rust/src/test/compile-fail/unsized3.rs
Niko Matsakis 594e21f19b Correct various compile-fail tests. Most of the changes are because we
now don't print duplicate errors within one context, so I sometimes
had to break functions into two functions.
2014-12-02 19:05:14 -05:00

69 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 sized-ness checking in substitution within fn bodies..
// Unbounded.
fn f1<Sized? X>(x: &X) {
f2::<X>(x);
//~^ ERROR the trait `core::kinds::Sized` is not implemented
}
fn f2<X>(x: &X) {
}
// Bounded.
trait T for Sized? {}
fn f3<Sized? X: T>(x: &X) {
f4::<X>(x);
//~^ ERROR the trait `core::kinds::Sized` is not implemented
}
fn f4<X: T>(x: &X) {
}
// Test with unsized enum.
enum E<Sized? X> {
V(X),
}
fn f5<Y>(x: &Y) {}
fn f6<Sized? X>(x: &X) {}
fn f7<Sized? X>(x1: &E<X>, x2: &E<X>) {
f5(x1);
//~^ ERROR the trait `core::kinds::Sized` is not implemented
f6(x2); // ok
}
// Test with unsized struct.
struct S<Sized? X> {
x: X,
}
fn f8<Sized? X>(x1: &S<X>, x2: &S<X>) {
f5(x1);
//~^ ERROR the trait `core::kinds::Sized` is not implemented
f6(x2); // ok
}
// Test some tuples.
fn f9<Sized? X>(x1: Box<S<X>>, x2: Box<E<X>>) {
f5(&(*x1, 34i));
//~^ ERROR the trait `core::kinds::Sized` is not implemented
}
fn f10<Sized? X>(x1: Box<S<X>>, x2: Box<E<X>>) {
f5(&(32i, *x2));
//~^ ERROR the trait `core::kinds::Sized` is not implemented
}
pub fn main() {
}