extern crate nmbr_signed;

use nmbr_signed::{Sign,Signed};

#[test]
fn test_signed_integer_values() {

  let t1: isize = -15;
  let t2: i8 = 100;
  let t3: i16 = -350;
  let t4: i32 = -1000;
  let t5: i64 = -2551;
  let tz: i64 = 0;

  assert_eq!(t1.sign(), Sign::Negative);
  assert_eq!(t1.is_positive(), false );
  assert_eq!(t1.is_negative(), true );
  assert_eq!(t1.abs(), 15isize);

  assert_eq!(t2.sign(), Sign::Positive);
  assert_eq!(t2.is_positive(), true );
  assert_eq!(t2.is_negative(), false );
  assert_eq!(t2.abs(), 100i8);

  assert_eq!(t3.sign(), Sign::Negative);
  assert_eq!(t3.is_positive(), false );
  assert_eq!(t3.is_negative(), true );
  assert_eq!(t3.abs(), 350i16);

  assert_eq!(t4.sign(), Sign::Negative);
  assert_eq!(t4.is_positive(), false );
  assert_eq!(t4.is_negative(), true );
  assert_eq!(t4.abs(), 1000i32);

  assert_eq!(t5.sign(), Sign::Negative);
  assert_eq!(t5.is_positive(), false );
  assert_eq!(t5.is_negative(), true );
  assert_eq!(t5.abs(), 2551i64 );

  assert_eq!(tz.sign(), Sign::Zero );
  assert_eq!(tz.is_positive(), false );
  assert_eq!(tz.is_negative(), false );
  assert_eq!(tz.abs(), 0);
}