1 files changed, 13 insertions, 0 deletions
diff --git a/third_party/nix/tests/lang/eval-okay-closure.nix b/third_party/nix/tests/lang/eval-okay-closure.nix
new file mode 100644
index 000000000000..cccd4dc35730
--- /dev/null
+++ b/third_party/nix/tests/lang/eval-okay-closure.nix
@@ -0,0 +1,13 @@
+let
+
+  closure = builtins.genericClosure {
+    startSet = [{key = 80;}];
+    operator = {key, foo ? false}:
+      if builtins.lessThan key 0
+      then []
+      else [{key = builtins.sub key 9;} {key = builtins.sub key 13; foo = true;}];
+  };
+
+  sort = (import ./lib.nix).sortBy (a: b: builtins.lessThan a.key b.key);
+
+in sort closure