library/core/tests/lib.rs

   1 #![feature(alloc_layout_extra)]
   2 #![feature(array_chunks)]
   3 #![feature(array_methods)]
   4 #![feature(array_windows)]
   5 #![feature(bigint_helper_methods)]
   6 #![feature(cell_update)]
   7 #![feature(const_align_offset)]
   8 #![feature(const_assume)]
   9 #![feature(const_align_of_val_raw)]
  10 #![feature(const_black_box)]
  11 #![feature(const_bool_to_option)]
  12 #![feature(const_caller_location)]
  13 #![feature(const_cell_into_inner)]
  14 #![feature(const_convert)]
  15 #![feature(const_hash)]
  16 #![feature(const_heap)]
  17 #![feature(const_maybe_uninit_as_mut_ptr)]
  18 #![feature(const_maybe_uninit_assume_init_read)]
  19 #![feature(const_nonnull_new)]
  20 #![feature(const_num_from_num)]
  21 #![feature(const_pointer_byte_offsets)]
  22 #![feature(const_pointer_is_aligned)]
  23 #![feature(const_ptr_as_ref)]
  24 #![feature(const_ptr_read)]
  25 #![feature(const_ptr_write)]
  26 #![feature(const_trait_impl)]
  27 #![feature(const_likely)]
  28 #![feature(const_location_fields)]
  29 #![feature(core_intrinsics)]
  30 #![feature(core_private_bignum)]
  31 #![feature(core_private_diy_float)]
  32 #![feature(dec2flt)]
  33 #![feature(div_duration)]
  34 #![feature(duration_consts_float)]
  35 #![feature(duration_constants)]
  36 #![feature(exact_size_is_empty)]
  37 #![feature(extern_types)]
  38 #![feature(flt2dec)]
  39 #![feature(fmt_internals)]
  40 #![feature(float_minimum_maximum)]
  41 #![feature(future_join)]
  42 #![feature(generic_assert_internals)]
  43 #![feature(array_try_from_fn)]
  44 #![feature(hasher_prefixfree_extras)]
  45 #![feature(hashmap_internals)]
  46 #![feature(try_find)]
  47 #![feature(inline_const)]
  48 #![feature(is_sorted)]
  49 #![feature(layout_for_ptr)]
  50 #![feature(pattern)]
  51 #![feature(sort_internals)]
  52 #![feature(slice_take)]
  53 #![feature(slice_from_ptr_range)]
  54 #![feature(split_as_slice)]
  55 #![feature(maybe_uninit_uninit_array)]
  56 #![feature(maybe_uninit_write_slice)]
  57 #![feature(maybe_uninit_uninit_array_transpose)]
  58 #![feature(min_specialization)]
  59 #![feature(numfmt)]
  60 #![feature(step_trait)]
  61 #![feature(str_internals)]
  62 #![feature(std_internals)]
  63 #![feature(test)]
  64 #![feature(trusted_len)]
  65 #![feature(try_blocks)]
  66 #![feature(try_trait_v2)]
  67 #![feature(slice_internals)]
  68 #![feature(slice_partition_dedup)]
  69 #![feature(ip)]
  70 #![feature(ip_in_core)]
  71 #![feature(iter_advance_by)]
  72 #![feature(iter_array_chunks)]
  73 #![feature(iter_collect_into)]
  74 #![feature(iter_partition_in_place)]
  75 #![feature(iter_intersperse)]
  76 #![feature(iter_is_partitioned)]
  77 #![feature(iter_next_chunk)]
  78 #![feature(iter_order_by)]
  79 #![feature(iter_repeat_n)]
  80 #![feature(iterator_try_collect)]
  81 #![feature(iterator_try_reduce)]
  82 #![feature(const_ip)]
  83 #![feature(const_ipv4)]
  84 #![feature(const_ipv6)]
  85 #![feature(const_mut_refs)]
  86 #![feature(const_pin)]
  87 #![feature(const_waker)]
  88 #![feature(never_type)]
  89 #![feature(unwrap_infallible)]
  90 #![feature(pointer_byte_offsets)]
  91 #![feature(pointer_is_aligned)]
  92 #![feature(portable_simd)]
  93 #![feature(ptr_metadata)]
  94 #![feature(lazy_cell)]
  95 #![feature(unsized_tuple_coercion)]
  96 #![feature(const_option)]
  97 #![feature(const_option_ext)]
  98 #![feature(const_result)]
  99 #![feature(integer_atomics)]
 100 #![feature(int_roundings)]
 101 #![feature(slice_group_by)]
 102 #![feature(split_array)]
 103 #![feature(strict_provenance)]
 104 #![feature(strict_provenance_atomic_ptr)]
 105 #![feature(trusted_random_access)]
 106 #![feature(unsize)]
 107 #![feature(const_array_from_ref)]
 108 #![feature(const_slice_from_ref)]
 109 #![feature(waker_getters)]
 110 #![feature(slice_flatten)]
 111 #![feature(provide_any)]
 112 #![feature(utf8_chunks)]
 113 #![feature(is_ascii_octdigit)]
 114 #![feature(get_many_mut)]
 115 #![deny(unsafe_op_in_unsafe_fn)]
 116 #![deny(fuzzy_provenance_casts)]
 117
 118 extern crate test;
 119
 120 mod alloc;
 121 mod any;
 122 mod array;
 123 mod ascii;
 124 mod asserting;
 125 mod atomic;
 126 mod bool;
 127 mod cell;
 128 mod char;
 129 mod clone;
 130 mod cmp;
 131 mod const_ptr;
 132 mod convert;
 133 mod fmt;
 134 mod future;
 135 mod hash;
 136 mod intrinsics;
 137 mod iter;
 138 mod lazy;
 139 mod macros;
 140 mod manually_drop;
 141 mod mem;
 142 mod net;
 143 mod nonzero;
 144 mod num;
 145 mod ops;
 146 mod option;
 147 mod panic;
 148 mod pattern;
 149 mod pin;
 150 mod pin_macro;
 151 mod ptr;
 152 mod result;
 153 mod simd;
 154 mod slice;
 155 mod str;
 156 mod str_lossy;
 157 mod task;
 158 mod time;
 159 mod tuple;
 160 mod unicode;
 161 mod waker;
 162
 163 /// Copied from `std::test_helpers::test_rng`, see that function for rationale.
 164 #[track_caller]
 165 #[allow(dead_code)] // Not used in all configurations.
 166 pub(crate) fn test_rng() -> rand_xorshift::XorShiftRng {
 167     use core::hash::{BuildHasher, Hash, Hasher};
 168     let mut hasher = std::collections::hash_map::RandomState::new().build_hasher();
 169     core::panic::Location::caller().hash(&mut hasher);
 170     let hc64 = hasher.finish();
 171     let seed_vec = hc64.to_le_bytes().into_iter().chain(0u8..8).collect::<Vec<u8>>();
 172     let seed: [u8; 16] = seed_vec.as_slice().try_into().unwrap();
 173     rand::SeedableRng::from_seed(seed)
 174 }