assertThat(map.putInstance(Integer.class, 1)).isNull();
    assertEquals(2, map.size());

    assertEquals(0, (int) map.getInstance(int.class));
    assertEquals(1, (int) map.getInstance(Integer.class));

    assertEquals(0, (int) map.putInstance(int.class, null));
    assertEquals(1, (int) map.putInstance(Integer.class, null));

    assertThat(map.getInstance(int.class)).isNull();

        // Assert
        assertNotNull(returned, "Returned options should not be null");
        assertEquals("true", returned.get("useKeyTab"));
        assertEquals("true", returned.get("storeKey"));
        assertEquals("******@****.***", returned.get("principal"));
        // Ensure no unexpected extra options
        assertEquals(3, returned.size(), "Only provided options are expected");
    }

    @Test

        assertEquals(12, encoded.length, "Should be 4 (header) + 4 (data) + 4 (EOL)");

        // Check AvFlags header
        assertEquals(AvPair.MsvAvFlags, SMBUtil.readInt2(encoded, 0), "First pair type should be MsvAvFlags");
        assertEquals(4, SMBUtil.readInt2(encoded, 2), "First pair length should be 4");

        // Check AvFlags data

        when(mockNetbiosName.getName()).thenReturn(upperCase);
        assertEquals(upperCase, mockNetbiosName.getName());

        when(mockNetbiosName.getName()).thenReturn(lowerCase);
        assertEquals(lowerCase, mockNetbiosName.getName());

        when(mockNetbiosName.getName()).thenReturn(mixedCase);
        assertEquals(mixedCase, mockNetbiosName.getName());
    }

    @Test

        int bytesRead = notifyInfo.decode(buffer, 0, buffer.length);

        assertTrue(bytesRead > 0);
        assertEquals(0, notifyInfo.getNextEntryOffset()); // Single entry has 0 offset
        assertEquals(action, notifyInfo.getAction());
        assertEquals(fileName, notifyInfo.getFileName());
    }

    @Test
    @DisplayName("Test decode with multiple entries (non-zero next offset)")

            assertNotNull(uniAddress);
            assertEquals(inetAddress, uniAddress.getAddress());
        }

        @Test
        void shouldConstructWithNbtAddress() {
            NbtAddress nbtAddress = mock(NbtAddress.class);
            UniAddress uniAddress = new UniAddress(nbtAddress);
            assertNotNull(uniAddress);
            assertEquals(nbtAddress, uniAddress.getAddress());
        }

        @Test

        assertEquals(20, bytesRead);
        assertEquals(0x0010, response.getAttributes());
        // getLastWriteTime returns lastWriteTime (from readUTime) + serverTimeZoneOffset
        // readUTime multiplies the seconds value by 1000, and writeUTime divides milliseconds by 1000
        // So the round-trip should preserve the milliseconds value

            // Act & Assert
            // toString should reconstruct exact textual form
            assertEquals("S-1-5-21-1-2-3-1029", sid.toString());
            // RID is the last subauthority
            assertEquals(1029, sid.getRid());
            // getDomainSid should drop the last subauthority
            assertEquals("S-1-5-21-1-2-3", sid.getDomainSid().toString());
        }

        @Test

                assertEquals(allRecordCount, list.getAllRecordCount());
                assertEquals(100, list.getAllPageCount());
                assertEquals(1000, list.getCurrentEndRecordNumber());
                assertEquals(100, list.getCurrentPageNumber());
                assertEquals(991, list.getCurrentStartRecordNumber());
                assertEquals(0, list.getOffset());

        assertTrue(result.isHasRelevantResults());
        assertEquals(1, result.getRelevantDocIds().size());
        assertEquals("doc1", result.getRelevantDocIds().get(0));
        assertEquals(1, result.getRelevantIndexes().size());
        assertEquals(Integer.valueOf(1), result.getRelevantIndexes().get(0));
    }

    @Test
    public void test_withRelevantDocs_emptyLists() {