diff options
Diffstat (limited to 'src/test/ui/run-pass/traits/trait-object-generics.rs')
| -rw-r--r-- | src/test/ui/run-pass/traits/trait-object-generics.rs | 52 | 
1 files changed, 52 insertions, 0 deletions
| diff --git a/src/test/ui/run-pass/traits/trait-object-generics.rs b/src/test/ui/run-pass/traits/trait-object-generics.rs new file mode 100644 index 00000000000..4b14ac2f76f --- /dev/null +++ b/src/test/ui/run-pass/traits/trait-object-generics.rs @@ -0,0 +1,52 @@ +// Copyright 2013 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 for #8664 + +#![feature(box_syntax)] + +use std::marker; + +pub trait Trait2<A> { + fn doit(&self) -> A; +} + +pub struct Impl<A1, A2, A3> { + m1: marker::PhantomData<(A1,A2,A3)>, + /* + * With A2 we get the ICE: + * task <unnamed> failed at 'index out of bounds: the len is 1 but the index is 1', + * src/librustc/middle/subst.rs:58 + */ + t: Box<Trait2<A2>+'static> +} + +impl<A1, A2, A3> Impl<A1, A2, A3> { + pub fn step(&self) { + self.t.doit(); + } +} + +// test for #8601 + +enum Type<T> { Constant(T) } + +trait Trait<K,V> { + fn method(&self, _: Type<(K,V)>) -> isize; +} + +impl<V> Trait<u8,V> for () { + fn method(&self, _x: Type<(u8,V)>) -> isize { 0 } +} + +pub fn main() { + let a = box () as Box<Trait<u8, u8>>; + assert_eq!(a.method(Type::Constant((1, 2))), 0); +} | 
