#[cfg_attr(coverage_nightly, coverage(off))]
#[cfg(test)]
mod simple_tests {
    use super::*;

    #[test]
    fn test_resource_limits_default() {
        let limits = ResourceLimits::default();
        assert_eq!(limits.max_memory_mb, 1024.0);
        assert_eq!(limits.max_cpu_utilization, 0.8);
        assert_eq!(limits.max_concurrent_ops, 20);
        assert_eq!(limits.memory_warning_threshold, 0.7);
        assert_eq!(limits.cpu_warning_threshold, 0.6);
        assert_eq!(limits.check_interval_secs, 5);
    }

    #[test]
    fn test_resource_limits_clone() {
        let limits = ResourceLimits {
            max_memory_mb: 512.0,
            max_cpu_utilization: 0.5,
            max_concurrent_ops: 10,
            memory_warning_threshold: 0.6,
            cpu_warning_threshold: 0.5,
            check_interval_secs: 3,
        };
        let cloned = limits.clone();
        assert_eq!(cloned.max_memory_mb, 512.0);
        assert_eq!(cloned.max_concurrent_ops, 10);
    }

    #[test]
    fn test_operation_type_variants() {
        let analysis = OperationType::Analysis;
        let commit = OperationType::Commit;
        let background = OperationType::Background;
        let storage = OperationType::Storage;
        let cleanup = OperationType::Cleanup;

        assert!(matches!(analysis, OperationType::Analysis));
        assert!(matches!(commit, OperationType::Commit));
        assert!(matches!(background, OperationType::Background));
        assert!(matches!(storage, OperationType::Storage));
        assert!(matches!(cleanup, OperationType::Cleanup));
    }

    #[test]
    fn test_operation_type_equality() {
        assert_eq!(OperationType::Analysis, OperationType::Analysis);
        assert_ne!(OperationType::Analysis, OperationType::Commit);
    }

    #[test]
    fn test_operation_type_clone() {
        let op = OperationType::Analysis;
        let cloned = op.clone();
        assert_eq!(cloned, OperationType::Analysis);
    }

    #[test]
    fn test_resource_pressure_variants() {
        let low = ResourcePressure::Low;
        let medium = ResourcePressure::Medium;
        let high = ResourcePressure::High;
        let critical = ResourcePressure::Critical;

        assert!(matches!(low, ResourcePressure::Low));
        assert!(matches!(medium, ResourcePressure::Medium));
        assert!(matches!(high, ResourcePressure::High));
        assert!(matches!(critical, ResourcePressure::Critical));
    }

    #[test]
    fn test_resource_pressure_equality() {
        assert_eq!(ResourcePressure::Low, ResourcePressure::Low);
        assert_ne!(ResourcePressure::Low, ResourcePressure::High);
    }

    #[test]
    fn test_operation_priority_variants() {
        let critical = OperationPriority::Critical;
        let high = OperationPriority::High;
        let medium = OperationPriority::Medium;
        let low = OperationPriority::Low;

        assert!(matches!(critical, OperationPriority::Critical));
        assert!(matches!(high, OperationPriority::High));
        assert!(matches!(medium, OperationPriority::Medium));
        assert!(matches!(low, OperationPriority::Low));
    }

    #[test]
    fn test_operation_priority_ordering() {
        assert!(OperationPriority::Critical < OperationPriority::High);
        assert!(OperationPriority::High < OperationPriority::Medium);
        assert!(OperationPriority::Medium < OperationPriority::Low);
    }

    #[test]
    fn test_operation_priority_equality() {
        assert_eq!(OperationPriority::High, OperationPriority::High);
        assert_ne!(OperationPriority::High, OperationPriority::Low);
    }

    #[test]
    fn test_resource_action_allow() {
        let action = ResourceAction::Allow;
        assert!(matches!(action, ResourceAction::Allow));
    }

    #[test]
    fn test_resource_action_throttle() {
        let action = ResourceAction::Throttle { delay_ms: 1000 };
        if let ResourceAction::Throttle { delay_ms } = action {
            assert_eq!(delay_ms, 1000);
        } else {
            panic!("Expected Throttle action");
        }
    }

    #[test]
    fn test_resource_action_queue() {
        let action = ResourceAction::Queue {
            estimated_wait_ms: 5000,
        };
        if let ResourceAction::Queue { estimated_wait_ms } = action {
            assert_eq!(estimated_wait_ms, 5000);
        } else {
            panic!("Expected Queue action");
        }
    }

    #[test]
    fn test_resource_action_reject() {
        let action = ResourceAction::Reject {
            reason: "Too busy".to_string(),
        };
        if let ResourceAction::Reject { reason } = action {
            assert_eq!(reason, "Too busy");
        } else {
            panic!("Expected Reject action");
        }
    }

    #[test]
    fn test_resource_action_emergency_stop() {
        let action = ResourceAction::EmergencyStop;
        assert!(matches!(action, ResourceAction::EmergencyStop));
    }

    #[test]
    fn test_operation_context_creation() {
        let context = OperationContext {
            id: "test-op".to_string(),
            operation_type: OperationType::Analysis,
            started_at: Instant::now(),
            estimated_memory_mb: 100.0,
            priority: OperationPriority::High,
        };

        assert_eq!(context.id, "test-op");
        assert_eq!(context.estimated_memory_mb, 100.0);
        assert_eq!(context.priority, OperationPriority::High);
    }

    #[test]
    fn test_operation_context_clone() {
        let context = OperationContext {
            id: "clone-test".to_string(),
            operation_type: OperationType::Commit,
            started_at: Instant::now(),
            estimated_memory_mb: 50.0,
            priority: OperationPriority::Critical,
        };

        let cloned = context.clone();
        assert_eq!(cloned.id, "clone-test");
        assert_eq!(cloned.priority, OperationPriority::Critical);
    }

    #[test]
    fn test_resource_enforcement_stats_format_diagnostic() {
        let stats = ResourceEnforcementStats {
            total_requests: 100,
            allowed_requests: 85,
            throttled_requests: 5,
            queued_requests: 7,
            rejected_requests: 3,
            current_active_operations: 10,
        };

        let output = stats.format_diagnostic();
        assert!(output.contains("Total requests: 100"));
        assert!(output.contains("85.0%")); // Success rate
        assert!(output.contains("Allowed: 85"));
        assert!(output.contains("Throttled: 5"));
        assert!(output.contains("Queued: 7"));
        assert!(output.contains("Rejected: 3"));
        assert!(output.contains("Active operations: 10"));
    }

    #[test]
    fn test_resource_enforcement_stats_empty() {
        let stats = ResourceEnforcementStats {
            total_requests: 0,
            allowed_requests: 0,
            throttled_requests: 0,
            queued_requests: 0,
            rejected_requests: 0,
            current_active_operations: 0,
        };

        let output = stats.format_diagnostic();
        assert!(output.contains("Total requests: 0"));
        assert!(output.contains("100.0%")); // 100% when no requests
    }

    #[test]
    fn test_resource_enforcement_stats_clone() {
        let stats = ResourceEnforcementStats {
            total_requests: 50,
            allowed_requests: 40,
            throttled_requests: 5,
            queued_requests: 3,
            rejected_requests: 2,
            current_active_operations: 5,
        };

        let cloned = stats.clone();
        assert_eq!(cloned.total_requests, 50);
        assert_eq!(cloned.allowed_requests, 40);
    }

    #[test]
    fn test_enforcement_event_creation() {
        let usage = ResourceUsage {
            timestamp: Instant::now(),
            memory_mb: 500.0,
            cpu_utilization: 0.5,
            active_operations: 5,
            memory_pressure: ResourcePressure::Low,
            cpu_pressure: ResourcePressure::Low,
        };

        let event = EnforcementEvent {
            timestamp: Instant::now(),
            operation_id: "event-test".to_string(),
            action: ResourceAction::Allow,
            resource_usage: usage,
            reason: "Test event".to_string(),
        };

        assert_eq!(event.operation_id, "event-test");
        assert_eq!(event.reason, "Test event");
    }

    #[test]
    fn test_resource_usage_clone() {
        let usage = ResourceUsage {
            timestamp: Instant::now(),
            memory_mb: 750.0,
            cpu_utilization: 0.65,
            active_operations: 8,
            memory_pressure: ResourcePressure::Medium,
            cpu_pressure: ResourcePressure::Low,
        };

        let cloned = usage.clone();
        assert_eq!(cloned.memory_mb, 750.0);
        assert_eq!(cloned.cpu_utilization, 0.65);
        assert_eq!(cloned.active_operations, 8);
    }

    #[test]
    fn test_factory_create_default() {
        let controller = ResourceControllerFactory::create_default();
        // Just verify it creates without panic
        let _ = controller;
    }

    #[test]
    fn test_factory_create_dev_optimized() {
        let controller = ResourceControllerFactory::create_dev_optimized();
        let _ = controller;
    }

    #[test]
    fn test_factory_create_prod_optimized() {
        let controller = ResourceControllerFactory::create_prod_optimized();
        let _ = controller;
    }

    #[test]
    fn test_factory_create_ci_optimized() {
        let controller = ResourceControllerFactory::create_ci_optimized();
        let _ = controller;
    }

    #[test]
    fn test_controller_creation() {
        let limits = ResourceLimits::default();
        let controller = PlatformResourceController::new(limits);
        let _ = controller;
    }
}
