rust/src/test/run-pass/trait-impl.rs
Alex Crichton ec7c800d2f Remove pretty-expanded from failing tests
This commit removes pretty-expanded from all tests that wind up calling panic!
one way or another now that its internals are unstable.
2015-04-08 17:21:34 -07:00

51 lines
1023 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Test calling methods on an impl for a bare trait.
// aux-build:traitimpl.rs
extern crate traitimpl;
use traitimpl::Bar;
static mut COUNT: usize = 1;
trait T {
fn t(&self) {}
}
impl<'a> T+'a {
fn foo(&self) {
unsafe { COUNT *= 2; }
}
fn bar() {
unsafe { COUNT *= 3; }
}
}
impl T for isize {}
struct Foo;
impl<'a> Bar<'a> for Foo {}
fn main() {
let x: &T = &42;
x.foo();
T::foo(x);
T::bar();
unsafe { assert!(COUNT == 12); }
// Cross-crait case
let x: &Bar = &Foo;
x.bar();
}