ServerMessageBlock smb3 = new TestServerMessageBlock();
        smb3.mid = 200;

        assertEquals(smb1, smb2);
        assertNotEquals(smb1, smb3);
        assertEquals(smb1.hashCode(), smb2.hashCode());
        assertNotEquals(smb1.hashCode(), smb3.hashCode());
        assertNotEquals(smb1, new Object());
    }

    @Test
    void testToString() {
        smb.command = ServerMessageBlock.SMB_COM_ECHO;

package jcifs.smb;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotSame;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;

        // Test non-equal trees (different share)
        assertNotEquals(tree1, tree3);

        // Test non-equal trees (different service)
        assertNotEquals(tree1, tree4);

        // Test with different object type
        assertNotEquals(tree1, new Object());

        // Test with null
        assertNotEquals(tree1, null);
    }

    @Test
    void testToString() {

        SID sid2 = new SID(adminSidBytes, 0);
        SID sid3 = new SID("S-1-1-0"); // Everyone

        assertEquals(sid1, sid1);
        assertEquals(sid1, sid2);
        assertNotEquals(sid1, sid3);
        assertNotEquals(sid1, null);
        assertNotEquals(sid1, new Object());
    }

    /**
     * Test the hashCode method.
     *
     * @throws SmbException if the SID string is invalid
     */
    @Test

        @Test
        @DisplayName("Should not be equal to null")
        void testNotEqualToNull() {
            assertNotEquals(data1, null);
        }

        @Test
        @DisplayName("Should not be equal to different type")
        void testNotEqualToDifferentType() {
            assertNotEquals(data1, "string");
        }

        @Test
        @DisplayName("Should not be equal with different server")

        @DisplayName("Should have distinct constant values")
        void testConstantUniqueness() {
            assertNotEquals(FileSystemInformation.SMB_INFO_ALLOCATION, FileSystemInformation.FS_SIZE_INFO);
            assertNotEquals(FileSystemInformation.SMB_INFO_ALLOCATION, FileSystemInformation.FS_FULL_SIZE_INFO);
            assertNotEquals(FileSystemInformation.FS_SIZE_INFO, FileSystemInformation.FS_FULL_SIZE_INFO);
        }
    }

    @Nested

            SID b = new SID("S-1-5-21-1-2-3-5");

            assertEquals(a1, a2);
            assertEquals(a1.hashCode(), a2.hashCode());
            assertNotEquals(a1, b);
            assertNotEquals(a1.hashCode(), b.hashCode());
            assertNotEquals(a1, new Object());
        }

        @Test
        @DisplayName("getRid throws for domain SIDs")
        void testGetRidForDomainThrows() {

package jcifs.netbios;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.when;

import java.io.ByteArrayInputStream;
import java.io.IOException;

package jcifs.internal.smb1.trans2;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import org.junit.jupiter.api.BeforeEach;

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;