"Message should be derived from the cause");
        assertEquals(cause, exception.getCause(), "Cause should match the provided throwable");
    }

    @Test
    void testStringAndThrowableConstructor() {
        // Test the constructor with both message and cause
        String message = "Failed to connect due to timeout.";
        Throwable cause = new IllegalStateException("Network unreachable");

    }

    /**
     * Verify that the message + rootCause constructor stores the root.
     */
    @Test
    @DisplayName("Message + root cause stores root cause")
    void testStringAndThrowableConstructor() {
        Throwable root = mock(Throwable.class);
        SmbException ex = new SmbException("oops", root);
        assertSame(root, ex.getRootCause());
    }

    /**