| //- |
| // Copyright 2017, 2018 The proptest developers |
| // |
| // 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. |
| |
| //! Arbitrary implementations for `std::hash`. |
| |
| use core::hash::{BuildHasherDefault, Hasher}; |
| #[cfg(feature = "std")] |
| use crate::std_facade::hash_map::{DefaultHasher, RandomState}; |
| |
| // NOTE: don't impl for std::hash::SipHasher.. since deprecated! |
| |
| // over-constrain on purpose! |
| arbitrary!([H: Default + Hasher] BuildHasherDefault<H>; Default::default()); |
| |
| #[cfg(feature = "std")] |
| lazy_just!(DefaultHasher, Default::default; RandomState, Default::default); |
| |
| #[cfg(test)] |
| mod test { |
| #[cfg(feature = "std")] |
| no_panic_test!( |
| default_hasher => DefaultHasher, |
| random_state => RandomState, |
| build_hasher_default => BuildHasherDefault<DefaultHasher> |
| ); |
| } |