}

        @ParameterizedTest
        @ValueSource(longs = { 1L, 100L, Long.MAX_VALUE })
        @DisplayName("isResponseAsync should return true for various non-zero asyncIds")
        void testIsResponseAsyncWithDifferentValues(long asyncId) {
            testRequest.setAsyncId(asyncId);
            assertTrue(testRequest.isResponseAsync());
        }
    }

    @Nested

    void testReadAndXWireFormatWithErrorCode() {
        DummyPlainSMB next = new DummyPlainSMB();
        DummyAndXBlock block = new DummyAndXBlock(next);
        block.errorCode = 1; // any non-zero error code should inhibit chaining
        block.headerStart = 0;

        byte[] buf = new byte[64];
        buf[0] = 4; // wordCount
        buf[1] = 0x42; // andxCommand present

        int offset = 10;

        // When
        int bytesWritten = response.writeBytesWireFormat(buffer, offset);

        // Then
        assertEquals(0, bytesWritten);
    }

    @DisplayName("Should write zero bytes at various offsets")
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 10, 50, 100, 255 })
    void testWriteBytesWireFormatAtDifferentOffsets(int offset) {
        // Given
        byte[] buffer = new byte[256];

                                scenario.scenario
                        }
                    }.firstOrNull()
                    // Fallback for new performance tests (don't use 0 to avoid division by zero)
                    ?: PerformanceTestDuration(scenario.scenario, 1)
            })
            .entries
            .map { TestProjectDuration(it.key, it.value) }
            .sortedBy { -it.totalTime }

		hex.EncodeToString(x.Signature[:]),
		time.Unix(0, x.ModTime),
		x.Flags.String(),
		x.EcN, x.EcM,
	)
}

// matchesNotStrict returns whether x and o have both have non-zero version,
// their versions match and their type match.
// If they have zero version, modtime must match.
func (x xlMetaV2VersionHeader) matchesNotStrict(o xlMetaV2VersionHeader) (ok bool) {
	ok = x.VersionID == o.VersionID && x.Type == o.Type && x.matchesEC(o)

        assertEquals((byte) 0xFD, aad[3]);

        // Verify signature is zeroed out (16 bytes of zeros)
        for (int i = 4; i < 20; i++) {
            assertEquals(0, aad[i], "Signature bytes should be zero in AAD");
        }

        // Verify nonce matches at position 20
        for (int i = 0; i < 16; i++) {
            assertEquals(testNonce[i], aad[20 + i], "Nonce should match at position " + (20 + i));
        }

		offset:     uint64(w.cw.count),
	}

	if strings.HasSuffix(fh.Name, "/") {
		// Set the compression method to Store to ensure data length is truly zero,
		// which the writeHeader method always encodes for the size fields.
		// This is necessary as most compression formats have non-zero lengths
		// even when compressing an empty string.
		fh.Method = Store
		fh.Flags &^= 0x8 // we will not write a data descriptor

}

// writeRawHeader writes the value of blk, regardless of its value.
// It sets up the Writer such that it can accept a file of the given size.
// If the flag is a special header-only flag, then the size is treated as zero.
func (tw *Writer) writeRawHeader(blk *block, size int64, flag byte) error {
	if err := tw.Flush(); err != nil {
		return err
	}
	if _, err := tw.w.Write(blk[:]); err != nil {
		return err
	}

            assertNotNull(exception.getMessage());
            assertTrue(exception.getMessage().contains("Expected structureSize = 4"));
        }

        @Test
        @DisplayName("Should handle zero structure size")
        void testZeroStructureSize() {
            // Given
            byte[] buffer = new byte[10];
            SMBUtil.writeInt2(0, buffer, 0);

            // When & Then

        assertDoesNotThrow(() -> outputStream.write(data, 0, -1)); // negative length, returns early
        assertDoesNotThrow(() -> outputStream.write(data, 0, 0)); // zero length, returns early

        // These should pass through to the underlying implementation
        assertDoesNotThrow(() -> outputStream.write(data, 0, 10)); // valid - will consume first mock (10)