struct+test

use serde::{Serialize, Deserialize};

#[allow(dead_code)]
#[derive(Serialize, Deserialize, Debug, PartialEq)]
pub struct CreditCard {
  amount: u32,
  number: String,
  date: String,
  cvv: String,
}

#[allow(dead_code)]
impl CreditCard {
  pub fn new(number: String, date: String, cvv: String) -> CreditCard {
    CreditCard {
      amount: 100_000,
      number,
      date,
      cvv,
    }
  }

  pub fn set_amount(&mut self, amount: u32) {
    self.amount = amount;
  }

  pub fn get_amount(&self) -> u32 {
    self.amount
  }
}

#[cfg(test)]
mod test {
  use super::*;
  #[test]
  fn new_credit_card_test() {
    let new_cc =
      CreditCard::new("123546".to_string(), "06/09".to_string(), "669".to_string());
    assert_eq!(
      new_cc,
      CreditCard {
        amount: 100_000,
        number: "123546".to_string(),
        date: "06/09".to_string(),
        cvv: "669".to_string(),
      }
    );
  }

  #[test]
  fn set_credit_card_test() {
    let mut new_cc =
      CreditCard::new("123546".to_string(), "06/09".to_string(), "669".to_string());
    new_cc.set_amount(200_000);
    assert_eq!(new_cc.amount, 200_000);
  }
}