assertNotNull("Exception message should not be null", message);
            assertFalse("Exception message should not be empty", message.trim().isEmpty());
            assertTrue("Exception message should mention 'inputstream'", message.toLowerCase().contains("inputstream"));
            assertTrue("Exception message should mention 'null'", message.toLowerCase().contains("null"));
        }
    }

    }

    @Test
    @DisplayName("Should return the credentials provided in the constructor")
    void testGetCredentials() {
        assertEquals(mockCredentials, wrapper.getCredentials(), "getCredentials should return the initially set credentials");
    }

    @Test

            // Should throw exception for unsupported version
            assertThrows(Exception.class, () -> {
                buffer.decode(testBuffer, 0, testBuffer.length);
            });
        }
    }

    @Nested
    @DisplayName("ToString Tests")
    class ToStringTests {

        @Test
        @DisplayName("Should return string representation with no referrals")

        @Test
        @DisplayName("Should implement FileSystemInformation interface")
        void shouldImplementFileSystemInformation() {
            // Verify that AllocInfo extends FileSystemInformation
            assertTrue(FileSystemInformation.class.isAssignableFrom(AllocInfo.class));
        }

        @Test
        @DisplayName("Should implement Decodable interface through FileSystemInformation")

    @Test
    public void testGetAttributes() {
        // Initially, attributes should be 0.
        assertEquals(0, response.getAttributes());
    }

    /**
     * Test of getCreateTime method, of class SmbComQueryInformationResponse.
     */
    @Test
    public void testGetCreateTime() {
        // Initially, lastWriteTime is 0, so createTime should be just the offset.
        assertEquals(serverTimeZoneOffset, response.getCreateTime());

        @DisplayName("should validate supported model versions")
        void shouldValidateSupportedModelVersions(String version) {
            assertTrue(ModelVersionUtils.isValidModelVersion(version));
        }

        @ParameterizedTest
        @ValueSource(strings = {"3.0.0", "5.0.0", "2.0.0", "6.0.0"})
        @DisplayName("should reject unsupported model versions")

   * implementations.
   */
  @SuppressWarnings({
    "GoodTime", // should accept a java.time.Duration
    "CatchingUnchecked", // sneaky checked exception
    "Interruption", // We copy AbstractExecutorService.invokeAny. Maybe we shouldn't: b/227335009.
  })
  @J2ktIncompatible
  @GwtIncompatible
  @ParametricNullness

        assertEquals(1, stats.getRdmaReads(), "Should have 1 read operation");
        assertEquals(1, stats.getRdmaWrites(), "Should have 1 write operation");
        assertEquals(1, stats.getRdmaSends(), "Should have 1 send operation");
        assertEquals(1, stats.getRdmaReceives(), "Should have 1 receive operation");
        assertEquals(5120, stats.getBytesTransferred(), "Should have transferred 5KB total");

        @Test
        @DisplayName("Should construct with config only")
        void testConstructorWithConfig() {
            TestServerMessageBlock2Response resp = new TestServerMessageBlock2Response(mockConfig);
            assertNotNull(resp);
            assertSame(mockConfig, resp.getConfig());
        }

        @Test
        @DisplayName("Should construct with config and command")

        assertNotNull(provider, "Auto provider selection should return a provider");
        assertTrue(provider.isAvailable(), "Returned provider should be available");
    }

    @Test
    public void testCreateProviderTcp() {
        RdmaProvider provider = RdmaProviderFactory.createProvider("tcp");
        assertNotNull(provider, "TCP provider should always be available");