1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/rust/ahash/tests/nopanic.rs b/third_party/rust/ahash/tests/nopanic.rs
new file mode 100644
index 0000000000..f3d9361d20
--- /dev/null
+++ b/third_party/rust/ahash/tests/nopanic.rs
@@ -0,0 +1,54 @@
+use ahash::{AHasher, CallHasher, RandomState};
+use std::hash::BuildHasher;
+
+#[macro_use]
+extern crate no_panic;
+
+#[inline(never)]
+#[no_panic]
+fn hash_test_final(num: i32, string: &str) -> (u64, u64) {
+    use core::hash::Hasher;
+    let mut hasher1 = AHasher::new_with_keys(1, 2);
+    let mut hasher2 = AHasher::new_with_keys(3, 4);
+    hasher1.write_i32(num);
+    hasher2.write(string.as_bytes());
+    (hasher1.finish(), hasher2.finish())
+}
+
+#[inline(never)]
+fn hash_test_final_wrapper(num: i32, string: &str) {
+    hash_test_final(num, string);
+}
+
+#[inline(never)]
+#[no_panic]
+fn hash_test_specialize(num: i32, string: &str) -> (u64, u64) {
+    let hasher1 = AHasher::new_with_keys(1, 2);
+    let hasher2 = AHasher::new_with_keys(1, 2);
+    (num.get_hash(hasher1), string.as_bytes().get_hash(hasher2))
+}
+
+#[inline(never)]
+fn hash_test_random_wrapper(num: i32, string: &str) {
+    hash_test_specialize(num, string);
+}
+
+#[inline(never)]
+#[no_panic]
+fn hash_test_random(num: i32, string: &str) -> (u64, u64) {
+    let hasher1 = RandomState::with_seeds(1, 2).build_hasher();
+    let hasher2 = RandomState::with_seeds(1, 2).build_hasher();
+    (num.get_hash(hasher1), string.as_bytes().get_hash(hasher2))
+}
+
+#[inline(never)]
+fn hash_test_specialize_wrapper(num: i32, string: &str) {
+    hash_test_specialize(num, string);
+}
+
+#[test]
+fn test_no_panic() {
+    hash_test_final_wrapper(2, "Foo");
+    hash_test_specialize_wrapper(2, "Bar");
+    hash_test_random_wrapper(2, "Baz");
+}