rust/tests/ui/methods/method-self-arg-trait.rs

71 lines
1.2 KiB
Rust

//@ run-pass
// Test method calls with self as an argument
// FIXME(static_mut_refs): Do not allow `static_mut_refs` lint
#![allow(static_mut_refs)]
static mut COUNT: u64 = 1;
#[derive(Copy, Clone)]
struct Foo;
trait Bar : Sized {
fn foo1(&self);
fn foo2(self);
fn foo3(self: Box<Self>);
fn bar1(&self) {
unsafe { COUNT *= 7; }
}
fn bar2(self) {
unsafe { COUNT *= 11; }
}
fn bar3(self: Box<Self>) {
unsafe { COUNT *= 13; }
}
}
impl Bar for Foo {
fn foo1(&self) {
unsafe { COUNT *= 2; }
}
fn foo2(self) {
unsafe { COUNT *= 3; }
}
fn foo3(self: Box<Foo>) {
unsafe { COUNT *= 5; }
}
}
impl Foo {
fn baz(self) {
unsafe { COUNT *= 17; }
// Test internal call.
Bar::foo1(&self);
Bar::foo2(self);
Bar::foo3(Box::new(self));
Bar::bar1(&self);
Bar::bar2(self);
Bar::bar3(Box::new(self));
}
}
fn main() {
let x = Foo;
// Test external call.
Bar::foo1(&x);
Bar::foo2(x);
Bar::foo3(Box::new(x));
Bar::bar1(&x);
Bar::bar2(x);
Bar::bar3(Box::new(x));
x.baz();
unsafe { assert_eq!(COUNT, 2*2*3*3*5*5*7*7*11*11*13*13*17); }
}