1 files changed, 11 insertions, 0 deletions
diff --git a/tests/io/stringio1.py b/tests/io/stringio1.py
index 6979fe7c9d..dae0187f88 100644
--- a/tests/io/stringio1.py
+++ b/tests/io/stringio1.py
@@ -28,3 +28,14 @@ print(a.getvalue())
 a = io.StringIO()
 a.write("foo")
 print(a.read())
+
+a = io.StringIO()
+a.close()
+for f in [a.read, a.getvalue, lambda:a.write("")]:
+    # CPython throws for operations on closed I/O, micropython makes
+    # the underlying string empty unless MICROPY_CPYTHON_COMPAT defined
+    try:
+        f()
+        print("ValueError")
+    except ValueError:
+        print("ValueError")