src[srcIndex + 16] = 0x00;
        src[srcIndex + 17] = 0x04; // 00000100 - B-node, active

        // P-node (01)
        System.arraycopy("PNODE           ".getBytes("US-ASCII"), 0, src, srcIndex + 19, 16);
        src[srcIndex + 34] = 0x00;
        src[srcIndex + 35] = 0x24; // 00100100 - P-node, active

        // M-node (10)

        });
    }

    @Test
    public void testValidArrayAllocation() throws Exception {
        validator.validateArrayAllocation(100, 10, 1000);
        validator.validateArrayAllocation(0, 10, 1000); // Zero size should be allowed
    }

    @Test
    public void testArrayAllocationNegativeSize() throws Exception {
        assertThrows(SmbException.class, () -> {

    }

    @ParameterizedTest
    @DisplayName("Test range validation")
    @CsvSource({ "50, 0, 100, true", "0, 0, 100, true", "100, 0, 100, true", "-1, 0, 100, false", "101, 0, 100, false" })
    void testRangeValidation(long value, long min, long max, boolean valid) {
        if (valid) {
            assertDoesNotThrow(() -> InputValidator.validateRange(value, min, max, "test"));
        } else {

    }

    @Test
    @DisplayName("Should check capability correctly")
    void testHaveCapability() throws Exception {
        // Given
        setPrivateField(response, "commonCapabilities", 0x2F); // 0010 1111

        // Then
        assertTrue(response.haveCapabilitiy(0x01)); // Has this bit
        assertTrue(response.haveCapabilitiy(0x0F)); // Has all these bits

                "134217728, 67108864, 8, 512, 549755813888, 274877906944", // 512GB total, 256GB free
                "1, 1, 1, 1, 1, 1", // Minimal values
                "0, 0, 1, 1, 0, 0" // Zero allocation units
        })
        void shouldCalculateVariousFileSystemSizes(long alloc, long free, int sectPerAlloc, int bytesPerSect, long expectedCapacity,

                "134217728, 67108864, 8, 512, 549755813888, 274877906944", // 512GB total, 256GB free
                "1, 1, 1, 1, 1, 1", // Minimal values
                "0, 0, 1, 1, 0, 0" // Zero allocation units
        })
        void shouldCalculateVariousFileSystemSizes(long alloc, long free, int sectPerAlloc, int bytesPerSect, long expectedCapacity,