#[test]
fn test_amount() {
    // decimal now return error
    assert!(Amount::from_str("15463.123").is_err());
    assert!(Amount::from_str("100.0").is_err());

    // from str now uses nanoMassa
    let amount = Amount::from_str("100").unwrap(); // nanoMassa

    // print no longer display massa unit as decimal
    // print display nanoMassa
    println!("{}", amount); // Should print 100 (nanoMassa)

    // to_raw return nanoMassa as u64 like before
    assert_eq!(amount.to_raw(), 100);
    // to_string return nanoMassa as string
    assert_eq!(amount.to_string(), "100".to_string());

    let serialized_serde = serde_json::to_string(&amount).unwrap();
    assert_eq!(serialized_serde, "100".to_string());

    // serde from_str
    let deserialized_serde: Amount = serde_json::from_str(&serialized_serde).unwrap();
    // amount from_str
    let deserialized_amount: Amount = Amount::from_str(&serialized_serde).unwrap();

    assert_eq!(deserialized_serde.to_string(), "100");
    assert_eq!(deserialized_serde.to_raw(), 100);

    assert_eq!(deserialized_amount.to_string(), "100");
    assert_eq!(deserialized_amount.to_raw(), 100);
    assert_eq!(deserialized_serde, deserialized_amount);
}