rust/src/test/run-pass/method-self-arg.rs
2015-06-13 14:55:55 +03:00

60 lines
1.2 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: usize = 1;
#[derive(Copy, Clone)]
struct Foo;
impl Foo {
fn foo(self, x: &Foo) {
unsafe { COUNT *= 2; }
// Test internal call.
Foo::bar(&self);
Foo::bar(x);
Foo::baz(self);
Foo::baz(*x);
Foo::qux(box self);
Foo::qux(box *x);
}
fn bar(&self) {
unsafe { COUNT *= 3; }
}
fn baz(self) {
unsafe { COUNT *= 5; }
}
fn qux(self: Box<Foo>) {
unsafe { COUNT *= 7; }
}
}
fn main() {
let x = Foo;
// Test external call.
Foo::bar(&x);
Foo::baz(x);
Foo::qux(box x);
x.foo(&x);
unsafe { assert_eq!(COUNT, 2*3*3*3*5*5*5*7*7*7); }
}