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"));
        }
    }

    class InterfaceImplementationTests {

        @Test
        @DisplayName("Should implement AllocInfo interface")
        void shouldImplementAllocInfo() {
            assertTrue(AllocInfo.class.isAssignableFrom(FileFsFullSizeInformation.class));
        }

        @Test
        @DisplayName("Should implement FileSystemInformation interface")
        void shouldImplementFileSystemInformation() {

            // 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")

    assertSame(
        "toArray(sameSizeE[]) should return the given array", array, collection.toArray(array));
    expectArrayContentsAnyOrder(createSamplesArray(), array);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testToArray_rightSizedArray_ordered() {
    E[] array = getSubjectGenerator().createArray(getNumElements());
    assertSame(

        NdrShort ns = new NdrShort(original);
        buf.reset();
        ns.encode(buf); // should not throw

        // After encoding, check how many bytes were used
        int bytesUsed = buf.getIndex();
        // Should be 2 bytes for the short value (alignment may add padding)
        assertTrue(bytesUsed >= 2, "Should use at least 2 bytes for short");

        // Reset index to read back
        buf.reset();

        // Arrange & Act
        TransWaitNamedPipeResponse resp = new TransWaitNamedPipeResponse();
        // Assert
        assertNotNull(resp, "Instance should not be null");
    }

    /**
     * All wire‑format methods should return zero regardless of inputs.
     */
    @Nested
    @DisplayName("Wire format method behaviour")
    class WireFormatMethods {
        @ParameterizedTest

        assertNotNull(dfsRootEnum, "The MsrpcDfsRootEnum object should not be null.");
        // The server name is stored in a protected field without a public getter, so we cannot directly test it.
        // We can test the public fields that are set.
        assertEquals(200, dfsRootEnum.level, "The level should be initialized to 200.");
        assertNotNull(dfsRootEnum.info, "The info struct should not be null.");

  public void testGetOrDefault_present() {
    assertEquals(
        "getOrDefault(present, def) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), v3()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testGetOrDefault_presentNullDefault() {
    assertEquals(
        "getOrDefault(present, null) should return the associated value",
        v0(),
        getMap().getOrDefault(k0(), null));
  }

        // Test the no-argument constructor
        ConnectionTimeoutException exception = new ConnectionTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");
        assertNull(exception.getCause(), "Cause should be null for no-arg constructor");
    }

    @Test
    void testStringConstructor() {
        // Test the constructor with a message

        // Should match with same values
        assertTrue(fileInfo.matches(1024L, 1000L, 0x20));

        // Should not match with different size
        assertFalse(fileInfo.matches(2048L, 1000L, 0x20));

        // Should not match with different last modified
        assertFalse(fileInfo.matches(1024L, 2000L, 0x20));

        // Should not match with different attributes