This is a sample code how to create random e-mail and phone number. I used it in my unit tests of authorization.
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- (NSString *)randomEmail { //Format:xxxxx@rdw.ru NSString *alphabet = @"abcdefghijklmnopqrstuvwxyz0123456789"; NSString *randomString = [self randomStringWithAlphabet:alphabet numberOfChars:5]; NSString *randomEmail = [NSString stringWithFormat:@"%@@rdw.ru", randomString]; NSLog(@"randomEmail: %@", randomEmail); return randomEmail; } - (NSString *)randomPhoneNumber { //Format:89xxxxxxxxx NSString *alphabet = @"0123456789"; NSString *randomString = [self randomStringWithAlphabet:alphabet numberOfChars:9]; NSString *randomPhoneNumber = [NSString stringWithFormat:@"89%@", randomString]; NSLog(@"randomPhoneNumber: %@", randomPhoneNumber); return randomPhoneNumber; } - (NSString *)randomStringWithAlphabet:(NSString *)alphabet numberOfChars:(NSInteger)numberOfChars { NSMutableString *s = [NSMutableString stringWithCapacity:numberOfChars]; for (NSUInteger i = 0U; i < numberOfChars; i++) { u_int32_t r = arc4random() % [alphabet length]; unichar c = [alphabet characterAtIndex:r]; [s appendFormat:@"%C", c]; } return s; } |