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-rw-r--r--tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.exp1
-rw-r--r--tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.nix20
2 files changed, 21 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.exp b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.exp
new file mode 100644
index 000000000000..eb05f4caf03b
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.exp
@@ -0,0 +1 @@
+[ true true true true true true true true false false true ]
diff --git a/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.nix b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.nix
new file mode 100644
index 000000000000..678d6139ee03
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/notyetpassing/eval-okay-builtins-set-pointer-equality.nix
@@ -0,0 +1,20 @@
+let
+  alias = builtins;
+in
+
+[
+  (builtins == builtins)
+  (alias == builtins)
+  (builtins == builtins.builtins)
+  (builtins.builtins == builtins.builtins)
+  (builtins.builtins == builtins.builtins.builtins)
+  (alias == alias)
+  (alias == builtins.builtins)
+  ([ builtins ] == [ builtins ])
+
+  # Surprisingly this only works with the set
+  ([ builtins.add ] == [ builtins.add ])
+  ({ inherit (builtins) import; } == { inherit (builtins) import; })
+  # But this does
+  (let x = { inherit (builtins) add; }; in x == x)
+]