1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(collections, rand)]
13 use std::borrow::{Cow, IntoCow};
14 use std::collections::BitVec;
15 use std::default::Default;
16 use std::iter::FromIterator;
18 use std::option::IntoIter as OptionIter;
20 use std::rand::XorShiftRng as DummyRng;
21 // FIXME the glob std::prelude::*; import of Vec is missing non-static inherent methods.
24 #[derive(PartialEq, Eq)]
27 fn id<T>(x: T) -> T { x }
28 fn eq<T: Eq>(a: T, b: T) -> bool { a == b }
29 fn u8_as_i8(x: u8) -> i8 { x as i8 }
30 fn odd(x: usize) -> bool { x % 2 == 1 }
31 fn dummy_rng() -> DummyRng { DummyRng::new_unseeded() }
34 fn size() -> usize { std::mem::size_of::<Self>() }
39 ($($expr:expr, $ty:ty, ($($test:expr),*);)+) => (pub fn main() {$({
41 static S: $ty = $expr;
42 assert!(eq(C($($test),*), $expr($($test),*)));
43 assert!(eq(S($($test),*), $expr($($test),*)));
44 assert!(eq(C($($test),*), S($($test),*)));
50 id, fn(i32) -> i32, (5);
51 id::<i32>, fn(i32) -> i32, (5);
53 // Enum variant constructor.
54 Some, fn(i32) -> Option<i32>, (5);
55 Some::<i32>, fn(i32) -> Option<i32>, (5);
57 // Tuple struct constructor.
58 Newt, fn(i32) -> Newt<i32>, (5);
59 Newt::<i32>, fn(i32) -> Newt<i32>, (5);
61 // Inherent static methods.
62 Vec::new, fn() -> Vec<()>, ();
63 Vec::<()>::new, fn() -> Vec<()>, ();
64 <Vec<()>>::new, fn() -> Vec<()>, ();
65 Vec::with_capacity, fn(usize) -> Vec<()>, (5);
66 Vec::<()>::with_capacity, fn(usize) -> Vec<()>, (5);
67 <Vec<()>>::with_capacity, fn(usize) -> Vec<()>, (5);
68 BitVec::from_fn, fn(usize, fn(usize) -> bool) -> BitVec, (5, odd);
69 BitVec::from_fn::<fn(usize) -> bool>, fn(usize, fn(usize) -> bool) -> BitVec, (5, odd);
71 // Inherent non-static method.
72 Vec::map_in_place, fn(Vec<u8>, fn(u8) -> i8) -> Vec<i8>, (vec![b'f', b'o', b'o'], u8_as_i8);
73 Vec::map_in_place::<i8, fn(u8) -> i8>, fn(Vec<u8>, fn(u8) -> i8) -> Vec<i8>,
74 (vec![b'f', b'o', b'o'], u8_as_i8);
75 // FIXME these break with "type parameter might not appear here pointing at `<u8>`.
76 // Vec::<u8>::map_in_place: fn(Vec<u8>, fn(u8) -> i8) -> Vec<i8>
77 // , (vec![b'f', b'o', b'o'], u8_as_i8);
78 // Vec::<u8>::map_in_place::<i8, fn(u8) -> i8>: fn(Vec<u8>, fn(u8) -> i8) -> Vec<i8>
79 // , (vec![b'f', b'o', b'o'], u8_as_i8);
81 // Trait static methods.
82 bool::size, fn() -> usize, ();
83 <bool>::size, fn() -> usize, ();
84 <bool as Size>::size, fn() -> usize, ();
86 Default::default, fn() -> i32, ();
87 i32::default, fn() -> i32, ();
88 <i32>::default, fn() -> i32, ();
89 <i32 as Default>::default, fn() -> i32, ();
91 Rand::rand, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
92 i32::rand, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
93 <i32>::rand, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
94 <i32 as Rand>::rand, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
95 Rand::rand::<DummyRng>, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
96 i32::rand::<DummyRng>, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
97 <i32>::rand::<DummyRng>, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
98 <i32 as Rand>::rand::<DummyRng>, fn(&mut DummyRng) -> i32, (&mut dummy_rng());
100 // Trait non-static methods.
101 Clone::clone, fn(&i32) -> i32, (&5);
102 i32::clone, fn(&i32) -> i32, (&5);
103 <i32>::clone, fn(&i32) -> i32, (&5);
104 <i32 as Clone>::clone, fn(&i32) -> i32, (&5);
106 FromIterator::from_iter, fn(OptionIter<i32>) -> Vec<i32>, (Some(5).into_iter());
107 Vec::from_iter, fn(OptionIter<i32>) -> Vec<i32>, (Some(5).into_iter());
108 <Vec<_>>::from_iter, fn(OptionIter<i32>) -> Vec<i32>, (Some(5).into_iter());
109 <Vec<_> as FromIterator<_>>::from_iter, fn(OptionIter<i32>) -> Vec<i32>,
110 (Some(5).into_iter());
111 <Vec<i32> as FromIterator<_>>::from_iter, fn(OptionIter<i32>) -> Vec<i32>,
112 (Some(5).into_iter());
113 FromIterator::from_iter::<OptionIter<i32>>, fn(OptionIter<i32>) -> Vec<i32>,
114 (Some(5).into_iter());
115 <Vec<i32> as FromIterator<_>>::from_iter::<OptionIter<i32>>, fn(OptionIter<i32>) -> Vec<i32>,
116 (Some(5).into_iter());
118 Add::add, fn(i32, i32) -> i32, (5, 6);
119 i32::add, fn(i32, i32) -> i32, (5, 6);
120 <i32>::add, fn(i32, i32) -> i32, (5, 6);
121 <i32 as Add<_>>::add, fn(i32, i32) -> i32, (5, 6);
122 <i32 as Add<i32>>::add, fn(i32, i32) -> i32, (5, 6);
124 String::into_cow, fn(String) -> Cow<'static, str>,
126 <String>::into_cow, fn(String) -> Cow<'static, str>,
128 <String as IntoCow<_>>::into_cow, fn(String) -> Cow<'static, str>,
130 <String as IntoCow<'static, _>>::into_cow, fn(String) -> Cow<'static, str>,