rust/src/test/run-pass/method-self-arg-trait.rs
2015-01-25 11:20:38 -05:00

80 lines
1.6 KiB
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 method calls with self as an argument
#![allow(unknown_features)]
#![feature(box_syntax)]
static mut COUNT: u64 = 1;
#[derive(Copy)]
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 self);
Bar::bar1(&self);
Bar::bar2(self);
Bar::bar3(box self);
}
}
fn main() {
let x = Foo;
// Test external call.
Bar::foo1(&x);
Bar::foo2(x);
Bar::foo3(box x);
Bar::bar1(&x);
Bar::bar2(x);
Bar::bar3(box x);
x.baz();
unsafe { assert!(COUNT == 2u64*2*3*3*5*5*7*7*11*11*13*13*17); }
}