// Assert
        assertEquals(0, result);
    }

    @Test
    @DisplayName("writeDataWireFormat with offset should return 0")
    void testWriteDataWireFormatWithOffset() {
        // Arrange
        byte[] dst = new byte[100];
        int dstIndex = 75;

        // Act
        int result = response.writeDataWireFormat(dst, dstIndex);

        // Assert

Shinsuke Sugaya <******@****.***> 1755149504 +0900

            assertEquals(0, result);
        }

        @Test
        @DisplayName("Should return 0 for writeDataWireFormat with offset")
        void testWriteDataWireFormatWithOffset() {
            byte[] dst = new byte[100];
            int result = response.writeDataWireFormat(dst, 75);

            assertEquals(0, result);
        }
    }

    @Nested

Shinsuke Sugaya <******@****.***> 1755149504 +0900

        for (int i = 40; i < 46; i++) {
            assertEquals(0, buffer[i]);
        }
    }

    @Test
    @DisplayName("Test writeDataWireFormat with offset")
    void testWriteDataWireFormatWithOffset() {
        // Setup mock
        when(mockFileInfo.encode(any(byte[].class), anyInt())).thenReturn(30);

        trans2SetFileInfo = new Trans2SetFileInformation(config, TEST_FID, mockFileInfo);

Shinsuke Sugaya <******@****.***> 1755149504 +0900

Shinsuke Sugaya <******@****.***> 1755149504 +0900

Shinsuke Sugaya <******@****.***> 1755149504 +0900

Shinsuke Sugaya <******@****.***> 1755149504 +0900

Shinsuke Sugaya <******@****.***> 1755149504 +0900