1 files changed, 28 insertions, 0 deletions
diff --git a/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-toString.nix b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-toString.nix
new file mode 100644
index 000000000000..eb8011158fd0
--- /dev/null
+++ b/tvix/eval/src/tests/tvix_tests/eval-okay-builtins-toString.nix
@@ -0,0 +1,28 @@
+let
+  toStringableSet = {
+    __toString = self: self.content;
+    content = "Hello World";
+  };
+
+  toStringExamples = [
+    null
+    [ null false ]
+    [ null /deep/thought ]
+    [ [ null 2 ] null 3 ]
+    [ false "flat" ]
+    1
+    4.2
+    null
+    false
+    true
+    "foo"
+    /etc
+    toStringableSet
+    { __toString = _: toStringableSet; }
+    { __toString = _: true; }
+    { outPath = "out"; }
+    { outPath = { outPath = { __toString = _: 2; }; }; }
+  ];
+in
+
+(builtins.map toString toStringExamples) ++ [ (toString toStringExamples) ]