Function<String, @Nullable Integer> function = Functions.forMap(map, 42);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(42, function.apply("Two").intValue());
    assertEquals(3, function.apply("Three").intValue());
    assertNull(function.apply("Null"));

    new EqualsTester()
        .addEqualityGroup(function, Functions.forMap(map, 42))
        .addEqualityGroup(Functions.forMap(map))

    byte[] dest = new byte[4];
    HashCode.fromInt(42).writeBytesTo(dest, 0, 4);
    assertTrue(Arrays.equals(HashCode.fromInt(42).asBytes(), dest));
  }

  public void testLongWriteBytesTo() {
    byte[] dest = new byte[8];
    HashCode.fromLong(42).writeBytesTo(dest, 0, 8);
    assertTrue(Arrays.equals(HashCode.fromLong(42).asBytes(), dest));
  }

  private static final HashCode HASH_ABCD =

        assertEquals("", result.get());
    }

    public void test_ofNullable_withInteger() {
        Integer testValue = 42;
        OptionalEntity<Integer> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(Integer.valueOf(42), result.get());
    }

    public void test_ofNullable_withNullInteger() {
        Integer testValue = null;

    byte[] dest = new byte[4];
    HashCode.fromInt(42).writeBytesTo(dest, 0, 4);
    assertTrue(Arrays.equals(HashCode.fromInt(42).asBytes(), dest));
  }

  public void testLongWriteBytesTo() {
    byte[] dest = new byte[8];
    HashCode.fromLong(42).writeBytesTo(dest, 0, 8);
    assertTrue(Arrays.equals(HashCode.fromLong(42).asBytes(), dest));
  }

  private static final HashCode HASH_ABCD =

    Function<String, @Nullable Integer> function = Functions.forMap(map, 42);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(42, function.apply("Two").intValue());
    assertEquals(3, function.apply("Three").intValue());
    assertNull(function.apply("Null"));

    new EqualsTester()
        .addEqualityGroup(function, Functions.forMap(map, 42))
        .addEqualityGroup(Functions.forMap(map))

        rawtypeToWildcard(MinMaxPriorityQueue.maximumSize(42)).create();
    assertEquals(11, queue.capacity());
    assertEquals(42, queue.maximumSize);
    checkNatural(queue);
  }

  public void testCreation_comparator_maximumSize() {
    MinMaxPriorityQueue<Integer> queue =
        MinMaxPriorityQueue.orderedBy(SOME_COMPARATOR).maximumSize(42).create();
    assertEquals(11, queue.capacity());

        // andxOffset (ignored when 0xFF)
        buf[36] = 0;
        buf[37] = 0;
        // byteCount at index start + 1 + wordCount*2 = 33 + 1 + 8 = 42
        ServerMessageBlock.writeInt2(20, buf, 42);

        int len = block.decode(buf, 0);
        assertTrue(len > 0);
        assertEquals(4, block.wordCount);
        assertNull(block.andx);
    }

    @Test

            availField.setAccessible(true);
            availField.setInt(resp, 42);
            return resp;
        }).when(tree).send(any(TransPeekNamedPipe.class), any(TransPeekNamedPipeResponse.class), eq(RequestParam.NO_RETRY));

        int available = stream.available();
        assertEquals(42, available, "Should return available bytes reported by SMB1 peek");

        verify(fd, never()).markClosed();

            buffer = new DfsReferralRequestBuffer(path, maxReferralLevel);

            assertNotNull(buffer);
            // Verify through encode since there are no getters
            int expectedSize = 4 + 2 * path.length();
            assertEquals(expectedSize, buffer.size());
        }

        @Test
        @DisplayName("Should create buffer with empty path")
        void testConstructorWithEmptyPath() {

        doThrow(new SmbException("capability check failed")).when(transport).hasCapability(eq(42));
        SmbException ex = assertThrows(SmbException.class, () -> transport.hasCapability(42));
        assertTrue(ex.getMessage().contains("failed"));
        verify(transport).hasCapability(42);
    }

    // Edge: disconnected status toggles
    @ParameterizedTest