long testTime = System.currentTimeMillis() - 3600000;
        file.setLastModified(testTime);

        long retrievedTime = file.lastModified();
        // Allow for reasonable precision differences
        assertTrue(Math.abs(retrievedTime - testTime) < 10000, "Set timestamp should be approximately correct");
    }

    // ========== Path and URL Operations ==========

    @Test

{\n      $remainder: $remainder - $divisor;\n      $quotient: $quotient + 1;\n    }\n    $result: $result * 10 + $quotient;\n    $factor: $factor * .1;\n    $remainder: $remainder * 10;\n    $precision: $precision - 1;\n    @if ($precision < 0 and $remainder >= $divisor * 5) {\n      $result: $result + 1;\n    }\n  }\n  $result: $result * $factor * $sign;\n  $dividend-unit: unit($dividend);\n  $divisor-unit: unit($divisor);\n  $unit-map: (\n    \"px\": 1px,\n    \"rem\": 1rem,\n    \"em\": 1em,\n...

{\n      $remainder: $remainder - $divisor;\n      $quotient: $quotient + 1;\n    }\n    $result: $result * 10 + $quotient;\n    $factor: $factor * .1;\n    $remainder: $remainder * 10;\n    $precision: $precision - 1;\n    @if ($precision < 0 and $remainder >= $divisor * 5) {\n      $result: $result + 1;\n    }\n  }\n  $result: $result * $factor * $sign;\n  $dividend-unit: unit($dividend);\n  $divisor-unit: unit($divisor);\n  $unit-map: (\n    \"px\": 1px,\n    \"rem\": 1rem,\n    \"em\": 1em,\n...

        assertEquals(domainInfo.name.maximum_length / 2, decodedInfo.name.buffer.length);

        // Verify SID
        assertNotNull(decodedInfo.sid);
        assertEquals(domainInfo.sid.revision, decodedInfo.sid.revision);
        assertEquals(domainInfo.sid.sub_authority_count, decodedInfo.sid.sub_authority_count);
    }

    @Test
    void testLsarDomainInfoEncodeDecodeWithNulls() throws NdrException {

        buffer[offset + 20] = 0x02; // revision
        buffer[offset + 21] = 0x00; // padding
        SMBUtil.writeInt2(0, buffer, offset + 22); // size
        SMBUtil.writeInt4(4097, buffer, offset + 24); // ACE count > 4096
    }

    private void prepareSimpleSid(byte[] buffer, int offset) {
        buffer[offset] = 0x01; // revision
        buffer[offset + 1] = 0x01; // sub-authority count

                return sid.revision == this.revision;
            }
        }
        return false;
    }

    /**
     * Return the numeric representation of this sid such as
     * {@code S-1-5-21-1496946806-2192648263-3843101252-1029}.
     */
    @Override
    public String toString() {
        StringBuilder ret = new StringBuilder("S-").append(this.revision & 0xFF).append("-");

     *
     * @throws SmbException if the SID string is invalid
     */
    @Test
    void testStringConstructor() throws SmbException {
        SID sid = new SID(adminSidString);
        assertEquals(1, sid.revision);
        assertEquals(2, sid.sub_authority_count);
        assertEquals(5, sid.identifier_authority[5]);
        assertEquals(32, sid.sub_authority[0]);
        assertEquals(544, sid.sub_authority[1]);

        // Create a minimal valid security descriptor binary
        // Format: revision(1) + sbz1(1) + control(2) + ownerOffset(4) + groupOffset(4) + saclOffset(4) + daclOffset(4) = 20 bytes minimum
        byte[] securityDescriptorBytes = new byte[20];
        securityDescriptorBytes[0] = 1; // revision
        securityDescriptorBytes[1] = 0; // sbz1
        // control flags (2 bytes)

	 * 
	 * #define SECURITY_NT_AUTHORITY           {0,0,0,0,0,5}
	 * 
	 * typedef struct _SID {
	 *    UCHAR Revision;
	 *    UCHAR SubAuthorityCount;
	 *    SID_IDENTIFIER_AUTHORITY IdentifierAuthority;
	 *    [size_is(SubAuthorityCount)] ULONG SubAuthority[*];
	 * } SID, *PSID;
	 */

	typedef struct {
		uint8_t revision;
		uint8_t sub_authority_count;
		uint8_t identifier_authority[6];

	 * 
	 * #define SECURITY_NT_AUTHORITY           {0,0,0,0,0,5}
	 * 
	 * typedef struct _SID {
	 *    UCHAR Revision;
	 *    UCHAR SubAuthorityCount;
	 *    SID_IDENTIFIER_AUTHORITY IdentifierAuthority;
	 *    [size_is(SubAuthorityCount)] ULONG SubAuthority[*];
	 * } SID, *PSID;
	 */

	typedef struct {
		uint8_t revision;
		uint8_t sub_authority_count;
		uint8_t identifier_authority[6];