Testing -[RACScheduler scheduleRecursiveBlock:]'s memory consumption.

main.mm

#import <Foundation/Foundation.h>
#import <ReactiveCocoa/ReactiveCocoa.h>

@interface CountUpToXEnumerator : NSEnumerator

+ (instancetype)countUpTo:(NSUInteger)x;

@end

@implementation CountUpToXEnumerator {
	NSUInteger _x;
	NSUInteger _current;
}

+ (instancetype)countUpTo:(NSUInteger)x {
	CountUpToXEnumerator *enumerator = [[self alloc] init];
	enumerator->_x = x;
	return enumerator;
}

- (id)nextObject {
	if (_current == _x) return nil;
	return @(_current++);
}

@end

int main(int argc, const char * argv[]) {
	
	@autoreleasepool {
		
		NSEnumerator *enumerator = [CountUpToXEnumerator countUpTo:1000000];
		__block NSUInteger sum = 0;
		[[RACScheduler scheduler] scheduleRecursiveBlock:^(void (^reschedule)(void)) {
			@autoreleasepool {
				NSNumber *nextNumber __attribute__((objc_precise_lifetime)) = [enumerator nextObject];
				sum += nextNumber.unsignedIntegerValue;
			}
			reschedule();
		}];
		
	}
	
	sleep(UINT32_MAX);
	return 0;
}