summaryrefslogtreecommitdiffstats
path: root/library/alloc/tests/lib.rs
blob: 490c0d8f76cdaf64860e6972bd93b28b010596ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
#![feature(allocator_api)]
#![feature(alloc_layout_extra)]
#![feature(assert_matches)]
#![feature(box_syntax)]
#![feature(cow_is_borrowed)]
#![feature(const_box)]
#![feature(const_convert)]
#![feature(const_cow_is_borrowed)]
#![feature(const_heap)]
#![feature(const_mut_refs)]
#![feature(const_nonnull_slice_from_raw_parts)]
#![feature(const_ptr_write)]
#![feature(const_try)]
#![feature(core_intrinsics)]
#![feature(drain_filter)]
#![feature(exact_size_is_empty)]
#![feature(new_uninit)]
#![feature(pattern)]
#![feature(trusted_len)]
#![feature(try_reserve_kind)]
#![feature(unboxed_closures)]
#![feature(associated_type_bounds)]
#![feature(binary_heap_into_iter_sorted)]
#![feature(binary_heap_drain_sorted)]
#![feature(slice_ptr_get)]
#![feature(binary_heap_retain)]
#![feature(binary_heap_as_slice)]
#![feature(inplace_iteration)]
#![feature(iter_advance_by)]
#![feature(iter_next_chunk)]
#![feature(round_char_boundary)]
#![feature(slice_group_by)]
#![feature(slice_partition_dedup)]
#![feature(string_remove_matches)]
#![feature(const_btree_new)]
#![feature(const_default_impls)]
#![feature(const_trait_impl)]
#![feature(const_str_from_utf8)]
#![feature(nonnull_slice_from_raw_parts)]
#![feature(panic_update_hook)]
#![feature(pointer_is_aligned)]
#![feature(slice_flatten)]
#![feature(thin_box)]
#![feature(bench_black_box)]
#![feature(strict_provenance)]
#![feature(once_cell)]
#![feature(drain_keep_rest)]

use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};

mod arc;
mod borrow;
mod boxed;
mod btree_set_hash;
mod c_str;
mod const_fns;
mod cow_str;
mod fmt;
mod heap;
mod linked_list;
mod rc;
mod slice;
mod str;
mod string;
mod thin_box;
mod vec;
mod vec_deque;

fn hash<T: Hash>(t: &T) -> u64 {
    let mut s = DefaultHasher::new();
    t.hash(&mut s);
    s.finish()
}

// FIXME: Instantiated functions with i128 in the signature is not supported in Emscripten.
// See https://github.com/kripken/emscripten-fastcomp/issues/169
#[cfg(not(target_os = "emscripten"))]
#[test]
fn test_boxed_hasher() {
    let ordinary_hash = hash(&5u32);

    let mut hasher_1 = Box::new(DefaultHasher::new());
    5u32.hash(&mut hasher_1);
    assert_eq!(ordinary_hash, hasher_1.finish());

    let mut hasher_2 = Box::new(DefaultHasher::new()) as Box<dyn Hasher>;
    5u32.hash(&mut hasher_2);
    assert_eq!(ordinary_hash, hasher_2.finish());
}