rust/tests/ui/traits/default-method/xc.rs

82 lines
1.6 KiB
Rust

//@ run-pass
#![allow(dead_code)]
#![allow(non_camel_case_types)]
//@ aux-build:xc.rs
extern crate xc as aux;
use aux::{A, TestEquality, Something};
use aux::B;
fn f<T: aux::A>(i: T) {
assert_eq!(i.g(), 10);
}
fn welp<T>(i: isize, _x: &T) -> isize {
i.g()
}
mod stuff {
pub struct thing { pub x: isize }
}
impl A for stuff::thing {
fn f(&self) -> isize { 10 }
}
fn g<T, U, V: B<T>>(i: V, j: T, k: U) -> (T, U) {
i.thing(j, k)
}
fn eq<T: TestEquality>(lhs: &T, rhs: &T) -> bool {
lhs.test_eq(rhs)
}
fn neq<T: TestEquality>(lhs: &T, rhs: &T) -> bool {
lhs.test_neq(rhs)
}
impl TestEquality for stuff::thing {
fn test_eq(&self, rhs: &stuff::thing) -> bool {
//self.x.test_eq(&rhs.x)
eq(&self.x, &rhs.x)
}
}
pub fn main() {
// Some tests of random things
f(0);
assert_eq!(A::lurr(&0, &1), 21);
let a = stuff::thing { x: 0 };
let b = stuff::thing { x: 1 };
let c = Something { x: 1 };
assert_eq!(0.g(), 10);
assert_eq!(a.g(), 10);
assert_eq!(a.h(), 11);
assert_eq!(c.h(), 11);
assert_eq!(0.thing(3.14f64, 1), (3.14f64, 1));
assert_eq!(B::staticthing(&0, 3.14f64, 1), (3.14f64, 1));
assert_eq!(B::<f64>::staticthing::<isize>(&0, 3.14, 1), (3.14, 1));
assert_eq!(g(0, 3.14f64, 1), (3.14f64, 1));
assert_eq!(g(false, 3.14f64, 1), (3.14, 1));
// Trying out a real one
assert!(12.test_neq(&10));
assert!(!10.test_neq(&10));
assert!(a.test_neq(&b));
assert!(!a.test_neq(&a));
assert!(neq(&12, &10));
assert!(!neq(&10, &10));
assert!(neq(&a, &b));
assert!(!neq(&a, &a));
}