// Test with specific value (Unix timestamp in seconds)
        SMBUtil.writeInt4(1500000000, src, 4);
        assertEquals(1500000000000L, SMBUtil.readUTime(src, 4));
    }

    @Test
    void testWriteUTime() {
        byte[] dst = new byte[8];

        // Test with zero
        SMBUtil.writeUTime(0L, dst, 0);
        assertEquals(0, SMBUtil.readInt4(dst, 0));