1 files changed, 25 insertions, 0 deletions
diff --git a/tests/basics/builtin_setattr.py b/tests/basics/builtin_setattr.py
new file mode 100644
index 000000000..e4acb14ca
--- /dev/null
+++ b/tests/basics/builtin_setattr.py
@@ -0,0 +1,25 @@
+class A:
+
+    var = 132
+
+    def __init__(self):
+        self.var2 = 34
+
+
+a = A()
+setattr(a, "var", 123)
+setattr(a, "var2", 56)
+print(a.var)
+print(a.var2)
+
+try:
+    setattr(a, b'var3', 1)
+except TypeError:
+    print('TypeError')
+
+# try setattr on a built-in function
+try:
+    setattr(int, 'to_bytes', 1)
+except (AttributeError, TypeError):
+    # uPy raises AttributeError, CPython raises TypeError
+    print('AttributeError/TypeError')