From e6fe7b1687cfb59518393a9d615ada04bee51a5e Mon Sep 17 00:00:00 2001
From: Griffin Smith <root@gws.fyi>
Date: Sat, 17 Sep 2022 13:52:48 -0400
Subject: test(tvix/eval): impl Arbitrary for NixString

Change-Id: I3fe2d410c789429493a1278d571ca8fe74c2a69d
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6625
Autosubmit: grfn <grfn@gws.fyi>
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
---
 tvix/eval/src/value/string.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs
index 058c7f87dd..9ac8869935 100644
--- a/tvix/eval/src/value/string.rs
+++ b/tvix/eval/src/value/string.rs
@@ -58,6 +58,23 @@ impl Hash for NixString {
     }
 }
 
+#[cfg(feature = "arbitrary")]
+mod arbitrary {
+    use super::*;
+    use proptest::prelude::{any_with, Arbitrary};
+    use proptest::strategy::{BoxedStrategy, Strategy};
+
+    impl Arbitrary for NixString {
+        type Parameters = <String as Arbitrary>::Parameters;
+
+        type Strategy = BoxedStrategy<Self>;
+
+        fn arbitrary_with(args: Self::Parameters) -> Self::Strategy {
+            any_with::<String>(args).prop_map(Self::from).boxed()
+        }
+    }
+}
+
 impl NixString {
     pub const NAME: Self = NixString(StringRepr::Smol(SmolStr::new_inline("name")));
     pub const NAME_REF: &'static Self = &Self::NAME;
-- 
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