1 files changed, 32 insertions, 0 deletions
diff --git a/vendor/proptest/src/arbitrary/_alloc/hash.rs b/vendor/proptest/src/arbitrary/_alloc/hash.rs
new file mode 100644
index 000000000..8979bafca
--- /dev/null
+++ b/vendor/proptest/src/arbitrary/_alloc/hash.rs
@@ -0,0 +1,32 @@
+//-
+// 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`.
+
+#[cfg(feature = "std")]
+use crate::std_facade::hash_map::{DefaultHasher, RandomState};
+use core::hash::{BuildHasherDefault, Hasher};
+
+// 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>
+    );
+}