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pub struct Adder { amount: i64 } impl Adder { pub fn new() -> Adder { Adder { amount: 3 } } pub fn add(&self, x: i64) -> i64 { x + self.amount } } pub fn add3(x: i64) -> i64 { x + 3 } #[test] #[allow(non_snake_case)] fn it_works__0() { assert_eq!(add3( 0), 3); } #[test] fn it_works_14() { assert_eq!(add3(14), 17); } #[test] fn it_works_n1() { assert_eq!(add3(-1), 2); } #[test] fn it_works_64bit() { assert_eq!(add3(::std::u32::MAX as i64), ::std::u32::MAX as i64 + 3); } #[test] fn meth_works_0() { assert_eq!(Adder::new().add( 0), 3); } #[test] fn meth_works_13() { assert_eq!(Adder::new().add(14), 17); } #[test] fn meth_works_n1() { assert_eq!(Adder::new().add(-1), 2); }