new EqualsTester()
        .addEqualityGroup(INSTANCE)
        .addEqualityGroup(ArrayTable.create(ImmutableSet.of('A'), ImmutableSet.of(1)))
        .testEquals();
  }

  public void testToString() {
    assertEquals("{}", INSTANCE.toString());
  }

  public void testSize() {
    assertEquals(0, INSTANCE.size());
  }

  public void testGet() {
    assertThat(INSTANCE.get('a', 1)).isNull();
  }

        assertEquals(0, cmd.readParametersWireFormat(null, 0, 0));
        assertEquals(0, cmd.readDataWireFormat(null, 0, 0));
    }

    @Test
    @DisplayName("toString includes information level in hex")
    void testToString() {
        int level = 0xABC;
        Trans2QueryFSInformation cmd = new Trans2QueryFSInformation(level);
        String str = cmd.toString();
        // toString uses Hexdump.toHexString(informationLevel, 3)

    }

    /**
     * Tests the toString method for a meaningful representation.
     */
    @Test
    void testToString() {
        NetShareEnumResponse response = new NetShareEnumResponse();
        response.status = 0;
        response.numEntries = 2;
        byte[] buffer = { 0x00, 0x00, 0x12, 0x34, 0x02, 0x00, 0x05, 0x00 };

        info3.setInterfaceIndex(2);

        assertEquals(info1, info2);
        assertNotEquals(info1, info3);
        assertEquals(info1.hashCode(), info2.hashCode());
    }

    @Test
    void testToString() {
        NetworkInterfaceInfo info = new NetworkInterfaceInfo(testAddress, 1000);
        String str = info.toString();

        assertNotNull(str);
        assertTrue(str.contains(testAddress.toString()));

        assertEquals(0x12345678, contextWithFlags.getFlags());
    }

    @Test
    @DisplayName("Test toString representation")
    public void testToString() {
        String str = context.toString();
        assertNotNull(str);
        assertTrue(str.contains("CompressionNegotiateContext"));
        assertTrue(str.contains("LZ77"));

        byte[] src = new byte[100];
        int srcIndex = 0;

        int result = request.readRDataWireFormat(src, srcIndex);

        assertEquals(0, result);
    }

    @Test
    void testToString() {
        // Test the toString method's output format
        NameQueryRequest request = new NameQueryRequest(mockConfig, mockName);
        String expectedStringPrefix = "NameQueryRequest[";

        byte[] buffer = new byte[100];

        int consumed = pipe.readDataWireFormat(buffer, 0, 10);
        assertEquals(0, consumed, "readDataWireFormat should return 0");
    }

    @Test
    public void testToString() {
        // Test the toString method
        String pipeName = "\\\\pipe\\testPipe";
        TransWaitNamedPipe pipe = new TransWaitNamedPipe(pipeName);

        String result = pipe.toString();

        assertEquals(0, response.readBytesWireFormat(buffer, bufferIndex));
    }

    /**
     * Test of toString method, of class SmbComQueryInformationResponse.
     */
    @Test
    public void testToString() {
        String result = response.toString();
        assertNotNull(result);
        assertTrue(result.startsWith("SmbComQueryInformationResponse["));
        assertTrue(result.contains("fileAttributes=0x0000"));

        int result = smbComOpenAndX.readBytesWireFormat(buffer, 0);
        assertEquals(0, result);
    }

    /**
     * Test toString method.
     */
    @Test
    void testToString() {
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, 0, andx);
        String result = smbComOpenAndX.toString();
        assertNotNull(result);
        assertTrue(result.contains(fileName));
    }

    assertEquals(3, multiset.size());
    assertEquals(2, multiset.count("foo"));
    assertEquals("[foo x 2, bar]", multiset.toString());
  }

  public void testToString() {
    Multiset<String> ms = LinkedHashMultiset.create();
    ms.add("a", 3);
    ms.add("c", 1);
    ms.add("b", 2);

    assertEquals("[a x 3, c, b x 2]", ms.toString());
  }