Gist for creating test contacts in iOS AddressBook

KSTestContacts.m

#import <AddressBook/AddressBook.h>
...
void (^addContacts)(NSInteger) = ^(NSInteger count){
	ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, NULL);

	dispatch_semaphore_t sema = dispatch_semaphore_create(0);
	ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) {
		dispatch_semaphore_signal(sema);
	});
	dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);

	for (int i = 0; i < count; i++) {
		// create an ABRecordRef
		ABRecordRef record = ABPersonCreate();

		NSString *fname = [NSString stringWithFormat:@"Name %i", i];
		NSString *lname = [NSString stringWithFormat:@"Last %i", i];
		NSString *phone = [NSString stringWithFormat:@"%lld", (12136310000 + i)];

		// add the first name
		ABRecordSetValue(record, kABPersonFirstNameProperty, (__bridge CFStringRef)fname, NULL);
		// add the last name
		ABRecordSetValue(record, kABPersonLastNameProperty, (__bridge CFStringRef)lname, NULL);

		// add phone
		ABMutableMultiValueRef phones = ABMultiValueCreateMutable(kABPersonPhoneProperty);
		ABMultiValueAddValueAndLabel(phones, (__bridge CFStringRef)phone, kABPersonPhoneMobileLabel, NULL);
		BOOL isSuccess = ABRecordSetValue(record, kABPersonPhoneProperty, phones, nil);
		CFRelease(phones);

		// add the record
		ABAddressBookAddRecord(addressBook, record, NULL);
	}
	// save the address book
	ABAddressBookSave(addressBook, NULL);
	// release
	CFRelease(addressBook);
};

void (^removeContacts)(NSInteger) = ^(NSInteger count){
	ABAddressBookRef addressBook = ABAddressBookCreateWithOptions(NULL, NULL);

	dispatch_semaphore_t sema = dispatch_semaphore_create(0);
	ABAddressBookRequestAccessWithCompletion(addressBook, ^(bool granted, CFErrorRef error) {
		dispatch_semaphore_signal(sema);
	});
	dispatch_semaphore_wait(sema, DISPATCH_TIME_FOREVER);

	CFStringRef nameRef = (__bridge CFStringRef)[NSString stringWithFormat:@"Last"];
	CFArrayRef  allRecords = ABAddressBookCopyPeopleWithName(addressBook, nameRef);

	if (allRecords != NULL) {
		int recordsCount = CFArrayGetCount(allRecords);
		NSAssert(count == recordsCount, @"We found more contacts than want to remove. Update nameRef to fix it");
		for (int i = 0; i < recordsCount; ++i) {
			ABRecordRef contact = CFArrayGetValueAtIndex(allRecords, i);
			ABAddressBookRemoveRecord(addressBook, contact, nil);
		}
	}

	// save the address book
	ABAddressBookSave(addressBook, NULL);
	// release
	CFRelease(addressBook);
};

//addContacts(1000);
//removeContacts(1000);