lookupSids = new MsrpcLookupSids(mockPolicyHandle, testSids);

        // Act
        int opnum = lookupSids.getOpnum();

        // Assert
        assertEquals(0x0f, opnum);
    }

    @Test
    void constructor_shouldPreservePolicyHandleReference() throws Exception {
        // Arrange
        jcifs.SID mockSid = mock(jcifs.SID.class);

        byte[] dst = new byte[4];

        SMB1SigningDigest.writeUTime(mockConfig, 0L, dst, 0);

        assertEquals((byte) 0xFF, dst[0]);
        assertEquals((byte) 0xFF, dst[1]);
        assertEquals((byte) 0xFF, dst[2]);
        assertEquals((byte) 0xFF, dst[3]);
    }

    @Test
    @DisplayName("Test writeUTime with max time")
    void testWriteUTimeWithMaxTime() {

        assertEquals(25, SMBUtil.readInt2(buffer, bodyOffset));

        // Flags (VcNumber) and SecurityMode
        assertEquals(0x01, buffer[bodyOffset + 2] & 0xFF); // Session binding flag
        assertEquals(securityMode, buffer[bodyOffset + 3] & 0xFF);

        // Capabilities
        assertEquals(capabilities, SMBUtil.readInt4(buffer, bodyOffset + 4));

        // Channel

        InetAddress inetAddr = InetAddress.getByName("192.168.1.100");
        byte[] addrBytes = inetAddr.getAddress();
        mockQueryAddress.address =
                ((addrBytes[0] & 0xFF) << 24) | ((addrBytes[1] & 0xFF) << 16) | ((addrBytes[2] & 0xFF) << 8) | (addrBytes[3] & 0xFF);

        // Create NodeStatusResponse instance
        response = new NodeStatusResponse(mockConfig, mockQueryAddress);
    }

    @Test

            int length = testBlock.encode(buffer, 0);

            assertTrue(length > 0);
            assertEquals(length, testBlock.getLength());
            // SMB_HEADER is {0xFF, 'S', 'M', 'B'}
            byte[] expectedHeader = { (byte) 0xFF, (byte) 'S', (byte) 'M', (byte) 'B' };
            assertArrayEquals(expectedHeader, java.util.Arrays.copyOfRange(buffer, 0, 4));
            assertEquals(0, buffer[SmbConstants.CMD_OFFSET]);

	{"$masks<>(SB)", "$masks<>(SB)"},
	{"$setg_gcc<>(SB)", "$setg_gcc<>(SB)"},
	{"$shifts<>(SB)", "$shifts<>(SB)"},
	{"$~(1<<63)", "$9223372036854775807"},
	{"$~0x3F", "$-64"},
	{"$~15", "$-16"},
	{"(((8)&0xf)*4)(SP)", "32(SP)"},
	{"(((8-14)&0xf)*4)(SP)", "40(SP)"},
	{"(6+8)(AX)", "14(AX)"},
	{"(8*4)(BP)", "32(BP)"},
	{"(AX)", "(AX)"},
	{"(AX)(CX*8)", "(AX)(CX*8)"},
	{"(BP)(CX*4)", "(BP)(CX*4)"},

import com.google.common.annotations.GwtCompatible;
import java.nio.charset.StandardCharsets;

/**
 * Static methods pertaining to ASCII characters (those in the range of values {@code 0x00} through
 * {@code 0x7F}), and to strings containing such characters.
 *
 * <p>ASCII utilities also exist in other classes of this package:
 *
 * <ul>
 *   <!-- TODO(kevinb): how can we make this not produce a warning when building gwt javadoc? -->

     */
    public static class SamrEnumerateAliasesInDomain extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x0f;
        }

        /** The return value of the operation */
        public int retval;
        /** The handle to the domain */
        public rpc.policy_handle domain_handle;

     */
    public static class SamrEnumerateAliasesInDomain extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x0f;
        }

        /** The return value of the operation */
        public int retval;
        /** The handle to the domain */
        public rpc.policy_handle domain_handle;

    /**
     * RPC message for enumerating all shares on a server.
     */
    public static class ShareEnumAll extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x0f;
        }

        /**
         * The return value of the operation.
         */
        public int retval;
        /**
         * The name of the server.
         */