assertEquals(1000, defaultPolicy.getInitialDelayMs());
        assertEquals(30000, defaultPolicy.getMaxDelayMs());
        assertEquals(2.0, defaultPolicy.getBackoffMultiplier());
        assertTrue(defaultPolicy.isExponentialBackoff());

        // AGGRESSIVE policy
        SmbOperationException.RetryPolicy aggressivePolicy = SmbOperationException.RetryPolicy.AGGRESSIVE;
        assertEquals(5, aggressivePolicy.getMaxAttempts());

        public long getMaxDelayMs() {
            return maxDelayMs;
        }

        public double getBackoffMultiplier() {
            return backoffMultiplier;
        }

        public boolean isExponentialBackoff() {
            return exponentialBackoff;
        }
    }

    // Instance fields
    private final ErrorCode errorCode;
    private final RetryPolicy retryPolicy;