assertEquals(75.0, percentUsed, 0.001);
        }

        @Test
        @DisplayName("Should differentiate between caller available and actual free units")
        void shouldDifferentiateBetweenCallerAndActualFree() throws SMBProtocolDecodingException {
            // Given - simulating quota scenario
            ByteBuffer buffer = ByteBuffer.allocate(32);
            buffer.order(ByteOrder.LITTLE_ENDIAN);