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-rw-r--r--third_party/nix/src/tests/lang/eval-okay-context.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/third_party/nix/src/tests/lang/eval-okay-context.nix b/third_party/nix/src/tests/lang/eval-okay-context.nix
new file mode 100644
index 000000000000..7b9531cfe9e1
--- /dev/null
+++ b/third_party/nix/src/tests/lang/eval-okay-context.nix
@@ -0,0 +1,6 @@
+let s = "foo ${builtins.substring 33 100 (baseNameOf "${./eval-okay-context.nix}")} bar";
+in
+  if s != "foo eval-okay-context.nix bar"
+  then abort "context not discarded"
+  else builtins.unsafeDiscardStringContext s
+