED_LOCK);

            assertEquals(24, lock.size());
        }

        @ParameterizedTest

          }
        });
    assertExpectedBytes(out.toByteArray());
  }

  public void testIsEmpty() throws IOException {
    assertEquals(expected.length == 0, source.isEmpty());
  }

  public void testSize() throws IOException {
    assertEquals(expected.length, source.size());
  }

  public void testSizeIfKnown() throws IOException {
    Optional<Long> sizeIfKnown = source.sizeIfKnown();

        assertEquals(FileInformation.FILE_ENDOFFILE_INFO, info.getFileInformationLevel());
    }

    @Test
    @DisplayName("Test size method returns 8")
    void testSize() {
        assertEquals(8, fileInfo.size());

        // Test with different instance
        FileEndOfFileInformation info = new FileEndOfFileInformation(999L);
        assertEquals(8, info.size());
    }

  }

  public void testIsEmpty() {
    assertTrue(table.isEmpty());
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertFalse(table.isEmpty());
  }

  public void testSize() {
    assertSize(0);
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');
    assertSize(3);
  }

  public void testEquals() {
    table = create("foo", 1, 'a', "bar", 1, 'b', "foo", 3, 'c');

        // Then
        assertTrue(isCancel, "Should identify itself as a cancel request");
    }

    @Test
    @DisplayName("Test size calculation")
    void testSize() {
        // Given
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, 1L, 0L);

        // When
        int size = request.size();

        // Then

      writer.write(buf, 0, read);
    }
    reader.close();
    writer.close();

    assertTrue(source.wasStreamClosed());
    assertThat(writer.toString()).isEqualTo(STRING);
  }

  public void testLines() throws IOException {
    source = new TestCharSource(LINES);

    ImmutableList<String> lines;
    try (Stream<String> linesStream = source.lines()) {
      assertTrue(source.wasStreamOpened());

    void testInitialIndexNumber() {
        assertEquals(0L, fileInternalInfo.getIndexNumber());
    }

    @Test
    @DisplayName("Test size method returns 8")
    void testSize() {
        assertEquals(8, fileInternalInfo.size());
    }

    @Test
    @DisplayName("Test decode with valid data")
    void testDecodeWithValidData() throws SMBProtocolDecodingException {