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-rw-r--r--library/std/tests/env.rs14
1 files changed, 2 insertions, 12 deletions
diff --git a/library/std/tests/env.rs b/library/std/tests/env.rs
index aae2c49d8..96b4f372b 100644
--- a/library/std/tests/env.rs
+++ b/library/std/tests/env.rs
@@ -3,18 +3,8 @@ use std::ffi::{OsStr, OsString};
use rand::distributions::{Alphanumeric, DistString};
-/// Copied from `std::test_helpers::test_rng`, since these tests rely on the
-/// seed not being the same for every RNG invocation too.
-#[track_caller]
-pub(crate) fn test_rng() -> rand_xorshift::XorShiftRng {
- use core::hash::{BuildHasher, Hash, Hasher};
- let mut hasher = std::collections::hash_map::RandomState::new().build_hasher();
- core::panic::Location::caller().hash(&mut hasher);
- let hc64 = hasher.finish();
- let seed_vec = hc64.to_le_bytes().into_iter().chain(0u8..8).collect::<Vec<u8>>();
- let seed: [u8; 16] = seed_vec.as_slice().try_into().unwrap();
- rand::SeedableRng::from_seed(seed)
-}
+mod common;
+use common::test_rng;
#[track_caller]
fn make_rand_name() -> OsString {